Specifications
Capacity	200g / 6.43ozt / 128.7dwt / 7.060oz
Accuracy/Readability	+/- 0.1g/ 0.005oz / 0.0005ozt / 0.1dwt
Calibration	One-step Digital Auto Calibration
Accessories	100g calibration weight, carrying pouch, tweezers, scoop, expansion tray, hydro hinge, lithium batteries, and 2 stylus pens ALL included!
Operation temp.	64f - 85f
Warranty	Lifetime/30 year worldwide warranty

Touchscale Owner's Manual

Congratulations on purchasing the most innovative scale ever created. Please take the time to read this manual to learn about the many features of the Touchscale before use. If you do not understand this manual or have unanswered questions about your scale please contact us. This site also provides an advanced programming manual for experienced users who want to customize their touchscale.

Low Batteries & bad battery connections are the #1 cause of scale malfunction and inaccuracy! We test all of our scale returns from consumers. Fully 60% of consumer returns are battery related problems. This sounds silly but it's true! A scale will perform slowly, or read inaccurately when it has low batteries. Please replace the batteries often (and only use good quality batteries). We include good quality batteries with all of our scales but batteries can run low in storage. If your scale simply won't turn on while on Battery power, this is often caused by loose battery connections. Battery prongs (terminals) are made of metal. They must be making good contact with your batteries in order for the scale to power on. You can use a paperclip to slightly bend the battery prongs to make them have a better connection. Also some poorly designed batteries have recessed or partially obstructed battery terminals. This may cause your prongs to be touching the plastic housing of the battery instead of the metal battery terminal.

NOTES BEFORE USE

• Always empty the tray/platform before turning the power on (clear the platform before turning on)
• Do not get the scale wet or hot and do not operate on any wet or hot surface To clean the scale, wipe the surface with a clean damp cloth or mild non-abrasive cleaner. Do not use an abrasive cleaner because it may damage the finish.
• Do not overload the scale. That is, do not place anything that weighs more then 200 Grams on the platform. You may permanently damage the load cell.
• Handle the scale with care. This is a precision instrument and should never be dropped or otherwise mishandled. Dropping or shocking the scale will damage the internal sensors and void your warranty. We take extreme pride in the Touchscale and we ask you to treat the scale with the utmost care.
• Do not leave anything on the scale when not in use.
• If the scale is excessively cold or hot, leave the scale off and allow it to acclimate to normal room temperature for at least 1 hour prior to use.
• Do not operate a cell phone or cordless phone within 10 feet of the scale. It may temporarily cause the scale to malfunction.
• Do not touch the LCD screen with any sharp object; it will damage the touch panel.Ê Use only the stylus provided with the scale.
• When changing batteries be sure the scale's cover is closed to protect from possible overload.

NORMAL WEIGHING

1. Do not put anything on the scale tray before you turn it on.
2. Turn the scale on by pressingÊ the ON key. After 2 seconds, the display will read "0.0 g".
3. Always allow the scale to warm up for at least 30 seconds before weighing for accuracy and stability.
4. Place the item to be weighed on the center of the silver platform and read the value on the display.
5. TARE Function: If you need to weigh loose items or anything in a container or tray you should use the TARE function. There are two ways to use the tare:
   
   1. Turn the scale On.
   2. Place the empty container or tray on the platform.
   3. Press the TARE button-the display will change to "0.0"
   4. Place the items to be weighed into the container / tray.
   5. The exact weight of the items will show. (use your tweezers to handle all gems).
6. Another simple way to use the tare for lighter items (e.g. the included expansion tray) is to simply turn the scale OFF, place the item to be tarred onto the tray, then turn the scale ON. The scale will automatically tare the tray and 0.0 will show on the display.Ê The scale is then ready for you to place items onto the tray to be weighed.
7. The scale has an Auto-Off feature that turns off the scale after lapses of non-activity. If the scale is in a room with wind or air movement, it may sense the pressure of the air and not auto-off. In this case simply press the OFF button to turn the scale off manually.
8. MODE Function:Ê This scale has the ability to weigh in grams, ounces, pennyweights or troy ounces. Simply press the MODE key once the scale is on. Look for the g, oz, dwt or ozt on the left of the display to know what mode you are in.

BATTERY INSTRUCTIONS
Note: THE SCALE'S COVER MUST BE CLOSED BEFORE REPLACING BATTERIES. If the battery voltage is too low during power on, it will display "Lo" for about 3 seconds and then turn off automatically. If the battery voltage becomes too low during operation, the low-batt icon will show on the screen. Replace the batteries as soon as possible. Use 2 CR2032 3volt batteries. Please make sure the polarity is correct when installing new batteries. Slide the battery cover to access batteries.

USE AS A SIMPLE DIGITAL CALCULATOR
Use the Stylus Pen included with the scale and stored in the holder on the front of the scale. The scale can perform four arithmetic calculations: +, -, X, /.
e.g. To calculate "(3+8)X5=55",
enter [3] [+] [8] [X] [5] [=]
then "55" will be displayed on the upper row.

MEMORY FUNCTION

To store items in memory:

1. First, enter the number (value) that you want to store in memory on the top row of the display.ÊYou can do this by using the number keypad.
2. Touch the [M] key in the top right corner of the display.
3. The [M] key will blink and all four Memory buttons will show on the display (M1,Ê M2,Ê M3,Ê M4).
4. Choose one of the 4 memory buttons, e.g. [M1] by touching it.
5. The current figure on the upper row is then stored in M1
6. The [M] key will then stop blinking

To clear the memory:

1. Touch the [MC] key. At this time, the [MC] key will blink.
2. Choose one of the registered memory buttons, e.g. [M1] by touching it.
3. The stored figure in M1 is then cleared.
4. The [MC] key will then stop blinking.
5. Repeat this process for all memory numbers that you want to delete.

To recall items in memory:
The 4 items can be recalled for calculation at any time. To recall the memory, simply touch one of the memory buttons, its content will be displayed on the upper row. This comes in very handy for price computing. Simply pre-set and store your values in the memory, then you can use them to compute prices as outlined in the next section.

Note: The Touchscale uses a special integrated memory that is able to store and recall values even when the power is reset or the batteries changed on the scale! At My Weigh, we engineered the memory to make it easier for most individuals, because they weigh the same types of items for the same unit prices.

PRICE CALCULATION

1. Set the unit price:
   
   1. Enter the unit price on the upper row. e.g. unit price = $1.23/g
   2. enter [1] [.] [2] [3] (1.23 will show on the upper row)
   3. If the unit price was stored in the memory before (e.g. M2), simply touch the correspondingÊ [M2] button to retrieve it.
2. Put the object to be weighed on the platform and the weight will be displayed on the lower row. e.g. weight = 35.6g
3. Touch the "CALC" key to perform the multiplication function: Total Price = Unit Price X Weight = 1.23 X 35.6 = 43.788. The total price "43.788" is then displayed on the upper row.
4. If the weight is changed, the total price figure will also be updated instantly.
5. To quit this function, simply touch the [C] key (the results will still be kept on the upper row) or touch the [AC] key (the result will be cleared and 0 will show on the upper row)

TRANSFER THE WEIGHT CONFIGURATION FOR CALCULATION
The weight figure can be copied to the upper row by simply touching it. What this means is you can weigh an object and the weight will show on the display (eg 35.6), if you touch the displayed number (35.6) the number will be automatically copied to the upper row. It can then be stored into the memory or used to perform other calculations.

SIMPLE CALIBRATION
This scale is accurate within 0.1g, only calibrate if your readings are inaccurate beyond 0.1g. Always allow your scale to warm up for 30 seconds before calibration. Always move your hands very gently during calibration as to not cause vibrations or air movement.

1. Turn the scale off and clear the platform. Make sure nothing is on the platform, not even the plastic tray.
2. Place the scale on a flat stable surface that has no vibrations and make sure there is absolutely no air movement.Surface must be extremely stable.
3. Turn the scale on by pressing the ON key. Remember to make sure the silver platform is empty.
4. When the display shows 0.0, Place a 100 gram weight on the center of the tray.
5. Wait 5 seconds for the display to stabilize ,then press and hold the MODE key until the display flashes 100.0 twice. This will take about 6 seconds.
6. Calibration is complete, release the MODE key and remove the weight from the tray.
7. If the readings are inaccurate, perform calibration again. If your scale will not properly calibrate or shows "err" please try the advanced calibration and reprogramming instructions.

Related Scales

Scale: Touchscale

Legal Notice

Utility: The Touchscale is the world's first touch-screen scale and as such it it entitled to patent protection classified as an "invention". Patent in final approval / pub stage - US

Design: The Touchscale is a unique design and thus entitled to design patent protection

Software: The unique software that powers the Touchscale is protected by Copyright laws and is also protected by the above utility patent.

Trademark: "Touchscale" is protected by trademarks in the US, CA, EU and treaty countries.

US Patent SN: 10/264,874

EU Patent SN: XXX04072002(app#)

DESCRIPTION

HANDHELD ELECTRONIC SCALE

WITH TOUCH SCREEN

 

Cross-Reference to Related Applications

This application claims the benefit of United States Patent Application serial number 60/393468 filed on July 2, 2002, incorporated herein by reference.

Field of the Invention

[0001] The present invention relates to electronic scales. More specifically, a scale which comprises a flat, compact and portable housing construction capable of providing a digital display of an object’s weight, wherein the scale includes electronic circuitry and a touch screen for controlling the operating functions.

Background Art

[0002] There are a number of patents for scales including U.S. Patent Nos. 4,034,818; 4,041,289; 4,195,348; 4,495,581; 4,800,973; 6,177,929; 6,295,198; and 6,381,484, incorporated herein by reference.

[0003] Typically, with an electronic scale, an object is positioned on a weighing platform, so that the weight of the object causes the weighing platform to move downward. The downward force causes the weighing platform to exert a force or pressure on a transducer. The transducer converts the downward force into an analog signal in terms of a voltage or a current having a magnitude which varies according to the weight of the object.

[0004] This analog signal cannot be easily converted for digital display purposes without the use of an analog to digital converter (A/D converter). Essentially, the prior art shows many techniques for performing analog to digital conversion. Primarily, the object of such devices is to respond to an analog signal to provide therefrom a digital code or a digital signal, which can be processed by conventional digital circuitry to eventually activate a digital display, such that, the weight of the object is displayed on the display screen.

Brief Summary of the Invention

[0005] The hand held scale of the present invention comprises a rectangular casing with a weighing platform, for supporting items to be weighed, a display screen, for displaying the weight of the objects and controlling the functions for the scale, and the electronic components for controlling such. The scale is preferably an electronic scale, where downward forces on the weighing platform are sensed by a transducer which produces an electrical signal indicative of weight. The visual display is also a touch screen.

[0006] In one aspect of the invention, a portable electronic weighing device is provided which includes (a) a platform on which an object is placed for weighing; (b) weighing circuitry in communication with the platform for weighing objects placed on the platform to provide weight data thereof; (c) a display having a first and second display area, the first display area for digital display of weight data of the object, and wherein the display further comprises an input device for receiving input from a user; and (d) calculating circuitry responsive to the input device and the weighing circuitry for providing output data, the output data displayed on the second display area; wherein the weight data is selectively transferred to the calculating circuitry through the input device by the user upon a single command without re-entering the weight data.

[0007] In a further aspect of the invention, the weighing circuitry includes a transducer coupled to the platform responsive to the weight of the object to provide an analog signal indicative of the weight, and comprising analog to digital conversion circuitry for providing the weight data. Further, in another aspect thereof, the input device includes a touch screen having a plurality of touch points thereon responsive to user input. A touch point is associated with the first display area such that when the touch point is activated, the weight data shown on the first display area is transferred to the calculating circuitry. The calculating circuitry includes mathematical functions operable on the weight data. The mathematical functions include arithmetic calculations operable via the touch screen, the results of which are displayed in the second display area. Moreover, the calculating circuitry further includes storage circuitry to allow storage of weight data and output data. In an embodiment, the calculating circuitry comprises price calculation circuitry, wherein the price calculation circuitry includes computing devices for receiving unit price, receiving weight data of an object placed on the platform, performing price calculation based on unit price and weight data, and displaying price calculation on the display. The price calculation circuitry automatically updates the price calculation upon receiving a change in weight data by performing price calculation based on unit price as previously received and newly received weight data, and displaying price calculation on the display.

[0008] The invention further includes a method for price calculation based on weight of an object including: (a) placing an object on a platform to be weighed; (b) weighing the object with a weighing device in communication with the platform providing digital weight data; (c) displaying the digital weight data on a first display area; (d) entering a unit price for the object, the unit price displayed on a second display area; (e) calculating the price based on the digital weight data and unit price by a single command by a user without re-entering the digital weight data; and (f) displaying the price on the second display area. In one aspect of the invention, the single command is entered by a touch screen. New price calculation is automatically provided upon placing another object on the platform having a different weight.

[0009] In the present invention, the functionality of the invention is operable through the display screen which is a multifunction touch screen display which is controlled by a microprocessor and connected to a power source, where the operational modes include a weighing function and a calculator function. For example, the touch screen display enables the weight of an object to be selectively displayed in a variety of units, including, grams, ounces, troy ounces, and pennyweight by depressing the MODE key. Additionally, the touch screen display controls a digital calculator of the scale, which can perform standard arithmetic calculations (i.e., +, -, x, ¸). The calculator function can be used to perform price calculations based on unit price and the weight of the object. For example, the weight of the object can be transferred to the calculator function by depressing the weight on the touch screen display. The weight can then be multiplied by the unit price to determine the total price. If the weight is changed, the total price figure will also be updated instantly. In an embodiment, the hand held scale of the subject invention comprises an electronic scale and a display means for digitally displaying the weight of an object, wherein the scale and the display means are controlled by a micro-processor.

[0010] All patents, patent applications and publications referred to or cited herein, or from which a claim for benefit of priority has been made, are incorporated by reference in their entirety to the extent they are not inconsistent with the explicit teachings of this specification, including: U.S. Patent No. 4,041,289, Brosh et al.; U.S. Patent No. 4,800,973, Angel; U.S. Patent No. 6,395,198 B1, Loh et al.; and U.S. Patent No. 4,041,289.

 

Brief Description of the Drawings

[0011] In order that the manner in which the above-recited and other advantages and objects of the invention are obtained, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered to be limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:

[0012] Figure 1A depicts a top view of the sample digital scale in accordance with one aspect of the present invention.

[0013] Figure 1B depicts a side view of the sample digital scale in an open position in accordance with one aspect of the present invention.

[0014] Figure 1C depicts a side view of the sample digital scale in a closed position in accordance with one aspect of the present invention.

[0015] Figure 1D depicts a bottom view of the sample digital scale in a closed position in accordance with one aspect of the present invention.

[0016] Figure 1E depicts a top view of the sample digital scale in a closed position in accordance with one aspect of the present invention.

[0017] Figure 2 depicts a block diagram of a sample digital scale in accordance with one aspect of the present invention.

[0018] Figures 3a - 3b depict the touch screen of the sample digital scale in accordance with one aspect of the present invention.

 

Detailed Disclosure of the Invention

[0019] Referring now to the drawings, embodiments of the present invention will be described.

 

[0020] With reference to Figures 1A - 1E, the hand held scale 10 of the present invention comprises a rectangular casing 20 comprising a weighing platform 30, for supporting items to be weighed, a display screen 24, for displaying the weight of the objects and other data, and controlling the functions for the scale 10 through a touch screen 40 incorporated with the display screen. The scale 10 includes a hinged lid 21 that opens on hinges 23 using latch 22. A stylus 25 for operating the touch screen 40 is also included.

[0021] As shown in more detail in Figures 3a - 3b, the display screen preferably includes at least two display areas 24a and 24b. The first display area 24a displays the weight of the object. The second display area 24b displays other data calculated by the circuitry of the invention. The location of the display areas 24a and 24b may be arranged as a matter of design choice. In the example provided herein, display area 24a is shown as a lower display row and display area 24b is shown as an upper display row. A calculator input section 26 of the display screen 24 is also included to allow user input of numerical entries and arithmetic operators. A function input section 27 is included to allow input of functions of the invention. Additional display indicators and touch points may be provided to provide for standard informational icons (e.g., error, units, battery level indicator, etc.) and additional inputs (e.g., memory recall icons) as known in the art.

[0022] Turning now to Figure 2, the scale 10 is preferably an electronic scale 10, where downward forces on the weighing platform 30 are sensed by a transducer 11 which produces an electrical signal indicative of weight. Weighing circuitry 13 transmits this signal to the display 24. The visual display 24 is touch screen 40. The electronic components of the scale 10 are positioned within the rectangular case 20. As shown, an object 12 is positioned on a weighing platform 30. The weighing platform 30 is associated with a base member 13, which is positioned on a horizontal reference plane. The object 12 causes the weighing platform 30 to move downwardly with respect to the plane or base 13. The downward force of the weight of the object 12 causes the weighing platform 30 to exert a force or pressure on a transducer 11 coupled between the weighing platform 30 and the base 13.The weighing platform 30 and base member 13 are conventional scale components and many examples of suitable apparatus exist in the prior art and may be used herein.

[0023] The transducer 11 or load cell can be a number of different devices for converting a pressure or a force into an electrical signal as known in the art. As such, the transducer 11 may compromise a Wheatstone bridge configuration employing piezoresistive elements or other pressure converting devices to provide a varying electrical signal indicative of the weight of the object 12 on the weighing platform 30. As such, the transducer 11 supplies an analog signal in terms of a voltage or a current having a magnitude which varies according to the weight of the object 12.

[0024] This analog signal cannot be easily converted for digital display purposes without the use of an analog to digital converter (A/D converter). Essentially, the prior art shows many techniques for performing analog to digital conversion, any of which may be used herein. Such devices respond to an analog signal to provide a digital code or a digital signal, which can be processed by conventional digital circuitry to eventually activate a digital display, such that, the weight of the object 12 is displayed on the display screen 24.

[0025] Calculating circuitry 15 is included with the scale 10 to provide the functions of the invention. The calculating circuitry communicates with the display 24 and receives input from the touch screen 40.

[0026] Referring to Figures 2 and 3a - 3b, the weight of an object 12 is displayed on the display screen 24, at lower display row 24a where the display screen 24 is a multifunction touch screen display 40. The operation modes of the scale 10 and touch screen 40 are controlled by a microprocessor and connected to a power source, where the operational modes include a weighing function and a calculator function. For example, the touch screen display 40 enables the weight of the object 12 to be selectively displayed in a variety of units, including, grams, ounces, troy ounces, and pennyweight by depressing the MODE key. A stylus 22 is provided for contacting the touch screen 40 and thereby controlling the functions of the electronic scale 10.

[0027] In a method of use, the scale 10 is initially, turned on by pressing the ON key in the function input section 27. After a few seconds, the lower display row 24a will read “0.0 g”. Typically, the scale 10 should be allowed to warm up for at least 30 seconds before weighing for accuracy and stability. To weigh an object 12, the object 12 is placed on the center of the platform 30 and the value is shown on the lower display row 24a.

[0028] If you need to weigh loose items or anything in a container or tray the TARE function should be used to zero the scale. There are two ways to use the TARE function: 1) turn the scale ON; 2) place the empty container or tray on the platform 30; 3) press the TARE key in the function input section 27-the lower display row 24a will change to “0.0”; 4) place the objects 12 to be weighed into the container / tray; 5) the exact weight of the objects 12 will be displayed.

[0029] An alternative method for zeroing the scale 10 is to turn the scale OFF, place the tray to be tarred onto the platform 30, then turn the scale ON. The scale 10 will automatically tare the tray and “0.0” will displayed.

[0030] Another function of the scale 10 is an Auto-Off feature that turns off the scale 10 after lapses of non-activity. If the scale 10 is in a room with wind or air movement, it may sense the pressure of the air and not utilize Auto-Off. In this case, simply press the OFF button to turn the scale off manually.

[0031] This scale has the ability to weigh in grams, ounces, pennyweights or troy ounces. Simply press the MODE key in the function input section 27 once the scale is on. (The g, oz, dwt, or ozt is shown on the left of the display to determine mode). A unique feature of the invention is the price calculations. The calculator function on the touch screen at calculator input 26 can be used to perform price calculation based on unit price and the weight of the object. For example, the weight of the object can be directly transferred to the calculator function by depressing the weight on the touch screen display at 24a. The weight can then be multiplied by the unit price to determine the total price displayed at 24b. If the weight is changed, the total price figure at 24b will also be updated instantly. This feature provides ease of use and quick calculations.

[0032] If the battery voltage is too low during power on, it will display “Lo” for about 3 seconds and then turn off automatically. If the battery voltage becomes too low during operation, the low-batt icon will show on the screen.

[0033] The following are additional examples of using certain functions of the scale of the subject invention:

 

[0034] Example 1: Use as a simple 8-digit calculator:

The scale can perform at least four arithmetic calculations (i.e., +, -, x, ¸):

e.g., To calculate “(3+8) x 5 = 55”,

enter [3] [+] [8] [x] [5] [=] on calculator input 26

then “55” will be displayed on the upper display row 24b.

 

[0026] Example 2: Using the Memory Function:

The memory consists of 4 items, representing by the four memory buttons M1, M2, M3 & M4

a) To store items in memory:

First, enter the number (value) that you want to store in memory on the top row of the display. You can do this by using the number keypad.

Touch the [M] key in the top right corner of the display. The [M] key will blink and all four Memory buttons will show on the display (M1, M2, M3, M4).

Choose one of the 4 memory buttons, e.g., [M1] by touching it.

The current figure on the upper row is then stored in M1.

The [M] key will then stop blinking.

(b) To clear the memory:

Touch the [MC] key. At this time, the [MC] key will blink.

Choose one of the registered memory buttons, e.g., [M1] by touching it.

The stored figure in M1 is then cleared.

The [MC] key will then stop blinking.

Repeat this process for all memory numbers that you want to delete.

(c) To recall items in memory:

The 4 items can be recalled for calculation at any time. To recall the memory, simply touch one of the memory buttons, its content will be displayed on the upper row. This comes in very handy for price computing. Simply pre-set and store values in the memory, then you can use them to compute prices as outlined in the next section.

 

[0027] Example 3: Price Calculation:

The scale comprises an integrated memory that is able to store and recall values even when the power is reset or the batteries changed on the scale

(a) Set the unit price:

Enter the unit price on the calculator input 26 which is displayed on the upper display row 24b

e.g., unit price = $1.23/g, enter [1] [.] [2] [3] (1.23 will show on the upper display row 24b).

If the unit price was stored in the memory before (e.g., M2), simply touch the corresponding [M2] button to retrieve it.

(b) Put the object to be weighed on the platform and the weight will be displayed on the lower display row 24a.

e.g., weight = 35.6g

(c) Touch the “CALC” key on the function input 27 to perform the multiplication function:

Total Price = Unit Price x Weight

= 1.23 x 35.6

= 43.788

The total price “43.788” is then displayed on the upper display row 24b.

i.) If the weight is changed, the total price figure will also be updated instantly.

ii.) To quit this function, simply touch the [C] key (the results will still be kept on the upper row) or touch the [AC] key (the result will be cleared and 0 will show on the upper row).

[0028] Example 4: Transfer the weight figure for calculation:

(a) The weight figure on the lower display row 24a can be copied to the upper display row 24b by simply touching it. This allows you to weigh an object and the weight will show on the lower display 24a (e.g., 35.6), if you touch the displayed number (35.6) the number will be automatically copied to the upper display row 24b.

(b) It can then be stored into the memory or used to perform other calculations.

 

[0029] Example 5: Simple Calibration:

It is recommended to allow the scale to warm up for 30 seconds before calibration.

(a) Turn the scale off and clear the platform .

(Make sure nothing is on the platform, not even the plastic tray)

(b) Place the scale on a flat stable surface that has NO vibrations and make sure there is absolutely NO air movement. (Surface must be extremely stable).

(c) Turn the scale on by pressing the ON key (Remember: make sure the silver platform is empty).

(d) When the display shows 0.0, Place a 100 gram weight on the center of the tray.

(e) Wait 5 seconds for the display to stabilize, then press and hold the MODE key until the display flashes 100.0 twice. (This may take about 6 seconds)

(f) Calibration is complete, release the MODE key and remove the weight from the tray.

 

[0030] While there has been shown and described what is considered to be a preferred embodiment of the invention, it will, of course, be understood that various modifications and changes in form or detail could readily be made without departing from the spirit of the invention. It is therefore, intended that the invention not be limited to the exact form and detail herein shown and described, nor to anything less than the whole of the invention herein disclosed.

CLAIMS

 

1. A portable electronic weighing device comprising:

a platform on which an object is placed for weighing;

weighing circuitry in communication with said platform for weighing objects placed on said platform to provide weight data thereof;

a display having a first and second display area, said first display area for digital display of weight data of said object, and wherein said display further comprises an input device for receiving input from a user;

calculating circuitry responsive to said input device and said weighing circuitry for providing output data, said output data displayed on said second display area;

wherein said weight data is selectively transferred to said calculating circuitry through said input device by the user upon a single command without re-entering the weight data.

 

2. The portable electronic weighing device of claim 1 wherein said weighing circuitry comprises a transducer coupled to said platform responsive to the weight of the object to provide an analog signal indicative of the weight, and comprising analog to digital conversion circuitry for providing the weight data.

 

3. The portable electronic weighing device of claim 1 wherein the input device comprises a touch screen having a plurality of touch points thereon responsive to user input.

 

4. The portable electronic weighing device of claim 3 wherein a touch point is associated with said first display area such that when said touch point is activated, the weight data shown on the first display area is transferred to the calculating circuitry.

 

5. The portable electronic weighing device of claim 4 wherein the calculating circuitry comprises mathematical functions operable on the weight data.

 

6. The portable electronic weighing device of claim 5 wherein the mathematical functions include arithmetic calculations operable via the touch screen, the results of which are displayed in the second display area.

 

7. The portable electronic weighing device of claim 1 wherein the calculating circuitry further comprises storage circuitry to allow storage of weight data and output data.

 

8. The portable electronic weighing device of claim 5 wherein the calculating circuitry comprises price calculation circuitry.

 

9. The portable electronic weighing device of claim 8 wherein the price calculation circuitry comprises computing devices for receiving unit price, receiving weight data of an object placed on the platform, performing price calculation based on unit price and weight data, and displaying price calculation on the display.

 

10. The portable electronic weighing device of claim 9 wherein said price calculation circuitry automatically updates the price calculation upon receiving a change in weight data by performing price calculation based on unit price as previously received and newly received weight data, and displaying price calculation on the display.

 

11. A portable electronic weighing device comprising:

a platform on which an object is placed for weighing;

weighing circuitry in communication with said platform for weighing objects placed on said platform to provide weight data thereof; wherein said weighing circuitry comprises a transducer coupled to said platform responsive to the weight of the object to provide an analog signal indicative of the weight, and comprising analog to digital conversion circuitry for providing the weight data;

a display having a first and second display area; said first display area for digital display of weight data of said object, wherein said display comprises an input device for receiving input from a user; wherein the input device comprises a touch screen having a plurality of touch points thereon responsive to user input, wherein the user selectively transfers weight data to calculating circuitry utilizing the input device upon a single command without re-entering the weight data, said calculating circuitry responsive to said input device and said weighing circuitry for providing output data, said output data displayed on the second display area; wherein said weighing circuitry comprises price calculation circuitry, said price calculation circuitry comprising computing devices for receiving unit price from the user via the input device, receiving weight data of an object placed on the platform from the weighing circuitry, performing price calculation based on unit price and weight data, and displaying price calculation on the display.

 

12. The portable electronic weighing device of claim 11 wherein the calculating circuitry comprises mathematical functions operable on the weight data.

 

13. The portable electronic weighing device of claim 12 wherein the mathematical functions include arithmetic calculations operable via the touch screen, the results of which are displayed in the second display area.

 

14. The portable electronic weighing device of claim 11 wherein the calculating circuitry further comprises storage circuitry to allow storage of weight data and output data.

 

15. A method for price calculation based on weight of an object comprising:

placing an object on a platform to be weighed;

weighing the object with a weighing device in communication with the platform providing digital weight data;

displaying the digital weight data on a first display area;

entering a unit price for the object, said unit price displayed on a second display area;

calculating the price based on the digital weight data and unit price by a single command by a user without re-entering the digital weight data; and

displaying the price on the second display area.

 

16. The method of claim 15 wherein the single command is entered by a touch screen.

 

17. The method of claim 15 wherein a new price calculation is automatically provided upon placing another object on the platform having a different weight.

Abstract of the Disclosure

[0031] The hand held scale of the present invention comprises a rectangular casing with a weighing platform, for supporting items to be weighed, a touch display screen, for displaying the weight of the objects and controlling the functions for the scale, and the electronic components for controlling such. The scale is preferably an electronic scale, where downward forces on the weighing platform are sensed by a transducer which produces an electrical signal indicative of weight. The visual display is touch screen. The touch screen display controls the calculator of the scale, which can also perform arithmetic calculations on the results of the weighing function. The calculator function can be used to perform price calculation based on unit price and the weight of the object. For example, the weight of the object can be transferred to the calculator function by depressing the weight on the touch screen display. The weight can then be multiplied by the unit price to determine the total price. If the weight is changed, the total price figure will also be updated instantly.

Drawings & Figures:

• Figure 1a (revised)

• Figure 1b/d (revised)

• Figure 2 (revised)

• Figure 3a/b (revised)

• Additional Filed

US Patent App# 60/393468, SN: 10/264,874

EU Patent App# 21/5/2002-XX4XX (filing date)

(Truncated)

Legal Notice: The Technology and design of the Touchscale are patented in the USA, EU, CA and other treaty countries. This new technology is the sole property of GKI Technologies Inc. Any attempt to violate or copy our technology or our designs will result in immediate prosecution as in the Seikin case. We work hard to develop our products, and we protect our proprietary technology and inventions with patents and other legal protections. For legal questions or licensing inquiries please contact our legal department.

Advised by Hughes Hubbard & Reed LLP

US Filings by Saliwanchik, Lloyd & Saliwanchik

Pre-read this entire page before you begin If you wish to make your Touchscale work faster or change the auto-off time please follow these instructions. We do not recommend any of this because it may cause your scale to be unstable,Ê slightly inaccurate or burst into flames (just kidding). You can always change it back to the default settings.

This is not an easy procedure and must only be done if necessary. Low batteries are the #1 cause of scale malfunction, so be sure you have good batteries installed. Place the scale on a flat stable surface that has no vibrations and make sure there is absolutely no air movement. Make sure the scale is not turned on. Make sure nothing (not even the plastic tray) is on the silver platform and the scale is turned Off.

1. Turn the scale ON
2. Press and hold the OFF key for 10 seconds.ÊThe display will then change from 0.0 to a random large numberÊ(such as 583, 1088, etc). This is the gravitational number. If this number is above 1400, then see the bottom of this section.
3. Gently place a 100g standard weight on the platform. The displayed figure will increase. Be very gentle at each step.
4. Wait 5 seconds for the display to stabilize and then press the OFF key once. The display should change to 2000.
5. If the display does not show 2000, Change the 0000 figure to 2000 by pressing the MODE key. If you make a mistake and press it too many times, you can just keep pressing it until you get it back to 2000. If necessary you can press the TARE key to shift the blinking digit to the next spot and then use the MODE key to change that number also.
6. Press the OFF key. The display should show 6114.
7. Press the OFF key again. The display should show 8295.

   If you want to make the scale perform faster, press the MODE key to change this number to 4255.ÊPress the MODE key several times to change the first figure to 4. This sets your scale to weigh faster.

   If you want the scale to have a longer auto-off time then change the second digit to a higher number.Ê This is done by pressing the TARE key to shift the blinking digit to the second row. Now you can press the MODE key to increase the number. What we mean is the 2 in 8295 is the number of 30 second increments before auto off. If you set it to a higher number (3 for example) it will have a longer auto-off time. So, 8395 will be a 90 second auto off time,Ê 8495 will be a 120 second auto off time, 8595 will be a 150 second auto off time and so on.

8. Press the OFF key again. The display will show "0ff" and the scale will turn off in 2 seconds, which means the calibration and advanced programming is completed.
9. Remove the 100g weight from the platform.
10. Turn the scale back on and test some weight readings.

Remember, you can always change your scale back to the default settings. If your scale is not operating properly, try changing it back to the default settings or verify that your settings are correct. Usually that will fix any problem you are having with your Touchscale.

Touchscale "Last Ditched Effort" REPAIR GUIDE
This is an extremely advanced repair guide for the Palmscale These instructions are only to be used if you are absolutely sure your scale is "beyond repair" and you would like to make a last ditched effort to get it working again. This should only be used for scale problems that were caused by extreme shock or overload that bends the load cell too far down.

1. Turn the scale on. "Err" may appear. Just turn it on anyway.
2. Press and hold the OFF key until the display turns into a random number.
3. If the random number is higher then 1400, that means the load cell has been overloaded. You can try prying up on the tray until the random number (the AD Value) changes to a number closer to 1000 (ie 750 or 1100). Basically you're bending the load cell back upwards trying to get the scale to come back to use.
4. Proceed to advanced recalibrate the scale as shown in the instructions above and hopefully it will work fine.

"Flashing 88888" Underload Repair
This will help you if your scale is flashing intermittently "88888". The flashing 88888 indicates that the scale has been underloaded. What this means is that the scale was dropped or shocked and the load cell was bent upwards. This can often be repaired by simply pressing down on the weighing platform to lightly bend the load cell back downwards. Be careful not to press too hard - basically you want to use just enough force to get the scale to work.

1. Turn the scale ON (it will flash 88888)
2. Press down on the tray with light-medium force and release. If the scale stops flashing 8888 and shows 0 (0.0) you are done. If the scale continues to flash 88888 then try pressing a bit harder, and repeat
3. If you are unable to get the scale to work properly using this method then you must send the scale in for warranty replacement/repair. Please follow our warranty instructions.

Related Scales

Scale: Touchscale