CN101645945B - Portable electronic device capable of weighing - Google Patents

Portable electronic device capable of weighing Download PDF

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Publication number
CN101645945B
CN101645945B CN200910087002.8A CN200910087002A CN101645945B CN 101645945 B CN101645945 B CN 101645945B CN 200910087002 A CN200910087002 A CN 200910087002A CN 101645945 B CN101645945 B CN 101645945B
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CN
China
Prior art keywords
keyboard
load cells
weighing
food
portable electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN200910087002.8A
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Chinese (zh)
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CN101645945A (en
Inventor
李秀
张晓峰
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Foshan High Grade Hardware & Electrical Appliance Co Ltd
Original Assignee
LIKANG INTERCONNECTION TECHNOLOGY (BEIJING) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN200910087002.8A priority Critical patent/CN101645945B/en
Publication of CN101645945A publication Critical patent/CN101645945A/en
Application granted granted Critical
Publication of CN101645945B publication Critical patent/CN101645945B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a portable electronic device capable of weighing, comprising a shell, a monitor, a keyboard, a mainboard and a weighing sensor, wherein, the keyboard is arranged on the weighing sensor as a scale, which is in contact with and exerts gravity force on the weighing sensor in the weighing state. The portable electronic device not only integrates the electronic scales but also facilitates weighing without influencing the original functions under the circumstance of slight volume change.

Description

The portable electronic equipment that can weigh
Technical field
The present invention relates to electronic equipment technical field, particularly relate to a kind of portable electronic equipment that can weigh.
Background technology
Weighing device is a kind of common articles for use during life is produced.The current portable electronic having occurred that some can be carried with claims, these electronic scales generally comprise display, keyboard, mainboard, the scale pan and LOAD CELLS, described mainboard comprise amplification and filter circuit, device such as analog/digital (A/D) transducer and central processing unit etc.After the described scale pan holds weighed object, LOAD CELLS is exerted a force, gravity is converted to the analog signal of voltage or electric current by LOAD CELLS, through amplifying and being converted to digital signal by A/D converter after filter circuit process, digital signal is by central processing unit calculation process, and periphery need function and various interface circuit be also connected application with central processing unit, finally shown in a digital manner by display.
The portable portable electronic products of current people is more and more abundanter, such as mobile communication terminal (mobile phone), portable audio/video player, portable electronic piece browser etc.Further, the function i ntegration degree of these portable electron devices is more and more higher, and such as current mobile phone has been integrated with the multiple functions such as mobile communication, audio and video playing, electronic reading, wireless Internet access.How electronic scale can be integrated on the such portable electronic equipment of such as mobile phone, make these portable electronic equipments when stereomutation is very little, existing function of weighing does not affect original function again, is that numerous manufacturer forces the problem wishing to solve.
Disclose a kind of mobile phone with spring scale in the patent of invention of China Patent No. ZL200820035315.X, but used in this mobile phone be not electronic scale, certainty of measurement is poor; And need to fill mechanical spring, hook and a graduation apparatus in mobile phone side, add the volume of mobile phone; Need when weighing in addition to find suspension element (such as polybag) carry alleged article and be suspended on hook, use very inconvenient.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of portable electronic equipment of weighing, not only by electronic installation integrated for electronic scale, and make these portable electronic equipments when stereomutation is very little, not only conveniently weigh but also do not affect original function.
To achieve these goals, main technical schemes of the present invention is:
A portable electronic equipment of weighing, comprises casing, display, keyboard, mainboard and LOAD CELLS, and described keyboard is arranged on LOAD CELLS as the scale pan, contacts and execute gravity to LOAD CELLS when weighing state with LOAD CELLS.
Preferably, described casing has the opening corresponding with keyboard position, keyboard by this opening, can relatively casing without frictionally moving up and down.
Preferably, arrange insurance institution between described keyboard and LOAD CELLS, this insurance institution comprises the state of weighing and non-state of weighing; Under the state of weighing, the pressure applied on said keyboard is born by described LOAD CELLS completely; Under non-state of weighing, the pressure applied on said keyboard is born by described insurance institution.
Preferably, described insurance institution comprises slidably supporting member; In non-state of weighing, described supporting member slides into the position supporting described keyboard, makes this keyboard depart from described LOAD CELLS; In the state of weighing, described supporting member slides into the position departing from described keyboard, and this keyboard moves down and touches described LOAD CELLS.
Preferably, described insurance institution and mainboard have circuit and are connected, and described keyboard and described insurance institution have electrical contact on mutual contact point, contact wire or contact-making surface.
Preferably, described keyboard is connected with LOAD CELLS circuit, then is connected with described motherboard circuit by the circuit of LOAD CELLS.
Preferably, described keyboard has extension mechanism, and the deployable area of the scale pan that makes of this extension mechanism increases.
Preferably, this portable electronic equipment described comprises memory and food component analytical equipment;
Food component information is stored in described memory; Described food component analytical equipment is for receiving the weight of the alleged food of LOAD CELLS mensuration, and receive the food mark of input through keyboard, from memory, inquire about the compositional information of this food, calculate the component content of alleged food according to the weight of alleged food and the compositional information of this food.
Preferably, this electronic installation described comprises companion keyboard further, is arranged on the housing of portable electronic equipment, for inputting and relevant instruction of weighing.
Preferably, this portable electronic equipment described is mobile communication terminal.
In the present invention, the keyboard of portable electronic equipment is arranged on LOAD CELLS as the scale pan of electronic scale, when weighing, alleged object is positioned on keyboard, by keyboard, gravity is executed to LOAD CELLS, gravity is converted to the signal of telecommunication by LOAD CELLS, and the circuit devcie process on mainboard, is finally shown in a digital manner by display.Adopt this structure, the portable electronic equipment feature that especially cell phone keyboard area is larger can be made full use of, keyboard and the scale pan are united two into one, compact conformation, an independently scale pan need not be set separately, not only save volume but also achieved the function of electronic scale, do not affect the original function of keyboard simultaneously.And adopt scale pan structure that user can be facilitated to weigh, overcome the defect adopting hook mode to weigh.
Because portable electronic equipment (as mobile phone) is very frequent to pressing of keyboard when using original function; in order to protect the sensitivity of LOAD CELLS; the present invention also arranges insurance institution further between described keyboard and LOAD CELLS; under non-state of weighing; the pressure applied on said keyboard is born by described insurance institution; thus LOAD CELLS can be avoided to suffer excessive pressure, protect its sensitivity.
Accompanying drawing explanation
Fig. 1 a be first embodiment of the invention blow structure chart;
Fig. 1 b is the side sectional view of first embodiment of the invention;
Fig. 1 c is the circuit connection diagram of first embodiment of the invention;
Fig. 2 a is that the structure of a kind of typical insurance institution of the second embodiment blows schematic diagram;
Fig. 2 b be non-weigh state time the second embodiment profile;
Fig. 2 c is the profile of the second embodiment when weighing state;
Fig. 2 d is the profile under the state of weighing of another kind of insurance institution;
Fig. 2 e is the profile of insurance institution described in Fig. 2 d under non-state of weighing;
Fig. 2 f is the schematic diagram that keyboard is connected with mainboard realizing circuit by LOAD CELLS;
Fig. 3 a is a kind of example structure figure of expanded keyboard mechanism;
Fig. 3 b is schematic diagram when expanded keyboard mechanical expansion shown in Fig. 3 a is opened;
Fig. 4 is the schematic diagram of further embodiment of this invention;
Fig. 5 is schematic diagram when the present invention includes food component analytical equipment;
Fig. 6 is schematic diagram when the present invention includes health guidance module.
Embodiment
Below by specific embodiments and the drawings, the present invention is described in further details.
Below in embodiment, portable electronic equipment illustrates for conventional mobile communication terminal (mobile phone) the portable electronic equipment technical scheme being integrated with electronic scale.
Fig. 1 a be first embodiment of the invention blow structure chart, Fig. 1 b is the side sectional view of first embodiment of the invention, and Fig. 1 c is that the signal of first embodiment of the invention moves towards schematic diagram.See Fig. 1 a, Fig. 1 b and Fig. 1 c, described mobile phone mainly comprises casing 10, keyboard 11, LOAD CELLS 12, mainboard 13 and display 14.Mainboard comprises amplification and filter circuit 131, analog/digital (A/D) transducer 132 and central processing unit 133, functional module conventional in current mobile phone and circuit can also be comprised in addition, periphery need functional module and various interface circuit be also connected application with central processing unit, the detailed circuit structure of these functional modules on mainboard and the detailed construction of periphery functional module can adopt the structural design scheme that existing mobile phone is conventional, little with technical problem relation to be solved by this invention, so in the text and repeat no more the detailed construction of mainboard and peripheral modules in accompanying drawing.
Described mainboard 13 and display 14 are fixed on casing 10, and LOAD CELLS 12 is fixed on mainboard 13 or casing 10.Keyboard 11 is arranged on casing 10 on the surface, casing 10 there is the opening 15 corresponding with keyboard 11 position, in the present embodiment, this opening 15 area is greater than keyboard upper surface area, but also can be equal to or less than keyboard upper surface area, if this opening 15 area is less than or equal to keyboard upper surface area, then can reinforce a strutting piece bottom keyboard 11 without frictionally passing opening 15.Keyboard 11, by this opening 15, can frictionally not move up and down by casing 10 relatively.Keyboard 11 is arranged on LOAD CELLS 12 as the scale pan, and LOAD CELLS 12 has the support 16 experiencing weight, and this support 16 contacts with bottom keyboard 11.Under the state of weighing, alleged object is placed on keyboard 11, move down after keyboard 11 is under pressure, described support 16 is exerted a force, stress check calculation is the analog signal of voltage or electric current by LOAD CELLS 12, after the amplification on mainboard and filter circuit process, be converted to digital signal by A/D converter, digital signal, by central processing unit calculation process, is finally shown by display 14 in a digital manner.
In the first shown embodiment, described keyboard 11, display screen 14 all need to have circuit with mainboard 13 and are connected, and can complete normal cell-phone function.Described LOAD CELLS 12 and mainboard 13 also have circuit and are connected.As shown in Fig. 1 a and Fig. 2 b, described display 14 directly can be connected with mainboard 13 realizing circuit by soft arranging wire 17, or can be connected with mainboard 13 realizing circuit in other way.Described keyboard 11 directly can carry out circuit with mainboard 13 and be connected to send command signal to mainboard 13, also can carry out circuit by LOAD CELLS 12 with mainboard 13 to be connected, can be specifically by the printed circuit board (PCB) (PCB of keyboard 11, Printed circuit board, PCB) be arranged on the support 16 of LOAD CELLS, pcb board is connected on the support 16 of LOAD CELLS by soft arranging wire or other circuit connecting modes, then is connected with mainboard 13 realizing circuit by the circuit of LOAD CELLS 12.
In the second embodiment of the present invention, between described keyboard and LOAD CELLS, arrange insurance institution, this insurance institution has two states, state of namely weighing and non-state of weighing; Under the state of weighing, this insurance institution does not contact with keyboard, and keyboard can casing and insurance institution be without frictionally moving up and down relatively, and the pressure applied on said keyboard is all born by described LOAD CELLS; Under non-state of weighing, this insurance institution and keypad contact, the pressure applied on said keyboard is born by described insurance institution.
The concrete structure of described insurance institution can have kinds of schemes, introduces two kinds of typical insurance institution structures below:
Fig. 2 a is that the structure of a kind of typical insurance institution of the second embodiment blows schematic diagram, Fig. 2 b be non-weigh state time the second embodiment profile, Fig. 2 c is the profile of the second embodiment when weighing state.See Fig. 2 a, 2b and 2c, described insurance institution comprises slidably supporting member, this supporting member has two cross bars 22 and 23, two cross bar 22 and 23 connecting rods 26 and 27 connect, each cross bar has protruding 24 and 25, the two ends of cross bar 22 and 23 can along guide groove 221 and 231 horizontal slip on casing 20, and the described cross section of protruding 24 and 25 has oblique angle, so that slide into below keyboard 112.As shown in Figure 2 b, in non-state of weighing, described supporting member slides into the position supporting described keyboard 112, namely described protruding 24 and 25 slide into keyboard 112 and contact with keyboard 112 below, support keyboard 112, make this keyboard 112 depart from LOAD CELLS 12, the power be applied on keyboard 112 is born by supporting member; In the state of weighing, as shown in Figure 2 c, described supporting member slides into the position departing from described keyboard 112, and the position of described disengaging keyboard refers to: outside the edge of keyboard 112, as the position of left side projection 24; Such as, or in the groove of keyboard 112, protruding 25 slide in groove 113, and namely described projection slides into the position departed from keyboard, keyboard 112 can be made to move down and touch described LOAD CELLS 12.Described groove 113 has enough degree of depth, protruding 25 can be made to have certain distance with groove top, also have certain distance between protruding 24 and the casing of upside simultaneously, keyboard 112 can be moved up and down, the power be applied on keyboard passes to LOAD CELLS and carries out meter heavily.
Certainly, according to inventive concept set forth of the present invention, the structure of described insurance institution also has many kinds.The cross section of such as, cross bar projection in Fig. 2 a also can be latch shape.Fig. 2 d is the profile under the state of weighing of another kind of insurance institution, and Fig. 2 e is the profile of insurance institution described in Fig. 2 d under non-state of weighing.As shown in the figure, described in this insurance institution, the cross section of cross bar projection is latch shape, and as latch 241 and 242, position corresponding with this latch on keyboard arranges groove 243 and 244.Under the state of weighing, this latch 241 and 242 described freely up and down can move in groove 243 and 244 corresponding on keyboard, keyboard 245 contacts with the support of LOAD CELLS 12, and keyboard 245 when moving up and down not with latch and chassis contact, the power be applied on keyboard all passes to LOAD CELLS 12; Under non-state of weighing, latch 241 and 242 inserts in the pin clamp of groove 243 and 244 corresponding on keyboard, and latch 241 and 242 supports keyboard 245 makes it depart from the support of LOAD CELLS 12, and the power being at this moment applied to keyboard is born by latch 241 and 242.
In the embodiment with insurance institution, keyboard and LOAD CELLS at state contacts of weighing, non-weigh state time do not contact.Need to key in instruction to mobile phone at non-state lower keyboard of weighing, therefore need to carry out circuit with mainboard to be connected, a kind of execution mode has circuit by described insurance institution with mainboard to be connected, as shown in Figure 2 a, described supporting mechanism is connected with motherboard circuit by circuit 28, described keyboard and described insurance institution have electrical contact on mutual contact point, contact wire or contact-making surface simultaneously, described like this keyboard under non-state of weighing can by and the electrical contact of described insurance institution and described mainboard there is electrical contact, thus function can be keyed in normally.Another kind of execution mode is: described keyboard can carry out circuit by LOAD CELLS and mainboard and be connected, such as shown in Fig. 2 f, can be specifically be connected on the support of LOAD CELLS by the pcb board of keyboard by soft arranging wire 29, this soft arranging wire 29 be connected with described mainboard realizing circuit by the circuit of LOAD CELLS again.Due to the flexibility of soft arranging wire, so state lower keyboard of weighing can not be affected apply gravity to LOAD CELLS.Another execution mode is that described display can directly be connected with motherboard circuit or be connected with motherboard circuit by other modes.
In order to increase the load-bearing area of described keyboard as the scale pan, in one embodiment, described keyboard can also have extension mechanism, and the deployable area of the scale pan that makes of this extension mechanism increases.Fig. 3 a and Fig. 3 b is a kind of example structure figure of expanded keyboard mechanism.See Fig. 3 a and Fig. 3 b, the feature of row-column arrangement is become for keyboard, extension mechanism can be set in any survey of keyboard, such as, in Fig. 3 a and Fig. 3 b extension mechanism is set at keyboard and display non-conterminous three sides, each extension mechanism is cutting shape, and every root cutting is inserted in the gap between button.Such as the button of 4 × 5 arrangements shown in Fig. 3 a and Fig. 3 b, the extension mechanism of the left and right sides has 6 root cuttings respectively, and among the edge being inserted into 5 row buttons and gap, the extension mechanism of downside has 5 root cuttings, among the edge being inserted into 4 row buttons and gap.When needs increase scale pan area, extension mechanism is extracted out, as shown in Figure 3 b.No matter whether such structural design cutting extracts out, all normally pressing of button can not be affected.
Fig. 4 is the schematic diagram of further embodiment of this invention.See Fig. 4, described keyboard 11 is as Master Keyboard, and this electronic installation comprises companion keyboard 41 further, and this companion keyboard 41, not as the scale pan, is arranged on the housing of portable electronic equipment, for inputting and relevant instruction of weighing.When be in weigh state time, alleged object 42 is positioned on Master Keyboard 11, and Master Keyboard 11 uses as the scale pan, be inconvenient to input instruction, now can inputs instruction by this companion keyboard 41, such as key entry food identification information and the instruction of key entry health guidance etc.
In above embodiment, described display and keyboard are straight plate structure, are all arranged on a casing, in other embodiments, display and keyboard also can be renovate or sliding lid construction, and display can be placed on lid, and keyboard, LOAD CELLS and mainboard can be placed on main case.
In another embodiment of the present invention, described mobile phone also comprises food component analytical equipment, and Fig. 5 is the schematic diagram of this embodiment.See Fig. 5, this food component analytical equipment can be integrated in the central processing unit of mobile phone, food component information is stored in the memory of mobile phone, described food component analytical equipment is for receiving the weight of the alleged food of LOAD CELLS mensuration, and receive the food mark of input through keyboard, from memory, inquire about the compositional information of this food, calculate the component content of alleged food according to the weight of alleged food and the compositional information of this food, and can display output display be passed through.Such as, memory can the food component information shown in storage list 1.If current alleged food is for convenience of face, then user is identified in food component analytical equipment by input through keyboard instant noodles, the weight claimed (such as 90 grams) is input in food component analytical equipment by LOAD CELLS, food component analytical equipment inquires the percentage of certain composition contained by instant noodles from such as following table 1, thus calculates the content of 90 grams of instant noodles certain composition contained.
Title Edible part Energy Protein Fat Dietary fiber Carbohydrate
Instant noodles 100 472 9.5 21.1 0.7 60.9
Vermicelli (standard flour) 100 344 10.1 0.7 1.6 74.4
Vermicelli (fine grits) 100 347 9.6 0.6 0.3 75.7
Steamed twisted roll 100 217 6.4 1 0 45.6
Glutinous millet 100 342 9.7 1.5 4.4 72.5
Thin pancake 100 333 7.6 0.7 9.1 74.7
Steamed gluten 100 121 20.4 0.3 0.2 9.1
Table 1
Fig. 6 the present invention is based on another embodiment embodiment illustrated in fig. 5.See Fig. 6, described mobile phone comprises health guidance device further, wherein preset health guidance program, can be integrated in the processor of mobile phone, determine that health guidance is advised for the component content of food alleged by calculating according to food component analytical equipment and the health guidance program preset, send to described display output display.Such as, after food component analytical equipment calculates the carbohydrate content of current alleged food, the carbohydrate that can arrange according to user and the ratio of insulin, calculate the insulin dosage that the alleged food of feed needs injection, this function is very novel and practical for needing the diabetic of insulinize.
When carrying out food component analysis and health guidance, need large-sized display screen to show much information and need the instruction of multiple key-press input complexity, and adopt the mobile phone electronic of compact conformation of the present invention to claim, when change in volume is very little, both electronic scale can be realized, the abundant feature easily of the large and input through keyboard of the display screen of mobile phone own can be made full use of again, not only portable but also powerful.
Portable electronic equipment of the present invention can further include communication module, and for by described food weight and/or food component, and/or the health guidance information of correspondence uploads to the server of specifying.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.

Claims (7)

1. the portable electronic equipment that can weigh, comprise casing, display, keyboard, mainboard and LOAD CELLS, it is characterized in that, described keyboard is arranged on LOAD CELLS as the scale pan, contacts and execute gravity to LOAD CELLS when weighing state with LOAD CELLS; Casing has the opening corresponding with keyboard position, keyboard by this opening, can relatively casing without frictionally moving up and down; Arrange insurance institution between described keyboard and LOAD CELLS, this insurance institution comprises the state of weighing and non-state of weighing; Under the state of weighing, the pressure applied on said keyboard is born by described LOAD CELLS completely; Under non-state of weighing, the pressure applied on said keyboard is born by described insurance institution;
This portable electronic equipment also comprises memory, food component analytical equipment and health guidance device; Wherein:
Described memory is used for storage food compositional information;
Described food component analytical equipment is for receiving the weight of the alleged food of LOAD CELLS mensuration, and receive the food mark of display input, from memory, inquire about the compositional information of this food, calculate the carbohydrate content of alleged food according to the weight of alleged food and the compositional information of this food;
The carbohydrate content of food alleged by described health guidance device is used for calculating according to food component analytical equipment, the carbohydrate arranged according to user and the ratio of insulin, calculate the insulin dosage that the alleged food of feed needs injection.
2. portable electronic equipment according to claim 1, is characterized in that, described insurance institution comprises slidably supporting member; In non-state of weighing, described supporting member slides into the position supporting described keyboard, makes this keyboard depart from described LOAD CELLS; In the state of weighing, described supporting member slides into the position departing from described keyboard, and this keyboard moves down and touches described LOAD CELLS.
3. portable electronic equipment according to claim 1, is characterized in that, described insurance institution and mainboard have circuit and be connected, and described keyboard and described insurance institution have electrical contact on mutual contact point, contact wire or contact-making surface.
4. portable electronic equipment according to claim 1, is characterized in that, described keyboard is connected with LOAD CELLS circuit, then is connected with described motherboard circuit by the circuit of LOAD CELLS.
5. portable electronic equipment according to claim 1, is characterized in that, described keyboard has extension mechanism, and the deployable area of the scale pan that makes of this extension mechanism increases.
6. the portable electronic equipment according to any one of Claims 1 to 5, is characterized in that, this electronic installation comprises companion keyboard further, is arranged on the housing of portable electronic equipment, for inputting and relevant instruction of weighing.
7. the portable electronic equipment according to any one of Claims 1 to 5, is characterized in that, this portable electronic equipment is mobile communication terminal.
CN200910087002.8A 2009-06-22 2009-06-22 Portable electronic device capable of weighing Expired - Fee Related CN101645945B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852639B (en) * 2010-02-24 2012-03-28 宇龙计算机通信科技(深圳)有限公司 Method and system for weighing weight of object at mobile terminal and mobile terminal
CN103076078B (en) * 2012-12-31 2016-09-28 温州市海宝仪器有限公司 Cell-phone electronic-scale
CN105953511B (en) * 2016-05-04 2018-05-08 海信(山东)冰箱有限公司 Refrigerator weighing device anti-interference structure and refrigerator
CN105910379B (en) * 2016-05-09 2018-07-27 海信(山东)冰箱有限公司 A kind of weighing device and drawer of weighing for refrigerator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1480714A (en) * 2003-07-09 2004-03-10 深圳百华电子有限公司 Nutrition weighing scale for controlling diet and nutrition of diabetic
CN200975917Y (en) * 2006-11-03 2007-11-14 陈国平 Scalepan for electronic scale
CN200983607Y (en) * 2006-09-20 2007-11-28 康佳集团股份有限公司 Weighting mobile phone
CN201418099Y (en) * 2009-06-15 2010-03-03 李秀 Portable electronic device capable of weighing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1480714A (en) * 2003-07-09 2004-03-10 深圳百华电子有限公司 Nutrition weighing scale for controlling diet and nutrition of diabetic
CN200983607Y (en) * 2006-09-20 2007-11-28 康佳集团股份有限公司 Weighting mobile phone
CN200975917Y (en) * 2006-11-03 2007-11-14 陈国平 Scalepan for electronic scale
CN201418099Y (en) * 2009-06-15 2010-03-03 李秀 Portable electronic device capable of weighing

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