TWI489973B - Multifunctional portable electronic device and fat detect method therewith - Google Patents

Description

Multifunctional portable electronic device and body fat measuring method thereof

The present invention relates to a portable electronic device, and more particularly to a multifunctional portable electronic device and a body fat measuring method thereof.

With the increasing standard of living of people, the pace of life is accelerating, the amount of exercise is also reduced, and the body fat content in the human body is also more likely to increase. The amount of fat is the main indicator for judging obesity. From the perspective of health and aesthetics, people pay more and more attention to the amount of fat in their own body. It is often necessary to check the body fat content in order to make appropriate Countermeasures. However, when people want to know their fat content at any time, they usually need to use a special body fat measuring device to measure, and the conventional body fat measuring device is generally not convenient to carry around. If the body fat measuring device can be integrated into a portable electronic device such as a mobile phone that people often carry, it can bring great convenience.

In view of this, it is necessary to provide a multifunctional portable electronic device having a body fat measurement function.

In addition, it is also necessary to provide a method of performing body fat measurement using the multi-function portable electronic device.

A multifunctional portable electronic device comprising a casing, a touch screen and a measurement The touch panel is mounted on the housing, and the measurement module is disposed between the touch screen and the housing for implementing a body fat measurement function, and the measurement module includes a housing disposed in the housing. a central control unit, a measuring electrode disposed on the surface of the touch screen, and a conductive layer disposed inside the touch screen, wherein the test subject presses the measuring electrode from the surface of the touch screen to make contact with the conductive layer to form a Through the measurement loop of the body of the subject, the central control unit collects the parameters in the measurement loop to calculate the body fat content of the subject.

A method for performing body fat measurement using the above-mentioned multifunctional portable electronic device, the method comprising the steps of: starting a body fat measurement function, displaying a measuring electrode on a touch screen; contacting a measuring electrode with the measuring object, and making a measurement The electrode is electrically connected to the measuring circuit; a measuring current is generated, a measuring circuit is formed through the measuring circuit, the measuring electrode and the human body, and parameters of the circuit are collected; and the body fat content of the measured person is calculated according to the foregoing parameters.

Compared with the prior art, the multifunctional portable electronic device of the present invention directly integrates the body fat measurement module into the touch screen thereof, and the measurement operation and the traditional method can be used when performing the body fat measurement using the portable electronic device. The touch action is combined, and as long as the hands or other parts of the body are pressed against the touch screen, the measuring electrodes can be contacted to form a measuring loop, thereby realizing the measurement of the fat content in the body. The portable electronic device is convenient to carry, simple to operate, and can realize body fat measurement function at any time.

100‧‧‧Portable electronic devices

10‧‧‧shell

12‧‧‧Control keys

13‧‧‧Control keys

20‧‧‧Measurement module

21‧‧‧Power supply

22‧‧‧Measurement circuit

23‧‧‧Transmission layer

231‧‧‧ Conductive electrode

232‧‧‧Contacts

233‧‧‧ openings

24‧‧‧Measurement electrode

25‧‧‧Central Control Unit

26‧‧‧ memory

30‧‧‧ touch screen

31‧‧‧Protective layer

32‧‧‧Touch layer

321‧‧‧First ITO conductive layer

322‧‧‧ spacer

323‧‧‧Second ITO conductive layer

324‧‧‧ plexiglass layer

1 is a perspective view of a multi-function portable electronic device according to a preferred embodiment of the present invention.

2 is a structural block diagram of the multi-function portable electronic device shown in FIG.

3 is an exploded perspective view of a touch screen portion of the multi-function portable electronic device of FIG. .

4 is a method for performing body fat measurement by the multi-function portable electronic device shown in FIG. 1.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which illustrate a multi-function portable electronic device 100 according to a preferred embodiment of the present invention. The portable electronic device 100 has a housing 10 and a touch screen 30. The touch screen 30 is mounted on the housing 10. The portable electronic device 100 further includes a measurement module 20 mounted between the housing 10 and the touch screen 30. The measurement module 20 can measure the fat content of the human body, and includes a power source 21, a measurement circuit 22, Conductive layer 23, measuring electrode 24, central control unit 25 and reservoir 26.

The housing 10 is substantially elongated, and the touch screen 30 is mounted on a surface of the housing 10. The housing 10 is provided with a control button 12 and a control button 13 on both sides of the touch screen 30. The control button 12 and the control button 13 are electrically connected to the central control unit 25, and can be used for transmitting signals to the center. At the control unit 25, the body fat measurement function is turned on or off, respectively.

The power source 21 can be a conventional power source or a power source of the portable electronic device 100, and the measurement module 20 can be supplied with the power required for operation.

The measuring circuit 22 is electrically connected to the central control unit 25 and the conductive layer 23, and the measuring circuit 22 can generate a measuring current that can pass through the human body and is in a safe range, and measure the voltage value of the circuit formed by the human body. Parameters to obtain the resistance value of the measured human body.

The conductive layer 23 is made of a conductive material such as silver, and has a substantially square frame shape. An opening 233 is defined in a central portion of the conductive layer 23, and the conductive layer 23 extends away from the conductive layer 23 at the opening 233 to form two contact pieces 232. The contact piece 232 and the contact piece 232 are The conductive layer 23 is located in the same plane. The contact strip 232 is used to electrically connect the conductive layer 23 to the aforementioned measuring circuit 22 for conducting the measured current discharged by the measuring circuit 22. The conductive layer 23 is opposite to the two sides of the end of the contact piece 232, and oppositely extending to form two conductive electrodes 231. The conductive electrode 231 is substantially elongated and is located on the same surface as the conductive layer 23 for conducting current to the measuring electrode. twenty four.

The measuring electrode 24 is mounted on the outer surface of the touch screen 30 at a position corresponding to the conductive electrode 231 for direct contact by the user during measurement. The measuring electrode 24 is in contact with the conductive electrode 231 under pressure, so that the measuring current generated by the measuring circuit 22 can be conducted to the measuring electrode 24 through the conductive layer 23 and the conductive electrode 231. When the human body contacts the two measuring electrodes 24, the measuring current forms a loop by the human body, and the measuring circuit 22 can measure the voltage value of the measuring current loop and the like, and according to the resistivity of human body fat and other tissues, etc. The known parameters calculate the approximate resistance of the measured human body. In the embodiment of the present invention, the measuring electrode 24 is a transparent conductive material made of Indium Tin Oxides (ITO) material, which does not affect the touch screen under the normal use state of the touch screen 30. 30 Input and display functions under normal use. In addition, an LED can be disposed under the measuring electrode 24 as an indicating light source (not shown). When the portable electronic device 100 is in a body fat measuring function state, the measuring circuit 22 can provide power to the LED to emit light. Thereby, the outline of the measuring electrode 24 disposed above the LED is displayed to facilitate the measurement operation.

The central control unit 25 can receive the signals from the control keys 12 and the control keys 13 to open or end the body fat measurement function. The central control unit 25 can also control the touch screen 30 in the normal touch operation mode and the body fat measurement mode. Conversion between. In addition, when the body fat measurement mode is selected, the central control unit 25 controls the opening and closing of the measurement circuit 22. The central control unit 25 utilizes the body resistance value collected by the measurement circuit 22 to utilize The principle that fat has different electrical resistivity from other human tissues can be used to derive the approximate fat mass of the tested human body. Finally, the central control unit 25 prompts the subject to input his own parameters (weight, height, age, gender, etc.), and calculates the fat ratio of the subject according to the parameter and the measured amount of body fat.

The memory 26 is electrically connected to the central control unit 25, and can store parameters measured from the measuring circuit 22 (ie, human body resistance values), well-known parameters (receptivity of human body fat and other tissues, etc.) used as a reference in the calculation process, The subject's own parameters (weight, height, age, gender, etc.) and the final measurement (human body fat ratio).

The touch screen 30 has a protective layer 31 and a touch layer 33. The protective layer 31 is mounted on the touch layer 33. The protective layer 31 is made of a transparent plastic film or a plexiglass material for protecting other components of the touch screen 30 mounted under the protective layer 31. A plurality of accommodating holes 311, which are matched with the outer contour of the measuring electrode 24, are disposed at the conductive electrodes 231 of the conductive layer 23 on the two sides of the protective layer 31. The measuring electrodes 24 are respectively disposed in the receiving holes 311. The touch layer 32 is a multi-layer composite film for performing a touch function on a surface of a display (not shown) of the portable electronic device 100, and includes a first layer that is sequentially stacked under the protective layer 23 The ITO conductive layer 321, the spacer layer 322, the second ITO conductive layer 323, and the organic glass layer 324. The conductive layer 23 is interposed between the protective layer 31 and the conductive layer 321 , and an insulating layer (not shown) is interposed between the conductive layer 23 and the first ITO conductive layer 231 to effectively prevent short circuit.

The touch screen 30 has a conventional display and input function. When the touch screen 30 is in a normal touch state, the user can read information and operate the portable electronic device 100 through the touch screen 30. When the multi-function portable electronic device 100 is in the state of use of the body fat measurement function, the touch function of the touch screen 30 can be temporarily turned off, and the touch screen 30 is only used for the body fat measurement operation.

Referring to FIG. 4, the method for performing body fat measurement using the multi-function portable electronic device 100 includes the following steps:

S410: The user activates the body fat measurement function of the portable electronic device 100. At this time, the central control unit 25 will turn off the touch function of the touch screen 30, activate the measurement circuit 22, and display the measurement electrode 24 on the surface of the touch screen 30.

S420: The subject touches the measuring electrode 24. The test subject holds the multi-function portable electronic device 100 with both hands, and the thumbs of both hands are respectively placed on the two measuring electrodes 24. In order to facilitate the operation of 100 during the measurement process, the index finger of the subject can be placed on the control button 12 and the control button 13, respectively. It can be understood that the test subject can also use the other parts of the body to contact the measuring electrode 24, the control button 12 and the control button 13.

S430: Start measurement. When the test subject presses the control button 12, the system issues a prompt ringtone to prompt the measurement to start, and the central control unit 24 turns on the measurement circuit 22 to generate a measurement current, which is passed through the conductive layer 23 and the measurement electrode 24 in contact with the conductive electrode 231, and then The body of the subject in contact with the measuring electrode 24 forms a measuring circuit, and the central control unit 25 collects current, voltage and the like of the measuring circuit by the measuring circuit 22. In addition, during the data acquisition process, the test subject's thumb needs to keep in contact with the measuring electrode 24 to keep the circuit in a conducting state.

S440: Store data. After the data acquisition is completed, the system can issue the prompt ring again, and the test subject presses the control button 13 to end the measurement. The data collected by the measuring circuit 22 is transmitted to the central control unit 25 and stored in the storage unit 26. After the data is stored, the central control unit 25 sends a signal to restore the touch screen 30 to the touch function in the normal mode.

S450: Calculate the fat content. The central control unit 25 collects the data according to the measurement circuit 22. Known parameters such as current and voltage of the measuring circuit and electrical resistivity of human body fat and other tissues are used to calculate the fat content of the test subject, and the data is stored in the memory 26.

S460: The subject inputs personal data. After the measurement circuit 22 collects the data, the central control unit 25 restores the touch screen 30 to the touch function, and displays an interface, prompting the testee to input parameters such as height, weight, age, gender, etc., and storing the data in the memory. In body 26.

S470: Calculate the fat ratio. The central control unit 25 calculates the fat ratio of the test subject according to the calculated fat amount and the data input by the test subject, and displays the result by the touch screen 30.

S480: Store the measurement result. The result of the measurement can be automatically stored in the memory 26. After the storage is completed, the multi-function portable electronic device 100 is restored to the normal use state, and the measured data can be displayed by the touch screen 30, so as to be followed by The measurement results are compared.

The multi-function portable electronic device 100 directly integrates the body fat measurement module 20 into the touch screen 30. When the portable electronic device 100 is used for body fat measurement, the measurement operation and the traditional touch can be performed. The action is combined, as long as the hands or other parts of the body are pressed against the touch screen 30, the measurement electrode 24 can be contacted to form a measurement loop, thereby realizing the measurement of the body fat content, and the portable electronic device 100 is convenient to carry and simple to operate. The body fat measurement function can be realized at any time.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the foregoing is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and those skilled in the art will be able to make the spirit of the present invention. Equivalent modifications or variations are intended to be included within the scope of the following claims.

23‧‧‧Transmission layer

231‧‧‧ Conductive electrode

232‧‧‧Contacts

233‧‧‧ openings

24‧‧‧Contact electrode

31‧‧‧Protective layer

311‧‧‧ 容孔

32‧‧‧Touch layer

321‧‧‧First ITO conductive layer

322‧‧‧ spacer

323‧‧‧Second ITO conductive layer

324‧‧‧ plexiglass layer

Claims (11)

A multi-functional portable electronic device includes a casing, a touch screen and a measuring module. The touch screen is mounted on the casing, and the improvement is that the measuring module is clamped on the touch Between the control panel and the housing, the body fat measurement function is included. The measurement module includes a central control unit disposed inside the housing, a measuring electrode disposed on the surface of the touch screen, and a touch screen disposed inside the touch screen. The conductive layer, the test subject presses the measuring electrode from the surface of the touch screen to make contact with the conductive layer to form a measuring loop through the body of the test subject, and the central control unit collects parameters in the measuring circuit, thereby calculating The body fat content of the subject. The multi-functional portable electronic device of claim 1, wherein the touch screen comprises a protective layer and a touch layer, and the conductive layer is sandwiched between the protective layer and the touch layer. The measuring electrode is mounted on the protective layer, and the measuring electrode is in contact with the conductive layer when pressed to establish an electrical connection. For example, in the multi-functional portable electronic device described in claim 2, after the data acquisition is completed, the test subject can input its own parameters through the touch screen, and the central control unit can obtain the measured fat content and is The parameters input by the tester calculate the fat ratio of the test subject. The multi-functional portable electronic device of claim 3, wherein the measuring module further comprises a measuring circuit electrically connected to the conductive layer and the central control unit, wherein the measuring circuit is controlled by the central control unit. When turned on, the aforementioned measuring circuit generates a current that forms the aforementioned measuring loop via the conductive layer, the measuring electrode, and the measured human body. The multi-functional portable electronic device of claim 4, wherein the measuring electrode corresponding to the surface of the touch screen is provided with two conductive electrodes, and the conductive electrode is used for pressing the measuring electrode. The conductive layer is electrically connected to the measuring electrode when the conductive layer is contacted. The multi-function portable electronic device of claim 5, wherein the touch screen device There are common touch mode and body fat measurement mode, and the touch screen switches between different modes under the control of the central control unit. The multifunctional portable electronic device of claim 6, wherein when the multifunctional portable electronic device turns on the body fat measurement function, the touch screen turns off the touch function and displays the measuring electrode for the contact of the test subject. . The multi-functional portable electronic device of claim 7, wherein the measuring circuit further comprises a storage device for storing parameters and measurement results required in the measuring process. A method for performing human body fat measurement using the multifunctional portable electronic device of claim 1 is improved in that the method comprises the following steps: (1) starting a body fat measurement function, and measuring electrodes on the touch screen Displayed; (2) the test subject contacts the measuring electrode, and electrically connects the measuring electrode to the measuring circuit; (3) generates a measuring current, forms a measuring circuit through the measuring circuit, the measuring electrode and the human body, and collects the circuit Parameters; (4) Calculate the body fat content of the test subject according to the aforementioned parameters. The method of claim 9, wherein the method further comprises the step of storing parameters. The method of claim 10, wherein the method further comprises the following steps after the step of calculating the fat content of the test subject: (1) the subject inputs personal data; (2) according to the measured Calculate body fat ratio by fat content and personal data; (3) Store measurement results.