JP3494032B2 - Body fat scale - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a body fat meter used for health management in general households and businesses.

[0002]

2. Description of the Related Art To prevent and manage lifestyle-related diseases, it is extremely important to measure body fat and grasp its time series changes.

This measurement of body fat is carried out at the same time when the body weight is measured when the measurement site is the foot. When the measurement site is a hand, it is measured using a measuring device in the living room or the like. This measuring device is usually put away in another place.

[0004]

However, the above-mentioned conventional structure has a problem that it is unnecessary for carrying out daily living habits and must be put away when not in use.

[0005]

SUMMARY OF THE INVENTION The present invention is a toilet foot pad.
Impedance between at least one pair of electrodes
Body measured by dance and input by weight value input means
Use the weight value to measure your body fat percentage
The body fat meter is used to measure the body fat percentage while carrying out daily lifestyle habits.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION According to the invention described in claim 1 , the impedance between at least one pair of electrodes arranged on the foot mat of the toilet is measured, and the body weight is input using the weight value input means. The body fat meter is capable of measuring the body fat percentage while performing daily living habits in the toilet by measuring the fat percentage.

According to a second aspect of the present invention, the body fat percentage is measured by measuring the impedance between a pair of electrodes provided on a handle arranged near the toilet seat and using the weight value input by the weight value input means. The body fat meter is capable of measuring the body fat percentage while performing daily living habits in the toilet.

According to a third aspect of the present invention, the impedance is measured by the four-electrode method using the electrode for applying a voltage arranged on the foot mat of the toilet and the measuring electrode arranged on the toilet seat, and the impedance is input by the input means. The body fat rate is measured by using the obtained body weight value, and the body fat rate can be accurately measured while performing daily living habits in the toilet.

According to a fourth aspect of the present invention, impedance is measured using a pair of electrodes arranged only on the left side or the right side of the long diameter portion, and the body fat percentage is calculated using the weight value input by the input means. The body fat meter is capable of stably measuring the body fat percentage while carrying out daily lifestyle habits in the toilet.

According to a fifth aspect of the present invention, impedance is measured using a pair of electrodes arranged on the back portion of the toilet seat, and the body fat percentage is measured using the weight value input by the input means. In this way, the body fat meter is capable of stably measuring the body fat percentage while carrying out daily lifestyle habits in the toilet.

[0011]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of this embodiment. 2 is a toilet seat arranged in the toilet, and in this embodiment, a pair of body fat sensors 3 which are electrodes for measuring impedance are arranged. Of course, the toilet seat 2 is arranged on a toilet bowl (not shown), and the user sits on the toilet seat 2 to carry out daily living habits. Reference numeral 4 denotes a body fat measuring means, which applies a constant current between the body fat sensors 3 to measure the voltage between the electrodes 3. The signal of the body fat measuring means 4 is transmitted to the control means 5. Further, 7 is a weight input means through which the user measures and inputs his / her weight. The control means 5
The body fat percentage is calculated by receiving the signal from the body fat measuring means 4 and the signal from the body weight input means 7, and the result is displayed on the display means 6.

FIG. 2 is a connection diagram showing the structure of the body fat sensor 3 of this embodiment. The body fat sensor 3 is composed of an electrode 3a and an electrode 3b. When the user takes off his / her clothes and sits on the toilet seat 2, for example, the buttocks or thighs may contact the electrodes 3a.
And the electrode 3b. Therefore, electrically, the electrode 3a
The impedance of the human body is connected between the electrode and the electrode 3b. The body fat measuring means 4 measures the voltage between the electrodes 3a and 3b by applying a predetermined current between the electrodes 3a and 3b in this state. That is, the impedance between the electrodes 3a and 3b is measured. The measurement information of the body fat measuring means 4 is transmitted to the control means 5. The control unit 5 calculates the body fat amount from the measurement information of the body fat measuring unit 4 based on the Brozek formula, divides this body fat amount by the body weight input by the body weight input unit 7, and the body fat percentage. Is calculated.
Further, the calculated body fat percentage is displayed on the display means 6.

In this embodiment, the body fat measuring means 4 and the control means 5 are used to calculate the body fat percentage and display means 6 is used.
Although it is displayed above, it does not necessarily have to be in this configuration, and it is not a problem as long as it has a configuration capable of measuring and calculating the body fat percentage.
In addition, in this embodiment, a pair of electrodes, which are the body fat sensors, are paired with each other.
Although it is used as 3b, there is no problem even if the measurement is performed using two or more pairs of electrodes.

As described above, according to this embodiment, the toilet seat 2 in which at least one pair of electrodes 3a3b is arranged and the input means 7 for inputting the weight value are provided, and the impedance between the electrodes 3a3b is measured by the body fat measuring means 4. The body fat percentage is measured by the control means 5 from the impedance and the weight value, and is displayed on the display means 6, so that the body fat percentage can be measured while the daily lifestyle is executed in the toilet. It realizes a body fat meter.

(Second Embodiment) Next, a second embodiment of the present invention will be described. FIG. 3 is a block diagram showing the configuration of this embodiment. In this embodiment, the electrodes 3a3b, which are body fat sensors, are arranged on the foot mat 10 in the toilet.

The operation of this embodiment will be described below.
When the user sits on the toilet seat 2 with his / her foot placed on the foot mat 7 in order to perform daily activities in the toilet, the body fat meter of this embodiment operates. At this time, the user uses the electrode 3 for example.
The left foot is placed on a and the right foot is placed on the electrode 3b. That is, the impedance between both legs is connected between the electrodes 3a3b as described in FIG. 2 of the first embodiment. At this time, it is preferable that the user connects to the electrodes 3a3b in a bare foot state.

In this way, the control means 5 calculates the body fat percentage and displays it on the display means 6 in the same manner as described in the first embodiment.

As described above, according to this embodiment, the toilet foot mat 10 in which at least one pair of electrodes 3a3b are arranged and the input means 7 for inputting the weight value are provided, and the impedance between the electrodes 3a3b and the By measuring the body fat percentage from the weight value and displaying it on the display means 6, a body fat meter capable of measuring the body fat percentage while executing daily living habits in the toilet is realized.

In the case where the method for measuring the impedance between the both legs in this embodiment is used, the measured impedance becomes higher than that in the method for measuring the impedance between the thighs described in the first embodiment. The measurement error of is reduced.

(Embodiment 3) Next, a third embodiment of the present invention will be described. FIG. 4 is a block diagram showing the configuration of this embodiment. In this embodiment, a body fat sensor composed of a pair of electrodes 3a3b is provided on a handle or handrail 8 arranged near the toilet seat 2.

The operation of this embodiment will be described below.
When a user sits on the toilet seat 2 and holds the electrodes 3a and 3b provided on the handle or the handrail 8, for example, the left hand electrode 3a and the right hand electrode 3b, the body fat meter of this embodiment operates. That is, the impedance between both hands is connected between the electrodes 3a and 3b as described in FIG. 2 of the first embodiment. At this time, it is preferable that the user touches the electrodes 3a3b with bare hands.

In this way, the control means 5 calculates the body fat percentage and displays it on the display means 6 in the same manner as described in the first embodiment.

As described above, according to this embodiment, the toilet seat 2
A handle having at least one pair of electrodes 3a3b arranged near the toilet seat 2 and an input means 7 for inputting a weight value, and measuring the body fat percentage from the impedance between the electrodes 3a3b and the weight value. By displaying on the display means 6, a body fat meter capable of measuring a body fat percentage while performing daily living habits in a toilet is realized.

Further, according to the present embodiment, the measured impedance between both hands is higher than that in the method of calculating the body fat percentage by measuring the impedance between the thighs employed in the first embodiment. The measurement error during measurement is reduced.

Further, since the measuring electrodes 3a3b are provided on the handle 8, even an elderly person can easily perform the measurement.

Fourth Embodiment Next, a fourth embodiment of the present invention will be described. FIG. 5 is a block diagram showing the configuration of this embodiment. In the present embodiment, application electrodes 11a11b for applying a voltage are provided on the foot mat 10, and measurement electrodes 12a12 are provided on the toilet seat 2.
b is arranged.

FIG. 6 is a circuit diagram showing the electrical connection of this embodiment. The user applies the electrodes 11a11b on the foot mat 10.
When the legs are attached to the electrodes and the buttocks are attached to the electrodes 12a12b for measurement of the toilet seat 2, the equivalent circuit shown in FIG. 6 is obtained. The body fat measuring means 4 uses 50 KHz between the application electrodes 11a11b.
Electrode for measurement 12a
The voltage between 12b is measured. That is, in this embodiment, the impedance between the measuring electrodes 12a and 12b is measured by the four-electrode method. Therefore, the influence of the contact resistance R between the applying electrode 11a and the measuring electrode 12a and the connection resistance R between the applying electrode 11b and the measuring electrode 12b is eliminated.

As described above, according to this embodiment, the toilet foot mat on which the electrodes for applying the voltage are arranged, the toilet seat on which the measuring electrodes are arranged, and the input means for inputting the weight value are provided.
In the toilet, the body fat percentage is measured from the body fat amount and the body weight value obtained by measuring the impedance between the electrodes by the four-electrode method, and the measured body fat percentage is displayed on the display unit 6. It is intended to realize a body fat meter capable of measuring the body fat percentage while carrying out the daily life habits of.

In particular, according to this embodiment, by using the four-electrode method, the effect of the contact resistance R due to fat or the like can be ignored and a body fat meter capable of accurate measurement can be realized.

(Fifth Embodiment) Next, a fifth embodiment of the present invention will be described. FIG. 7 is a block diagram showing the configuration of this embodiment. In this embodiment, the body fat sensor 3 is provided only on the left side or the right side of the long diameter portion of the toilet seat 2.
The electrode 3a and the electrode 3b constituting the above are arranged.

With this structure, only one side of the user's buttocks or thighs contacts the electrodes 3a and 3b.

In the case of the constructions described in Embodiments 1 to 4, the thighs and the like of both feet of the user are in contact with each other between the electrodes. Therefore, the user can
Like when you are sitting shallow or deep
The length of the human body in contact between the electrodes varies depending on the sitting position. In this point, in the case of the configuration of this embodiment, since only the thigh of one leg contacts the electrodes 3a and 3b, the length of the human body contacting between the electrodes is very stable. Is. That is, the impedance of the human body to be measured is stable. Therefore, according to this example, the measurement of the body fat percentage can be performed stably.

As described above, according to this embodiment, a toilet seat having a pair of electrodes arranged only on the left side or the right side of the long diameter portion,
The present invention is to realize a body fat meter capable of stably measuring the body fat percentage, as a configuration including an input means for inputting a body weight value and measuring the body fat percentage from the impedance between the electrodes and the body weight value. .

(Sixth Embodiment) Next, a sixth embodiment of the present invention will be described. FIG. 7 is a block diagram showing the configuration of this embodiment. In this embodiment, the electrodes 3a and 3b are arranged on the backrest 13 of the toilet seat 2.

The operation of this embodiment will be described below.
An electrode 3a provided with instructions for use on the backrest portion 13 of the toilet seat 2
The user sits on the toilet seat 2 so that the buttocks are in contact with the electrode 3b and executes the daily lifestyle. At this time, electrode 3
The human body that contacts a and the electrode 3b is the buttocks, and the length of the human body that contacts between the electrodes is very stable, as in the fifth embodiment.

That is, the impedance of the human body to be measured is stable. Therefore, the measurement of the body fat percentage can be stably performed also in this example.

As described above, according to this embodiment, a pair of electrodes 3a3b arranged on the backrest portion 13 of the toilet seat 2 and
A body fat meter capable of stably measuring the body fat percentage is provided, which is provided with an input means 7 for inputting the body weight value and has a configuration for measuring the body fat percentage from the impedance between the electrodes and the body weight value. It is a thing.

[0038]

The invention described in claim 1 comprises a toilet foot mat in which at least one pair of electrodes is arranged, and an input means for inputting a weight value, and the impedance between the electrodes and the weight value are used. As a configuration for measuring the body fat percentage, a body fat meter capable of measuring the body fat percentage while performing daily living habits in the toilet is used.

The invention according to claim 2 comprises a toilet seat, a handle having at least one pair of electrodes arranged in the vicinity of the toilet seat, and an input means for inputting a weight value, and the impedance between the electrodes and the As a configuration for measuring the body fat percentage from the weight value, a body fat meter capable of measuring the body fat percentage while performing daily living habits in the toilet is realized.

The invention according to claim 3 is provided with a toilet foot mat on which electrodes for applying a voltage are arranged, a toilet seat on which measuring electrodes are arranged, and an input means for inputting a weight value, and impedance between the electrodes is provided. A body fat meter capable of accurately measuring the body fat percentage while performing daily living habits in the toilet, as a configuration for measuring the body fat percentage from the body fat amount measured by the four-electrode method and the weight value To do.

The invention according to claim 4 is provided with a toilet seat having a pair of electrodes arranged only on the left side or the right side of the long diameter portion and an input means for inputting a weight value, and the impedance between the electrodes and the weight value are provided. As a configuration for measuring the body fat percentage from the above, a body fat meter capable of accurately measuring the body fat percentage while performing daily living habits in the toilet is realized.

The invention according to claim 5 is provided with a pair of electrodes arranged on the back portion of the toilet seat and an input means for inputting a weight value, and the body fat percentage is calculated from the impedance between the electrodes and the weight value. As a configuration for measuring, a body fat meter capable of accurately measuring a body fat percentage while performing daily living habits in a toilet is realized.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a body fat meter according to a first embodiment of the present invention.

FIG. 2 is a connection diagram showing the configuration of the body fat sensor.

FIG. 3 is a block diagram showing a configuration of a body fat meter which is a second embodiment of the present invention.

FIG. 4 is a block diagram showing a configuration of a body fat meter that is a third embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a body fat meter that is a fourth embodiment of the present invention.

FIG. 6 is a connection diagram showing the configuration of the body fat sensor.

FIG. 7 is a block diagram showing the configuration of a body fat meter that is a fifth embodiment of the present invention.

FIG. 8 is a block diagram showing the configuration of a body fat meter that is a sixth embodiment of the present invention.

[Explanation of symbols]

2 toilet seat 3 body fat sensor 3a electrode 3b electrode 4 Body fat measuring means 5 Control means 6 Display means 7 Weight input means 11a Application electrode 11b Application electrode 12a measuring electrode 12b Measuring electrode 13 Backrest

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuhiro Kawamoto 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Tetsuo Obata, 1006 Kadoma, Kadoma, Osaka Matsushita Electric Industrial Co., Ltd. (56) Reference JP-A-9-119859 (JP, A) JP-A-8-131404 (JP, A) JP-A-5-228116 (JP, A) JP-A-9-285455 (JP, A) JP 11-347007 (JP, A) JP 2000-83867 (JP, A) JP 2000-126088 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) A61B 5 / 05 A47K 13/00-13/30 A47K 17/02

Claims (5)

(57) [Claims] 1. A body fat meter for measuring a body fat percentage based on the impedance between the electrodes and the weight value, comprising a foot mat for a toilet in which at least one pair of electrodes are arranged and an input means for inputting the weight value. . 2. A toilet seat, a handle having at least one pair of electrodes arranged near the toilet seat, and an input means for inputting a weight value, and a body fat percentage based on the impedance between the electrodes and the weight value. Body fat meter to measure. 3. A toilet foot mat on which electrodes for applying voltage are arranged, a toilet seat on which measuring electrodes are arranged, and an input means for inputting a weight value, and impedance between the electrodes is measured by a four-electrode method. A body fat meter for measuring a body fat percentage from the body fat amount and the body weight value. 4. A toilet seat having a pair of electrodes arranged only on the left side or the right side of the long diameter portion and an input means for inputting a weight value, and the body fat percentage is measured from the impedance between the electrodes and the weight value. Body fat meter 5. A body fat meter which comprises a pair of electrodes arranged on a backrest portion of a toilet seat and an input means for inputting a weight value, and which measures a body fat percentage from the impedance between the electrodes and the weight value.