JP2000126088A - Body fat measuring toilet seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To directly measure impedance around the hips easily putting on fat on the basis of a stable measuring position and to accurately measure a body fat rate. SOLUTION: Two pairs of first and second electrodes 1 and 2 comprising current carrying electrodes 11 and 21 for applying high frequency signals to the buttocks of a body, and electric potential measuring electrodes 12 and 22 for measuring the resistance potential of the buttocks of the body are provided at lateral parts 31 and 32 of a toilet seat 3, and a computing device 4 is provided to compute a body fat rate by impedance measurement of the body interior between the lateral parts 31 and 32 and the buttocks of the body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a toilet seat provided with a pair of an energizing electrode for applying a high-frequency signal to the buttocks of the body and a potential measuring electrode for measuring the resistance potential of the buttocks of the body. The present invention relates to a body fat measurement toilet seat provided with a calculating device for calculating a body fat percentage by measuring the impedance inside the body at the buttocks.

[0002]

2. Description of the Related Art The above conventional body fat measuring device (Japanese Patent Laid-Open No.
051242) is to measure body fat from body impedance between hands by gripping the grip portions G1 and G2 formed on both sides of the main body H with both hands as shown in FIG. . Others measure body fat from body impedance between the feet.

[0003]

The above-mentioned conventional body fat measuring device measures body fat from the body impedance between hands, so that the body impedance is affected by the intake of water by eating and drinking. Even during a day, there is a problem that the measured values vary because the body impedance changes with the passage of time.

In addition, since the body impedance between hands is measured, the impedance of hands, arms, shoulders, and chest is measured. Fat is easily attached, and the waist circumference is not directly measured. It was necessary to touch the electrodes correctly, and it was necessary to hold the hand at the target position between hands.

In the case of measuring body fat from the body impedance between the foot and the foot, particularly, the sole of the foot tends to form a stratum corneum, so that the resistance is large, and it is necessary to correctly contact the electrodes, and the foot and the foot are measured. There is a problem in that it is necessary to stand in accordance with the target position between the electrodes, and there is a case where accurate current application or potential measurement cannot be performed due to a change in contact resistance with the current-carrying electrode or the potential measurement electrode.

Therefore, the present inventor has proposed a pair of high-frequency signals provided on the toilet seat for applying a current to the buttocks of the body and a potential measuring electrode for measuring the resistance potential of the buttocks of the body. The first technical idea of the present invention of measuring the impedance inside the body and calculating the body fat percentage based on the measured impedance,
A first pair of high-frequency signals provided on the toilet seat, a current-carrying electrode for applying a high-frequency signal to the buttocks of the body, and a potential measurement electrode for measuring the resistance potential of the body buttocks, and a second pair of electrodes provided around the toilet seat Between the buttocks and the other parts of the body by means of an energizing electrode for applying a high-frequency signal to other parts of the body and a potential measuring electrode for measuring the resistance potential of the other parts of the body. Measure the internal impedance,
Focusing on the second technical concept of the present invention of calculating the body fat ratio of the waist by the measured impedance, as a result of further research and development, the butt has no stratum corneum and the contact state with the electrode is stable It is not affected by water intake and can be measured regularly.Accurate current application or potential measurement is possible due to the change in contact resistance with the current-carrying or potential-measuring electrode. The present invention has been achieved which achieves the object of enabling the direct measurement of the impedance around the waist, which tends to stick to fat, based on the above.

[0007]

The body fat measuring toilet seat of the present invention (the first invention according to claim 1) is a current-carrying electrode for applying a high-frequency signal to the body butt and a resistance potential of the body butt. Is provided on the toilet seat, and a calculating device is provided for calculating the body fat percentage by measuring the impedance inside the body at the buttocks of the body.

The body fat measuring toilet seat according to the present invention (the second invention according to claim 2) is an energizing electrode for applying a high-frequency signal to the buttocks of the body and a potential measuring electrode for measuring the resistance potential of the buttocks of the body. At least a first pair of electrodes is provided on the toilet seat, and a second pair of energizing electrodes for applying a high-frequency signal to other parts of the body and potential measuring electrodes for measuring the resistance potential of other parts of the body are provided on the toilet seat. And a calculating device for calculating a body fat percentage by measuring impedance inside the body between the buttocks and the other parts of the body.

[0009] In the body fat measuring toilet seat according to the present invention (the third aspect of the present invention), in the second aspect, the first and second pair of electrodes are disposed on left and right portions of the toilet seat, respectively. Then, the impedance inside the body between the right and left hips of the body is measured.

In the body fat measuring toilet seat according to the present invention (the fourth invention according to claim 4), in the second invention, the first pair of electrodes is disposed on one of right and left portions of the toilet seat. The second pair of electrodes is disposed on an inner surface of a toilet lid that covers the toilet seat, and is configured to measure the impedance inside the body between one of the right and left hips and the waist of the body. Is what is being done.

[0011] In the body fat measuring toilet seat according to the present invention (fifth invention according to claim 5), in the second invention, the first pair of electrodes is disposed on one of left and right portions of the toilet seat. And disposing the second pair of electrodes on a hand grip formed so as to protrude from the main body to measure the impedance inside the body between one of the right and left buttocks of the body and the hand. It is configured.

[0012] In the body fat measuring toilet seat according to the present invention (a sixth aspect of the present invention), in the second aspect, the first pair of electrodes is disposed on one of right and left portions of the toilet seat. The second pair of electrodes is disposed on a hand grip formed to protrude from the front or side wall of the toilet, and between the left and right hips of the body and the hand extended forward. It is configured to measure the impedance inside the body.

A body fat measuring toilet seat according to the present invention (a seventh invention according to claim 7) is the toilet seat according to the second invention, wherein the second pair of electrodes is detachably disposed around the toilet seat. It is.

[0014] In the body fat measuring toilet seat according to the present invention (the eighth aspect of the present invention), in the third aspect, the first and second pair of electrodes are disposed on a surface of the toilet seat. It has a configuration in which the connection portion with the lead wire on the back surface is maintained in a liquid-tight manner.

[0015]

According to the first aspect of the present invention, the body fat measuring toilet seat of the present invention applies a high-frequency signal to the buttocks of the body using a pair of conducting electrodes provided on the toilet seat, and uses the potential measuring electrodes to apply a high-frequency signal to the body. Since the body potential is calculated by measuring the resistance potential of the buttocks of the body and measuring the impedance of the inside of the body of the buttocks of the body by the calculating device, the buttocks have no stratum corneum and the contact state with the electrodes It is stable and can be measured after defecation and urination, so that it is not affected by water intake, can be measured periodically, and has an effect that accurate current application or potential measurement can be performed.

The body fat measuring toilet seat according to the second aspect of the present invention, wherein a high frequency signal is applied to the buttocks of the body by the first pair of conducting electrodes provided on the toilet seat, and the body is measured by the potential measuring electrodes. Measure the resistance potential at the bottom of the
The second pair of energizing electrodes provided around the toilet seat apply a high-frequency signal to other parts of the body, and the potential measurement electrodes measure the resistance potential of other parts of the body. The device calculates the body fat percentage by measuring the impedance inside the body between the buttocks and the other parts of the body, so that the buttocks have no stratum corneum, and the contact state with the electrodes is stable, and defecation and Because it can be measured after urination, it is not affected by water intake and can be measured regularly.Accurate current application or potential measurement is possible due to contact resistance change with the current-carrying electrode or potential measurement electrode,
This has the effect of enabling direct measurement of the impedance around the waist, where fat tends to stick, based on the stable measurement position.

In the body fat measuring toilet seat according to a third aspect of the present invention, the first and second pair of electrodes are disposed on left and right portions of the toilet seat, respectively. Since the impedance inside the body between the right and left hips is measured, the hips have no stratum corneum and the contact state with the electrodes is stable, and can be measured after defecation and urination. Measurement is possible, accurate current application or potential measurement is possible due to the change in contact resistance with the current-carrying electrode or potential measurement electrode, and the direct measurement of impedance based on a stable measurement position is possible. To play.

In the body fat measuring toilet seat according to a fourth aspect of the present invention, in the second aspect, the first pair of electrodes is disposed on one of left and right portions of the toilet seat, and the second pair of electrodes is arranged on the second side. Is disposed on the inner surface of the toilet lid covering the toilet seat, and measures the impedance inside the body between one of the left and right hips and the waist, so that the fat based on the stable measurement position This has the effect of enabling direct measurement of the impedance around the waist, which tends to stick.

In the body fat measuring toilet seat according to a fifth aspect of the present invention, in the second aspect, the first pair of electrodes is disposed on one of left and right portions of the toilet seat, and the second pair of electrodes is arranged on the second side. The electrodes are disposed on a hand grip formed on the main body to measure the impedance inside the body between one of the right and left hips of the body and the hand. This has the effect of enabling the direct measurement of the impedance of the main part of the body not only around the waist, which tends to be fat, but also over the abdomen, chest and arms.

In the body fat measuring toilet seat according to a sixth aspect of the present invention, in the second aspect, the first pair of electrodes is disposed on one of left and right portions of the toilet seat, and the second pair of electrodes is arranged on the second side. Are disposed on the hand grip formed by protruding from the front or side wall of the toilet, and the impedance inside the body between one of the right and left buttocks of the body and the hand extended forward is provided. Since the measurement is performed, it is possible to directly measure the impedance of the main part of the body over the abdomen, the chest, and the extended arm, as well as the waist around the greasy part based on the stable measurement position.

In the body fat measuring toilet seat according to the seventh aspect of the present invention, the second pair of electrodes is detachably disposed around the toilet seat in the second aspect of the present invention. The electrode can be measured at an optimal position according to the user's preference, and can be removed when cleaning or other unnecessary conditions are required.

In the body fat measuring toilet seat according to an eighth aspect of the present invention, in the third aspect, the first and second pair of electrodes are disposed on a front surface of the toilet seat, and are connected to a lead wire on the back surface. Since the connection portion is maintained in a liquid-tight manner, an effect of enabling stable and safe use in a shower toilet is achieved.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings.

(First Embodiment) As shown in FIGS. 1 to 3, the body fat measuring toilet seat according to the first embodiment includes current-carrying electrodes 11, 21 for applying a high-frequency signal to the buttocks of the body and the body's body. A potential measuring electrode 12 for measuring the resistance potential of the buttocks,
22 first and second two pairs of electrodes 1 and 2 are provided on the left and right portions 31 and 32 of the toilet seat 3, respectively, and the body is measured by measuring the impedance inside the body between the left and right portions of the buttocks of the body. It is provided with a calculating device 4 for calculating a fat percentage.

As shown in FIG. 1, the toilet seat 3 is slidably mounted on a toilet bowl 30 having a main body 33 protrudingly formed on the right side with an operation section 34 disposed on the upper surface thereof. The toilet lid 37 is slidably mounted on the toilet.

A first electrode 11 for applying a high-frequency signal to the left part of the buttocks of the body and a first electrode 12 for measuring the resistance potential of the left part of the buttocks of the body.
Electrode pair 1 is disposed at the rear left portion 31 of the toilet seat 3, the second energizing electrode 21 for applying a high-frequency signal to the right portion of the body butt, and the resistance potential of the right portion of the body butt. A second electrode pair 2 including a second potential measuring electrode 22 for measuring the electric potential of the toilet seat 3 is disposed on the rear right portion 32 of the toilet seat 3.

The first and second current-carrying electrodes 11, 2
1 is connected to the high-frequency generator 40 as shown in FIG. 2 and configured to apply a high-frequency signal of 1 mA or less × 50 kHz to the left and right parts of the buttocks of the body, and Potential measurement electrodes 12 and 22 for measuring the resistance potential of the buttocks of the body are arranged in close proximity to the current-carrying electrodes 11 and 21 at a fixed distance.

The calculating device 4 determines that the capacitor C and the resistor R are equivalently equivalent to the right and left portions of the buttocks of the body with which the first and second potential measuring electrodes 12 and 22 are in contact. And a signal processing unit 41 for calculating a body fat percentage by measuring impedance inside the body, which is considered to be connected to the main body 33.

The data input section 42 inputs data for inputting gender, age, height, weight, etc., which are necessary data for calculating body fat from body impedance.
The display unit 43 displays the calculated body fat percentage, and is arranged side by side on the upper surface of the main body 33 in which the operation unit 34 is arranged as shown in FIG. .

The toilet seat for measuring body fat according to the first embodiment having the above-described structure comprises the first and second pair of electrodes 11, 1
2, 21 and 22 are connected to the rear left and right portions 31, 32 of the toilet seat 3.
High-frequency signals are applied to the left and right hips of the body from the first and second current-carrying electrodes 11 and 21, and the left and right hips of the body are applied by the potential measurement electrodes 12 and 22. The calculation device 4 measures the resistance potential between the
The body fat percentage is calculated based on the impedance inside the body measured by the above, and is calculated by the display unit 43 to display the body fat percentage.

The procedure for measuring the body fat measurement toilet seat of the first embodiment will be described with reference to the flowchart shown in FIG. In step 100, the body fat measurement mode switch is turned on, and in step 101, the operation processing of other functions of washing and drying is stopped.

In step 102, measurement preparation processing is performed. In step 103, gender, age, height, weight, etc., which are data necessary for specifying the body of the subject, are input and processed. In step 104, REA
Check whether the state is the DY state, and in step 105,
It is checked whether the start switch is on.

In step 106, a time delay process for several seconds is performed. In step 107, a measurement start notification process is performed. In step 108, whether the measured value of the impedance between the right and left parts of the buttocks is stable in a normal range is determined. Is confirmed.

If it is determined in step 109 that the seating on the toilet seat 3 is biased or that the seat is not normal and stable as in the case where the seat is not seated in an upright posture, in step 119, the toilet seat 3 and The user is notified to sit correctly on the electrode pairs 1 and 2.

When the subject is properly seated on the toilet seat 3 and the electrodes 1 and 2, measurement and calculation processing are performed in step 111, and when the calculation is completed, step 11 is performed.
In step 2, a measurement end notification process is performed.
At step 3, notification processing of the measurement result is performed, and the display unit 4
3 displays the body fat percentage and the like which are the measurement results.

In step 114, the operation of the other functions such as cleaning and drying is returned.

The body fat measuring toilet seat according to the first embodiment having the above-described operation measures the impedance inside the body between the right and left hips of the body, so that the hip has no stratum corneum and is covered with clothing. Therefore, the surface state and temperature are stable, and the first and second current-carrying electrodes 1
1 and 21 and the first and second potential measuring electrodes 12 and 22 can be stably contacted.

In the body fat measuring toilet seat of the first embodiment, since the position of the toilet seat 3 is determined by the individual and the shape of the toilet seat, the seat is normally seated and stable seating and contact with the electrode can be obtained. In addition to playing, even if the seating is shifted, the subject's seating on the toilet seat 3 is shifted from the unbalance of the resistance potentials detected by the first and second potential measuring electrodes 12 and 22. When checked, an effect of enabling measurement by uniform sitting can be obtained.

Further, the body fat measuring toilet seat of the first embodiment is
Since the body fat percentage is measured by disposing the first and second pair of electrodes 1 and 2 on the toilet seat 3, the body fat percentage in a state where the water in the body after urination and defecation is constant and stable. This makes it possible to increase the reliability of data.

Further, the body fat measuring toilet seat of the first embodiment has an effect that it is possible to suppress the adverse effect of the measurement due to the variation of the measurement time since the time for going to the toilet by each individual is almost fixed.

Further, the body fat measuring toilet seat of the first embodiment is
Since the impedance inside the body between the right and left hips of the body is measured, it is possible to directly measure the impedance around the waist where fat easily adheres, and it is possible to achieve an accurate body fat measurement.

(Second Embodiment) As shown in FIGS. 5 to 7, a body fat measuring toilet seat according to a second embodiment comprises an energizing electrode 11 for applying a high-frequency signal to a body butt and a body butt. At least a first pair of potential measuring electrodes 12 for measuring the resistance potential of the body is provided on the toilet seat 3, and the resistance potentials of the energizing electrode 23 for applying a high-frequency signal to other parts of the body and other parts of the body are measured. A calculating device for providing a second pair of potential measuring electrodes 24 around the toilet seat 3 and calculating a body fat percentage by measuring impedance inside the body between the buttocks and the other parts of the body 4 and only the differences from the first embodiment will be described.

The first pair of electrodes 11 and 12 are disposed on the rear left portion 31 of the toilet seat 3, and the second pair of electrodes are formed on a main body 33 by holding a hand grip 35. And configured to measure the impedance inside the body between the left buttocks of the body and the hand.

The grip portion 35 is formed of a U-shaped member, and the vertical portions 351 and 352 at both ends are
3 and are integrally planted in the vertical portions 351 and 352 at both ends.
The current-carrying electrode 23 is provided at one end of a rod 350 slightly longer than the width of the palm connecting the two, and the potential is measured on the rod 350 at a portion (the other end) slightly away from the current-carrying electrode 23. Electrode 24 is provided. Therefore, when the subject grips the grip 35 with the right hand, the subject comes into contact with the energizing electrode 23 and the potential measuring electrode 24 simultaneously.

The body fat measuring toilet seat according to the second embodiment having the above-described configuration uses the first energizing electrode 11 provided on the toilet seat 3 for measuring the impedance inside the body between the left buttocks of the body. A high-frequency signal is applied to the buttocks of the body, the potential measurement electrode 12 measures the resistance potential of the buttocks of the body, and the grip portion 35 provided on the main body 33 around the toilet seat 3 is provided. Second energizing electrode 23
To apply a high-frequency signal to the right hand as the other part of the body, and measure the resistance potential of the other part of the body by the potential measuring electrode 24, and calculate the resistance part of the body and the other part by the calculating device 4. The body fat percentage is calculated by measuring the impedance inside the body between the hand as the part.

At step 109 in the body fat measurement procedure of the body fat measurement toilet seat according to the second embodiment shown in FIG. 8, if the seating on the toilet seat 3 is biased, the seat is not seated in the upright posture, If it is determined that the seat 35 is not normal and not stable as in the case where the user does not firmly grip the part 35, the toilet seat 3 and the electrodes 1, 2 are determined in step 210.
The difference from the first embodiment is that the notification is made so that the user is seated correctly on the top and the grip is firmly gripped, and the other points are the same.

In the body fat measuring toilet seat according to the second embodiment having the above-described operation, since the body fat percentage is calculated by measuring the impedance inside the body between the buttocks on the left side of the body and the right hand, the body fat is attached. It is possible to directly measure the impedance of the main part of the body not only around the waist but also the abdomen, chest and arms, and to calculate the body fat percentage.

In the body fat measuring toilet seat of the second embodiment, a high-frequency signal is applied to the buttocks of the body by the first energizing electrode 11 provided on the toilet seat 3, and the body is measured by the potential measuring electrode 12. Since the resistance potential of the buttocks is measured,
As in the embodiment, the buttocks have no stratum corneum and the state of contact with the electrodes is stable, not affected by water intake, can be measured regularly, and can be in contact with the current-carrying electrode or the potential measurement electrode. Due to the resistance change, accurate current application or potential measurement can be performed, and the effect of enabling the calculation of the body fat percentage around the waist, where the fat easily adheres, can be calculated based on the stable measurement position.

Further, when the body fat percentage is calculated between the hand and the buttocks in the body fat measuring toilet seat according to the second embodiment, the amount of fluctuation of the measured value at a plurality of measurement times is calculated using the conventional hand-to-hand And between the hand and the foot and between the foot and the foot under the same conditions as in the second embodiment. As is clear from FIG. 9, it is confirmed that the variation amount of the measurement value at the plurality of measurement times is the smallest in the second embodiment, and the measurement variation due to the variation in the measurement time is small.

(Third Embodiment) In a body fat measuring toilet seat according to a third embodiment, as shown in FIG. 10, the first pair of electrodes 1 is arranged on one of the rear left portions of the toilet seat 3. In addition, the second pair of electrodes is disposed on a hand grip portion 36 formed to protrude from a front wall surface of the toilet bowl 30, and one of the left and right hips of the body and a hand extended forward. It is configured to measure the impedance inside the body between and, and the description will focus on the differences.

The grip 36 has the same configuration as that of the second embodiment except that it is formed so as to protrude from the front wall of the toilet 30.

In the body fat measuring toilet seat according to the third embodiment having the above-described configuration, the first pair of electrodes 1 is disposed on the left portion 31 of the toilet seat 3 and the second pair of electrodes 2 is
Since it is disposed on the grip portion 36 of the hand that protrudes from the front wall surface of the toilet 30 and measures the impedance inside the body between the left buttocks of the body and the hand extended forward, It is possible to directly measure the impedance of the main part of the body over the abdomen, the chest and the extended arm as well as to calculate the body fat percentage based on the stable measurement position, as well as the waist around which the fat tends to stick.

The body fat measuring toilet seat according to the third embodiment measures impedance and calculates the body fat percentage via the extended arm, so that depending on how the arm bends and the contact state between the arm and the body, the body fat measuring toilet seat can be used. This has the effect of preventing the impedance from becoming unstable and enabling accurate and reliable calculation of the body fat percentage.

Further, the body fat measurement toilet seat of the third embodiment is
If the arm does not extend when the grip 36 formed on the front wall of the toilet 30 is grasped, the grip 36 is detachable and the grip 36 is removed from the front wall. It is also possible to measure in a toilet with the arm extended.

(Fourth Embodiment) In a body fat measuring toilet seat according to a fourth embodiment, as shown in FIG. 11, the first pair of electrodes 1 is disposed on one of the left and right portions of the toilet seat 3. At the same time, the second pair of electrodes 2 is disposed on a protruding portion 371 on the inner surface of the toilet lid 37 that covers the toilet seat 3 so that the body between one of the right and left hips of the body and the back of the waist is provided. It is configured to measure internal impedance.

The toilet seat for body fat measurement according to the fourth embodiment having the above-described structure comprises the first pair of electrodes 1 disposed on one of the left and right portions of the toilet seat 3 and the toilet lid for covering the toilet seat 3. With the second pair of electrodes 2 disposed on the protrusion 371 on the inner surface of the body 37, the impedance inside the body between one of the right and left hips and the waist of the body is measured.
It is possible to directly measure the impedance around the waist and easily calculate the body fat percentage based on the stable measurement position.

(Fifth Embodiment) The body fat measurement toilet seat of the fifth embodiment is, as shown in FIG. 12, the first and second toilet seats arranged on the toilet seat in the first embodiment described above.
Are disposed on the surface of the toilet seat 3,
A structure is provided in which a connection portion with the lead wire 46 on the back surface is kept liquid-tight.

That is, in the case of a heated toilet seat, a heater, a thermistor and other electric parts are built in the toilet seat 3 so as to prevent water, urine, toilet cleaner and the like from penetrating into the toilet seat 3 to prevent corrosion damage. , Seat plate 301 and back plate 30 of the toilet seat
2 is configured such that watertightness is maintained by adhesion or welding.

Therefore, the electrodes 1 and 2, such as the current-carrying electrode and the potential-measuring electrode, provided on the toilet seat,
As shown in (A), the outer peripheral portion is bent into an L-shape to form a U-shaped cross section, and buried in the surface of the toilet seat 3 to prevent water from entering into the water due to the labyrinth effect of the L-shaped structure. Electrode insert molding is employed.

As shown in FIG. 13 (B), a conductive film is stuck on the electrodes 1 and 2 and
A structure in which an adhesive sealing material such as a double-sided tape is interposed on the lower surface of the device to prevent water from entering the inside can also be adopted.

In the body fat measuring toilet seat according to the fifth embodiment having the above-described configuration, the first and second pair of electrodes 1 and 2 are configured as follows.
Since it is arranged on the front surface of the toilet seat 3 and the connection portion with the lead wire 46 on the rear surface is maintained in a liquid-tight manner, it has an effect of enabling stable and safe use in shower toilets and general toilets.

The above-described embodiments are exemplifications for explanation, and the present invention is not limited to these embodiments. Those skilled in the art will recognize from the claims, the detailed description of the invention, and the drawings. Modifications and additions are possible without departing from the technical idea of the present invention.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a body fat measurement toilet seat according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a circuit diagram of a body fat measurement toilet seat according to the first embodiment.

FIG. 3 is a plan view showing a state where the subject is seated on the body fat measurement toilet seat of the first embodiment.

FIG. 4 is a chart showing a measurement procedure in the body fat measurement toilet seat of the first embodiment.

FIG. 5 is a perspective view showing a body fat measurement toilet seat according to a second embodiment of the present invention.

FIG. 6 is a block diagram showing a circuit diagram of a body fat measurement toilet seat according to the second embodiment.

FIG. 7 is a plan view showing a state where a subject is seated on a body fat measurement toilet seat according to the second embodiment.

FIG. 8 is a chart showing a measurement procedure in the body fat measurement toilet seat of the second embodiment.

FIG. 9 shows a case where body fat is measured between a hip and a hand in the second embodiment, and a case where body fat is measured between a conventional hand and hand, between a hand and foot, and between a foot and foot. It is the diagram which compared the dispersion | variation of the measured value at the measurement time at the time of performing a measurement.

FIG. 10 is a side view showing a state in which a subject is seated on a body fat measurement toilet seat according to a third embodiment of the present invention.

FIG. 11 is a side view showing a state where a subject is seated on a body fat measurement toilet seat according to a fourth embodiment of the present invention.

FIG. 12 is a cross-sectional view showing a body fat measurement toilet seat having a liquid-tight structure according to a fifth embodiment of the present invention.

FIG. 13 shows a second embodiment of the body fat measurement toilet seat according to the fifth embodiment.
It is a partial expanded sectional view which shows a kind of liquid tight structure.

FIG. 14 is a perspective view showing a conventional body fat measurement device.

[Explanation of symbols]

 1, 2 Electrode pair 11, 21 Electrode for conduction 12, 22 Electrode for potential measurement 3 Toilet seat 31 Left part 32 Right part 4 Calculation device

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Takahiro Toyama 2-1-1 Asahicho, Kariya-shi, Aichi Aisin Seiki Co., Ltd. (72) Inventor Tsuneo Chinsai 5-4-6 Higashi-Gotanda, Shinagawa-ku, Tokyo (72 ) Inventor Takashi Isoyama 4-8-RA-305 F-term (reference) 4-8 Komaba, Meguro-ku, Tokyo 2D037 AD00 4C027 AA06 EE01 GG00 HH11 KK00

Claims (8)

[Claims] 1. A toilet seat comprising a pair of a current-carrying electrode for applying a high-frequency signal to the body's buttocks and a potential measurement electrode for measuring a resistance potential of the body's buttocks. A body fat measuring toilet seat comprising a calculating device for calculating a body fat percentage by impedance measurement. 2. A toilet seat comprising at least a first pair of an energizing electrode for applying a high-frequency signal to the hips of the body and a potential measuring electrode for measuring a resistance potential of the hips of the body. A second pair of a conducting electrode applied to the part and a potential measuring electrode for measuring the resistance potential of the other part of the body is provided around the toilet seat, and the butt part of the body and the other part A body fat measuring toilet seat, comprising: a calculating device for calculating a body fat percentage by measuring an impedance inside a body. 3. The body according to claim 2, wherein the first and second pair of electrodes are disposed on left and right portions of the toilet seat, respectively, and impedance inside the body is measured between right and left hips of the body. A toilet seat for measuring body fat, characterized in that the toilet seat is configured to perform the measurement. 4. The toilet seat according to claim 2, wherein the first pair of electrodes is disposed on one of left and right portions of the toilet seat, and the second pair of electrodes is disposed on an inner surface of a toilet lid that covers the toilet seat. A body fat measuring toilet seat, wherein the body fat measuring seat is configured to measure an impedance inside the body between one of the right and left buttocks and the waist of the body. 5. The hand grip according to claim 2, wherein the first pair of electrodes is disposed on one of left and right portions of the toilet seat, and the second pair of electrodes protrudes from a main body. A body fat measurement toilet seat, which is arranged in a part, and is configured to measure an impedance inside the body between one of right and left buttocks of the body and a hand. 6. The toilet according to claim 2, wherein the first pair of electrodes is disposed on one of right and left portions of the toilet seat, and the second pair of electrodes protrudes from a front or side wall surface of the toilet. It is arranged on the grip part of the formed hand, and is configured to measure the impedance inside the body between one of the right and left buttocks of the body and the hand extended forward. Body fat measurement toilet seat. 7. The body fat measurement toilet seat according to claim 2, wherein the second pair of electrodes is detachably disposed around the toilet seat. 8. The apparatus according to claim 3, wherein the first and second pair of electrodes are arranged on a front surface of the toilet seat, and a connection portion with a lead wire on a back surface is maintained in a liquid-tight manner. A toilet seat for measuring body fat, characterized in that: