JP3028986U - Portable body fat measuring device - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: A portable body fat measuring device having reproducible measured values and capable of discriminating whether or not the body fat is within an appropriate range according to an inputted age, height and weight of an individual. I will provide a. SOLUTION: Two gripping parts 14 _1, 14 which are electrically insulated from each other and have two contact electrodes E _1, E ₂ ; E _3, E ₄ which come into contact with the skin of the palm, and which can be gripped by a measurer's hand. ₂ and
Analog detection in which a specific electric potential is applied to _one electrode E _{1 ,} ; E ₃ of each gripping portion 14 _1, 14 ₂ and the electric potential between the other electrodes E _{2 ,} ; E ₄ is measured to measure the amount of body fat. A circuit, an operation unit for inputting the age, sex, and weight of the measurer, a display unit that can display numerical values, and a digital arithmetic circuit that determines whether the fat mass is appropriate or not based on the input values and the detected fat mass. In a portable body fat measuring device having a body 12 provided with,
The two grips 14 _{1 and} 14 ₂ are connected to the main body 12 by foldable joints 16 _{1 and} 16 _{2 ,} respectively, and can be folded into the same size as the main body 12 when not in use.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

 The present invention relates to a portable body fat measuring device that is portable and capable of measuring body fat.

[0002]

[Prior art]

 This type of body fat measuring device has already been proposed by the present applicant in JP-A-63-188004. This body fat measuring device has a shape of a pocket size or a money card size, and can measure body fat by the so-called four-terminal electrode method. Therefore, it is suitable for personal use because it is portable and convenient to use anytime. The detection terminals are provided on two contact parts, and these contact parts are pressed by the fingers of both hands, that is, the thumb or the index finger, and the body fat between the both hands is measured. Therefore, each contact part consists of one terminal for applying a potential and one terminal for measuring the current value. This body fat measuring device determines whether or not the body fat is within an appropriate range according to the input individual's age, height, and weight based on the measured value of body fat and a predetermined calculation formula built into the device. Can be determined.

However, in the above-mentioned portable body fat measuring device of the present applicant, since the contact area between the body and the terminal electrode is extremely small, poor contact is likely to occur and the contact state is the surface of the finger. The extreme sensitivity to conditions gives poorly reproducible measurements.

[0004]

[Problems to be solved by the device]

 An object of this invention is to provide a portable body fat measuring device which has reproducible measurement values and can determine whether or not the body fat is within an appropriate range according to the inputted age, height and body weight of the individual. To do.

[0005]

[Means for Solving the Problems]

The above problem is, this invention, each electrically isolated from one another, the two contact electrodes E _1, E ₂ in contact with the palm of the skin; has E _3, E _4, two gripping that grasped by the hand of the measurer part ₁₄ 1, and 14 _2, each gripping portion ₁₄ 1, 14 one electrode E ₁ of _2; and applying a specific electric position to E _3, the other electrode E _2; and measuring the potential between E ₄ Analog detection circuit that measures the amount of body fat, the operation unit that inputs the age, sex, and weight of the measurer, the display unit that can display numerical values, and the body fat amount calculated from the input numerical value and the detected body fat amount. A portable body fat measuring device comprising a main body 12 equipped with a digital arithmetic circuit for discriminating between suitability and non-suitability, wherein the two gripping parts 14 _1, 14 ₂ are joints 16 ₁ foldable on the main body 12, respectively. _, 16 ₂ and can be folded to the same size as the main body 12 when not in use. Is solved by.

Other advantageous configurations according to the invention are described in the dependent claims of the utility model registration claim.

[0007]

[Embodiment of device]

 In the body fat measuring device according to the present invention, the terminal electrode is provided in two thin plate-like grips foldably attached to the measuring body. In a particularly advantageous configuration, the grip is made of a flexible material that bends when gripped. Therefore, the contact area between the body and the terminal electrode is considerably wide because it is the palm part, and reproducibility of the measured value is remarkably improved.

This gripping part does not necessarily have to be a thin plate shape, and even if it has a rod shape such as a round shape, an oval shape, an oval shape or the like, as long as it can be folded and stacked on the main body. Can be adopted.

[0009]

【Example】

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings based on preferred embodiments. FIG. 1 shows the body fat measuring device according to the present invention with the front side in use. This body fat measuring device is composed of a measuring main body 12 and two gripping parts 14 _1, 14 ₂ arranged on the left and right sides of the measuring main body 12.

The measurement main body 12 has a display unit 22 having a liquid crystal display window on its surface, two keys 24 _{1 and} 24 ₂ for inputting numerical values, an input function switching key 26, and an arithmetic function switching key. And 28. The body 12 has an analog detection circuit for measuring the body impedance, and the body fat that is suitable for the person according to the measured value of the body impedance and the input value of the age, height, and weight of the person. It has a built-in digital circuit (which is usually composed of a microprocessor, ROM, and RAM, as is well known) that calculates the range of values. The basic circuits of these are already proposed in Japanese Patent Laid-Open No. 337097/1993 by the present applicant, and a detailed description thereof will be omitted.

The right-handed grip portion 14 on the right side of the measurement main body 12₁And the left-hand holding part 14 on the left side₂According to the present invention, is a flat plate made of a flexible material. Further, this gripping portion 14_1,14₂The material is non-conductive on at least the front side and has two terminal electrodes E electrically insulated from each other on this surface._1,E₂And E_3,E_FourIs installed. Of these, the terminal electrode E_2,E_FourIs used for voltage application, and the terminal electrode E_1,E ₃ Is used for current detection. These electrodes E_1,E_2,E_3,E_FourAre connected to the analog detection circuit of the measurement main body 12 via conductors (not shown).

[0012] flat gripping portion 14 _1, 14 ₂ are simultaneously flexible material and the surface is electrically insulating, as described above, produced, for example rubber material, plastic material or in combination thereof or the like, It may have been done. Further, this kind of material may be lined with a thin metal plate, for example, a stainless steel plate to reinforce the flexible flat plate. In that case, the grip portion 14 _1, 14 _2, when gripped by hand, i.e. when the gripping, moderately curved (see also FIG. 3), when you remove your hand, must be flexible to the extent that returns to a flat plate Yes, it should be a material that does not undergo plastic deformation.

FIG. 2 shows the measurement main body 12 viewed from the back side in a state where the two gripping portions 14 _{1 and} 14 ₂ are folded. In this state, it is about the size of a wallet or a cash card and can be carried in your pocket. The grips 14 _{1 and} 14 ₂ are folded so that they can be closely attached to the back of the measurement body 12. The connection between the gripping parts 14 _1, 14 ₂ and the measuring body 12 is made by a ball bearing or a ball joint 16 _1, 16 ₂ , respectively. Therefore, the gripping portions 14 _1, 14 ₂ can not only be opened and closed in the horizontal direction (left and right direction in FIG. 2) but can also be swung around the ball joints 16 _1, 16 ₂ . This openable and closable connection can be formed not only by one ball joint as shown but also by two ball joints. In this case, the gripper opens and closes only horizontally.

FIG. 3 shows a particularly advantageous body fat measuring device according to the present invention, in which the left hand 30 holds the left hand grip 14 for body fat measurement.₂Shows the state when gripping. Gripping part 14 ₂ Is curved as shown in the figure, and its surface (that is, the surface in which the terminal electrode is embedded) is in close contact with the palm according to the shape of the inner side of the palm. Therefore, the contact area of the terminal electrode of the grip portion is increased and the contact point can be widened.

As another embodiment, the two gripping portions may have a shape as shown in FIG. 1 but may have a hard thin plate shape that is not curved. Further, although not shown, the two gripping portions may have a rod shape such as a round shape, an oval shape, an elliptical shape in cross section. In that case, each gripping portion is provided with two electrodes that are electrically insulated from each other, and each of them must be connected to the analog detection circuit of the main body through an appropriate conductive wire. The length of the rod-shaped grip portion is preferably about the lateral width of the palm in order to widen the contact area of the electrodes. Of course, the rod-shaped grip portion is foldably attached to the main body by a suitable joint. At this time, it is advantageous to fold one grip so that the other grip is located on the upper back side of the main body and the other grip is located on the lower back side of the main body.

[0016] The arrangement of the two terminal electrodes of each gripper, which can also be two superimposed or down toward horizontally as shown in FIG. 1, as shown in FIG. 4, the gripping portion 14 ₁ Two terminal electrodes E _{1 and} E ₂ may be mounted side by side on the surface. In this case, both the terminal electrodes E _1, E ₂ is being electrically insulated from one another, there need to be connected via a suitable electrically-ray to an analog detection circuit of the measuring body.

The invention has been described mainly with respect to one preferred embodiment. However, various improvements and changes other than this embodiment are possible. In any case, all the structures and configurations defined in the scope of claims for utility model registration belong to the scope of this invention.

[0018]

[Effect of device]

 As described above, by using the body fat measuring device according to the present invention, it is possible to determine whether or not the measured values have reproducibility and are within the appropriate range depending on the input individual's age, height, and weight. Can be determined.

[Brief description of drawings]

1 is a perspective view of a body fat measuring device according to the present invention as seen from the front,

FIG. 2 is a rear view of the body fat measuring device according to the present invention,

FIG. 3 is a perspective view of a grip portion in use,

FIG. 4 is a perspective view showing another embodiment of the grip portion.

[Explanation of symbols]

12 Measurement main body 14 _1, 14 ₂ Grip section 16 _1, 16 ₂ Ball joint 22 Display section 24 _1, 24 ₂ Numerical input key 26 Input switching key 28 Calculation switching key 30 Hand E _1, E _2, E _3, E ₄ terminals electrode

Claims (3)

[Scope of utility model registration request] 1. Two thin plates, each of which is electrically insulated from each other and has two contact electrodes (E _1, E ₂ ; E _3, E ₄ ) which come into contact with the skin of the palm, and which can be grasped by a measurer's hand. Grip (14
_1, 14 ₂ ) and a specific potential is applied to _one electrode (E ₁ ,; E ₃ ) of each gripping part (14 _1, 14 ₂ ) and the other electrode (E ₂ ,; E ₄ ) An analog detection circuit that measures the electric potential by measuring the electric potential, an operation unit that inputs the age, sex, and weight of the measurer, a display unit that can display numerical values, and a body fat based on the input numerical value and the detected fat mass. In a portable body fat measuring device comprising a main body (12) equipped with a digital arithmetic circuit for discriminating aptitude and non-appropriateness of the amount, the two gripping parts (14 _1, 14 ₂ ) are respectively attached to the main body (12) A portable body fat measuring device characterized in that it is connected by a foldable joint (16 _1, 16 ₂ ), and can be folded into the same size as the main body (12) when not in use. 2. A bar-shaped two gripping parts each of which is electrically insulated from each other and which comes into contact with the skin of the palm and which can be gripped by the hand of a measurer, and a specific potential is applied to one electrode of each gripping part. , An analog detection circuit for measuring the body fat mass by measuring the potential between the other electrodes, the age and sex of the measurer,
Portable with an operating unit for inputting weight, a display unit for displaying numerical values, and a main body equipped with a digital arithmetic circuit for discriminating suitability / inappropriateness of body fat amount from the input numerical value and the detected body fat amount In the body fat measurement device, a portable body fat measurement device, wherein the two gripping portions are connected to the main body by foldable joints and can be folded into the same size as the main body when not in use. 3. The flexible base material of the grip portion (14 _1, 14 ₂ ) is reinforced by a rubber material, a soft synthetic resin material, or a thin metal plate having a thickness not plastically deformed by these materials. The portable body fat measuring device according to claim 1, which is formed of a plate material.