Apparatus for analyzing body composition based on bioelectrical impedance analysis and method thereof
First Claim
1. An apparatus for analyzing the body composition of a person based on bioelectrical impedance analysis, which comprises:
- a standing plate having four electrodes for contacting a right front sole, a right rear sole, a left front sole, and a left rear sole, respectively;
a hands bar having four electrodes for contacting a right palm, a right thumb, a left palm, and a left thumb, respectively;
a support rod for supporting the hands bar, the support rod being connected to an axis to permit rotation;
a display attached to the support rod;
a sensor for sensing the rotating position of the support rod and the height of the person to the display;
an impedance measuring circuit for measuring the impedance based on a voltage-current ratio by making an alternating current flow between a pair of electrodes and reading the voltage difference;
an electronic switch for being controlled by a microprocessor to select electrical connections between the eight electrodes and the impedance measuring circuit;
a weight measuring sensor; and
an A/D converter and amplifiers for interfacing the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height to the micro-processor, wherein the microprocessor controls the electronic switch and processing data received from the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height.
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Accused Products
Abstract
The apparatus for analyzing the body composition based on the bioelectrical impedance analysis according to the present invention includes a standing plate having four electrodes for contacting a right front sole, a right rear sole, a left front sole, and a left rear sole, respectively; a hands bar having four electrodes for contacting a right palm, a right thumb, a left palm, and a left thumb, respectively; a support rod for supporting the hands bar and connecting an axis; a display; a sensor for sensing the rotating position of the support rod and indicating the height of the measuring person to the display; an impedance measuring circuit for measuring the impedance based on a voltage-current ratio by making an alternating current flow between two of the electrodes and reading the voltage difference; an electronic switch for being controlled by a microprocessor to select electrical connections between the electrodes and the impedance measuring circuit; a weight measuring sensor for measuring the body weight of the measuring person; an A/D converter and amplifiers for interfacing the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height to the micro-processor; and the microprocessor controlling the electronic switch and processing the data received from the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height.
101 Citations
11 Claims
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1. An apparatus for analyzing the body composition of a person based on bioelectrical impedance analysis, which comprises:
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a standing plate having four electrodes for contacting a right front sole, a right rear sole, a left front sole, and a left rear sole, respectively;
a hands bar having four electrodes for contacting a right palm, a right thumb, a left palm, and a left thumb, respectively;
a support rod for supporting the hands bar, the support rod being connected to an axis to permit rotation;
a display attached to the support rod;
a sensor for sensing the rotating position of the support rod and the height of the person to the display;
an impedance measuring circuit for measuring the impedance based on a voltage-current ratio by making an alternating current flow between a pair of electrodes and reading the voltage difference;
an electronic switch for being controlled by a microprocessor to select electrical connections between the eight electrodes and the impedance measuring circuit;
a weight measuring sensor; and
an A/D converter and amplifiers for interfacing the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height to the micro-processor, wherein the microprocessor controls the electronic switch and processing data received from the impedance measuring circuit, the weight measuring sensor, and the sensor for indicating the height. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for measuring the body composition of a person, which comprises:
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standing on the standing plate, thereby contacting a right front sole, a right rear sole, a left front sole, and a left rear sole on the four electrodes, respectively;
gripping the hands bar, thereby contacting a right palm, a right thumb, a left palm, and a left thumb on the four electrodes, respectively;
adjusting the hands bar to indicate the height of the person;
inputting the height to a microprocessor by a sensor for sensing the rotating position of a support rod;
measuring segmental impedances by means of the impedance measuring circuit by the electronic switch which is controlled by the microprocessor;
measuring body weight of the person by means of a weight measuring sensor; and
measuring an amount of body fluid (TBW), an amount of fat free mass (FFM), a percent body fat (%BF) and a distribution of body fluid (ECW/ICW), by means of the microprocessor. - View Dependent Claims (10, 11)
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Specification