Bioelectric signal detector and massage machine
A signal detection and signal technology, applied in applications, sensors, diagnostic recording/measurement, etc., can solve problems such as increased manufacturing costs, problems with the detection accuracy of biological signal detection, and difficult signal processing
Inactive Publication Date: 2005-04-13
OMRON HEALTHCARE CO LTD
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Problems solved by technology
[0009] However, the conventional chair-type massage machine using such an optical sensor uses a complex mechanical structure for intensively transmitting the user's body motion to optical fibers, resulting in increased manufacturing costs
[0010] Moreover, extracting the pulse rate and respiration rate through filtering, that is, the physical movement of the human body (mixture of vertical and horizontal movements) is sometimes difficult in terms of signal processing
Therefore, detection of biosignals based on changes in the amount of light is problematic in terms of detection accuracy
Method used
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Embodiment Construction
[0062] [Overall structure of the massage machine of the present invention]
[0063] figure 1 is a schematic block diagram showing the electrical structure of a massage machine to which the biological signal detection device of the present invention is applied.
[0064] refer to figure 1 , this massage machine mainly includes a switch input circuit 1, a biological signal detection device 2, an operation control part 3, a limit switch input circuit 4, a display circuit 5, an output circuit 6, a massage unit 7, and A power supply circuit 8 .
[0065] The operation control section 3 includes a central processing unit (CPU) 3a, a read only memory (ROM) 3b, and a random access memory (RAM) 3c. The massage unit 7 is installed in, for example, a backrest of a seat type massage machine, and includes a solenoid 7a and a motor 7b.
[0066] Although not shown in the drawings, the switch input circuit 1 includes a key switch for designating various operations of the massage unit 7, suc...
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A biological signal detection device (2) includes an electrode portion (12) including a pair of electrodes (12a, 12b) installed so that a living body can be brought into close proximity to or in contact with the electrodes. An oscillating section (11) supplies a high-frequency signal to the electrodes. The level of the reflected wave from the electrode receiving the high-frequency signal varies according to the impedance change in the electrode in close proximity to or in contact with the living body. Such changes in the reflected wave level reflect changes in impedance caused by body movements of living beings such as respiration and pulse. A detection section (13) detects a signal indicative of a change in level of the reflected wave. From the signal, a signal amplification section (14) calculates a desired biological signal such as pulse rate and respiration rate.
Description
technical field [0001] The invention relates to a biological signal detection device and a massage machine using it. More specifically, the present invention relates to a biosignal detection device for detecting biosignals, such as the pulse rate and respiration rate of a living body such as a human body, and a biosignal detection device using such a biosignal detection device massage machinery. Background technique [0002] Various sensors such as optical sensors, capacitive sensors, and pressure sensors are used as means for detecting the pulse rate and respiration rate of a living body such as a human body. Currently, optical sensors are most commonly used. [0003] Conventional massage machines only perform massage operations according to predetermined programs. However, in recent years, massage machines programmed to detect biosignals such as pulse rate and respiration rate of a user to be massaged and to perform massage operations, ie, treatments, according to the d...
Claims
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IPC IPC(8): A61B5/0245A61B5/053
CPCA61B5/0245A61B5/0531
Inventor 笠井英治福井亮
Owner OMRON HEALTHCARE CO LTD