Pulse monitor
A monitor and pulse technology, applied in diagnostic recording/measurement, medical science, diagnosis using light, etc., can solve the problems of low pulse detection accuracy, decreased measurement sensitivity, and bulky volume, so as to improve anti-interference ability and detect convenient effect
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[0012] In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific drawings.
[0013] A pulse monitor includes a photoelectric sensor, an amplifying circuit, an active filter, a shaping circuit, a single-chip microcomputer, and an LED lamp. The photoelectric sensor is connected with an amplifying circuit, and the amplifying circuit can amplify the weak pulse signal received by the photoelectric sensor. The source filter is connected to the amplifying circuit, and the amplified pulse signal is filtered by the active filter, so that the originally irregular pulse signal has been optimized to a certain extent, but the pulse signal still has low-frequency interference, which cannot meet the counting requirements. Connecting a shaping circuit at the other end of the active filter can effectively eliminate the inte...
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