Blood oxygen measurer and method
A measuring device and blood oxygen technology, applied in the field of medical products, can solve the problems of signal saturation, measurement, inability to perform blood oxygen saturation and pulse rate, etc., and achieve the effect of high popularization and extended use range
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[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0033] see Figure 1 to Figure 4 , a device for blood oxygen measurement in the present invention mainly includes:
[0034] A photocurrent signal acquisition unit 101, the photocurrent signal acquisition unit 101 is used to acquire a photocurrent signal containing the pulse signal of the subject;
[0035] A signal conversion unit 102, the signal conversion unit 102 is connected with the photocurrent signal acquisition unit 101, and is used to convert the collected photocurrent signal into a corresponding voltage signal; the signal conversion unit 102 includes: a resistor, a capacitor, and an...
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