Vector detecting device and living-body complex impedance...

Details Vector detecting device and living-body complex impedance... Vector detecting device and living-body complex impedance...

2007-08-21

2007-08-21

Wachsman, Hal (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Biological or biochemical

C702S065000, C600S547000

Reexamination Certificate

active

11377453

ABSTRACT:
A phase-sensitivity detector detects a phase sensitivity of an AC signal with a known frequency, output by an input amplifier, and an integrator double-integrates an output of (X-Y) of which the phase sensitivity is detected, thereby obtaining vector detecting information α(tend−tst)/tm=A cos θ and α(tend−tst)/tm=A sin θ of the AC signal with the known frequency.

REFERENCES:
patent: 7161362 (2007-01-01), Shambroom et al.
patent: 4-80667 (1992-03-01), None
patent: 4-109174 (1992-04-01), None

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