Communications: electrical – Continuously variable indicating – With meter reading
Patent
1997-12-12
1999-11-23
Zimmerman, Brian
Communications: electrical
Continuously variable indicating
With meter reading
340539, 3405731, 382115, 382124, 382127, 382188, 345168, 345173, 345174, 331 65, G08B 2300
Patent
active
059908041
ABSTRACT:
The subject oscillation frequency generating section generates a subject oscillation frequency in response to the capacitance of subject when the subject contacts the measurement electrode. The subject recognition signal generating section generates a subject recognition signal corresponding to the subject oscillation frequency. The reference signal setting section previously sets a reference signal used to determine whether the subject is an animate body. The animate body detection control section compares the subject recognition signal and the reference signal to determine whether the subject is an animate body.
REFERENCES:
patent: 4771268 (1988-09-01), Sone et al.
patent: 5541580 (1996-07-01), Gerston et al.
patent: 5565658 (1996-10-01), Gerpheide et al.
Dalencourt Yves
Frommer William S.
Sony Corporation
Zimmerman Brian
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