Amplitude demodulator for an electromagnetic transponder

Details Amplitude demodulator for an electromagnetic transponder Amplitude demodulator for an electromagnetic transponder

2005-12-20

2008-10-21

Pascal, Robert J. (Department: 2817)

Demodulators

Amplitude modulation demodulator

C340S010100, C340S572500

Reexamination Certificate

active

07439800

ABSTRACT:
An amplitude demodulator comprising a capacitive element for filtering a first D.C. component of a received signal, an element for detecting edges in the signal provided by the capacitive element, and at least one switching element for forcing, at least after detection of an edge, the returning of the signal provided by the capacitive element to a second D.C. component.

REFERENCES:
patent: 4494241 (1985-01-01), Mayoux
patent: 4754477 (1988-06-01), Tanaka et al.
patent: 6031419 (2000-02-01), Roberts et al.
patent: 6639459 (2003-10-01), Devilbiss

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