Pulse receiving circuit, pulse receiving method and pulse...

Details Pulse receiving circuit, pulse receiving method and pulse... Pulse receiving circuit, pulse receiving method and pulse...

2008-08-13

2011-10-11

Tran, Khanh C (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

Reexamination Certificate

active

08036320

ABSTRACT:
A pulse receiving circuit which receives a receiving signal from the outside includes: a template pulse generating circuit which generates a first pulse signal and a second pulse signal having phase different from that of the first pulse signal based on a pulse position timing signal; a first multiplying circuit which multiplies the receiving signal by the first pulse signal and outputs a first multiplication signal; a second multiplying circuit which multiplies the receiving signal by the second pulse signal and outputs a second multiplication signal; a first low band pass filtering circuit which extracts low frequency component from frequency components of the first multiplication signal and outputs a first low frequency signal; a second low band pass filtering circuit which extracts low frequency component from frequency components of the second multiplication signal and outputs a second low frequency signal; and an envelope detection circuit which performs envelope calculation by using the first low frequency signal and the second low frequency signal and outputs a detection signal.

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patent: 6426716 (2002-07-01), McEwan
patent: 6980613 (2005-12-01), Krivokapic
patent: 7764756 (2010-07-01), Yu et al.
patent: 7907005 (2011-03-01), Kranabenter
patent: 2002/0175850 (2002-11-01), Barnes et al.
patent: 2005/0213635 (2005-09-01), Terada et al.
patent: 2003-110466 (2003-04-01), None
patent: 2005-039526 (2005-02-01), None
patent: 2005-252740 (2005-09-01), None

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