RF receiving apparatus

Details RF receiving apparatus RF receiving apparatus

2006-09-13

2009-06-30

Nguyen, Simon D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S285000, C455S296000, C455S302000, C455S318000, C375S346000

Reexamination Certificate

active

07555281

ABSTRACT:
A level comparator supplied with oscillation signal of local oscillator for comparing the signal level of oscillation signal with a certain predetermined threshold value, and a driving section interposed between the output of level comparator and a control section are provided. When the level comparator recognized that the signal level exceeded the threshold value, it puts the driving section into operation for bringing the control section into action.

REFERENCES:
patent: 6459889 (2002-10-01), Ruelke
patent: 6498929 (2002-12-01), Tsurumi et al.
patent: 7136431 (2006-11-01), Shi et al.
patent: 7260373 (2007-08-01), Akamine et al.
patent: 2002/0123319 (2002-09-01), Peterzell
patent: 2003/0045263 (2003-03-01), Wakayama et al.
patent: 2003-134183 (2003-05-01), None
patent: WO 02/45283 (2002-06-01), None
European Search Report for Application No. 06 12 0580 dated Sep. 24, 2007.

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