Electronic switch for TV signal booster

Details Electronic switch for TV signal booster Electronic switch for TV signal booster

2005-07-07

2008-08-05

Lee, M. (Department: 2622)

Television

Receiver circuitry

Tuning

C348S725000, C455S226100, C455S232100

Reexamination Certificate

active

07408594

ABSTRACT:
A method of automatically switching on/off a low noise amplifier that serves to boost weak video signals in a TV tuner (2). The method involves determining whether there is a signal present in the reception, and if so, whether the signal requires boosting. Thereafter, the method determines whether the booster has caused an overall improvement in the reception and accordingly maintains the booster amplifier switched on or switches it off.

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patent: 6831705 (2004-12-01), Yamamoto
patent: 7116165 (2006-10-01), Kwong
patent: 7185242 (2007-02-01), Chun
patent: 7277684 (2007-10-01), Kushima et al.
patent: 2003/0034838 (2003-02-01), Fanous et al.
patent: 2004/0029537 (2004-02-01), Pugel et al.
patent: 2004/0259516 (2004-12-01), Hwang et al.
patent: 2006/0141965 (2006-06-01), Hennig
patent: 2007/0147553 (2007-06-01), Bhat et al.

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