Receiver, electronic apparatus, and discharge lamp lighting...

Details Receiver, electronic apparatus, and discharge lamp lighting... Receiver, electronic apparatus, and discharge lamp lighting...

2007-11-13

2007-11-13

Nguyen, Chanh D. (Department: 2629)

Optical communications

Receiver

C398S045000, C398S201000

Reexamination Certificate

active

10832448

ABSTRACT:
A receiver includes a light-receiving portion which receives an infrared remote control signal from a transmitter, an A/D converter which converts a signal received by the light-receiving portion into a digital signal at a frequency much higher than a carrier wave, and a digital filter having the band-pass function of a pass band containing the carrier band of the infrared remote control signal for the digital signal output from the A/D converter. The digital filter reduces the influence of variations in argon spectrum intensity over time.

REFERENCES:
patent: 4231094 (1980-10-01), Desblache
patent: 5546211 (1996-08-01), Devon
patent: 2002/0005794 (2002-01-01), Yamaguchi
patent: 2006/0006779 (2006-01-01), Foo
patent: 6-5638 (1994-01-01), None

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