Remote control receiver and electronic equipment including...

Details Remote control receiver and electronic equipment including... Remote control receiver and electronic equipment including...

2007-08-23

2010-11-30

Pascal, Leslie (Department: 2613)

Optical communications

Optical communication over freee space

Transmitter and receiver

C398S106000, C398S120000

Reexamination Certificate

active

07844184

ABSTRACT:
At least a plurality of light-receiving regions for receiving remote control signals, respectively, in a form of incident light and performing photoelectric conversion of the signals are provided in one common mold package. The remote control receiver includes a first signal processing circuit for adding up signals outputted by the plurality of light-receiving regions and, based on a resulting signal, demodulating and outputting the remote control signal. The remote control receiver also includes a second signal processing circuit for calculating a difference between the signals outputted by the plurality of light-receiving regions to obtain and output a directional signal representing a direction in which the incident light has been incident on the plurality of light-receiving regions.

REFERENCES:
patent: 4330204 (1982-05-01), Dye
patent: 5030004 (1991-07-01), Grant et al.
patent: 6426887 (2002-07-01), Nagai et al.
patent: 59-21946 (1984-02-01), None
patent: 9-51585 (1997-02-01), None
patent: 09-053983 (1997-02-01), None
patent: 11-145902 (1999-05-01), None
patent: 2000-173325 (2000-06-01), None
patent: 2002-026812 (2002-01-01), None

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