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US 2003/0223764 A1Published application
Receiver for diffused infrared wireless communications
OwnerYuen Chuen Chan, Yee Loy Laminventors
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Abstract
The present invention relates to a receiver for an infrared wireless communications system. The receiver comprises: a hot-spot monitoring photodetector array (6); a sensing photodetector array (7); an optical element (5) for splitting a received signal into two parts and focusing each part onto one of the photodector arrays (6, 7); means for monitoring the hot-spot monitoring photodetector array (6); and means for adjusting the response of the sensing photodetector array (7) in response to the detected signal of the hot-spot monitoring photodetector array (6).
Claims9
A receiver for an infrared wireless system comprising:
- a first photodetector array;
- a second photodetector array;
- means for splitting a received signal into two parts and focusing each part onto one of the photodector arrays;
- means for monitoring the first photodetector array;
- and
- means for adjusting the response of the second photodetector array in response to the detected signal of the first photodetector array.
3 more elements
Dependencies are inferred from the claim text.