Appeal 2006-2232
Application 10/242,188
rejected claims. We have jurisdiction over the appeal pursuant to 35 U.S.C.
§ 6(b) (2002).
The claims are directed to an apparatus and method of controlling the
gain of a receiver in an optical detector. Claims 1 and 27 are illustrative:
1. An apparatus, comprising:
an optical detector;
a threshold unit capable of converting an analog optical
signal received by the optical detector to a digital
representation thereof;
a capture unit capable of capturing the digital representation
of the received optical signal;
a process unit capable of processing the captured digital
representation; and
an automatic gain control capable of controlling the gain of
the optical detector responsive to the content of the
processed digital representation.
27. A method for automatically controlling the gain of a
receiver in an optical system, comprising:
comparing the intensity of a returned pulse to a target value;
and
controlling the gain of an optical detector responsive to the
comparison.
2
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