Photoelectric detector with coded pulse output
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United States of America Patent
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-
Feb 16, 1999
Grant Date -
N/A
app pub date -
Mar 5, 1997
filing date -
Mar 5, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A detector, such as a photodetector, is provided with a serial output and serial input capability so that a first plurality of pulses can be transmitted from the detector in a first preselected direction. The first plurality of pulses represent a coded pattern. When pulses are received by the receiver portion of the detector, the received second plurality of pulses is compared to the first plurality of pulses to determine whether or not the two pluralities of pulses represent precisely matched coded patterns. The use of coded patterns that comprise a plurality of bits, or pulses, significantly decreases the chance of a mis-identification of a received pulse as being representative of a reflected transmitted pulse.
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