Ask receiver with signal delay and stretching
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United States of America Patent
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Jun 7, 1994
Grant Date -
N/A
app pub date -
Mar 25, 1993
filing date -
Mar 25, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An amplitude-shift-keyed (ASK) receiver is described for use in receiving infrared ASK modulated carrier signals wherein a delayed version of a demodulated pulse os compared with a stretched version and a dynamic threshold signal to reproduce binary data pulses. The dynamic threshold signal is further compared with the stretched version to derive an indication of the amplitude of the incident optical carrier. An embodiment illustrating use of the ASK receiver in an infrared communication system is described.
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