Optical data link system, and methods of constructing and utilizing same
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United States of America Patent
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Oct 22, 1991
Grant Date -
N/A
app pub date -
Sep 6, 1988
filing date -
Sep 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A high-speed two-way optical data link has both light-emitting and light-sensing units mounted adjacent one another in a single housing together with a timing and control unit providing all signals necessary for simultaneous transmissions and reception of data. Synchronization to a clock signal is achieved by use of edge detectors which reset to zero counters in the timing and control unit whenever a transition in data pulses is sensed. A pair of computers are linked using a program called 'Crosstalk' which performs full parity checking of all data received by an associated computer. Both computers are live handshaking and asynchronous at all times.
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