Method and apparatus for checking continuity of optic transmission
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United States of America Patent
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Feb 19, 1991
Grant Date -
N/A
app pub date -
Apr 28, 1989
filing date -
Apr 28, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for checking continuity of fiber optic links from source to receiver before enabling the source delivers full power so as to thereby prevent eye damage to personnel and provide a supervisory signal to the system user that the link elements are intact and functioning. The apparatus includes a transmitter, a receiver and a detector for detecting that an optical transmission between the transmitter and receiver can be effected.
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