Laser telemetry
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United States of America Patent
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-
Oct 12, 1982
Grant Date -
N/A
app pub date -
Dec 10, 1980
filing date -
Dec 10, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A projectile carries a laser transmitter which directs its output beam to the rear through an aperture in the projectile. The beam is coded (modulated) in accordance with the start or stop of events or flight conditions being monitored by one or more transducers in the projectile. The beam is initially pulsed at a known reference rate from a thermal battery automatically activated by the launching acceleration of the projectile. Thus, occurrence of an event or condition will change the laser frequency to a new predetermined rate. The beam can be decoded at a receiving station in the vicinity of the launching site.
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