Multiple field of view sensor lens assembly
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United States of America Patent
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Jan 10, 1995
Issued Date -
N/A
app pub date -
Jun 1, 1993
filing date -
Sep 26, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A multiple field of view sensor lens assembly suitable for inclusion in an infrared imaging system. The lens assembly includes a rotatable telescope 10 for providing first and second fields of view for the sensor, the first field of view being along a first axis thereof L and the second field of view being along a separate second axis T. A servo mechanism 30 is included for rotating the telescope 10 from a first orientation at which the first axis is aligned with the optical axis to a second orientation at which the second axis is aligned with the optical axis. In a preferred embodiment the inventive lens assembly is disposed to provide fields of view in opposing directions along the first axis L, and a third field along the second axis T.
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