Multiple field of view sensor lens assembly

Details Multiple field of view sensor lens assembly Multiple field of view sensor lens assembly

1991-09-26

1994-01-25

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Telescope

359754, 359793, 359808, 250234, G02B 2300

Patent

active

052820874

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.

REFERENCES:
patent: 3612645 (1971-10-01), Paine
patent: 3781559 (1973-12-01), Cooper et al.
patent: 4859045 (1989-08-01), Dagan et al.
patent: 5044738 (1991-09-01), Shaffer
patent: 5049740 (1991-09-01), Pines et al.

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