Radiant energy – Infrared-to-visible imaging – Including means for scanning field of view
Patent
1977-09-01
1980-02-12
Willis, Davis L.
Radiant energy
Infrared-to-visible imaging
Including means for scanning field of view
250342, H01J 3149
Patent
active
041885317
ABSTRACT:
Infra-red sensing apparatus for scanning an air space for detecting low-flying airplanes and flying bodies comprising a rotatable modulation screen arranged on a planar circular disc, and optical devices including mirrors and prisms for transmitting images from objectives, each covering a segment of the scanned air space, to the planar disc.
REFERENCES:
patent: 3886360 (1975-05-01), Reiss et al.
patent: 4087689 (1978-05-01), Asawa
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