Optical direction of arrival sensor with cylindrical lens

Details Optical direction of arrival sensor with cylindrical lens Optical direction of arrival sensor with cylindrical lens

1988-03-28

1989-02-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356152, G01J 120

Patent

active

048067474

ABSTRACT:
An improved optical direction of arrival sensor in which incoming radiation passes through a cylindrical lens placed through a top mask and is focused in the gap between the lens and a detector array concentric about the back of the lens. The focal line then expands and falls on the detector array which embodies an encoding scheme. The output from the encoded detector is then processed to determine the angle of incidence of the incoming radiation with the top mask.

REFERENCES:
patent: 3581099 (1971-05-01), Franke
patent: 3954340 (1976-05-01), Blomquist et al.
patent: 4075034 (1978-02-01), Butler
patent: 4083636 (1978-04-01), Owen
patent: 4211922 (1980-07-01), Vaerewyck et al.
patent: 4769546 (1988-09-01), Kniffler et al.

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