Dual resolution sensor for signal tracking and the like

Details Dual resolution sensor for signal tracking and the like Dual resolution sensor for signal tracking and the like

1987-04-27

1988-02-09

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356343, G01J 120

Patent

active

047243139

ABSTRACT:
An optical sensor for viewing a signal image at a wide range of angles relative to the optical axis. The sensor characterized by having a detector for receiving the focused image thereon and having an inner member and outer annulus. The inner member and outer annulus function independently of each other or in parallel with each other.

REFERENCES:
patent: 3700905 (1972-10-01), Parkin et al.
patent: 4099875 (1978-07-01), McMahon et al.
patent: 4107530 (1978-08-01), Brumfield
patent: 4311388 (1982-01-01), Roiret
patent: 4366377 (1982-12-01), Notthott et al.
patent: 4476383 (1984-10-01), Fukuhara

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