Position-resolving sensor for detecting individual light flashes

Details Position-resolving sensor for detecting individual light flashes Position-resolving sensor for detecting individual light flashes

1989-03-27

1990-07-17

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

356152, G01J 120, G01B 1126

Patent

active

049422910

ABSTRACT:
A position-resolving sensor for detecting individual light flashes with a multiplicity of adjacent light-receiving elements and an evaluating circuit which determines the light-receiving element which is struck by a light flash. The sensor comprises light-receiving elements subdivided into a plurality of groups such that each light-receiving element is exclusively adjacent to light-receiving elements belonging to other groups. Each group of light-receiving elements is associated with a row of light detectors and at least one optical connecting element establishes a light-conducting connection between each individual light-receiving element and light detectors which are selected in accordance with a given code from the assigned row of light detectors. A high solid-angle resolution can be achieved with few light detectors. In addition, that order number of the light-receiving element is read out which has registered the light flash, directly in a digital code.

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patent: 4672208 (1987-06-01), Moore

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