Two-dimensional incident position detector device for light or r

Details Two-dimensional incident position detector device for light or r Two-dimensional incident position detector device for light or r

1990-02-23

1991-04-30

Fields, Carolyn E.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250369, 250349, G01D 2100

Patent

active

050120824

ABSTRACT:
A two-dimensional incident position detector device for radiation, the device comprising a detector array including a plurality of detection cells in two-dimensional arrangement, and a comparator circuit for comparing an output from a noticed detection cell with outputs from all detection cells adjacent to said noticed cell, whereby a position of the noticed cell is decided as an incident position of light or radiation when the output from the noticed cell is larger than the outputs from all adjacent detection cells.

REFERENCES:
patent: 4672542 (1987-06-01), Roux et al.
patent: 4852056 (1989-07-01), Rogers et al.

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