Device for determining the direction of a low-luminosity emissiv

Details Device for determining the direction of a low-luminosity emissiv Device for determining the direction of a low-luminosity emissiv

1992-02-11

1993-07-13

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

356152, 2502033, G01B 1126

Patent

active

052276198

ABSTRACT:
The device includes an objective (12) and a photosensitive detection matrix CCD (110) provided with a read register and an output stage. According to the invention, the device furthermore includes read means (13) for reading the matrix, in groups of 4 or 9 pixels arranged in a square, these groups being arranged in quincunx, and for determining the brightest square group.

REFERENCES:
patent: 3640628 (1972-02-01), Jones
patent: 4710028 (1987-12-01), Grenier et al.
patent: 4713533 (1987-12-01), Bremer et al.
patent: 4740681 (1988-04-01), Tsuno
patent: 4950881 (1990-08-01), Kaltschmidt
patent: 5068522 (1991-11-01), Falp et al.
patent: 5081345 (1992-01-01), Grenier et al.
PCT Application WO/90/13199 Published Nov. 1, 1990.

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