Reading device for a mosaic of electromagnetic detectors and det

Details Reading device for a mosaic of electromagnetic detectors and det Reading device for a mosaic of electromagnetic detectors and det

1997-06-24

1999-07-27

Nelms, David

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2503384, 348164, G01J 100, H01J 4014

Patent

active

059294337

ABSTRACT:
Reading device for an array of radiation detectors arranged as a mosaic of detectors and having a plurality of capacitors (222), each connected to a reading circuit (224, 225). According to the invention, each capacitor (222) is associated with a subarray of several detectors of the mosaic, the reading device also having a plurality of controllable switches (231, 232, 233, 224) for successively connecting each detector of each subarray respectively to the associated integrating capacitor (222) and the reading device having means (226) for controlling the closing and opening of the switches in an order excluding the simultaneous reading of the signal of closer neighbouring detectors.

REFERENCES:
patent: 4587426 (1986-05-01), Munier et al.
patent: 4609824 (1986-09-01), Munier et al.
patent: 5128534 (1992-07-01), Wyles
patent: 5323186 (1994-06-01), Chow
Patent Abstracts of Japan, JP 02003973, NEC Corporation, vol. 014, No. 139 (E-0903), Mar. 15, 1990.
D.J. Bradley et al., Sampling Effects in CdHgTe Focal Plane Arrays, (1985), pp. 53-60, SPIE, vol. 590, Infrared Technology and Applications.
R.J. Dam et al., Sampling Effects in CdHgTe Focal Plane arrays Practical Results (1986), pp. 123-128, SPIE, vol. 685, Infrared Technology, XII (no month).

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