Method of operating radiation sensors

Details Method of operating radiation sensors Method of operating radiation sensors

1986-03-10

1987-10-06

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

358212, 35821326, 358282, 250209, H04N 5335

Patent

active

046985158

ABSTRACT:
A method of operating a radiation sensor is described. The sensor has a plurality of radiation sensitive devices such as photodiodes, transfer buffers associated with the radiation sensitive devices, and at least one isolation buffer identical with the transfer buffers but not associated with a radiation sensitive device. The method comprises (a) exposing the radiation sensor to radiation, whereby each radiation sensitive device stores a charge related to the total radiation incident thereon, and simultaneously sequentially reading out the contents of the transfer and isolation buffers at a regular rate; (b) transferring the charge stored in the radiation sensitive devices into the corresponding transfer buffers; and, (c) while exposing the sensor under substantially the same conditions as in step (a), sequentially reading out the contents of the transfer and isolation buffers at the same regular rate.

REFERENCES:
patent: 4216503 (1980-08-01), Wiggins
patent: 4317134 (1982-02-01), Woo et al.
patent: 4567527 (1986-01-01), Yokomizo

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