The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 26, 1988

Filed:

Feb. 26, 1985
Applicant:
Inventors:

Jean Luc Berger, Grenoble, FR;

Louis Brissot, St. Egreve, FR;

Bruno Virando, St. Egreve, FR;

Assignee:

Thomson-CSF, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
364829 ; 364807 ;
Abstract

An analog accumulator used in association with a solid state image analyzer for averaging and storing the fixed pattern noise (FPN) includes an N-stage transfer shift register with an input receiving a signal corresponding to the fixed pattern noise and with N outputs, N floating storage diodes each connected to an output of the transfer shift register, N reading parts each connected to a floating storage diode and each comprising a floating input diode connected to the floating storage diode through an injection gate, an injection device and a charge removal drain, and an N-stage transfer shift register with N inputs each connected to a reading part and with an output. The accumulator provides M integrations of N samples of an analog signal and delivers, at the end of the M integrations, the N accumulated samples several times.


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