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.
Patent No.:
Date of Patent:
May. 31, 2016
Filed:
Nov. 22, 2011
Applicants:
Laurent Rubaldo, Fontaine, FR;
Nicolas Ricard, Coublevie, FR;
Inventors:
Laurent Rubaldo, Fontaine, FR;
Nicolas Ricard, Coublevie, FR;
Assignee:
SOCIETE FRANCAISE DE DETECTEURS INFRAROUGES—SOFRADIR, Chatenay Malabry, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/357 (2011.01); G01J 1/44 (2006.01);
U.S. Cl.
CPC ...
G01J 1/44 (2013.01);
Abstract
The detection circuit comprises a switch connected between a photodiode and an integrator. It further comprises means for alternately switching bias conditions of the photodiode between a reverse bias and another state. The electronic traps in the photodiode are regularly passivated during the other state.