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:
Apr. 24, 1984
Filed:
Dec. 28, 1981
Applicant:
Inventors:
Steven D Gaalema, Carlsbad, CA (US);
Michael D Jack, Carlsbad, CA (US);
Assignee:
Hughes Aircraft Company, Culver City, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ; H04N / ; H04J / ;
U.S. Cl.
CPC ...
34082591 ; 358212 ;
Abstract
A transistorized monolithic focal plane array is formed on a semiconductive substrate and comprises a plurality of detectors associated with a corresponding plurality of source follower or inverter transistors. The array is row addressable. The gate of the source follower transistor comprises a floating node which is charged by the corresponding detector in proportion to the incident photon flux, the gate being periodically reset. The invention combines the advantages of compactness and low capacitance of charge coupled device imagers and low noise characteristics of prior art imagers comprising discrete transistors.