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:
Oct. 11, 2011
Filed:
Aug. 17, 2010
Akiyoshi Kohno, Yokohama, JP;
Yoshiaki Kato, Kusatsu, JP;
Yuji Matsuda, Takatsuki, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An imaging apparatus capable of suppressing deterioration of image qualities and output properties is provided having one or more output circuits in series and a buffer circuit, and processing luminance signals from photodetectors to output image information, the buffer circuit performing impedance conversion on signals outputted from a final output circuit of the one or more output circuits, the final output circuit being a source follower circuit that has an active element and a current source circuitwhich is inserted between a source terminal of the active element and a reference voltage terminal, wherein the current source circuit and the buffer circuitare external to a solid-state image sensorhaving the photodetectors, and a main part of the current source circuitand a main part of the buffer circuitare in a single package.