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:
Aug. 11, 1998
Filed:
Jun. 29, 1995
Masaharu Hamasaki, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention is directed to a solid state image sensing device of an amplifying type which can increase a switching speed during the horizontal scanning by making an output circuit low in impedance. In the output circuit of this amplifying type solid state image sensing device, the FET of source-follower configuration functions as a buffer and a horizontal gate switch. A first switching means is coupled between an output terminal of a capacitor connected to each vertical signal line and the gate electrode of the FET and a second switching means is coupled between the gate electrode of the FET and a reference potential point, respectively, whereby an output resistance and a load capacitance of the output circuit are reduced to enable the output circuit to become low in output impedance.