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. 02, 2012
Filed:
Nov. 11, 2008
Shinya Yoshida, Kanagawa, JP;
Shinya Yoshida, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A light quantity detecting apparatus is disclosed which includes: an integration detection section configured to output a signal that varies with integrated quantities of light received by a light-receiving device; a comparison section configured to compare the signal output by the integration detection section with a reference value in order to output a signal representing a result of the comparison; a dummy signal generation section configured to generate a signal equivalent to the comparison result signal output by the comparison section; a changeover section configured to change the output of the comparison section with the output of the dummy signal generation section in response to a control signal; and an integration signal generation section configured to generate a signal indicating an end of the integration of the quantities of received light in accordance with the signal forwarded via the changeover section.