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. 20, 2015
Filed:
Aug. 31, 2012
Applicants:
Masayuki Sugizaki, Kanagawa-ken, JP;
Shigeyuki Sakura, Kanagawa-ken, JP;
Miki Hidaka, Fukuoka-ken, JP;
Hiroshi Shimomura, Fukuoka-ken, JP;
Inventors:
Masayuki Sugizaki, Kanagawa-ken, JP;
Shigeyuki Sakura, Kanagawa-ken, JP;
Miki Hidaka, Fukuoka-ken, JP;
Hiroshi Shimomura, Fukuoka-ken, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/00 (2006.01); H01L 27/00 (2006.01); H01L 31/02 (2006.01); H03F 3/08 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02019 (2013.01); H03F 3/082 (2013.01);
Abstract
According to an embodiment, a light-receiving circuit includes a MOSFET, a first light-receiving element and a second light-receiving element. The first light-receiving element controls a state of the MOSFET between ON state and OFF state by applying a voltage induced by a light signal between a gate of the MOSFET and a source of the MOSFET; and a second light-receiving element controls a threshold voltage of the MOSFET.