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:
Sep. 12, 2017
Filed:
Aug. 20, 2014
Applicants:
Takaaki Negoro, Kishiwada, JP;
Hirofumi Watanabe, Miki, JP;
Katsuhiko Aisu, Takarazuka, JP;
Kazuhiro Yoneda, Osaka, JP;
Katsuyuki Sakurano, Kobe, JP;
Inventors:
Takaaki Negoro, Kishiwada, JP;
Hirofumi Watanabe, Miki, JP;
Katsuhiko Aisu, Takarazuka, JP;
Kazuhiro Yoneda, Osaka, JP;
Katsuyuki Sakurano, Kobe, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/355 (2011.01); H01L 27/146 (2006.01); H04N 5/3745 (2011.01); H04N 5/378 (2011.01); H01L 27/148 (2006.01); H04N 5/77 (2006.01); H04N 5/374 (2011.01); H04N 5/907 (2006.01);
U.S. Cl.
CPC ...
H04N 5/3559 (2013.01); H01L 27/148 (2013.01); H01L 27/14612 (2013.01); H01L 27/14638 (2013.01); H01L 27/14681 (2013.01); H04N 5/35509 (2013.01); H04N 5/378 (2013.01); H04N 5/3745 (2013.01); H04N 5/37457 (2013.01); H04N 5/772 (2013.01); H04N 5/907 (2013.01);
Abstract
An imaging device includes at least one pixel having a phototransistor which converts light energy into signal charge and varies an amplification factor relative to the intensity of the received light energy, wherein the signal charge of the phototransistor is read out while receiving the light energy with the phototransistor for each pixel.