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.

Date of Patent:
Apr. 11, 2017

Filed:

Sep. 08, 2015
Applicant:

Olympus Corporation, Tokyo, JP;

Inventors:

Makoto Ono, Sagamihara, JP;

Nana Akahane, Hachioji, JP;

Masashi Saito, Akishima, JP;

Yoshio Hagihara, Tokyo, JP;

Susumu Yamazaki, Tachikawa, JP;

Assignee:

OLYMPUS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/335 (2011.01); H04N 5/225 (2006.01); A61B 1/00 (2006.01); A61B 1/045 (2006.01); H04N 5/232 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2256 (2013.01); A61B 1/00018 (2013.01); A61B 1/045 (2013.01); H04N 5/23241 (2013.01); H04N 2005/2255 (2013.01);
Abstract

An imaging element includes: a plurality of pixels configured to receive light from outside and generate and output an imaging signal depending on an amount of the light received; a first transfer line connected to the pixel; a second transfer line; a column selection switch configured to select one pixel column and output the imaging signal to the second transfer line; a column source follower including a gate to which the imaging signal transferred by the first transfer line is input, a drain end being connected to a power supply voltage, and a source end being connected to the column selection switch; a constant current source configured to drive the column source follower and read out the imaging signal to the second transfer line; and a current generating unit configured to flow a predetermined current to the source end side of the column source follower.


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