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:
Mar. 06, 2018

Filed:

Jan. 31, 2017
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Seiji Hashimoto, Yokohama, JP;

Yasushi Matsuno, Fujisawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/376 (2011.01); H04N 5/374 (2011.01); H04N 5/378 (2011.01); H04N 5/357 (2011.01);
U.S. Cl.
CPC ...
H04N 5/3765 (2013.01); H04N 5/3575 (2013.01); H04N 5/374 (2013.01); H04N 5/378 (2013.01);
Abstract

An imaging apparatus and a method of driving the same that can generate a digital data of a high resolution pixel signal are provided. The imaging apparatus includes: a pixel (-) for generating a signal by photoelectric conversion; a comparing circuit (-) for comparing a signal based on the pixel with a time-dependent reference signal; a counter circuit (-) performing a counting operating until an inversion of a magnitude relation between the signal based on the pixel and the time-dependent reference signal; and a selecting circuit (-) for setting a time-dependent change rate of the reference signal, according to a signal level of the signal based on the pixel.


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