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:
Jul. 20, 2021

Filed:

Sep. 21, 2020
Applicants:

Denso Corporation, Kariya, JP;

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Kyohei Ozaki, Kariya, JP;

Taichi Hasegawa, Kariya, JP;

Kunihiro Sugihara, Toyota, JP;

Goro Asai, Toyota, JP;

Tomoaki Iida, Toyota, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 7/28 (2021.01); H04N 5/235 (2006.01); H04N 7/18 (2006.01);
U.S. Cl.
CPC ...
H04N 5/2353 (2013.01); G03B 7/28 (2013.01); B60R 2300/105 (2013.01);
Abstract

An exposure control device of a vehicle-mounted camera comprises an illuminance level determination unit, a plurality of timers, a timer operating unit, and an exposure level determination unit. The illuminance level determination unit determines that an illumination level of an external light illuminance corresponds to one of a plurality of illuminance levels. The timers each provided for a corresponding one of a plurality of change modes, the change modes being defined among the plurality of illuminance levels, or among a plurality of exposure levels for an exposure of a vehicular camera. The timer operating unit operates each of the timers in accordance with a state of change of the illuminance level of the external light illuminance. The exposure level determination unit determines one of the exposure levels for the exposure of the vehicular camera based on a count state of each of the timers.


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