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:
Sep. 27, 2022

Filed:

Sep. 28, 2021
Applicants:

Takuhei Yokoyama, Kanagawa, JP;

Masamoto Nakazawa, Kanagawa, JP;

Tadaaki Oyama, Kanagawa, JP;

Ayumu Hashimoto, Kanagawa, JP;

Inventors:

Takuhei Yokoyama, Kanagawa, JP;

Masamoto Nakazawa, Kanagawa, JP;

Tadaaki Oyama, Kanagawa, JP;

Ayumu Hashimoto, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/40 (2006.01); H04N 1/12 (2006.01); H04N 1/00 (2006.01); H04N 1/04 (2006.01);
U.S. Cl.
CPC ...
H04N 1/40056 (2013.01); H04N 1/00013 (2013.01); H04N 1/00018 (2013.01); H04N 1/0446 (2013.01); H04N 1/122 (2013.01);
Abstract

A reading device includes a first light source configured to emit light, a second light source configured to emit light in a wavelength of light different from a wavelength of light of the first light source, circuitry configured to instruct the first light source and the second light source to turn on and turn off, a first light-intensity adjuster configured to adjust light intensity of the first light source based on a first light intensity value, a second light-intensity adjuster configured to adjust light intensity of the second light source based on a second light intensity value, a first image sensor configured to receive the light that is emitted from the first light source and is reflected by an object, and a second image sensor configured to receive the light that is emitted from the first light source and the second light source and is reflected by the object.


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