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:
Aug. 16, 2016
Filed:
Jan. 29, 2013
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Junpei Yoshida, Nagano, JP;
Yuichi Nishihara, Nagano, JP;
Takayuki Yazawa, Nagano, JP;
Hidetoshi Yokoyama, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/06 (2006.01); H01J 3/14 (2006.01); G01F 23/292 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
G01F 23/2925 (2013.01); B41J 2/1753 (2013.01); B41J 2/17553 (2013.01); B41J 2/17566 (2013.01); G01F 23/2921 (2013.01); B41J 2002/17573 (2013.01);
Abstract
A liquid consumption device of the present invention has a holder in which an opening section is provided in a position to face a prism of an ink cartridge, a light emitting section, and a light receiving section. The holder has a region that changes a light amount of the reflected light emitted from the light emitting section and received by the light receiving section in a position spaced apart from the opening section at a predetermined distance in a main scanning direction.