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:
Nov. 28, 2017
Filed:
Jan. 16, 2015
Applicant:
Rohm Co., Ltd., Kyoto-shi, Kyoto, JP;
Inventor:
Koji Nishi, Kyoto, JP;
Assignee:
ROHM CO., LTD., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/335 (2006.01);
U.S. Cl.
CPC ...
B41J 2/3351 (2013.01); B41J 2/3354 (2013.01); B41J 2/33515 (2013.01);
Abstract
A thermal print head includes a base member, an electrode layer formed on the base member, and a resistor layer formed on the base member. The electrode layer includes a common electrode and individual electrodes. The resistor layer includes heating units aligned in a main scanning direction. The heating units each include a first heating element and a second heating element spaced apart from each other. The first heating element and the second heating element are electrically connected to the common electrode and one of the individual electrodes to which the first heating element is electrically connected.