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:
Dec. 06, 2011
Filed:
Jun. 08, 2009
Ryoji Oohashi, Yokohama, JP;
Yoshiyuki Imanaka, Kawasaki, JP;
Koichi Omata, Kawasaki, JP;
Hideo Tamura, Kawasaki, JP;
Takaaki Yamaguchi, Yokohama, JP;
Kousuke Kubo, Yokohama, JP;
Yuuji Tamaru, Yokohama, JP;
Masafumi Takimoto, Tokyo, JP;
Ryoji Oohashi, Yokohama, JP;
Yoshiyuki Imanaka, Kawasaki, JP;
Koichi Omata, Kawasaki, JP;
Hideo Tamura, Kawasaki, JP;
Takaaki Yamaguchi, Yokohama, JP;
Kousuke Kubo, Yokohama, JP;
Yuuji Tamaru, Yokohama, JP;
Masafumi Takimoto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There are provided a printing head substrate, an ink jet printing head and an ink jet printing apparatus, which accurately detect a temperature state in the central part of a heater array on the substrate and restrict an area of the substrate to a minimum. A printing head substrate has a plurality of heating elements, a plurality of ink supply openings, a logic circuit for driving the heating elements; a substrate temperature detecting element for detecting a temperature of the printing head substrate, and input and output pads for carrying out reception and supply of a signal between a printing apparatus, and the logic circuit and the substrate temperature detecting element, wherein a beam integral with the substrate is provided between the plurality of ink supply openings, and the substrate temperature detecting element is arranged on the beam.