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:
Sep. 15, 1992
Filed:
Sep. 17, 1990
Masaaki Izumida, Kawasaki, JP;
Koichi Sato, Yokohama, JP;
Shigeaki Tanaka, Kawasaki, JP;
Tsuguhiro Fukuda, Yokohama, JP;
Nobuyuki Kuwabara, Tokyo, JP;
Akira Goto, Yokohama, JP;
Takashi Watanabe, Yokohama, JP;
Kunihiko Maeoka, Kawasaki, JP;
Hiroshi Sugitani, Machida, JP;
Yoshifumi Hattori, Yamato, JP;
Masami Ikeda, Tokyo, JP;
Asao Saito, Yokohama, JP;
Kazuaki Masuda, Sagamihara, JP;
Akio Saito, Hadano, JP;
Tsuyoshi Orikasa, Kasukabe, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid jet recording head includes a heat generating element; a heat acting zone in which heat generated by the heat generating device acts on liquid; a liquid feeding passage adjacent to the heat acting zone having a liquid supply opening for supplying liquid to the heat acting zone; a liquid ejection passage adjacent the heat acting zone and having an orifice through which the liquid is ejected; wherein a center line passing through the center of the liquid supply opening along a direction of the liquid supply from the liquid supply passage to the heat acting zone is directly across a wall constituting the liquid ejection passage.