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:
Jun. 05, 2001
Filed:
Dec. 22, 1997
Hiroyuki Ishinaga, Tokyo, JP;
Junji Shimoda, Chigasaki, JP;
Fumio Murooka, Atsugi, JP;
Tatsuo Furukawa, Atsugi, JP;
Hiroyuki Maru, Atsugi, JP;
Masaaki Izumida, Kawasaki, JP;
Yoshinori Misumi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a print head of this invention, electricity-to-heat converters and a driver circuit for driving these electricity-to-heat converters in accordance with print data are formed on a single board. The board further includes an input/output interface circuit for receiving print data from an external apparatus, a CPU for controlling a printer apparatus, a ROM, a RAM, an A/D converter, a D/A converter, a timer, and the like, and also includes an external element driver for driving a mechanism portion of the printer apparatus.