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. 23, 2003
Filed:
May. 21, 1999
Applicant:
Inventors:
Toshiyuki Sekiya, Mishima, JP;
Mitsuo Shiraishi, Shizuoka-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 ;
U.S. Cl.
CPC ...
B41J 2/435 ;
Abstract
To prevent an electrical short due to ion movement in a semiconductor chip and improve the reliability. In a predetermined period T in which light-emitting or transfer operation is not performed by light-emitting elements, control signals &phgr; &phgr;I, and &phgr;S and a signal &phgr;m of a negative-electrode-side power-supply input unit are set to a potential or high-impedance state same as that of a positive-electrode-side power-supply input unit.
Sekiya, Toshiyuki. (2003). Semiconductor-chip control apparatus and control method and image recording apparatus and its control method (U.S. Patent No. 6624838). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6624838
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