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:
Oct. 11, 2011
Filed:
Jun. 28, 2010
Hideo Kanno, Yokohama, JP;
Hideo Kanno, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A recording head in which a plurality of recording elements is arranged in an order is provided. The recording head includes a plurality of driving circuits that generate signals for driving transistors, each of the plurality of driving circuits being provided for a corresponding one of the plurality of recording elements. The recording head further includes a plurality of temperature acquisition circuits that acquire temperatures of the recording elements and a signal generation circuit that generates signals for sequentially driving the recording elements. The temperature acquisition circuit corresponding to the first recording element performs acquisition of a temperature based on a signal that is generated by the driving circuit corresponding to the second recording element and a signal that is generated by the driving circuit corresponding to the third recording element.