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. 04, 2012
Filed:
Jun. 26, 2009
Tomoko Kudo, Kawasaki, JP;
Tatsuo Furukawa, Zama, JP;
Nobuyuki Hirayama, Fujisawa, JP;
Ryo Kasai, Tokyo, JP;
Tomoyuki Inoue, Tokyo, JP;
Tomoko Kudo, Kawasaki, JP;
Tatsuo Furukawa, Zama, JP;
Nobuyuki Hirayama, Fujisawa, JP;
Ryo Kasai, Tokyo, JP;
Tomoyuki Inoue, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A recording head having a plurality of recording elements that are grouped into a plurality of blocks and ejecting ink by driving the recording elements in a time-divisional manner includes driving units configured to drive the recording elements, an input unit configured to receive an enable signal that defines a period during which the driving of the recording elements is enabled at one ink ejection, and a control unit configured to control the time-divisional driving by the driving units on the basis of pulses detected during the period defined by the enable signal received by the input unit.