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.:

US 7641319 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 05, 2010

Filed:

Aug. 14, 2006
Applicant:

Fuminori Takizawa, Kanagawa, JP;

Inventor:

Fuminori Takizawa, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided a driving device of a liquid drop ejecting head, includes: a piezoelectric element for causing expulsion of liquid drops from an ejector which ejects liquid drops, a first electrode of the piezoelectric element being connected to a predetermined voltage; a switching section connected to a second electrode of the piezoelectric element, and able to switch among three states which are a charging state of the piezoelectric element, a discharging state of the piezoelectric element, and an open state; and a control section controlling switching of the switching section in a cycle which is shorter than a charging time or a discharging time of the piezoelectric element by the switching section.


Find Patent Forward Citations

Takizawa, Fuminori. (2010). Driving device and driving method of a liquid drop ejecting head, and liquid drop ejecting device (U.S. Patent No. 7641319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7641319

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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