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 8740350 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 03, 2014

Filed:

Jun. 10, 2009
Applicants:

Masataka Sakurai, Kawasaki, JP;

Tatsuo Furukawa, Zama, JP;

Hidenori Watanabe, Zama, JP;

Nobuyuki Hirayama, Fujisawa, JP;

Ryo Kasai, Setagaya-ku, JP;

Inventors:

Masataka Sakurai, Kawasaki, JP;

Tatsuo Furukawa, Zama, JP;

Hidenori Watanabe, Zama, JP;

Nobuyuki Hirayama, Fujisawa, JP;

Ryo Kasai, Setagaya-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/15 (2006.01);
U.S. Cl.
CPC ...
Abstract

An inkjet recording head substrate having an electrothermal transducer for generating thermal energy used to discharge ink and a drive element for driving the electrothermal transducer mounted thereon includes a first circuit portion for outputting selection signals for selecting the electrothermal transducer to be driven at a amplitude level of a second voltage higher than a first voltage based on an input signal of the amplitude level of the first voltage, a second circuit portion for inputting the selection signals from the first circuit portion and controlling the drive element corresponding to the electrothermal transducer to be driven based on the selection signals subject to the second voltage, and a plurality of signal lines for transmitting the selection signals between the first and second circuit portions.


Find Patent Forward Citations

Sakurai, Masataka. (2014). Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatus (U.S. Patent No. 8740350). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8740350

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

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