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. 01, 2009
Filed:
May. 24, 2006
Sumio Watanabe, Shinagawa, JP;
Fumio Sakurai, Shinagawa, JP;
Yukihiro Mori, Shinagawa, JP;
Norio Endo, Shinagawa, JP;
Shuko Yamaji, Shinagawa, JP;
Tomoyuki Yokoyama, Shinagawa, JP;
Sumio Watanabe, Shinagawa, JP;
Fumio Sakurai, Shinagawa, JP;
Yukihiro Mori, Shinagawa, JP;
Norio Endo, Shinagawa, JP;
Shuko Yamaji, Shinagawa, JP;
Tomoyuki Yokoyama, Shinagawa, JP;
Fujitsu Component Limited, Tokyo, JP;
Abstract
A thermal head driving method of driving thermal heads is disclosed. The method includes a step of dividing the thermal heads into plural groups, providing for each of the groups a common potential terminal, a step of using a drive circuit to drive the thermal heads of one or more of the groups, and a step of applying an operating voltage to the common potential terminal of said one or more groups driven by the drive circuit.