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:
Aug. 12, 2003
Filed:
Apr. 06, 2001
Osamu Takizawa, Chiba, JP;
Norimitsu Sambongi, Chiba, JP;
Noriyoshi Shoji, Chiba, JP;
Yuji Nakamura, Chiba, JP;
Taro Ito, Chiba, JP;
Yumiko Yamaguchi, Chiba, JP;
Seiko Instruments Inc., , JP;
Abstract
A thermal head and a thermal head unit are provided, which can prevent density variation while suppressing the size of the thermal head to be small. In a thermal head ( ) having a head chip ( ) having one surface on which heat generating elements and segment and common electrodes connected to the heat generating elements are provided, and an IC chip ( ) connected to the segment electrodes, the common electrode ( ) provided to the head chip ( ) is elongated in an array direction of the heat generating elements, and connections between the common electrode ( ) and common electrode wirings ( ) are provided at plural locations along the array direction.