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:
Nov. 01, 1994
Filed:
Mar. 22, 1993
Applicant:
Inventor:
Fumiaki Tagashira, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
346 / ;
Abstract
A divisional-type thermal printhead comprises an insulating base board, and a plurality of unit substrates arranged in series on the base board. The unit substrates have their respective common electrodes in electrical independence of each other. Further, the base board is formed with a plurality of conductor films extending under the respective unit substrates in corresponding relation thereto, and each of the conductor films is electrically independent of the other conductor films but electrically connected to the common electrode of a corresponding unit substrate.