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:
Jul. 04, 1989
Filed:
May. 16, 1988
Applicant:
Inventor:
Juichi Tatsumi, Tokorozawa, JP;
Assignee:
Ye Data Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ; B41J / ; B41J / ; H01F / ;
U.S. Cl.
CPC ...
400121 ; 101 9304 ; 101 9348 ; 4001572 ;
Abstract
A spring-charge type printing head has an elongatable support including a piezoelectric element provided between an attracting permanent magnet and a hammer-fixing portion. Accordingly, the printing head can be operated at a high speed and require less power than a conventional device.