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:
Jun. 13, 1978
Filed:
Sep. 17, 1976
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DT;
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; B41J / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
The invention relates to a piezoelectric drive element for cast printer heads used in ink-operated mosaic printer units in which printing liquid is ejected droplet fashion by a mechanism of piezoelectric contraction of the cylindrical drive elements which surround the ink passages, said drive element comprising a plurality of drive electrodes in furtherance of the proposed operation in accordance with the teachings of this invention.