Patent · US Expired

Piezoelectric drive element for the printer heads used in ink-operated mosaic printer units

US4095238A · kind A · utility

9Cited by

4References

2Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Erich Kattner · Munich, DE
Max Guntersdorfer
Joachim Heinzl · Munich, DE

Key dates

Filing date	Sep 17, 1976
Grant date	Jun 13, 1978
Priority date	—
Expiry date	Sep 17, 1996

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2002/14379
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.