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. 03, 1982
Filed:
Apr. 10, 1980
Applicant:
Inventors:
Michael Kallmeyer, Boeblingen, DE;
Hans Rosch, Reutlingen, DE;
Claus Scheuing, Lorch, DE;
Bernhard Solf, Sindelfingen, DE;
Assignee:
Discovision Associates, Costa Mesa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; G11B / ;
U.S. Cl.
CPC ...
310328 ; 310369 ; 369 45 ; 369112 ;
Abstract
A deflection arrangement is described which comprises several piezocrystal elements which are separately driven by a positive or a negative voltage. In this configuration, there is no elastic hysteresis. The arrangement is particularly suitable for automatic focusing systems.