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.

Date of Patent:
Jul. 05, 1988

Filed:

Dec. 22, 1986
Applicant:
Inventors:

Chitose Nakaya, Tokyo, JP;

Hiroshi Takeuchi, Matsudo, JP;

Kageyoshi Katakura, Tokyo, JP;

Assignees:

Hitachi Metals, Ltd., Tokyo, JP;

Hitachi Medical Corp, Tokyo, JP;

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310334 ; 310357 ; 310358 ; 310366 ;
Abstract

An input device such as a keyboard or a tablet for input of pattern employing a piezoelectric material/polymer 1-3 composite of the structure in which a number of rods of piezoelectric material are buried in a polymer.


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