Title:
【発明の名称】ホイル構造を有するキ-ボ-ド
Document Type and Number:
Japanese Patent JP2563272
Kind Code:
B2
Abstract:
The keyboard comprises piezoelectric crystal elements arranged between laminates provided with conducting strips. A voltage is generated when pressure is applied to the elements. The keyboard is tensionless in its rest state and contains no unwanted air spaces.
Inventors:
TOOMASU ITEN
Application Number:
JP17351886A
Publication Date:
December 11, 1996
Filing Date:
July 23, 1986
Export Citation:
Assignee:
DEINARAAPU AG
International Classes:
H01H13/00; H01H13/70; H03K17/967; H03K17/96; H03K17/965; (IPC1-7): H01H13/00; H03K17/967
Domestic Patent References:
| JP5966018A | ||||
| JP54153284A | ||||
| JP5745729U |
Attorney, Agent or Firm:
Kyozo Yuasa (4 outside)