Title:
圧電式発光装置
Document Type and Number:
Japanese Patent JP4577740
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a light-emitting device that generates large electromotive force even with small stress, and which has a simple structure and is highly durable. SOLUTION: When a weight undergoes pendulum motion, by having a hammer impart shock to piezoelectric ceramic, thus providing the improved light- emitting device.
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Inventors:
Makoto Kaneko
Application Number:
JP2000249089A
Publication Date:
November 10, 2010
Filing Date:
August 18, 2000
Export Citation:
Assignee:
NEC TOKIN CORPORATION
International Classes:
H01L41/113; H01L33/00
Domestic Patent References:
| JP5191686A | ||||
| JP116732A | ||||
| JP6287125A | ||||
| JP11253071A | ||||
| JP2001145375A |