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Patent Searching and Data


Title:
圧電発電装置
Document Type and Number:
Japanese Patent JP4048203
Kind Code:
B2
Abstract:
In order to provide a piezoelectric generating apparatus which ensures by one-time beating an electricity generation of more than dozens of times an output current that a piezoelectric generating apparatus with a conventional steel ball produces, a piezoelectric generating apparatus 1 comprises a piezoelectric ceramic boy 10 ; a cushion member 3 which supports the piezoelectric ceramic body 10 in a soft condition of hardly transmitting a characteristic vibration of the piezoelectric ceramic body 10 to other structure; and a beating means 20 which has an impact on the piezoelectric ceramic body 10 , the beating means 20 further comprising a hammer body 21, an elastic body 24 boosting the hammer body 21 in a direction of separating from the piezoelectric ceramic body 10 in the ordinary state and a switch member 27 changing a boosting direction of the elastic body 24.

Inventors:
Yasuhiro Sakai
Application Number:
JP2004568783A
Publication Date:
February 20, 2008
Filing Date:
December 22, 2003
Export Citation:
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Assignee:
USC Corporation
International Classes:
H02N2/00; E05B45/06; F03G7/06; F03G7/08; G08B13/16; H01L41/113; H02N2/18; E05B47/00; E05C3/04
Domestic Patent References:
JP2001145375A
JP8140369A
JP2001180553A
JP9205781A
JP10229684A
JP9182465A
JP676894U
Attorney, Agent or Firm:
Tetsuo Yamaguchi