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Patent Searching and Data


Title:
ELECTRO-ACOUSTIC TRANSDUCER
Document Type and Number:
WIPO Patent Application WO/2017/069057
Kind Code:
A1
Abstract:
In the present invention, provided is an electro-acoustic transduction film comprising: a polymer composite piezoelectric body obtained by dispersing piezoelectric particles in a viscoelastic matrix formed from a polymer material that displays viscoelasticity at normal temperature; and thin film electrodes laminated on both sides of the polymer composite piezoelectric body. Two or more layers of the electro-acoustic transduction film are laminated and the distance between adjacent electro-acoustic transduction films is 3 cm or less.

Inventors:
MIYOSHI Tetsu (577 Ushijima, Kaisei-machi, Ashigara-kami-gu, Kanagawa 77, 〒2588577, JP)
Application Number:
JP2016/080551
Publication Date:
April 27, 2017
Filing Date:
October 14, 2016
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
H04R17/00; G10K11/178; H04R3/00; H04R17/02
Foreign References:
JPS55115799A1980-09-05
JP2014014063A2014-01-23
JPS5257493U1977-04-26
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (Yusen Iwamoto-cho Bldg. 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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