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Patent Searching and Data


Title:
電気音響変換器
Document Type and Number:
Japanese Patent JP6383882
Kind Code:
B2
Abstract:
An electroacoustic transduction film including a polymer composite piezoelectric body in which piezoelectric body particles are dispersed in a viscoelastic matrix formed of a polymer material having viscoelasticity at a normal temperature, and thin film electrodes respectively laminated on both surfaces of the polymer composite piezoelectric body is included, and two or more of the electroacoustic transduction films are laminated, and a gap between the adjacent electroacoustic transduction films is less than or equal to 3 cm.

Inventors:
Satoshi Miyoshi
Application Number:
JP2017546527A
Publication Date:
August 29, 2018
Filing Date:
October 14, 2016
Export Citation:
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Assignee:
FUJIFILM Corporation
International Classes:
H04R17/00; G10K11/175; H04R3/00; H04R17/02
Domestic Patent References:
JP55115799A
JP2014014063A
Attorney, Agent or Firm:
Nozomi Watanabe
Hideaki Ito
Fumio Mitsuhashi