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Patent Searching and Data


Title:
BONE CONDUCTION ACOUSTIC TRANSMISSION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/053990
Kind Code:
A1
Abstract:
[Problem] To further ensure suppression of sound leakage to an external environment. [Solution] A bone conduction acoustic transmission apparatus according to the present invention is provided with: a first magnetic body that is implanted in or made contact with in advance the head of a living body; and a coil unit that is provided separately from the first magnetic body, wherein the coil unit has a coil that is configured by using a prescribed casing attachable to the first magnetic body, and has a second magnetic body that is provided to the casing at a prescribed position and that is not vibrated by the coil, and the first magnetic body is vibrated by applying an acoustic signal to the coil in a state where the coil unit is mounted to the head.

Inventors:
REKIMOTO, Junichi (INC. 3-14-13, Higashi-gotanda, Shinagawa-k, Tokyo 22, 〒1410022, JP)
Application Number:
JP2018/023399
Publication Date:
March 21, 2019
Filing Date:
June 20, 2018
Export Citation:
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Assignee:
SONY CORPORATION (1-7-1, Konan Minato-k, Tokyo 75, 〒1080075, JP)
International Classes:
H04R1/00; H04R11/02
Foreign References:
US20170086002A12017-03-23
JP2007184722A2007-07-19
JP2016134785A2016-07-25
JP2009538714A2009-11-12
Attorney, Agent or Firm:
KAMEYA, Yoshiaki et al. (HAZUKI INTERNATIONAL YOTSUYA, Daiichi Tomizawa Building 3-1-3, Yotsuya, Shinjuku-k, Tokyo 04, 〒1600004, JP)
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