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Title:
CARTILAGE CONDUCTION HEARING DEVICE USING ELECTROMAGNETIC-TYPE VIBRATION UNIT, AND ELECTROMAGNETIC-TYPE VIBRATION UNIT
Document Type and Number:
WIPO Patent Application WO/2016/098820
Kind Code:
A1
Abstract:
Provided is a portable telephone or an earphone or an electromagnetic-type vibration unit that comprises an electromagnetic-type vibrator including two mutually relatively moving portions supported via an elastic body, and that is configured to produce vibrations from at least one of the two portions for cartilage conduction. The elastic body provides a cartilage conduction portion to be contacted with the ear cartilage. The elastic body is disposed on or in the vicinity of an upper corner portion of a housing. One of the two portions is supported on a housing structure with the elastic body supported by the housing structure, and the other of the two portions is supported by the elastic body. Of the two portions, one with a greater weight is supported by the elastic body. Of the two portions, one or a portion connected thereto provides a cartilage conduction portion to be contacted with the ear cartilage, with the elastic body disposed between the two portions. From both of the two portions, vibrations to be conducted to the elastic body are obtained.

Inventors:
HOSOI HIROSHI (JP)
HOSOI YOJI (JP)
TANAKA MASAHIDE (JP)
Application Number:
PCT/JP2015/085252
Publication Date:
June 23, 2016
Filing Date:
December 16, 2015
Export Citation:
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Assignee:
ROHM CO LTD (JP)
FINEWELL CO LTD (JP)
International Classes:
H04R1/00; H04M1/02; H04M1/03; H04R1/02; H04R1/10
Foreign References:
JP2014229991A2014-12-08
JP2013055492A2013-03-21
JP2003145048A2003-05-20
JP2003103220A2003-04-08
Other References:
See also references of EP 3236669A4
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
Patent business corporation Sano patent firm (JP)
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