Title:
BONE CONDUCTION SPEAKER AND BONE CONDUCTION HEADPHONE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/079318
Kind Code:
A1
Abstract:
A bone conduction speaker comprising: a vibration driver having a magnetic circuit and a diaphragm and converting sound to vibration; a vibrating body that holds the magnetic circuit side of the vibration driver, comes in contact with a target object, and transmits the vibration of the vibration driver to the target object; and a lid that covers the diaphragm side of the vibration driver, in a state in which the lid is not in contact with the vibration driver, and, together with the vibrating body, substantially seals the vibration driver.
Inventors:
KUNIMOTO HIROSHI
NAKAO SUGURU
NAKAO SUGURU
Application Number:
PCT/JP2017/037307
Publication Date:
May 03, 2018
Filing Date:
October 16, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/10; H04R1/00
Domestic Patent References:
| WO2014103087A1 | 2014-07-03 | |||
| WO2015040832A1 | 2015-03-26 |
Foreign References:
| JP2009069219A | 2009-04-02 | |||
| JPH0937536A | 1997-02-07 | |||
| JP2011119913A | 2011-06-16 | |||
| JP2002165297A | 2002-06-07 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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