Title:
HEADSET
Document Type and Number:
WIPO Patent Application WO/2021/241641
Kind Code:
A1
Abstract:
A headset of the present invention comprises a housing 1 to be worn on an ear of a user, and a tubular external ear canal-inserted portion 10 provided on a part of the housing 1 on the external ear canal side. A signal output driver 4 is provided in the housing 1. A microphone 5 for acquiring a response signal forward of the driver 4 is provided rearward of a signal output surface of the driver 4.
Inventors:
HANADA TAKESHI (JP)
LIU LIGANG (JP)
KONDOU YUSUKE (JP)
LIU LIGANG (JP)
KONDOU YUSUKE (JP)
Application Number:
PCT/JP2021/020033
Publication Date:
December 02, 2021
Filing Date:
May 26, 2021
Export Citation:
Assignee:
FOSTER ELECTRIC CO LTD (JP)
International Classes:
H04R1/10; G10K11/178; H04M1/03
Domestic Patent References:
| WO2016181431A1 | 2016-11-17 |
Foreign References:
| US20180096674A1 | 2018-04-05 | |||
| JP2011015080A | 2011-01-20 | |||
| US20190230448A1 | 2019-07-25 | |||
| US10021478B2 | 2018-07-10 | |||
| JP4734441B2 | 2011-07-27 | |||
| JP2009509575A | 2009-03-12 |
Other References:
See also references of EP 4161090A4
Attorney, Agent or Firm:
KIUCHI Mitsuharu et al. (JP)
Download PDF:
Previous Patent: CAN LID TAB AND CAN LID
Next Patent: TEMPERATURE ADJUSTMENT UNIT AND METHOD FOR MANUFACTURING TEMPERATURE ADJUSTMENT UNIT
Next Patent: TEMPERATURE ADJUSTMENT UNIT AND METHOD FOR MANUFACTURING TEMPERATURE ADJUSTMENT UNIT