Title:
SOUND REPRODUCTION DEVICE AND SOUND REPRODUCTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/016432
Kind Code:
A1
Abstract:
The sound reproduction device according to the present disclosure comprises a detection device which detects an object in a detection region, and an ultra-directional speaker which can output a sound. The ultra-directional speaker is configured to have directivity toward the detection region. When the detection device has detected an object in the detection region, the ultra-directional speaker outputs a sound toward the detection region.
Inventors:
SAITO TAKAO
TATE SUMIO
TAKASHIRO MAKOTO
TSUKIO YASUNOBU
KONNO FUMIYASU
TATE SUMIO
TAKASHIRO MAKOTO
TSUKIO YASUNOBU
KONNO FUMIYASU
Application Number:
PCT/JP2017/025686
Publication Date:
January 25, 2018
Filing Date:
July 14, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G08B15/00; G08B25/00; H04R1/40
Foreign References:
| JP2014194607A | 2014-10-09 | |||
| JP2005080227A | 2005-03-24 | |||
| JP2007233679A | 2007-09-13 | |||
| JP2006185127A | 2006-07-13 | |||
| JPH09237390A | 1997-09-09 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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