Title:
SOUND ZONING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/181036
Kind Code:
A1
Abstract:
A sound zoning system (1) divides a space (100) into a plurality of zones according to what kind of sound content can be heard in the space (100). The sound zoning system comprises: a plurality of first speaker devices (10) which belong to a first group for forming a first zone (101) among the plurality of zones; and a control device (70) that controls the plurality of first speaker devices (10) to form the first zone (101). Each of the plurality of first speaker devices (10) has directionality of no more than 45 degrees relative to sound of a frequency between 3 kHz and 5 kHz.
Inventors:
OKUNO TATSUYA
IKEDA JUNICHI
SAKAI TAKESHI
IKEDA JUNICHI
SAKAI TAKESHI
Application Number:
PCT/JP2021/048135
Publication Date:
September 01, 2022
Filing Date:
December 24, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H04R1/30; H04R1/02; H04R1/32; H04R3/00; H04R27/00
Domestic Patent References:
| WO2019092966A1 | 2019-05-16 |
Foreign References:
| JP2006101464A | 2006-04-13 | |||
| JPH02253800A | 1990-10-12 | |||
| JP2009194408A | 2009-08-27 | |||
| JP2019083374A | 2019-05-30 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
Download PDF:
Previous Patent: MOTOR
Next Patent: INVERTER CONTROL DEVICE, INVERTER CIRCUIT, MOTOR MODULE, AND INVERTER CONTROL METHOD
Next Patent: INVERTER CONTROL DEVICE, INVERTER CIRCUIT, MOTOR MODULE, AND INVERTER CONTROL METHOD