Title:
SPEAKER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/153284
Kind Code:
A1
Abstract:
A speaker system (100) is provided with: an annular oscillator (101); a first bobbin (102) which has a cylindrical shape and which is physically connected to the oscillator (101); a first voice coil (103) which is wound around the first bobbin (102); a second bobbin (104) which has a cylindrical shape having a larger opening than the first bobbin (102) and which is physically connected to the oscillator (101); a second voice coil (105) which is wound around the second bobbin (104); and an output unit which is electrically connected to the first voice coil (103) and to the second voice coil (105) and which outputs to the first voice coil (103) and to the second voice coil (105) electric signals having different frequency characteristics from each other.
More Like This:
| JPH0918992 | SPEAKER UNIT |
| JPS60112190 | [Title of the device] Compounded type speaker |
Inventors:
ISHIKAWA YUSUKE (JP)
INAGAKI KAZUYUKI (JP)
INAGAKI KAZUYUKI (JP)
Application Number:
PCT/JP2021/001350
Publication Date:
August 05, 2021
Filing Date:
January 15, 2021
Export Citation:
Assignee:
JVCKENWOOD CORP (JP)
International Classes:
H04R1/24; H04R3/14; H04R7/12; H04R9/02; H04R9/04; H04R9/06
Domestic Patent References:
| WO2015029303A1 | 2015-03-05 |
Foreign References:
| JPS56132095A | 1981-10-16 | |||
| JP2014053684A | 2014-03-20 | |||
| JPH0918992A | 1997-01-17 | |||
| JPS57121393A | 1982-07-28 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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