JPH02150893U - - Google Patents

Info

Publication number
JPH02150893U
JPH02150893U JP5894989U JP5894989U JPH02150893U JP H02150893 U JPH02150893 U JP H02150893U JP 5894989 U JP5894989 U JP 5894989U JP 5894989 U JP5894989 U JP 5894989U JP H02150893 U JPH02150893 U JP H02150893U
Authority
JP
Japan
Prior art keywords
duct
absorbing material
sound absorbing
parallel
attached
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5894989U
Other languages
English (en)
Japanese (ja)
Other versions
JPH087759Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989058949U priority Critical patent/JPH087759Y2/ja
Publication of JPH02150893U publication Critical patent/JPH02150893U/ja
Application granted granted Critical
Publication of JPH087759Y2 publication Critical patent/JPH087759Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP1989058949U 1989-05-22 1989-05-22 位相反転型スピーカ装置 Expired - Fee Related JPH087759Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989058949U JPH087759Y2 (ja) 1989-05-22 1989-05-22 位相反転型スピーカ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989058949U JPH087759Y2 (ja) 1989-05-22 1989-05-22 位相反転型スピーカ装置

Publications (2)

Publication Number Publication Date
JPH02150893U true JPH02150893U (US07860544-20101228-C00003.png) 1990-12-27
JPH087759Y2 JPH087759Y2 (ja) 1996-03-04

Family

ID=31585015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989058949U Expired - Fee Related JPH087759Y2 (ja) 1989-05-22 1989-05-22 位相反転型スピーカ装置

Country Status (1)

Country Link
JP (1) JPH087759Y2 (US07860544-20101228-C00003.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124533U (US07860544-20101228-C00003.png) * 1978-02-20 1979-08-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124533U (US07860544-20101228-C00003.png) * 1978-02-20 1979-08-31

Also Published As

Publication number Publication date
JPH087759Y2 (ja) 1996-03-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees