JPH0386691U - - Google Patents
Info
- Publication number
- JPH0386691U JPH0386691U JP14915189U JP14915189U JPH0386691U JP H0386691 U JPH0386691 U JP H0386691U JP 14915189 U JP14915189 U JP 14915189U JP 14915189 U JP14915189 U JP 14915189U JP H0386691 U JPH0386691 U JP H0386691U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- speaker
- sub
- cancel
- pressure side
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Headphones And Earphones (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14915189U JPH0386691U (en]) | 1989-12-25 | 1989-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14915189U JPH0386691U (en]) | 1989-12-25 | 1989-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0386691U true JPH0386691U (en]) | 1991-09-02 |
Family
ID=31695567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14915189U Pending JPH0386691U (en]) | 1989-12-25 | 1989-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0386691U (en]) |
-
1989
- 1989-12-25 JP JP14915189U patent/JPH0386691U/ja active Pending
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