JPS639191Y2 - - Google Patents
Info
- Publication number
- JPS639191Y2 JPS639191Y2 JP14494882U JP14494882U JPS639191Y2 JP S639191 Y2 JPS639191 Y2 JP S639191Y2 JP 14494882 U JP14494882 U JP 14494882U JP 14494882 U JP14494882 U JP 14494882U JP S639191 Y2 JPS639191 Y2 JP S639191Y2
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- leak hole
- yoke
- case
- diaphragm
- 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.)
- Expired
Links
- 239000011358 absorbing material Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14494882U JPS5950183U (ja) | 1982-09-25 | 1982-09-25 | ヘツドホン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14494882U JPS5950183U (ja) | 1982-09-25 | 1982-09-25 | ヘツドホン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5950183U JPS5950183U (ja) | 1984-04-03 |
JPS639191Y2 true JPS639191Y2 (en]) | 1988-03-18 |
Family
ID=30323088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14494882U Granted JPS5950183U (ja) | 1982-09-25 | 1982-09-25 | ヘツドホン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5950183U (en]) |
-
1982
- 1982-09-25 JP JP14494882U patent/JPS5950183U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5950183U (ja) | 1984-04-03 |