JPS61176895U - - Google Patents
Info
- Publication number
- JPS61176895U JPS61176895U JP5928585U JP5928585U JPS61176895U JP S61176895 U JPS61176895 U JP S61176895U JP 5928585 U JP5928585 U JP 5928585U JP 5928585 U JP5928585 U JP 5928585U JP S61176895 U JPS61176895 U JP S61176895U
- Authority
- JP
- Japan
- Prior art keywords
- earphone
- opening
- chambers
- microphone
- speaker
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Headphones And Earphones (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Transceivers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5928585U JPS61176895U (th) | 1985-04-20 | 1985-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5928585U JPS61176895U (th) | 1985-04-20 | 1985-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61176895U true JPS61176895U (th) | 1986-11-05 |
Family
ID=30585569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5928585U Pending JPS61176895U (th) | 1985-04-20 | 1985-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61176895U (th) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003009272A (ja) * | 2001-06-22 | 2003-01-10 | Fukuoka Institute Of Technology | イヤホーンマイク |
-
1985
- 1985-04-20 JP JP5928585U patent/JPS61176895U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003009272A (ja) * | 2001-06-22 | 2003-01-10 | Fukuoka Institute Of Technology | イヤホーンマイク |
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