JPH0159396U - - Google Patents
Info
- Publication number
- JPH0159396U JPH0159396U JP15499387U JP15499387U JPH0159396U JP H0159396 U JPH0159396 U JP H0159396U JP 15499387 U JP15499387 U JP 15499387U JP 15499387 U JP15499387 U JP 15499387U JP H0159396 U JPH0159396 U JP H0159396U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic tube
- acoustically coupled
- tube
- microphone unit
- microphone
- 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
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15499387U JPH0159396U (ru) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15499387U JPH0159396U (ru) | 1987-10-09 | 1987-10-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0159396U true JPH0159396U (ru) | 1989-04-13 |
Family
ID=31432215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15499387U Pending JPH0159396U (ru) | 1987-10-09 | 1987-10-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0159396U (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991019406A1 (en) * | 1990-05-25 | 1991-12-12 | Mitsubishi Denki Kabushiki Kaisha | Speaker system |
-
1987
- 1987-10-09 JP JP15499387U patent/JPH0159396U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991019406A1 (en) * | 1990-05-25 | 1991-12-12 | Mitsubishi Denki Kabushiki Kaisha | Speaker system |