JPH0230692U - - Google Patents
Info
- Publication number
- JPH0230692U JPH0230692U JP10898488U JP10898488U JPH0230692U JP H0230692 U JPH0230692 U JP H0230692U JP 10898488 U JP10898488 U JP 10898488U JP 10898488 U JP10898488 U JP 10898488U JP H0230692 U JPH0230692 U JP H0230692U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- sound pressure
- diaphragm
- passageway
- cavity
- 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
- 238000013016 damping Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10898488U JPH0230692U (OSRAM) | 1988-08-19 | 1988-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10898488U JPH0230692U (OSRAM) | 1988-08-19 | 1988-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230692U true JPH0230692U (OSRAM) | 1990-02-27 |
Family
ID=31344825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10898488U Pending JPH0230692U (OSRAM) | 1988-08-19 | 1988-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230692U (OSRAM) |
-
1988
- 1988-08-19 JP JP10898488U patent/JPH0230692U/ja active Pending
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