JPH01146698U - - Google Patents
Info
- Publication number
- JPH01146698U JPH01146698U JP4107988U JP4107988U JPH01146698U JP H01146698 U JPH01146698 U JP H01146698U JP 4107988 U JP4107988 U JP 4107988U JP 4107988 U JP4107988 U JP 4107988U JP H01146698 U JPH01146698 U JP H01146698U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- brake hole
- diaphragm
- terminal piece
- handset
- 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
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 238000013016 damping Methods 0.000 claims 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4107988U JPH01146698U (en]) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4107988U JPH01146698U (en]) | 1988-03-30 | 1988-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01146698U true JPH01146698U (en]) | 1989-10-09 |
Family
ID=31267530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4107988U Pending JPH01146698U (en]) | 1988-03-30 | 1988-03-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01146698U (en]) |
-
1988
- 1988-03-30 JP JP4107988U patent/JPH01146698U/ja active Pending