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
Application number
JP4107988U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4107988U priority Critical patent/JPH01146698U/ja
Publication of JPH01146698U publication Critical patent/JPH01146698U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP4107988U 1988-03-30 1988-03-30 Pending JPH01146698U (US20090163788A1-20090625-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4107988U JPH01146698U (US20090163788A1-20090625-C00002.png) 1988-03-30 1988-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4107988U JPH01146698U (US20090163788A1-20090625-C00002.png) 1988-03-30 1988-03-30

Publications (1)

Publication Number Publication Date
JPH01146698U true JPH01146698U (US20090163788A1-20090625-C00002.png) 1989-10-09

Family

ID=31267530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4107988U Pending JPH01146698U (US20090163788A1-20090625-C00002.png) 1988-03-30 1988-03-30

Country Status (1)

Country Link
JP (1) JPH01146698U (US20090163788A1-20090625-C00002.png)

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