JPH0412739U - - Google Patents

Info

Publication number
JPH0412739U
JPH0412739U JP5378290U JP5378290U JPH0412739U JP H0412739 U JPH0412739 U JP H0412739U JP 5378290 U JP5378290 U JP 5378290U JP 5378290 U JP5378290 U JP 5378290U JP H0412739 U JPH0412739 U JP H0412739U
Authority
JP
Japan
Prior art keywords
handset
piezoelectric
cover
ring
shaped protrusion
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
JP5378290U
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 JP5378290U priority Critical patent/JPH0412739U/ja
Publication of JPH0412739U publication Critical patent/JPH0412739U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Telephone Set Structure (AREA)
JP5378290U 1990-05-23 1990-05-23 Pending JPH0412739U (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5378290U JPH0412739U (cs) 1990-05-23 1990-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5378290U JPH0412739U (cs) 1990-05-23 1990-05-23

Publications (1)

Publication Number Publication Date
JPH0412739U true JPH0412739U (cs) 1992-01-31

Family

ID=31575268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5378290U Pending JPH0412739U (cs) 1990-05-23 1990-05-23

Country Status (1)

Country Link
JP (1) JPH0412739U (cs)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647750A (en) * 1987-06-30 1989-01-11 Tamura Electric Works Ltd Piezo-electric ceramic type transmitter
JPH01221967A (ja) * 1988-03-01 1989-09-05 Matsushita Electric Ind Co Ltd 電話用送受話器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS647750A (en) * 1987-06-30 1989-01-11 Tamura Electric Works Ltd Piezo-electric ceramic type transmitter
JPH01221967A (ja) * 1988-03-01 1989-09-05 Matsushita Electric Ind Co Ltd 電話用送受話器

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