JPH0356296U - - Google Patents

Info

Publication number
JPH0356296U
JPH0356296U JP11715189U JP11715189U JPH0356296U JP H0356296 U JPH0356296 U JP H0356296U JP 11715189 U JP11715189 U JP 11715189U JP 11715189 U JP11715189 U JP 11715189U JP H0356296 U JPH0356296 U JP H0356296U
Authority
JP
Japan
Prior art keywords
conductor patterns
piezoelectric
recess
air chamber
insulating layer
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.)
Granted
Application number
JP11715189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0728799Y2 (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 JP1989117151U priority Critical patent/JPH0728799Y2/ja
Publication of JPH0356296U publication Critical patent/JPH0356296U/ja
Application granted granted Critical
Publication of JPH0728799Y2 publication Critical patent/JPH0728799Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1989117151U 1989-10-06 1989-10-06 圧電形電気音響変換器 Expired - Fee Related JPH0728799Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989117151U JPH0728799Y2 (ja) 1989-10-06 1989-10-06 圧電形電気音響変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989117151U JPH0728799Y2 (ja) 1989-10-06 1989-10-06 圧電形電気音響変換器

Publications (2)

Publication Number Publication Date
JPH0356296U true JPH0356296U (nl) 1991-05-30
JPH0728799Y2 JPH0728799Y2 (ja) 1995-06-28

Family

ID=31665391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989117151U Expired - Fee Related JPH0728799Y2 (ja) 1989-10-06 1989-10-06 圧電形電気音響変換器

Country Status (1)

Country Link
JP (1) JPH0728799Y2 (nl)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4723153U (nl) * 1971-04-09 1972-11-15
JPS6267724U (nl) * 1985-10-18 1987-04-27
JPS6449610A (en) * 1987-08-20 1989-02-27 Nitto Kogyo Kk Manufacture of roll mold

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4723153U (nl) * 1971-04-09 1972-11-15
JPS6267724U (nl) * 1985-10-18 1987-04-27
JPS6449610A (en) * 1987-08-20 1989-02-27 Nitto Kogyo Kk Manufacture of roll mold

Also Published As

Publication number Publication date
JPH0728799Y2 (ja) 1995-06-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees