JPH0728800Y2 - 圧電形送話器 - Google Patents

圧電形送話器

Info

Publication number
JPH0728800Y2
JPH0728800Y2 JP2609289U JP2609289U JPH0728800Y2 JP H0728800 Y2 JPH0728800 Y2 JP H0728800Y2 JP 2609289 U JP2609289 U JP 2609289U JP 2609289 U JP2609289 U JP 2609289U JP H0728800 Y2 JPH0728800 Y2 JP H0728800Y2
Authority
JP
Japan
Prior art keywords
piezoelectric
hole
air chamber
plate
cover
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.)
Expired - Fee Related
Application number
JP2609289U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02118400U (enExample
Inventor
光雄 増田
征夫 山元
Original Assignee
株式会社田村電機製作所
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 by 株式会社田村電機製作所 filed Critical 株式会社田村電機製作所
Priority to JP2609289U priority Critical patent/JPH0728800Y2/ja
Publication of JPH02118400U publication Critical patent/JPH02118400U/ja
Application granted granted Critical
Publication of JPH0728800Y2 publication Critical patent/JPH0728800Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
JP2609289U 1989-03-09 1989-03-09 圧電形送話器 Expired - Fee Related JPH0728800Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2609289U JPH0728800Y2 (ja) 1989-03-09 1989-03-09 圧電形送話器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2609289U JPH0728800Y2 (ja) 1989-03-09 1989-03-09 圧電形送話器

Publications (2)

Publication Number Publication Date
JPH02118400U JPH02118400U (enExample) 1990-09-21
JPH0728800Y2 true JPH0728800Y2 (ja) 1995-06-28

Family

ID=31247403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2609289U Expired - Fee Related JPH0728800Y2 (ja) 1989-03-09 1989-03-09 圧電形送話器

Country Status (1)

Country Link
JP (1) JPH0728800Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004325169A (ja) * 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd 流体の流れ計測装置

Also Published As

Publication number Publication date
JPH02118400U (enExample) 1990-09-21

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Legal Events

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