JPS6266496U - - Google Patents

Info

Publication number
JPS6266496U
JPS6266496U JP9495785U JP9495785U JPS6266496U JP S6266496 U JPS6266496 U JP S6266496U JP 9495785 U JP9495785 U JP 9495785U JP 9495785 U JP9495785 U JP 9495785U JP S6266496 U JPS6266496 U JP S6266496U
Authority
JP
Japan
Prior art keywords
air chamber
rear air
container
piezoelectric buzzer
piezoelectric
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
JP9495785U
Other languages
English (en)
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 JP9495785U priority Critical patent/JPS6266496U/ja
Publication of JPS6266496U publication Critical patent/JPS6266496U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第1図は本考案の圧電ブザーの一実施例を示す
断面図、第2図は第1図に示す圧電ブザーの音圧
特性図であり、第3図は従来の圧電ブザーの断面
図である。 1,11……容器、4,15……放音孔、5,
12……圧電振動子、8……補助孔、A,X……
前気室、B,Y……後気室。
補正 昭61.11.21 考案の名称を次のように補正する。 考案の名称 圧電ブザー

Claims (1)

    【実用新案登録請求の範囲】
  1. 容器内部に圧電振動子を取着収納し、容器内部
    を容積が大の前気室と容積が小の後気室とに区分
    して成る圧電ブザーにおいて、前記前気室に放音
    孔を形成するとともに後気室に、後気室の全表面
    積に対し0.3乃至5.0%の開口面積を有する
    補助孔を形成したことを特徴とする圧電ブザー。
JP9495785U 1985-06-21 1985-06-21 Pending JPS6266496U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9495785U JPS6266496U (ja) 1985-06-21 1985-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9495785U JPS6266496U (ja) 1985-06-21 1985-06-21

Publications (1)

Publication Number Publication Date
JPS6266496U true JPS6266496U (ja) 1987-04-24

Family

ID=30958941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9495785U Pending JPS6266496U (ja) 1985-06-21 1985-06-21

Country Status (1)

Country Link
JP (1) JPS6266496U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258299U (ja) * 1988-10-20 1990-04-26
JP2009230546A (ja) * 2008-03-24 2009-10-08 Panasonic Electric Works Co Ltd 火災警報器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0258299U (ja) * 1988-10-20 1990-04-26
JP2009230546A (ja) * 2008-03-24 2009-10-08 Panasonic Electric Works Co Ltd 火災警報器

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