JPH0469921U - - Google Patents

Info

Publication number
JPH0469921U
JPH0469921U JP11361690U JP11361690U JPH0469921U JP H0469921 U JPH0469921 U JP H0469921U JP 11361690 U JP11361690 U JP 11361690U JP 11361690 U JP11361690 U JP 11361690U JP H0469921 U JPH0469921 U JP H0469921U
Authority
JP
Japan
Prior art keywords
piezoelectric vibrating
vibrating element
case
piezoelectric
principal
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
JP11361690U
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 JP11361690U priority Critical patent/JPH0469921U/ja
Publication of JPH0469921U publication Critical patent/JPH0469921U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の圧電振動部品の断
面図、第２図は従来の圧電振動部品の断面図、第
３図は圧電振動部品に用いられる圧電振動素子を
示す斜視図、第４図は圧電振動素子の共振が生じ
た場合の周波数と最大変位量との関係を示す図、
第５図は実施例の圧電振動部品において圧電振動
素子の変位が規制された状態を説明するための断
面図である。 図において、２１は圧電振動部品、２２はケー
ス、２３は圧電振動素子、２７は圧電基板、２８
，２９は共振電極、ｔ１，ｔ２は圧電振動素子の
主面とケース内面との間の距離を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 圧電基板の両主面に共振電極を形成してなる厚
    みすべり振動モードを利用した圧電振動素子と、 前記圧電振動素子を収納するケースとを備え、 前記圧電振動素子の両主面とケース内面との間
    に、該圧電振動素子の振動を妨げないための空間
    が形成されている圧電振動部品において、 前記圧電振動素子の少なくとも一方の主面とケ
    ース内面との間の距離が、圧電振動素子の限界変
    位量よりも小さくされていることを特徴とする、
    圧電振動部品。
JP11361690U 1990-10-29 1990-10-29 Pending JPH0469921U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11361690U JPH0469921U (ja) 1990-10-29 1990-10-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11361690U JPH0469921U (ja) 1990-10-29 1990-10-29

Publications (1)

Publication Number Publication Date
JPH0469921U true JPH0469921U (ja) 1992-06-22

Family

ID=31861222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11361690U Pending JPH0469921U (ja) 1990-10-29 1990-10-29

Country Status (1)

Country Link
JP (1) JPH0469921U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747567A (en) * 1980-06-27 1982-03-18 Honda Motor Co Ltd Method for charging in vertical casting machine
JPH0257622B2 (ja) * 1984-04-06 1990-12-05 Kurose Shoten Gomei

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5747567A (en) * 1980-06-27 1982-03-18 Honda Motor Co Ltd Method for charging in vertical casting machine
JPH0257622B2 (ja) * 1984-04-06 1990-12-05 Kurose Shoten Gomei

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