JPS58121427U - ceramic filter - Google Patents

ceramic filter

Info

Publication number
JPS58121427U
JPS58121427U JP1886182U JP1886182U JPS58121427U JP S58121427 U JPS58121427 U JP S58121427U JP 1886182 U JP1886182 U JP 1886182U JP 1886182 U JP1886182 U JP 1886182U JP S58121427 U JPS58121427 U JP S58121427U
Authority
JP
Japan
Prior art keywords
ceramic filter
piezoelectric diaphragm
electrodes
vibrator
vibrators
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
JP1886182U
Other languages
Japanese (ja)
Inventor
榊原 好豊
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP1886182U priority Critical patent/JPS58121427U/en
Publication of JPS58121427U publication Critical patent/JPS58121427U/en
Pending legal-status Critical Current

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案にかかるセラミックフィルタに用いる振
動子の年明図、第2図は本考案め一実施例におけるセラ
ミックフィルタの結線図、第3図は同セラミックフィル
タの平面図である。 ?、  la、  lb・・・圧電振動板、2・・・電
極、3a。 3b・・・振動子、4・・・溝。
FIG. 1 is a year-end view of a vibrator used in a ceramic filter according to the present invention, FIG. 2 is a wiring diagram of a ceramic filter according to an embodiment of the present invention, and FIG. 3 is a plan view of the same ceramic filter. ? , la, lb...piezoelectric diaphragm, 2...electrode, 3a. 3b... vibrator, 4... groove.

Claims (1)

【実用新案登録請求の範囲】 1 圧電振動板の少なくとも一部に厚さ方^に沿う分極
を施こし、この圧電振動板の両面のうち少なくとも一方
の面に複数個あ電極を設け、これら電極間によって厚み
すべり振動のエネルギーが閉じ込められる振動子を前記
1枚の圧電振動板に複数個構成したセラミックフィルタ
。 2 圧電振動板の両面のうち少なくとも一方の面には、
圧電振動板中に構成された各振動子を区画する溝が形成
されている実用新案登録請求の範囲第1項記載のセラミ
ックフィルタ。
[Claims for Utility Model Registration] 1. At least a part of a piezoelectric diaphragm is polarized along the thickness direction, a plurality of electrodes are provided on at least one of both surfaces of the piezoelectric diaphragm, and these electrodes A ceramic filter in which the single piezoelectric diaphragm includes a plurality of vibrators in which the energy of thickness shear vibration is trapped between the gaps. 2. On at least one of both sides of the piezoelectric diaphragm,
The ceramic filter according to claim 1, wherein grooves are formed in the piezoelectric diaphragm to partition each vibrator.
JP1886182U 1982-02-12 1982-02-12 ceramic filter Pending JPS58121427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1886182U JPS58121427U (en) 1982-02-12 1982-02-12 ceramic filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1886182U JPS58121427U (en) 1982-02-12 1982-02-12 ceramic filter

Publications (1)

Publication Number Publication Date
JPS58121427U true JPS58121427U (en) 1983-08-18

Family

ID=30031106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1886182U Pending JPS58121427U (en) 1982-02-12 1982-02-12 ceramic filter

Country Status (1)

Country Link
JP (1) JPS58121427U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327739B2 (en) * 1972-04-19 1978-08-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327739B2 (en) * 1972-04-19 1978-08-10

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