JPH0332832U - - Google Patents

Info

Publication number
JPH0332832U
JPH0332832U JP9270389U JP9270389U JPH0332832U JP H0332832 U JPH0332832 U JP H0332832U JP 9270389 U JP9270389 U JP 9270389U JP 9270389 U JP9270389 U JP 9270389U JP H0332832 U JPH0332832 U JP H0332832U
Authority
JP
Japan
Prior art keywords
electrode
slit
piezoelectric substrate
piezoelectric
piezoelectric filter
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
JP9270389U
Other languages
English (en)
Japanese (ja)
Other versions
JP2563654Y2 (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 JP1989092703U priority Critical patent/JP2563654Y2/ja
Priority to DE3936695A priority patent/DE3936695A1/de
Priority to US07/431,539 priority patent/US5159301A/en
Priority to FR8914512A priority patent/FR2648642B1/fr
Publication of JPH0332832U publication Critical patent/JPH0332832U/ja
Priority to US07/919,100 priority patent/US5373267A/en
Priority to US08/061,248 priority patent/US5373269A/en
Priority to US08/476,051 priority patent/US5644273A/en
Application granted granted Critical
Publication of JP2563654Y2 publication Critical patent/JP2563654Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
JP1989092703U 1989-06-14 1989-08-07 圧電フィルタ Expired - Lifetime JP2563654Y2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1989092703U JP2563654Y2 (ja) 1989-08-07 1989-08-07 圧電フィルタ
DE3936695A DE3936695A1 (de) 1989-06-14 1989-11-03 Piezoelektrischer resonator
US07/431,539 US5159301A (en) 1989-06-14 1989-11-03 Piezoelectric resonator device of the tuning fork type
FR8914512A FR2648642B1 (fr) 1989-06-14 1989-11-06 Dispositif resonateur piezo-electrique
US07/919,100 US5373267A (en) 1989-06-14 1992-07-23 Piezoelectric resonator device of tuning fork type
US08/061,248 US5373269A (en) 1989-06-14 1993-05-12 Piezoelectric resonator device of tuning fork type including a spacer member
US08/476,051 US5644273A (en) 1989-06-14 1995-06-07 Piezoelectric resonator device of tuning fork type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989092703U JP2563654Y2 (ja) 1989-08-07 1989-08-07 圧電フィルタ

Publications (2)

Publication Number Publication Date
JPH0332832U true JPH0332832U (pl) 1991-03-29
JP2563654Y2 JP2563654Y2 (ja) 1998-02-25

Family

ID=31642115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989092703U Expired - Lifetime JP2563654Y2 (ja) 1989-06-14 1989-08-07 圧電フィルタ

Country Status (1)

Country Link
JP (1) JP2563654Y2 (pl)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423394A (en) * 1977-07-22 1979-02-21 Kinsekisha Lab Ltd Tuning fork piezooelectric vibrator
JPS5561123A (en) * 1978-10-31 1980-05-08 Seiko Instr & Electronics Ltd Lithium tantalate vibrator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5423394A (en) * 1977-07-22 1979-02-21 Kinsekisha Lab Ltd Tuning fork piezooelectric vibrator
JPS5561123A (en) * 1978-10-31 1980-05-08 Seiko Instr & Electronics Ltd Lithium tantalate vibrator

Also Published As

Publication number Publication date
JP2563654Y2 (ja) 1998-02-25

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term