CH501340A - Kristallfilter - Google Patents

Kristallfilter

Info

Publication number
CH501340A
CH501340A CH1598269A CH1598269A CH501340A CH 501340 A CH501340 A CH 501340A CH 1598269 A CH1598269 A CH 1598269A CH 1598269 A CH1598269 A CH 1598269A CH 501340 A CH501340 A CH 501340A
Authority
CH
Switzerland
Prior art keywords
crystal filter
crystal
filter
Prior art date
Application number
CH1598269A
Other languages
English (en)
Inventor
Ernest Fair Irvin
Charles Thompson Edwin
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of CH501340A publication Critical patent/CH501340A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezo-electric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
    • H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
    • H03H2003/0414—Resonance frequency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH1598269A 1968-10-30 1969-10-27 Kristallfilter CH501340A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77184368A 1968-10-30 1968-10-30

Publications (1)

Publication Number Publication Date
CH501340A true CH501340A (de) 1970-12-31

Family

ID=25093109

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1598269A CH501340A (de) 1968-10-30 1969-10-27 Kristallfilter

Country Status (8)

Country Link
US (1) US3573672A (de)
BE (1) BE740969A (de)
CH (1) CH501340A (de)
DE (1) DE1953826C2 (de)
FR (1) FR2021887A1 (de)
GB (1) GB1287002A (de)
NL (1) NL155693B (de)
SE (1) SE365083B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699484A (en) * 1970-06-24 1972-10-17 Vernitron Corp Width extensional resonator and coupled mode filter
US3697788A (en) * 1970-09-30 1972-10-10 Motorola Inc Piezoelectric resonating device
US3732510A (en) * 1970-10-12 1973-05-08 Bell Telephone Labor Inc Multisection precision-tuned monolithic crystal filters
US3676805A (en) * 1970-10-12 1972-07-11 Bell Telephone Labor Inc Monolithic crystal filter with auxiliary filter shorting tabs
JPS5329265B2 (de) * 1972-09-20 1978-08-19
US4112147A (en) * 1977-05-13 1978-09-05 Western Electric Company, Inc. Method of manufacturing a monolithic crystal filter
DE2823540C2 (de) * 1977-06-08 1985-04-18 Kinseki Ltd., Tokio/Tokyo Piezoelektrischer Mehrfachresonator
US4329666A (en) * 1980-08-11 1982-05-11 Motorola, Inc. Two-pole monolithic crystal filter
US4676993A (en) * 1984-11-29 1987-06-30 General Electric Company Method and apparatus for selectively fine-tuning a coupled-dual resonator crystal and crystal manufactured thereby
US4627379A (en) * 1984-11-29 1986-12-09 General Electric Company Shutter apparatus for fine-tuning a coupled-dual resonator crystal
US4833430A (en) * 1984-11-29 1989-05-23 General Electric Company Coupled-dual resonator crystal
US4839618A (en) * 1987-05-26 1989-06-13 General Electric Company Monolithic crystal filter with wide bandwidth and method of making same
KR960006639B1 (ko) * 1991-04-22 1996-05-22 모토로라 인코포레이티드 표면 설치 가능한 압전 장치
DE69416129T2 (de) * 1994-10-10 1999-07-01 Endress Hauser Gmbh Co Ein Verfahren zum Betrieb eines Ultraschallwandlers und Schaltungsanordnung zur Durchführung des Verfahrens
JPH1098350A (ja) * 1996-07-31 1998-04-14 Daishinku Co 圧電振動デバイス
US6020797A (en) * 1998-08-21 2000-02-01 Cts Corporation Electrode connection configuration and method for a multi-pole monolithic crystal filter
JP2008206139A (ja) * 2007-01-25 2008-09-04 Matsushita Electric Ind Co Ltd 二重モード圧電フィルタ、その製造方法、およびそれを用いた高周波回路部品および通信機器
JP2008245243A (ja) * 2007-02-26 2008-10-09 Epson Toyocom Corp 輪郭振動子、輪郭振動子の調整方法
FR2966306B1 (fr) 2010-10-15 2013-06-14 Commissariat Energie Atomique Filtre baw a couplage lateral utilisant des cristaux phononiques

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2345491A (en) * 1941-11-25 1944-03-28 Bell Telephone Labor Inc Wave transmission network
US2859346A (en) * 1954-07-28 1958-11-04 Motorola Inc Crystal oscillator
US2956184A (en) * 1954-11-01 1960-10-11 Honeywell Regulator Co Transducer
NL277292A (de) * 1961-06-20
US3271704A (en) * 1963-03-25 1966-09-06 Bell Telephone Labor Inc Ultrasonic delay device
US3382381A (en) * 1965-05-27 1968-05-07 Piezo Technology Inc Tab plateback
FR1523518A (fr) * 1966-04-11 1968-05-03 Western Electric Co Dispositif acoustique servant à transmettre de l'énergie entre deux circuits d'énergie

Also Published As

Publication number Publication date
GB1287002A (en) 1972-08-31
NL155693B (nl) 1978-01-16
DE1953826A1 (de) 1970-05-21
DE1953826C2 (de) 1985-02-14
US3573672A (en) 1971-04-06
NL6916084A (de) 1970-05-04
FR2021887A1 (de) 1970-07-24
BE740969A (de) 1970-04-01
SE365083B (de) 1974-03-11

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Legal Events

Date Code Title Description
PL Patent ceased