NL155693B - ELECTROMECHANICAL FILTER. - Google Patents

ELECTROMECHANICAL FILTER.

Info

Publication number
NL155693B
NL155693B NL6916084.A NL6916084A NL155693B NL 155693 B NL155693 B NL 155693B NL 6916084 A NL6916084 A NL 6916084A NL 155693 B NL155693 B NL 155693B
Authority
NL
Netherlands
Prior art keywords
electromechanical filter
electromechanical
filter
Prior art date
Application number
NL6916084.A
Other languages
Dutch (nl)
Other versions
NL6916084A (en
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 NL6916084A publication Critical patent/NL6916084A/xx
Publication of NL155693B publication Critical patent/NL155693B/en

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 piezoelectric 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)
NL6916084.A 1968-10-30 1969-10-24 ELECTROMECHANICAL FILTER. NL155693B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL6916084A NL6916084A (en) 1970-05-04
NL155693B true NL155693B (en) 1978-01-16

Family

ID=25093109

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6916084.A NL155693B (en) 1968-10-30 1969-10-24 ELECTROMECHANICAL FILTER.

Country Status (8)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614483A (en) * 1970-06-24 1971-10-19 Clevite Corp Width flexural resonator and coupled mode filter
US3697788A (en) * 1970-09-30 1972-10-10 Motorola Inc Piezoelectric resonating device
US3676805A (en) * 1970-10-12 1972-07-11 Bell Telephone Labor Inc Monolithic crystal filter with auxiliary filter shorting tabs
US3732510A (en) * 1970-10-12 1973-05-08 Bell Telephone Labor Inc Multisection precision-tuned monolithic crystal filters
JPS5329265B2 (en) * 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
US4218631A (en) * 1977-06-08 1980-08-19 Kinsekisha Laboratory, Ltd. Electrode structure for thickness mode piezoelectric vibrating elements
US4329666A (en) * 1980-08-11 1982-05-11 Motorola, Inc. Two-pole monolithic crystal filter
US4627379A (en) * 1984-11-29 1986-12-09 General Electric Company Shutter apparatus for fine-tuning a coupled-dual resonator crystal
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
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
WO1992019043A1 (en) * 1991-04-22 1992-10-29 Motorola, Inc. Surface mountable piezoelectric device with in situ finish plate mask
DE69416129T2 (en) * 1994-10-10 1999-07-01 Endress + Hauser GmbH + Co., 79689 Maulburg A method for operating an ultrasonic transducer and circuit arrangement for performing the method
JPH1098350A (en) * 1996-07-31 1998-04-14 Daishinku Co Piezoelectric vibrating device
US6020797A (en) * 1998-08-21 2000-02-01 Cts Corporation Electrode connection configuration and method for a multi-pole monolithic crystal filter
JP2008206139A (en) * 2007-01-25 2008-09-04 Matsushita Electric Ind Co Ltd Dual mode piezoelectric filter, method of manufacturing the filter, high frequency circuit component and communication device using the filter
JP2008245243A (en) * 2007-02-26 2008-10-09 Epson Toyocom Corp Contour resonator and adjustment method therefor
FR2966306B1 (en) 2010-10-15 2013-06-14 Commissariat Energie Atomique BAW FILTER WITH SIDE COUPLING USING PHONONIC CRYSTALS

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 (en) * 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 (en) * 1966-04-11 1968-05-03 Western Electric Co Acoustic device used to transmit energy between two energy circuits

Also Published As

Publication number Publication date
US3573672A (en) 1971-04-06
DE1953826C2 (en) 1985-02-14
BE740969A (en) 1970-04-01
SE365083B (en) 1974-03-11
CH501340A (en) 1970-12-31
NL6916084A (en) 1970-05-04
DE1953826A1 (en) 1970-05-21
FR2021887A1 (en) 1970-07-24
GB1287002A (en) 1972-08-31

Similar Documents

Publication Publication Date Title
NL155693B (en) ELECTROMECHANICAL FILTER.
DK120480B (en) Gribetang.
BE739000A (en) AANDRIJFMECHANISM.
DK117004B (en) Electromechanical filter.
DK123694B (en) Dukkelem.
DK131360B (en) Electromechanical filter.
NL156284B (en) MONOLITIC ELECTROMECHANICAL FILTER.
CH491545A (en) Electromechanical filter
IE33627L (en) Filter element.
DK128041B (en) Hobjærgningsredskab.
AT311424B (en) Electromechanical filter
FR96320E (en) Filtered.
IT938856B (en) ELECTROMECHANICAL FILTER
DK128474B (en) Trawlskovl.
ES176774Y (en) FILTER UNIT.
CH551109A (en) ELECTROMECHANICAL FILTER.
ES136078Y (en) BLENDER-JUICER.
DK118779B (en) Electromechanical filter.
NL144108B (en) ELECTROMECHANICAL FILTER.
ES136309Y (en) NEW ELECTROMECHANICAL SET.
ES143923Y (en) HUMIDIFIER FILTER.
ES195270Y (en) IMPROVEMENTS IN ELECTROMECHANICAL FILTERS.
ES142564Y (en) CASE.
ES141151Y (en) CASE.
ES139476Y (en) TOUR-VIEW CASE.

Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: WEST ELECTR