NL156284B - Monolitisch elektromechanische filter. - Google Patents

Monolitisch elektromechanische filter.

Info

Publication number
NL156284B
NL156284B NL6906267.A NL6906267A NL156284B NL 156284 B NL156284 B NL 156284B NL 6906267 A NL6906267 A NL 6906267A NL 156284 B NL156284 B NL 156284B
Authority
NL
Netherlands
Prior art keywords
monolitic
electromechanical filter
electromechanical
filter
monolitic electromechanical
Prior art date
Application number
NL6906267.A
Other languages
English (en)
Dutch (nl)
Other versions
NL6906267A (fr
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 NL6906267A publication Critical patent/NL6906267A/xx
Publication of NL156284B publication Critical patent/NL156284B/xx

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

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)
  • Electrotherapy Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL6906267.A 1968-04-24 1969-04-23 Monolitisch elektromechanische filter. NL156284B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72367668A 1968-04-24 1968-04-24

Publications (2)

Publication Number Publication Date
NL6906267A NL6906267A (fr) 1969-10-28
NL156284B true NL156284B (nl) 1978-03-15

Family

ID=24907217

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6906267.A NL156284B (nl) 1968-04-24 1969-04-23 Monolitisch elektromechanische filter.

Country Status (7)

Country Link
US (1) US3576506A (fr)
BE (1) BE731937A (fr)
CH (1) CH493966A (fr)
ES (1) ES366624A1 (fr)
FR (1) FR2006869A1 (fr)
GB (1) GB1268542A (fr)
NL (1) NL156284B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932911B2 (de) * 1969-06-28 1972-02-17 Licentia Patent-Verwaltungs-GmbH, 6000*Frankfurt Piezoelektrische resonatoranordnung in monolithischer aus fuehrung
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
JPS5329265B2 (fr) * 1972-09-20 1978-08-19
JPS49131050A (fr) * 1973-04-17 1974-12-16
US3947784A (en) * 1974-09-19 1976-03-30 Motorola, Inc. Dual-coupled monolithic crystal element for modifying response of filter
US4329666A (en) * 1980-08-11 1982-05-11 Motorola, Inc. Two-pole monolithic crystal filter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396327A (en) * 1961-12-27 1968-08-06 Toyotsushinki Kabushiki Kaisha Thickness shear vibration type, crystal electromechanical filter
US3222622A (en) * 1962-08-14 1965-12-07 Clevite Corp Wave filter comprising piezoelectric wafer electroded to define a plurality of resonant regions independently operable without significant electro-mechanical interaction
US3363119A (en) * 1965-04-19 1968-01-09 Clevite Corp Piezoelectric resonator and method of making same
US3384768A (en) * 1967-09-29 1968-05-21 Clevite Corp Piezoelectric resonator

Also Published As

Publication number Publication date
DE1920078A1 (de) 1969-10-30
DE1920078B2 (de) 1973-02-01
NL6906267A (fr) 1969-10-28
GB1268542A (en) 1972-03-29
ES366624A1 (es) 1971-03-16
BE731937A (fr) 1969-10-01
FR2006869A1 (fr) 1970-01-02
CH493966A (de) 1970-07-15
US3576506A (en) 1971-04-27

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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