ES445760A1 - Un dispositivo de filtro electromecanico perfeccionado. - Google Patents

Un dispositivo de filtro electromecanico perfeccionado.

Info

Publication number
ES445760A1
ES445760A1 ES445760A ES445760A ES445760A1 ES 445760 A1 ES445760 A1 ES 445760A1 ES 445760 A ES445760 A ES 445760A ES 445760 A ES445760 A ES 445760A ES 445760 A1 ES445760 A1 ES 445760A1
Authority
ES
Spain
Prior art keywords
electro
mechanical filter
duals
damping material
substantial improvement
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.)
Expired
Application number
ES445760A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES445760A1 publication Critical patent/ES445760A1/es
Expired legal-status Critical Current

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
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
    • H03H9/0542—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a lateral arrangement

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
ES445760A 1975-03-06 1976-03-04 Un dispositivo de filtro electromecanico perfeccionado. Expired ES445760A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7502640A NL7502640A (nl) 1975-03-06 1975-03-06 Elektro-mechanisch filter.

Publications (1)

Publication Number Publication Date
ES445760A1 true ES445760A1 (es) 1977-06-01

Family

ID=19823316

Family Applications (1)

Application Number Title Priority Date Filing Date
ES445760A Expired ES445760A1 (es) 1975-03-06 1976-03-04 Un dispositivo de filtro electromecanico perfeccionado.

Country Status (8)

Country Link
US (1) US4037180A (es)
JP (1) JPS51110948A (es)
AU (1) AU1160276A (es)
DE (1) DE2607196A1 (es)
ES (1) ES445760A1 (es)
FR (1) FR2303415A1 (es)
GB (1) GB1515432A (es)
NL (1) NL7502640A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090153A (en) * 1976-06-07 1978-05-16 Rca Corporation Surface acoustic wave absorber
DE2715202A1 (de) * 1977-04-05 1978-10-19 Draloric Electronic Piezoelektrisches filter und verfahren zu seiner herstellung
DE2812786A1 (de) * 1978-03-23 1979-09-27 Draloric Electronic Verfahren zum abgleich eines piezoelektrischen resonators
US4365181A (en) * 1979-07-18 1982-12-21 Murata Manufacturing Co., Ltd. Piezoelectric vibrator with damping electrodes
JP3094717B2 (ja) * 1993-02-09 2000-10-03 株式会社村田製作所 圧電共振部品
JPH08335847A (ja) * 1995-06-08 1996-12-17 Murata Mfg Co Ltd 厚みすべり振動型２重モードフィルタ
US6353277B1 (en) * 1997-08-23 2002-03-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Acoustic transducer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487137A (en) * 1968-04-30 1969-12-30 Hewlett Packard Co Method of producing ultrasonic energy absorbing material
US3544926A (en) * 1968-10-22 1970-12-01 Damon Eng Inc Monolithic crystal filter having mass loading electrode pairs having at least one electrically nonconductive electrode

Also Published As

Publication number Publication date
NL7502640A (nl) 1976-09-08
FR2303415B1 (es) 1979-08-24
US4037180A (en) 1977-07-19
DE2607196A1 (de) 1976-09-16
AU1160276A (en) 1977-09-08
JPS51110948A (es) 1976-09-30
GB1515432A (en) 1978-06-21
FR2303415A1 (fr) 1976-10-01

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