GB1392766A - Holder for an electromechanical filter - Google Patents

Holder for an electromechanical filter

Info

Publication number
GB1392766A
GB1392766A GB4516772A GB4516772A GB1392766A GB 1392766 A GB1392766 A GB 1392766A GB 4516772 A GB4516772 A GB 4516772A GB 4516772 A GB4516772 A GB 4516772A GB 1392766 A GB1392766 A GB 1392766A
Authority
GB
United Kingdom
Prior art keywords
electrodes
discs
filter
baseplate
earth
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
GB4516772A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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
Priority claimed from DE19712148495 external-priority patent/DE2148495C3/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1392766A publication Critical patent/GB1392766A/en
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 elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device

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)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB4516772A 1971-09-29 1972-09-29 Holder for an electromechanical filter Expired GB1392766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712148495 DE2148495C3 (de) 1971-09-29 Halterung für ein elektromechanisches Filter

Publications (1)

Publication Number Publication Date
GB1392766A true GB1392766A (en) 1975-04-30

Family

ID=5820843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4516772A Expired GB1392766A (en) 1971-09-29 1972-09-29 Holder for an electromechanical filter

Country Status (5)

Country Link
JP (1) JPS4843249A (enrdf_load_stackoverflow)
FR (1) FR2154606A1 (enrdf_load_stackoverflow)
GB (1) GB1392766A (enrdf_load_stackoverflow)
IT (1) IT967193B (enrdf_load_stackoverflow)
SE (1) SE379464B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125616A (en) * 1982-07-07 1984-03-07 Gen Electric Monolithic crystal filters

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127897A (ja) * 1983-01-12 1984-07-23 富士ゼロックス株式会社 厚膜パタ−ンの形成方法
US4533885A (en) * 1983-04-27 1985-08-06 Motorola, Inc. Apparatus for suppression of spurious attenuation poles in crystal filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2125616A (en) * 1982-07-07 1984-03-07 Gen Electric Monolithic crystal filters

Also Published As

Publication number Publication date
IT967193B (it) 1974-02-28
SE379464B (enrdf_load_stackoverflow) 1975-10-06
DE2148495B2 (de) 1975-08-21
FR2154606A1 (enrdf_load_stackoverflow) 1973-05-11
JPS4843249A (enrdf_load_stackoverflow) 1973-06-22
DE2148495A1 (de) 1973-04-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee