FR2008772A1 - - Google Patents

Info

Publication number
FR2008772A1
FR2008772A1 FR6915847A FR6915847A FR2008772A1 FR 2008772 A1 FR2008772 A1 FR 2008772A1 FR 6915847 A FR6915847 A FR 6915847A FR 6915847 A FR6915847 A FR 6915847A FR 2008772 A1 FR2008772 A1 FR 2008772A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6915847A
Other languages
French (fr)
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.)
Clevite Corp
Original Assignee
Clevite Corp
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 Clevite Corp filed Critical Clevite Corp
Publication of FR2008772A1 publication Critical patent/FR2008772A1/fr
Withdrawn legal-status Critical Current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
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR6915847A 1968-05-17 1969-05-16 Withdrawn FR2008772A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73000268A 1968-05-17 1968-05-17

Publications (1)

Publication Number Publication Date
FR2008772A1 true FR2008772A1 (de) 1970-01-23

Family

ID=24933507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6915847A Withdrawn FR2008772A1 (de) 1968-05-17 1969-05-16

Country Status (4)

Country Link
US (1) US3697903A (de)
DE (1) DE1925154A1 (de)
FR (1) FR2008772A1 (de)
GB (1) GB1272104A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051711A (en) * 1989-04-27 1991-09-24 Ten-Tec, Inc. Variable bandwidth crystal filter with varactor diodes
US5047726A (en) * 1990-02-16 1991-09-10 Ericsson Ge Mobile Communications Inc. Method and apparatus for implementing four-frequency measuring process for coupled-dual resonator crystals using both resonator ports
FR2864727B1 (fr) * 2003-12-29 2007-05-11 St Microelectronics Sa Circuit electronique comportant un resonateur destine a etre integre dans un produit semi-conducteur
FR2883432B1 (fr) * 2005-03-18 2008-02-22 St Microelectronics Sa Circuit de filtrage accordable en frequence integrable, comportant un jeu de resonateurs baw
FR2888060A1 (fr) * 2005-07-01 2007-01-05 St Microelectronics Sa Circuit de filtrage passe-bande dote de resonateurs acoustiques
FR2904492A1 (fr) * 2006-07-28 2008-02-01 St Microelectronics Sa Circuit de filtrage dote de resonateurs acoustiques
FR2920612B1 (fr) * 2007-09-03 2009-12-04 St Microelectronics Sa Circuit d'accord en frequence pour filtre treillis
WO2017144956A1 (en) * 2016-02-24 2017-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Band reject filters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344368A (en) * 1967-09-26 Fettweis bandpass filter
US1795204A (en) * 1927-01-03 1931-03-03 American Telephone & Telegraph Electrical wave filter
US2045991A (en) * 1931-09-19 1936-06-30 Bell Telephone Labor Inc Wave filter
US2165509A (en) * 1938-04-22 1939-07-11 Bell Telephone Labor Inc Oscillation generator
US2248776A (en) * 1938-07-28 1941-07-08 Bell Telephone Labor Inc Wave filter
US2547133A (en) * 1947-12-04 1951-04-03 Bell Telephone Labor Inc Wave filter

Also Published As

Publication number Publication date
GB1272104A (en) 1972-04-26
DE1925154A1 (de) 1970-05-21
US3697903A (en) 1972-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse