FR1197742A - Filtre mécanique de fréquence - Google Patents

Filtre mécanique de fréquence

Info

Publication number
FR1197742A
FR1197742A FR1197742DA FR1197742A FR 1197742 A FR1197742 A FR 1197742A FR 1197742D A FR1197742D A FR 1197742DA FR 1197742 A FR1197742 A FR 1197742A
Authority
FR
France
Prior art keywords
frequency filter
mechanical frequency
mechanical
filter
frequency
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
Other languages
English (en)
Inventor
Kettel Manfred Borner Et Ernst
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.)
Telefunken AG
Original Assignee
Telefunken AG
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 Telefunken AG filed Critical Telefunken AG
Application granted granted Critical
Publication of FR1197742A publication Critical patent/FR1197742A/fr
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
    • H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
    • 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
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR1197742D 1957-01-12 1958-01-06 Filtre mécanique de fréquence Expired FR1197742A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DET13093A DE1112214B (de) 1957-01-12 1957-01-12 Mechanisches Filter mit Daempfungspolen bei endlichen Frequenzen
DET13529A DE1219600B (de) 1957-01-12 1957-04-26 Mechanisches Frequenzfilter
DET14358A DE1258987B (de) 1957-01-12 1957-10-31 Mechanisches Frequenzfilter

Publications (1)

Publication Number Publication Date
FR1197742A true FR1197742A (fr) 1959-12-02

Family

ID=27213036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1197742D Expired FR1197742A (fr) 1957-01-12 1958-01-06 Filtre mécanique de fréquence

Country Status (5)

Country Link
US (1) US3013228A (fr)
CH (1) CH366104A (fr)
DE (3) DE1112214B (fr)
FR (1) FR1197742A (fr)
GB (1) GB850406A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445792A (en) * 1962-06-28 1969-05-20 Telefunken Patent Mechanical frequency filter with additional coupling to increase slope of damping rise
US3296562A (en) * 1962-09-21 1967-01-03 Telefunken Patent Electromechanical filter
DE1214811B (de) * 1963-01-18 1966-04-21 Telefunken Patent Mechanisches Resonanzfilter
DE1276237B (de) * 1963-04-03 1968-08-29 Siemens Ag Elektromechanisches Bandfilter
US3317858A (en) * 1963-08-23 1967-05-02 Kokusai Electric Co Ltd Electromechanical filter of channel separation filter type comprising magnetostriction bar resonators
DE1491528B1 (de) * 1965-04-20 1972-04-27 Elektronische Bauelemente Veb Mechanischer bandpass
FR1442680A (fr) * 1965-10-07 1966-06-17 Werk Fuer Bauelemente Der Nach Filtre passe-bande mécanique
US3490056A (en) * 1967-05-16 1970-01-13 Gen Electric Electromechanical resonator for integrated circuits
FR2320004A1 (fr) * 1975-07-31 1977-02-25 Lignes Telegraph Telephon Filtre mecanique passe-bande pour hautes frequences
JPS54109355A (en) * 1978-02-15 1979-08-27 Fujitsu Ltd Mechanical filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1933306A (en) * 1931-04-30 1933-10-31 Gen Electric Electrical frequency analyzer
US2345491A (en) * 1941-11-25 1944-03-28 Bell Telephone Labor Inc Wave transmission network
US2332120A (en) * 1942-09-11 1943-10-19 Bell Telephone Labor Inc Mechanical wave filter
US2342813A (en) * 1942-10-01 1944-02-29 Bell Telephone Labor Inc Mechanical wave filter
US2647948A (en) * 1949-03-30 1953-08-04 Rca Corp Electromechanical filter
US2810888A (en) * 1954-08-03 1957-10-22 Rca Corp Electromechanical filter
FR1113648A (fr) * 1954-11-22 1956-04-03 Collins Radio Co Dispositif pour modifier la forme de la courbe de réponse d'un filtre électromécanique
US2821686A (en) * 1955-07-15 1958-01-28 Rca Corp Mechanical filters including rejectors

Also Published As

Publication number Publication date
GB850406A (en) 1960-10-05
DE1258987B (de) 1968-01-18
DE1112214B (de) 1961-08-03
US3013228A (en) 1961-12-12
DE1219600B (de) 1966-06-23
CH366104A (de) 1962-12-15

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