FR2320004A1 - Filtre mecanique passe-bande pour hautes frequences - Google Patents

Filtre mecanique passe-bande pour hautes frequences

Info

Publication number
FR2320004A1
FR2320004A1 FR7524037A FR7524037A FR2320004A1 FR 2320004 A1 FR2320004 A1 FR 2320004A1 FR 7524037 A FR7524037 A FR 7524037A FR 7524037 A FR7524037 A FR 7524037A FR 2320004 A1 FR2320004 A1 FR 2320004A1
Authority
FR
France
Prior art keywords
band
high frequencies
mechanical filter
pass mechanical
pass
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.)
Granted
Application number
FR7524037A
Other languages
English (en)
Other versions
FR2320004B1 (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.)
LIGNES TELEGRAPH TELEPHONIQUES
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
LIGNES TELEGRAPH TELEPHONIQUES
Lignes Telegraphiques et Telephoniques LTT SA
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 LIGNES TELEGRAPH TELEPHONIQUES, Lignes Telegraphiques et Telephoniques LTT SA filed Critical LIGNES TELEGRAPH TELEPHONIQUES
Priority to FR7524037A priority Critical patent/FR2320004A1/fr
Priority to US05/695,920 priority patent/US4060774A/en
Priority to DE19762634115 priority patent/DE2634115A1/de
Publication of FR2320004A1 publication Critical patent/FR2320004A1/fr
Application granted granted Critical
Publication of FR2320004B1 publication Critical patent/FR2320004B1/fr
Granted 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
    • H03H9/48—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)
  • Control Of Motors That Do Not Use Commutators (AREA)
FR7524037A 1975-07-31 1975-07-31 Filtre mecanique passe-bande pour hautes frequences Granted FR2320004A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7524037A FR2320004A1 (fr) 1975-07-31 1975-07-31 Filtre mecanique passe-bande pour hautes frequences
US05/695,920 US4060774A (en) 1975-07-31 1976-06-14 Electromechanical band-pass filter for high frequencies
DE19762634115 DE2634115A1 (de) 1975-07-31 1976-07-29 Mechanisches frequenz-bandpass- filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7524037A FR2320004A1 (fr) 1975-07-31 1975-07-31 Filtre mecanique passe-bande pour hautes frequences
US05/695,920 US4060774A (en) 1975-07-31 1976-06-14 Electromechanical band-pass filter for high frequencies

Publications (2)

Publication Number Publication Date
FR2320004A1 true FR2320004A1 (fr) 1977-02-25
FR2320004B1 FR2320004B1 (fr) 1977-12-16

Family

ID=26219012

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524037A Granted FR2320004A1 (fr) 1975-07-31 1975-07-31 Filtre mecanique passe-bande pour hautes frequences

Country Status (3)

Country Link
US (1) US4060774A (fr)
DE (1) DE2634115A1 (fr)
FR (1) FR2320004A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4163960A (en) * 1976-12-30 1979-08-07 Societe Lignes Telegraphiques Et Telephoniques Electromechanical filter structure
FR2399760A1 (fr) * 1977-08-04 1979-03-02 Lignes Telegraph Telephon Perfectionnement aux filtres electromecaniques

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534297A (en) * 1967-12-28 1970-10-13 Nippon Electric Co Electromechanical band-separation networks including longitudinally vibrating resonators and bending couplers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1112214B (de) * 1957-01-12 1961-08-03 Telefunken Patent Mechanisches Filter mit Daempfungspolen bei endlichen Frequenzen
DE1416791A1 (de) * 1960-03-01 1968-10-03 Telefunken Patent Mechanisches Hochfrequenzfilter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534297A (en) * 1967-12-28 1970-10-13 Nippon Electric Co Electromechanical band-separation networks including longitudinally vibrating resonators and bending couplers

Also Published As

Publication number Publication date
DE2634115A1 (de) 1977-02-03
FR2320004B1 (fr) 1977-12-16
US4060774A (en) 1977-11-29

Similar Documents

Publication Publication Date Title
FR2308214A1 (fr) Filtre combine pour duplexage de frequences
BE827630A (fr) Resonateurs pour ondes electriques
FR2292331A1 (fr) Filtre de wien
JPS5233750A (en) Nonnhomocentrically tunable acoustic optical filter
FR2296305A1 (fr) Filtre a ondes acoustiques de surface
FR2380646B1 (fr) Filtre hyperfrequence
BE842160A (fr) Filtre numerique
FR2278197A1 (fr) Circuit de filtre passe-bande
FR2405589B1 (fr) Resonateur pour ondes acoustiques
BE861353A (fr) Filtre pour des ondes electromagnetiques tres courtes
FR2291643A1 (fr) Circuit de filtrage pour des ondes electriques
BE842554A (fr) Filtre a frequence intermediaire pour television
FR2302656A1 (fr) Transducteur piezoelectrique pour basses frequences
BE785945A (fr) Filtre electrique utilisant le principe des ondes de surface
BE768042A (fr) Filtre a caracteristiques de transmission dependant de la frequence pour signaux electriques analogiques
FR2332085A1 (fr) Filtre pour metal liquide
FR2327613A1 (fr) Filtre dielectromagnetique
FR2331213A1 (fr) Filtre numerique
BE862063A (fr) Filtre pour des ondes electromagnetiques tres courtes
DK545276A (da) Afleder for optiske filtre til flere bolgeformer
FR2320004A1 (fr) Filtre mecanique passe-bande pour hautes frequences
FR2277397A1 (fr) Filtre perfectionne pour ondes acoustiques superficielles
BE824262A (fr) Filtre coupe-bande hyperfrequence
BE858170A (fr) Cassette de filtre pour aspirateur
FR2303415A1 (fr) Filtre electromecanique

Legal Events

Date Code Title Description
ST Notification of lapse