FR989893A - Filtre de bande mécanique - Google Patents

Filtre de bande mécanique

Info

Publication number
FR989893A
FR989893A FR989893DA FR989893A FR 989893 A FR989893 A FR 989893A FR 989893D A FR989893D A FR 989893DA FR 989893 A FR989893 A FR 989893A
Authority
FR
France
Prior art keywords
band filter
mechanical band
mechanical
filter
band
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)
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Application granted granted Critical
Publication of FR989893A publication Critical patent/FR989893A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by ac
    • H01H51/32—Frequency relays; Mechanically-tuned relays
    • 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
    • H03H9/48—Coupling means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR989893D 1948-11-11 1949-06-29 Filtre de bande mécanique Expired FR989893A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH662917X 1948-11-11

Publications (1)

Publication Number Publication Date
FR989893A true FR989893A (fr) 1951-09-14

Family

ID=4527056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989893D Expired FR989893A (fr) 1948-11-11 1949-06-29 Filtre de bande mécanique

Country Status (4)

Country Link
DE (1) DE854228C (xx)
FR (1) FR989893A (xx)
GB (1) GB662917A (xx)
NL (1) NL76872C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038651B (de) * 1955-04-13 1958-09-11 Cfcmug Elektromechanisches Resonanzrelais

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL93661C (xx) * 1954-12-20
CH350051A (de) * 1957-05-25 1960-11-15 Zellweger Uster Ag Elektromechanisches Bandfilter
CH571291A5 (xx) * 1972-06-12 1975-12-31 Elresor Sa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038651B (de) * 1955-04-13 1958-09-11 Cfcmug Elektromechanisches Resonanzrelais

Also Published As

Publication number Publication date
NL76872C (xx)
DE854228C (de) 1952-10-30
GB662917A (en) 1951-12-12

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