BE863348A - Dispositif d'identification d'une composante dans un signal electrique - Google Patents

Dispositif d'identification d'une composante dans un signal electrique

Info

Publication number
BE863348A
BE863348A BE184655A BE184655A BE863348A BE 863348 A BE863348 A BE 863348A BE 184655 A BE184655 A BE 184655A BE 184655 A BE184655 A BE 184655A BE 863348 A BE863348 A BE 863348A
Authority
BE
Belgium
Prior art keywords
identifying
component
electrical signal
electrical
signal
Prior art date
Application number
BE184655A
Other languages
English (en)
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of BE863348A publication Critical patent/BE863348A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephonic Communication Services (AREA)
  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE184655A 1977-01-28 1978-01-26 Dispositif d'identification d'une composante dans un signal electrique BE863348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7702453A FR2379218A1 (fr) 1977-01-28 1977-01-28 Dispositif d'identification d'une composante dans un signal electrique et recepteur de numerotation telephonique utilisant un tel dispositif

Publications (1)

Publication Number Publication Date
BE863348A true BE863348A (fr) 1978-05-16

Family

ID=9186031

Family Applications (1)

Application Number Title Priority Date Filing Date
BE184655A BE863348A (fr) 1977-01-28 1978-01-26 Dispositif d'identification d'une composante dans un signal electrique

Country Status (7)

Country Link
BE (1) BE863348A (fr)
DE (1) DE2803641A1 (fr)
FR (1) FR2379218A1 (fr)
GB (1) GB1562168A (fr)
IT (1) IT1102025B (fr)
NL (1) NL7800883A (fr)
SE (1) SE7800867L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025937C2 (de) * 1979-07-10 1986-09-25 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Vorrichtung zum Anzeigen von Frequenzspektren von Eingangssignalen
CH655819A5 (de) * 1981-11-26 1986-05-15 Autophon Ag Auswerter fuer das erkennen eines signals einer bestimmten frequenz.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215934A (en) * 1960-10-21 1965-11-02 Sylvania Electric Prod System for quantizing intelligence according to ratio of outputs of adjacent band-pass filters
DE2361925A1 (de) * 1973-12-13 1975-06-26 Licentia Gmbh Schaltungsanordnung zur frequenzselektion mit einer der anzahl der frequenzen entsprechenden zahl von resonanzkreisen

Also Published As

Publication number Publication date
FR2379218B1 (fr) 1982-02-12
GB1562168A (en) 1980-03-05
IT1102025B (it) 1985-10-07
DE2803641A1 (de) 1978-08-24
SE7800867L (sv) 1978-07-29
IT7847825A0 (it) 1978-01-27
NL7800883A (nl) 1978-08-01
FR2379218A1 (fr) 1978-08-25

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