FR2370386B1 - - Google Patents

Info

Publication number
FR2370386B1
FR2370386B1 FR7633463A FR7633463A FR2370386B1 FR 2370386 B1 FR2370386 B1 FR 2370386B1 FR 7633463 A FR7633463 A FR 7633463A FR 7633463 A FR7633463 A FR 7633463A FR 2370386 B1 FR2370386 B1 FR 2370386B1
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.)
Expired
Application number
FR7633463A
Other languages
French (fr)
Other versions
FR2370386A1 (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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR7633463A priority Critical patent/FR2370386A1/fr
Priority to GB4431477A priority patent/GB1534208A/en
Publication of FR2370386A1 publication Critical patent/FR2370386A1/fr
Application granted granted Critical
Publication of FR2370386B1 publication Critical patent/FR2370386B1/fr
Granted legal-status Critical Current

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)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR7633463A 1976-11-05 1976-11-05 Melangeur pour recepteur de signaux multifrequences Granted FR2370386A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7633463A FR2370386A1 (fr) 1976-11-05 1976-11-05 Melangeur pour recepteur de signaux multifrequences
GB4431477A GB1534208A (en) 1976-11-05 1977-10-25 Detector for a multifrequency signal receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633463A FR2370386A1 (fr) 1976-11-05 1976-11-05 Melangeur pour recepteur de signaux multifrequences

Publications (2)

Publication Number Publication Date
FR2370386A1 FR2370386A1 (fr) 1978-06-02
FR2370386B1 true FR2370386B1 (enExample) 1982-09-24

Family

ID=9179600

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633463A Granted FR2370386A1 (fr) 1976-11-05 1976-11-05 Melangeur pour recepteur de signaux multifrequences

Country Status (2)

Country Link
FR (1) FR2370386A1 (enExample)
GB (1) GB1534208A (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1420538A (fr) * 1964-10-28 1965-12-10 Ericsson Telefon Sfe Fse Procédé et dispositif de détection de signaux de fréquence
US3686576A (en) * 1970-12-18 1972-08-22 Ibm Parallel tone detector
FR2269261B1 (enExample) * 1974-04-24 1976-12-17 Cit Alcatel

Also Published As

Publication number Publication date
FR2370386A1 (fr) 1978-06-02
GB1534208A (en) 1978-11-29

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Legal Events

Date Code Title Description
TP Transmission of property