FR1032717A - Système de signalisation à la fréquence de la voix - Google Patents

Système de signalisation à la fréquence de la voix

Info

Publication number
FR1032717A
FR1032717A FR1032717DA FR1032717A FR 1032717 A FR1032717 A FR 1032717A FR 1032717D A FR1032717D A FR 1032717DA FR 1032717 A FR1032717 A FR 1032717A
Authority
FR
France
Prior art keywords
signaling system
voice frequency
frequency signaling
voice
signaling
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1032717A publication Critical patent/FR1032717A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • 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)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Exchange Systems With Centralized Control (AREA)
FR1032717D 1950-01-12 1951-01-12 Système de signalisation à la fréquence de la voix Expired FR1032717A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE696503X 1950-01-12

Publications (1)

Publication Number Publication Date
FR1032717A true FR1032717A (fr) 1953-07-03

Family

ID=20315345

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1032717D Expired FR1032717A (fr) 1950-01-12 1951-01-12 Système de signalisation à la fréquence de la voix

Country Status (3)

Country Link
BE (1) BE500568A (enrdf_load_stackoverflow)
FR (1) FR1032717A (enrdf_load_stackoverflow)
GB (1) GB696503A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1539001A (fr) * 1967-05-05 1968-09-13 Materiel Telephonique Système de liaison radiotéléphonique
US3564150A (en) * 1968-06-18 1971-02-16 Int Standard Electric Corp Mobile radio telephone and paging system

Also Published As

Publication number Publication date
GB696503A (en) 1953-09-02
BE500568A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
FR1014510A (fr) Système de signalisation
FR951783A (fr) Système de signalisation
FR980185A (fr) Dispositif de signalisation à fréquence audible
FR948685A (fr) Système de signalisation
FR980088A (fr) Système de signalisation à fréquence vocale
FR1066199A (fr) Système à fréquence acoustique
FR1032717A (fr) Système de signalisation à la fréquence de la voix
FR66157E (fr) Système téléphonique tout-relais
FR941327A (fr) Système de signalisation
FR1044603A (fr) Systèmes électriques de signalisation
FR922528A (fr) Perfectionnement aux procédés de signalisation à fréquence vocale
CH318089A (fr) Récepteur à fréquences vocales
FR1045310A (fr) Système de signalisation à modulation de fréquence
FR1054473A (fr) Système de signalisation à une fréquence vocale
FR992818A (fr) Système de signalisation
FR983128A (fr) Système de signalisation
FR944499A (fr) Système d'entraînement à la signalisation radioélectrique
FR1067022A (fr) Lanterne de signalisation
FR1058881A (fr) Système de signalisation par courant alternatif
FR1161767A (fr) Système de signalisation à distance
FR1027232A (fr) Système de raquetterie
FR56660E (fr) Système de signalisation à courant alternatif
FR1088328A (fr) Lanterne de signalisation
FR1022028A (fr) Signaleur à fréquence vocale
FR1048924A (fr) Signalisation téléphonique