FR1226338A - Système de signalisation - Google Patents

Système de signalisation

Info

Publication number
FR1226338A
FR1226338A FR796612A FR796612A FR1226338A FR 1226338 A FR1226338 A FR 1226338A FR 796612 A FR796612 A FR 796612A FR 796612 A FR796612 A FR 796612A FR 1226338 A FR1226338 A FR 1226338A
Authority
FR
France
Prior art keywords
signaling system
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
FR796612A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US743434A external-priority patent/US3076059A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1226338A publication Critical patent/FR1226338A/fr
Expired 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)
FR796612A 1958-06-20 1959-06-04 Système de signalisation Expired FR1226338A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1226338XA 1958-06-20 1958-06-20
US854375XA 1958-06-20 1958-06-20
US1098550XA 1958-06-20 1958-06-20
US743434A US3076059A (en) 1958-06-20 1958-06-20 Signaling system

Publications (1)

Publication Number Publication Date
FR1226338A true FR1226338A (fr) 1960-07-11

Family

ID=27491964

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796612A Expired FR1226338A (fr) 1958-06-20 1959-06-04 Système de signalisation

Country Status (2)

Country Link
FR (1) FR1226338A (fr)
NL (1) NL240424A (fr)

Also Published As

Publication number Publication date
NL240424A (fr)

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