FR1416150A - Elimination des coupures de la communication dans les systèmes téléphoniques à signalisation en bande - Google Patents

Elimination des coupures de la communication dans les systèmes téléphoniques à signalisation en bande

Info

Publication number
FR1416150A
FR1416150A FR996481A FR996481A FR1416150A FR 1416150 A FR1416150 A FR 1416150A FR 996481 A FR996481 A FR 996481A FR 996481 A FR996481 A FR 996481A FR 1416150 A FR1416150 A FR 1416150A
Authority
FR
France
Prior art keywords
elimination
telephone systems
band signaling
communication interruptions
interruptions
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
FR996481A
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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1416150A publication Critical patent/FR1416150A/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
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Selective Calling Equipment (AREA)
FR996481A 1963-12-16 1964-11-26 Elimination des coupures de la communication dans les systèmes téléphoniques à signalisation en bande Expired FR1416150A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US330698A US3306984A (en) 1963-12-16 1963-12-16 Elimination of talk-off in in-band signaling systems

Publications (1)

Publication Number Publication Date
FR1416150A true FR1416150A (fr) 1965-10-29

Family

ID=23290925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996481A Expired FR1416150A (fr) 1963-12-16 1964-11-26 Elimination des coupures de la communication dans les systèmes téléphoniques à signalisation en bande

Country Status (7)

Country Link
US (1) US3306984A (fr)
JP (1) JPS4329908B1 (fr)
BE (1) BE656928A (fr)
DE (1) DE1265794B (fr)
FR (1) FR1416150A (fr)
GB (1) GB1019410A (fr)
NL (1) NL6414241A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3562439A (en) * 1968-06-24 1971-02-09 Electronic Communications Telephone inband signalling system
US3639839A (en) * 1968-09-19 1972-02-01 Masayuki Fukata Broadcast system for a control signal
US4010328A (en) * 1975-06-13 1977-03-01 The Anaconda Company Out-of-band signaling method and apparatus to adapt payphones to telephone systems
US4001513A (en) * 1975-07-31 1977-01-04 Northern Electric Company Limited Method and apparatus for the detection of fraudulent toll telephone calls
US4018996A (en) * 1976-02-13 1977-04-19 Kahn Leonard R Communication network protection system
US4101833A (en) * 1977-03-07 1978-07-18 The Vadic Corporation Duplex data transmission modem utilizing an injected tone for shifting power within the transmit spectrum
US20100208634A1 (en) 1994-10-11 2010-08-19 Arbinet Corporation System and Method For Managing Multimedia Communications Across Convergent Networks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE478607A (fr) * 1945-12-20
CH272952A (de) * 1948-04-13 1951-01-15 Standard Telephon & Radio Ag Schaltungsanordnung zur Signalisierung über Telephonleitungen.
US3114005A (en) * 1959-04-24 1963-12-10 Lenkurt Electric Co Inc Inband signaling system
US3103558A (en) * 1959-09-24 1963-09-10 Int Standard Electric Corp ligotky
NL246793A (fr) * 1959-12-24

Also Published As

Publication number Publication date
JPS4329908B1 (fr) 1968-12-21
US3306984A (en) 1967-02-28
BE656928A (fr) 1965-04-01
GB1019410A (en) 1966-02-09
NL6414241A (fr) 1965-06-17
DE1265794B (de) 1968-04-11

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