GB636253A - Pulse receiving and repeating systems for telecommunication networks - Google Patents

Pulse receiving and repeating systems for telecommunication networks

Info

Publication number
GB636253A
GB636253A GB29660/46A GB2966046A GB636253A GB 636253 A GB636253 A GB 636253A GB 29660/46 A GB29660/46 A GB 29660/46A GB 2966046 A GB2966046 A GB 2966046A GB 636253 A GB636253 A GB 636253A
Authority
GB
United Kingdom
Prior art keywords
relay
aor
hand winding
cfo
incoming signal
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
GB29660/46A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB636253A publication Critical patent/GB636253A/en
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
    • 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
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electrotherapy Devices (AREA)
GB29660/46A 1944-01-07 1946-10-04 Pulse receiving and repeating systems for telecommunication networks Expired GB636253A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR2498723X 1944-01-07
FR636253X 1944-01-08
FR2462144X 1945-03-27

Publications (1)

Publication Number Publication Date
GB636253A true GB636253A (en) 1950-04-26

Family

ID=32233873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29660/46A Expired GB636253A (en) 1944-01-07 1946-10-04 Pulse receiving and repeating systems for telecommunication networks

Country Status (4)

Country Link
US (2) US2498723A (xx)
BE (1) BE477477A (xx)
FR (2) FR54628E (xx)
GB (1) GB636253A (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579530A (en) * 1947-04-29 1951-12-25 Int Standard Electric Corp Four-wire to two-wire connecting circuit
US2914615A (en) * 1952-10-09 1959-11-24 Int Standard Electric Corp Electric signal repeaters
NL287044A (xx) * 1961-12-21

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB323804A (en) * 1928-10-11 1930-01-13 Western Electric Y Improvements in impulse controlling arrangements for use in electrical signalling systems
NL215077A (xx) * 1931-07-02
US2047729A (en) * 1933-09-29 1936-07-14 Bell Telephone Labor Inc Transmission control in two-way signaling systems
US2029693A (en) * 1934-09-07 1936-02-04 Bell Telephone Labor Inc Telephone system
US2045402A (en) * 1935-01-17 1936-06-23 Bell Telephone Labor Inc Signaling system
US2056235A (en) * 1935-05-22 1936-10-06 Bell Telephone Labor Inc Resetting circuit for trigger devices
US2091551A (en) * 1935-06-22 1937-08-31 Bell Telephone Labor Inc Signaling system
US2222248A (en) * 1939-04-18 1940-11-19 Bell Telephone Labor Inc Ringing system
US2253621A (en) * 1940-04-05 1941-08-26 Bell Telephone Labor Inc Signaling system

Also Published As

Publication number Publication date
FR960757A (xx) 1950-04-25
FR54628E (fr) 1950-07-07
US2462144A (en) 1949-02-22
BE477477A (xx)
US2498723A (en) 1950-02-28

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