GB787945A - Improvements in or relating to automatic signalling systems - Google Patents

Improvements in or relating to automatic signalling systems

Info

Publication number
GB787945A
GB787945A GB9136/56A GB913656A GB787945A GB 787945 A GB787945 A GB 787945A GB 9136/56 A GB9136/56 A GB 9136/56A GB 913656 A GB913656 A GB 913656A GB 787945 A GB787945 A GB 787945A
Authority
GB
United Kingdom
Prior art keywords
core
digit
line
winding
pulses
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
GB9136/56A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB787945A publication Critical patent/GB787945A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H04M15/06—Recording class or number of calling, i.e. A-party or called party, i.e. B-party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
GB9136/56A 1955-03-28 1956-03-23 Improvements in or relating to automatic signalling systems Expired GB787945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL345368X 1955-03-28

Publications (1)

Publication Number Publication Date
GB787945A true GB787945A (en) 1957-12-18

Family

ID=19784874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9136/56A Expired GB787945A (en) 1955-03-28 1956-03-23 Improvements in or relating to automatic signalling systems

Country Status (7)

Country Link
US (1) US2854517A (en:Method)
BE (1) BE546458A (en:Method)
CH (1) CH345368A (en:Method)
DE (1) DE1004676B (en:Method)
FR (1) FR1144857A (en:Method)
GB (1) GB787945A (en:Method)
NL (1) NL95809C (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE561622A (en:Method) * 1953-05-22
NL110943C (en:Method) * 1957-08-16
NL230902A (en:Method) * 1957-08-28
US3200203A (en) * 1957-11-08 1965-08-10 Int Standard Electric Corp Automatic identification system
US2955166A (en) * 1958-12-15 1960-10-04 Automatic Elect Lab Calling station detector
NL256763A (en:Method) * 1959-10-16
BE616079A (en:Method) * 1961-04-07
US3156772A (en) * 1961-05-29 1964-11-10 American Telephone & Telegraph Telephone message unit recording system
NL283311A (en:Method) * 1961-09-15
DE1150415B (de) * 1961-09-29 1963-06-20 Siemens Ag Schaltungsanordnung zur Feststellung der Rufnummer von Teilnehmern an Gesellschafts-und/oder Einzelleitungen
NL271594A (en:Method) * 1961-11-20
US3228003A (en) * 1962-03-20 1966-01-04 Ibm Matrix search device
GB990601A (en) * 1963-02-07 1965-04-28 Ericsson Telephones Ltd Telecommunication exchange apparatus
GB1023344A (en) * 1963-10-31 1966-03-23 Ericsson Telephones Ltd Telecommunication line class identifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828995C (de) * 1942-10-27 1952-01-21 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur Feststellung anrufender Teilnehmer in Fernmeldeanlagen mit Waehlerbetrieb, insbesondere Fernsprechanlagen
US2351551A (en) * 1943-05-29 1944-06-13 Bell Telephone Labor Inc Telephone system
US2604540A (en) * 1949-09-13 1952-07-22 Bell Telephone Labor Inc Calling line identification for automatic ticketing systems
BE499901A (en:Method) * 1949-12-30

Also Published As

Publication number Publication date
FR1144857A (fr) 1957-10-18
NL95809C (en:Method)
DE1004676B (de) 1957-03-21
BE546458A (en:Method)
US2854517A (en) 1958-09-30
CH345368A (de) 1960-03-31

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