GB1164954A - Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems. - Google Patents

Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems.

Info

Publication number
GB1164954A
GB1164954A GB1716568A GB1716568A GB1164954A GB 1164954 A GB1164954 A GB 1164954A GB 1716568 A GB1716568 A GB 1716568A GB 1716568 A GB1716568 A GB 1716568A GB 1164954 A GB1164954 A GB 1164954A
Authority
GB
United Kingdom
Prior art keywords
gate
cascade
marked
output
hundreds
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
GB1716568A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of GB1164954A publication Critical patent/GB1164954A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/50Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
    • H04L12/52Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Bus Control (AREA)
GB1716568A 1967-04-12 1968-04-10 Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems. Expired GB1164954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0109295 DE1287600B (de) 1967-04-12 1967-04-12 Schaltungsanordnung zum Identifizieren von markierten Zubringerleitungen

Publications (1)

Publication Number Publication Date
GB1164954A true GB1164954A (en) 1969-09-24

Family

ID=7529413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716568A Expired GB1164954A (en) 1967-04-12 1968-04-10 Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems.

Country Status (7)

Country Link
BE (1) BE713669A (en:Method)
CH (1) CH483175A (en:Method)
DE (1) DE1287600B (en:Method)
FR (1) FR1565765A (en:Method)
GB (1) GB1164954A (en:Method)
NL (1) NL6805115A (en:Method)
SE (1) SE354401B (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250561A (en) 1978-03-31 1981-02-10 Siemens Aktiengesellschaft Apparatus for receiving and/or delivering signalling characters each having a plurality of polarity changes
US4335456A (en) 1975-02-26 1982-06-15 Siemens Aktiengesellschaft Switch-through unit for bit groups within a program controlled, electronic data switching system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335456A (en) 1975-02-26 1982-06-15 Siemens Aktiengesellschaft Switch-through unit for bit groups within a program controlled, electronic data switching system
US4250561A (en) 1978-03-31 1981-02-10 Siemens Aktiengesellschaft Apparatus for receiving and/or delivering signalling characters each having a plurality of polarity changes

Also Published As

Publication number Publication date
BE713669A (en:Method) 1968-10-14
NL6805115A (en:Method) 1968-10-14
DE1287600B (de) 1969-01-23
SE354401B (en:Method) 1973-03-05
CH483175A (de) 1969-12-15
FR1565765A (en:Method) 1969-05-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees