[go: up one dir, main page]

GB715931A - Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders - Google Patents

Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders

Info

Publication number
GB715931A
GB715931A GB1868852A GB1868852A GB715931A GB 715931 A GB715931 A GB 715931A GB 1868852 A GB1868852 A GB 1868852A GB 1868852 A GB1868852 A GB 1868852A GB 715931 A GB715931 A GB 715931A
Authority
GB
United Kingdom
Prior art keywords
links
zlv
relay
relays
link
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
GB1868852A
Other languages
English (en)
Inventor
Friedrich Spiecker
Fritz Lubberger
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 and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske 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
Priority to BE513871D priority Critical patent/BE513871A/xx
Priority to DES1246A priority patent/DE841294C/de
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Priority to GB1868852A priority patent/GB715931A/en
Publication of GB715931A publication Critical patent/GB715931A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0008Selecting arrangements using relay selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB1868852A 1950-01-10 1952-07-23 Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders Expired GB715931A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE513871D BE513871A (sv) 1952-07-23
DES1246A DE841294C (de) 1950-01-10 1950-01-10 Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Relaiswaehlern
GB1868852A GB715931A (en) 1952-07-23 1952-07-23 Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1868852A GB715931A (en) 1952-07-23 1952-07-23 Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders

Publications (1)

Publication Number Publication Date
GB715931A true GB715931A (en) 1954-09-22

Family

ID=10116709

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1868852A Expired GB715931A (en) 1950-01-10 1952-07-23 Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders

Country Status (2)

Country Link
BE (1) BE513871A (sv)
GB (1) GB715931A (sv)

Also Published As

Publication number Publication date
BE513871A (sv)

Similar Documents

Publication Publication Date Title
GB1026306A (en) Method of and circuit arrangement for selecting transmission paths in multi-stage switching grids of telecommunication,particularly telephone systems
US3226486A (en) Selection system
GB1068227A (en) Improvements in or relating to switching networks for use in telecommunications installations
GB741589A (en) Improvements in or relating to automatic telephone exchange systems
GB715931A (en) Improvements in or relating to non-numerical telecommunication switching arrangements using relay line-finders
GB571520A (en) Improvements relating to electric selective signalling systems
GB917017A (en) Improvements relating to automatic telecommunication switching systems
GB996147A (en) Improvements in or relating to circuit arrangements for marker-control telecommunications exchanges
GB793650A (en) Improvements in or relating to telecommunication switching arrangements
GB295421A (en) Improvements in telephone systems
GB822104A (en) Improvements in or relating to circuit arrangements for indicating single lines out of groups of lines having a common designation number, for example p.b.x. groups, in telecommunication switching systems
GB769915A (en) Improvements in or relating to electrical connecting circuits
GB817959A (en) Switching systems applicable particularly to group selection in automatic telephony systems
US2972020A (en) Cross bar system automatic telephone exchange
GB944736A (en) Improvements in or relating to communication circuit arrangements
ES324839A1 (es) Disposicion de circuito para instalaciones de enlace de telecomunicaciones, particularmente para instalaciones telefonicas, con campos de acoplamiento.
US2249362A (en) Operator's position circuit
US2625608A (en) Open telegraph line indicator
GB833933A (en) Improvements in or relating to an arrangement for effecting a selective connection between a pair of lines
GB787238A (en) Trunking diagram for an automatic telecommunication system
GB885609A (en) A contact field arrangement in an automatic telephone or telegraph exchange
US1292839A (en) Telephone-exchange system.
GB730782A (en) Improvements in or relating to circuit arrangements for telecommunication installations comprising relay selectors
GB687763A (en) Improvements in circuit-arrangements for use in automatic signalling systems for engaging a common device
GB1060811A (en) Improvements in or relating to electric circuit arrangements for use in telecommunications systems