GB1281795A - Telecommunication exchanges - Google Patents

Telecommunication exchanges

Info

Publication number
GB1281795A
GB1281795A GB2202671A GB2202671A GB1281795A GB 1281795 A GB1281795 A GB 1281795A GB 2202671 A GB2202671 A GB 2202671A GB 2202671 A GB2202671 A GB 2202671A GB 1281795 A GB1281795 A GB 1281795A
Authority
GB
United Kingdom
Prior art keywords
register
switching network
connection set
connection
vsk
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
GB2202671A
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1281795A publication Critical patent/GB1281795A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
GB2202671A 1970-02-20 1971-04-19 Telecommunication exchanges Expired GB1281795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702007998 DE2007998B2 (de) 1970-02-20 1970-02-20 Schaltungsanordnung fuer fernmelde-, insbesondere fernsprechvermittlungsanlagen, mit koppelfeldern und registern

Publications (1)

Publication Number Publication Date
GB1281795A true GB1281795A (en) 1972-07-12

Family

ID=5762914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2202671A Expired GB1281795A (en) 1970-02-20 1971-04-19 Telecommunication exchanges

Country Status (6)

Country Link
AU (1) AU2511171A (enExample)
BE (1) BE763236A (enExample)
DE (1) DE2007998B2 (enExample)
ES (1) ES388449A1 (enExample)
FR (1) FR2078749A5 (enExample)
GB (1) GB1281795A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1275620B (de) 1965-04-01 1968-08-22 Siemens Ag Schaltungsanordnung fuer Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen mit Koppelfeldern und Wahlkennzeichenempfangseinrichtungen

Also Published As

Publication number Publication date
DE2007998B2 (de) 1976-03-04
FR2078749A5 (enExample) 1971-11-05
DE2007998A1 (de) 1971-09-02
AU2511171A (en) 1972-08-10
ES388449A1 (es) 1973-05-01
BE763236A (fr) 1971-08-23

Similar Documents

Publication Publication Date Title
GB1057421A (en) Electronic switching telephone system
GB1084001A (en) Improvements in or relating to switching networks
GB1066589A (en) Telephone switching systems
GB1281795A (en) Telecommunication exchanges
GB1099697A (en) Improvements in or relating to private branch exchange telephone switching systems
US3320367A (en) Telephone line circuit
US3538260A (en) Dial controlled remote-to-local exchange repeater for a private exchange
GB1127906A (en) Communication switching systems
GB1218344A (en) Improvements in or relating to private telephone exchanges
GB1061162A (en) Improvements in or relating to p.a.b.x. telephone systems
GB1190622A (en) Improvements in or relating to Common-Control Telephone Exchanges.
GB990545A (en) Telephone concentrator systems
GB1115307A (en) Telephone systems
GB1041757A (en) Improvements relating to automatic telephone exchange systems
GB1143667A (enExample)
GB1032966A (en) Private automatic branch exchanges
GB1118589A (en) Improvements in or relating to telecommunications systems
GB1143455A (en) Telephone exchange
GB971602A (en) Improvements in or relating to automatic telephone systems
JPS55151845A (en) Absence answer connecting system
GB1101567A (en) Automatic telecommunication exchange
GB1159914A (en) Route Advance Control System and Automatic Telephone Exchanges.
GB1131129A (en) Improvements in or relating to telecommunications exchange systems
GB1094277A (en) Call trace in telecommunication, particularly telephone exchange systems with centralized control facilities
GB1130982A (en) Improvements in or relating to telecommunications exchange systems

Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee