GB663365A - Main distributing frame in telecommunication exchange systems - Google Patents

Main distributing frame in telecommunication exchange systems

Info

Publication number
GB663365A
GB663365A GB33620/47A GB3362047A GB663365A GB 663365 A GB663365 A GB 663365A GB 33620/47 A GB33620/47 A GB 33620/47A GB 3362047 A GB3362047 A GB 3362047A GB 663365 A GB663365 A GB 663365A
Authority
GB
United Kingdom
Prior art keywords
line
lines
service
subscriber
circuit
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
GB33620/47A
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
Priority claimed from NL113730A external-priority patent/NL66012C/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB663365A publication Critical patent/GB663365A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/02Constructional details
    • H04Q1/14Distribution frames
    • H04Q1/142Terminal blocks for distribution frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB33620/47A 1943-10-29 1947-12-19 Main distributing frame in telecommunication exchange systems Expired GB663365A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL250781X 1943-10-29
NL113730A NL66012C (enrdf_load_stackoverflow) 1943-10-29 1943-10-29

Publications (1)

Publication Number Publication Date
GB663365A true GB663365A (en) 1951-12-19

Family

ID=33100488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33620/47A Expired GB663365A (en) 1943-10-29 1947-12-19 Main distributing frame in telecommunication exchange systems

Country Status (3)

Country Link
CH (1) CH250781A (enrdf_load_stackoverflow)
GB (1) GB663365A (enrdf_load_stackoverflow)
NL (1) NL113730A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188374A1 (enrdf_load_stackoverflow) * 1972-06-14 1974-01-18 Kentrox Industries

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188374A1 (enrdf_load_stackoverflow) * 1972-06-14 1974-01-18 Kentrox Industries

Also Published As

Publication number Publication date
CH250781A (de) 1947-09-15
NL113730A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
GB1344001A (en) Communication systems
US2922847A (en) Distributing system
US3610836A (en) Distribution frame for communication equipment
US4035587A (en) Wire termination block switching arrangement
GB1190865A (en) Improvements in Automatic Mobile Radio-Telephone Networks
US2377453A (en) Telephone system
US2929881A (en) Terminal-per-station telephone partyline switching system
US4317967A (en) Fault isolation device
US2201573A (en) Telephone system
GB663365A (en) Main distributing frame in telecommunication exchange systems
US2757240A (en) Gating circuit for lines incoming to an operator's position
US2806088A (en) Communication system
US3855420A (en) Supervisory circuit
US1568039A (en) Telephone-exchange system
US2810016A (en) Key telephone set holding circuit
US2379456A (en) Telephone system
US2375136A (en) Telephone system
US2314518A (en) Telephone system
US3967075A (en) Attendant board system in a telephone exchange
US2753401A (en) Busy verification
US2144866A (en) Telephone system
US1721607A (en) Automatic or semiautomatic telephone system
US3431364A (en) Annoyance call trap
US1131912A (en) Telephone system.
US3135833A (en) Transmission loss pad control system