GB901837A - Improvements relating to selectrive electrical marking arrangements - Google Patents

Improvements relating to selectrive electrical marking arrangements

Info

Publication number
GB901837A
GB901837A GB670160A GB670160A GB901837A GB 901837 A GB901837 A GB 901837A GB 670160 A GB670160 A GB 670160A GB 670160 A GB670160 A GB 670160A GB 901837 A GB901837 A GB 901837A
Authority
GB
United Kingdom
Prior art keywords
potential
calling
line
marking
ordinate
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
GB670160A
Other languages
English (en)
Inventor
Ronald William Stanley Kinsey
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 NL261669D priority Critical patent/NL261669A/xx
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB670160A priority patent/GB901837A/en
Priority to DEA36800A priority patent/DE1138433B/de
Priority to US112168A priority patent/US3170992A/en
Publication of GB901837A publication Critical patent/GB901837A/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
    • H04Q3/52Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Thyristor Switches And Gates (AREA)
GB670160A 1960-02-25 1960-02-25 Improvements relating to selectrive electrical marking arrangements Expired GB901837A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL261669D NL261669A (enExample) 1960-02-25
GB670160A GB901837A (en) 1960-02-25 1960-02-25 Improvements relating to selectrive electrical marking arrangements
DEA36800A DE1138433B (de) 1960-02-25 1961-02-24 Markierungsanordnung fuer Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
US112168A US3170992A (en) 1960-02-25 1961-05-17 Selective electrical marking arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB670160A GB901837A (en) 1960-02-25 1960-02-25 Improvements relating to selectrive electrical marking arrangements

Publications (1)

Publication Number Publication Date
GB901837A true GB901837A (en) 1962-07-25

Family

ID=9819214

Family Applications (1)

Application Number Title Priority Date Filing Date
GB670160A Expired GB901837A (en) 1960-02-25 1960-02-25 Improvements relating to selectrive electrical marking arrangements

Country Status (3)

Country Link
DE (1) DE1138433B (enExample)
GB (1) GB901837A (enExample)
NL (1) NL261669A (enExample)

Also Published As

Publication number Publication date
NL261669A (enExample)
DE1138433B (de) 1962-10-25

Similar Documents

Publication Publication Date Title
US2691151A (en) Multiple switching systems
US2518022A (en) Translator
US2976520A (en) Matrix selecting network
GB901837A (en) Improvements relating to selectrive electrical marking arrangements
US3129293A (en) Automatic telecommunication switching systems
US2352742A (en) Pulse register circuit
US2633498A (en) Selecting and two-way translating system
US2315705A (en) Testing and selecting system
US2946043A (en) A.c. coding systems for multiple load selection
US2878320A (en) Circuit arrangement for telecommunication systems, in particular telephone systems
US2967212A (en) Identifying testing or discriminating device
US3134055A (en) Voltage level detector circuits
US3170992A (en) Selective electrical marking arrangements
US2699467A (en) Telephone system and a relayless line circuit and circuits in cooperation therewith for extending a call
US3079588A (en) Transistor switching devices in a gas tube coincidence matrix selector
US2581457A (en) Electronic stop circuit for switches
US3134054A (en) Voltage level detector circuits
US3585310A (en) Telephone switching system
US2978645A (en) Electronic switching circuit
US4231017A (en) Switching matrix equipment having a series circuit of relay coil and self-holding diode at each crosspoint
SE410242B (sv) Anleggning for overforing och utverdering av vid flera metpunkter upptredande metverden
US3274555A (en) Digital data transfer circuit utilizing tunnel diodes
NO138163B (no) Relematrise, isaer tunge-relematrise for velgernett.
US3140463A (en) Error-checking circuit for a data transmission system
US3723660A (en) Switching circuit arrangement for cross-wire control apparatus for communication system