GB527505A - Improvements in or relating to electrical signal storage and transmission equipment - Google Patents

Improvements in or relating to electrical signal storage and transmission equipment

Info

Publication number
GB527505A
GB527505A GB10521/39A GB1052139A GB527505A GB 527505 A GB527505 A GB 527505A GB 10521/39 A GB10521/39 A GB 10521/39A GB 1052139 A GB1052139 A GB 1052139A GB 527505 A GB527505 A GB 527505A
Authority
GB
United Kingdom
Prior art keywords
relay
register
switch
digit
key
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
GB10521/39A
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
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB527505A publication Critical patent/GB527505A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
GB10521/39A 1939-04-04 1939-04-04 Improvements in or relating to electrical signal storage and transmission equipment Expired GB527505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB237097X 1939-04-04

Publications (1)

Publication Number Publication Date
GB527505A true GB527505A (en) 1940-10-10

Family

ID=10200029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10521/39A Expired GB527505A (en) 1939-04-04 1939-04-04 Improvements in or relating to electrical signal storage and transmission equipment

Country Status (3)

Country Link
CH (1) CH237097A (enrdf_load_stackoverflow)
GB (1) GB527505A (enrdf_load_stackoverflow)
NL (2) NL97530B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947247C (de) * 1952-09-09 1956-08-16 Siemens Ag Stromstosssender fuer Teilnehmerstellen in Fernmelde-, insbesondere Fernsprechanlagen zur Auswahl einer beschraenkten Zahl von mehrstelligen Rufnummern
DE947983C (de) * 1954-02-09 1956-08-23 Siemens Ag Schaltungsanordnung fuer Einrichtungen zur tastengesteuerten Wahl in Fernmelde-, insbesondere Fernsprechanlagen
DE961811C (de) * 1941-07-17 1957-04-18 Siemens Ag Schaltungsanordnung fuer Zahlengeber zur Einstellung von Waehlern in Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE966749C (de) * 1954-03-05 1957-09-19 Siemens Ag Schaltungsanordnung fuer Speichereinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen, bei welchen die Schaltauftraege in der Form von mehrstelligen Dualzahlen inGruppen von Speicherelementen ein- und ausgespeichert werden

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE961811C (de) * 1941-07-17 1957-04-18 Siemens Ag Schaltungsanordnung fuer Zahlengeber zur Einstellung von Waehlern in Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE947247C (de) * 1952-09-09 1956-08-16 Siemens Ag Stromstosssender fuer Teilnehmerstellen in Fernmelde-, insbesondere Fernsprechanlagen zur Auswahl einer beschraenkten Zahl von mehrstelligen Rufnummern
DE947983C (de) * 1954-02-09 1956-08-23 Siemens Ag Schaltungsanordnung fuer Einrichtungen zur tastengesteuerten Wahl in Fernmelde-, insbesondere Fernsprechanlagen
DE966749C (de) * 1954-03-05 1957-09-19 Siemens Ag Schaltungsanordnung fuer Speichereinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen, bei welchen die Schaltauftraege in der Form von mehrstelligen Dualzahlen inGruppen von Speicherelementen ein- und ausgespeichert werden

Also Published As

Publication number Publication date
NL62587C (enrdf_load_stackoverflow)
CH237097A (fr) 1945-03-31
NL97530B (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US1498544A (en) Electrical selective system
US2183649A (en) Automatic telephone system
GB527505A (en) Improvements in or relating to electrical signal storage and transmission equipment
US2504708A (en) Selecting-switch for use in telephone systems
US2463708A (en) Impulse sender
US2744245A (en) Rectangular coordinate registering circuit
US1530968A (en) Recording device
US1916760A (en) Telephone exchange system
US2333195A (en) Key pulsing sender for telephone systems
US2513949A (en) Selecting switch for use in telephone systems
US2427000A (en) Coin-operated telephone system
US1687669A (en) Trunk-testing circuits for selector switches
US2668194A (en) Finder-allotter circuit for telephone systems
US2767249A (en) Restricted service telephone system
US2013169A (en) Selecting switch for use in telephone systems
US1688993A (en) Telephone system
US3387186A (en) Relay counting chain
US3033934A (en) Trunk routing
US2541593A (en) Automatic selecting switch
US1337740A (en) Telephone-exchange system
US1456537A (en) Telephone-exchange system
US1569676A (en) Automatic telephone system
US1762763A (en) Telephone system
US3007638A (en) Decade counting device
US1556999A (en) Automatic telephone exchange