GB806826A - Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations - Google Patents

Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations

Info

Publication number
GB806826A
GB806826A GB8892/57A GB889257A GB806826A GB 806826 A GB806826 A GB 806826A GB 8892/57 A GB8892/57 A GB 8892/57A GB 889257 A GB889257 A GB 889257A GB 806826 A GB806826 A GB 806826A
Authority
GB
United Kingdom
Prior art keywords
relay
selector
line
energizes
impulse
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
GB8892/57A
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.)
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
Application filed by Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB806826A publication Critical patent/GB806826A/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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00Electrically-operated selector switches
    • H01H67/22Switches without multi-position wipers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
GB8892/57A 1956-03-17 1957-03-18 Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations Expired GB806826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE354489X 1956-03-17

Publications (1)

Publication Number Publication Date
GB806826A true GB806826A (en) 1958-12-31

Family

ID=6288820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8892/57A Expired GB806826A (en) 1956-03-17 1957-03-18 Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations

Country Status (5)

Country Link
US (1) US3019298A (enExample)
BE (1) BE555870A (enExample)
CH (1) CH354489A (enExample)
FR (1) FR1182256A (enExample)
GB (1) GB806826A (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2552792A (en) * 1947-10-18 1951-05-15 Automatic Elect Lab Telephone system

Also Published As

Publication number Publication date
US3019298A (en) 1962-01-30
FR1182256A (fr) 1959-06-24
CH354489A (de) 1961-05-31
BE555870A (enExample)

Similar Documents

Publication Publication Date Title
GB1297565A (enExample)
US2685683A (en) Fault signaling system for counting chain
US2850576A (en) Line concentrator system
GB806826A (en) Improvements in or relating to circuit arrangements for relay line-selectors in telecommunication installations
US3453391A (en) Signal converter circuit
GB718255A (en) Improvements in or relating to automatic telephone systems
US2306173A (en) Telephone system
GB698848A (en) Improvements in or relating to private automatic branch telephone exchanges
US2025880A (en) Telephone system
US2327458A (en) Testing system
US2547804A (en) Telephone line identification system
US3025354A (en) Party line substation identification system
US2938960A (en) Alternate routing in a step-by-step telephone system
US2779821A (en) Automatic telephone systems
US2039654A (en) Telephone system
US2567209A (en) Telephone metering system
US2508026A (en) Calling-line identification system
US1567265A (en) Telephone-exchange system
US2562555A (en) Automatic telephone system
US2251346A (en) Telephone system
US2817710A (en) Multiparty telephone system
US2039001A (en) Testing system
US1873772A (en) Metering system
US2350604A (en) Telephone instrument circuit
GB724634A (en) Improvements in party line and like circuit arrangements