GB665129A - Improvements in or relating to telecommunication systems - Google Patents

Improvements in or relating to telecommunication systems

Info

Publication number
GB665129A
GB665129A GB304049A GB304049A GB665129A GB 665129 A GB665129 A GB 665129A GB 304049 A GB304049 A GB 304049A GB 304049 A GB304049 A GB 304049A GB 665129 A GB665129 A GB 665129A
Authority
GB
United Kingdom
Prior art keywords
relay
relays
instant
digit
cycle
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
GB304049A
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.)
Individual
Original Assignee
Individual
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 BE493565D priority Critical patent/BE493565A/xx
Application filed by Individual filed Critical Individual
Priority to GB304049A priority patent/GB665129A/en
Priority to DEM1683A priority patent/DE838620C/de
Priority to FR1013586D priority patent/FR1013586A/fr
Publication of GB665129A publication Critical patent/GB665129A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB304049A 1949-02-03 1949-02-03 Improvements in or relating to telecommunication systems Expired GB665129A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE493565D BE493565A (en, 2012) 1949-02-03
GB304049A GB665129A (en) 1949-02-03 1949-02-03 Improvements in or relating to telecommunication systems
DEM1683A DE838620C (de) 1949-02-03 1950-01-29 Schaltanordnung fuer Fernmelde-, insbesondere selbsttaetige Fernsprechanlagen
FR1013586D FR1013586A (fr) 1949-02-03 1950-02-02 Perfectionnements aux dispositifs de télécommunication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB304049A GB665129A (en) 1949-02-03 1949-02-03 Improvements in or relating to telecommunication systems

Publications (1)

Publication Number Publication Date
GB665129A true GB665129A (en) 1952-01-16

Family

ID=9750803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB304049A Expired GB665129A (en) 1949-02-03 1949-02-03 Improvements in or relating to telecommunication systems

Country Status (4)

Country Link
BE (1) BE493565A (en, 2012)
DE (1) DE838620C (en, 2012)
FR (1) FR1013586A (en, 2012)
GB (1) GB665129A (en, 2012)

Also Published As

Publication number Publication date
DE838620C (de) 1952-05-12
FR1013586A (fr) 1952-07-30
BE493565A (en, 2012)

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