GB486764A - Improvements in or relating to electrical communication systems - Google Patents

Improvements in or relating to electrical communication systems

Info

Publication number
GB486764A
GB486764A GB33169/36A GB3316936A GB486764A GB 486764 A GB486764 A GB 486764A GB 33169/36 A GB33169/36 A GB 33169/36A GB 3316936 A GB3316936 A GB 3316936A GB 486764 A GB486764 A GB 486764A
Authority
GB
United Kingdom
Prior art keywords
energizes
impulses
relay
digit
junction
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
GB33169/36A
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 BE424989D priority Critical patent/BE424989A/xx
Application filed by Individual filed Critical Individual
Priority to GB33169/36A priority patent/GB486764A/en
Priority to US176804A priority patent/US2207537A/en
Publication of GB486764A publication Critical patent/GB486764A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
GB33169/36A 1936-12-03 1936-12-03 Improvements in or relating to electrical communication systems Expired GB486764A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE424989D BE424989A (enrdf_load_stackoverflow) 1936-12-03
GB33169/36A GB486764A (en) 1936-12-03 1936-12-03 Improvements in or relating to electrical communication systems
US176804A US2207537A (en) 1936-12-03 1937-11-27 Electrical communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33169/36A GB486764A (en) 1936-12-03 1936-12-03 Improvements in or relating to electrical communication systems

Publications (1)

Publication Number Publication Date
GB486764A true GB486764A (en) 1938-06-03

Family

ID=10349445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33169/36A Expired GB486764A (en) 1936-12-03 1936-12-03 Improvements in or relating to electrical communication systems

Country Status (3)

Country Link
US (1) US2207537A (enrdf_load_stackoverflow)
BE (1) BE424989A (enrdf_load_stackoverflow)
GB (1) GB486764A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597869A (en) * 1946-11-30 1952-05-27 Standard Telephones Cables Ltd Impulse repeater for metered automatic telephone service

Also Published As

Publication number Publication date
BE424989A (enrdf_load_stackoverflow)
US2207537A (en) 1940-07-09

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