GB269236A - Improvements in automatic and semi-automatic telephone systems - Google Patents

Improvements in automatic and semi-automatic telephone systems

Info

Publication number
GB269236A
GB269236A GB55726A GB55726A GB269236A GB 269236 A GB269236 A GB 269236A GB 55726 A GB55726 A GB 55726A GB 55726 A GB55726 A GB 55726A GB 269236 A GB269236 A GB 269236A
Authority
GB
United Kingdom
Prior art keywords
relay
sequence switch
energizes
switch
register
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
GB55726A
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
Application filed by Individual filed Critical Individual
Priority to GB55726A priority Critical patent/GB269236A/en
Priority to FR624076D priority patent/FR624076A/fr
Publication of GB269236A publication Critical patent/GB269236A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB55726A 1926-01-07 1926-01-07 Improvements in automatic and semi-automatic telephone systems Expired GB269236A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB55726A GB269236A (en) 1926-01-07 1926-01-07 Improvements in automatic and semi-automatic telephone systems
FR624076D FR624076A (fr) 1926-01-07 1926-11-04 Perfectionnements aux systèmes pour bureaux centraux téléphoniques automatiques ou semi-automatiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55726A GB269236A (en) 1926-01-07 1926-01-07 Improvements in automatic and semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
GB269236A true GB269236A (en) 1927-04-07

Family

ID=9706460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55726A Expired GB269236A (en) 1926-01-07 1926-01-07 Improvements in automatic and semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR624076A (fr)
GB (1) GB269236A (fr)

Also Published As

Publication number Publication date
FR624076A (fr) 1927-07-07

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