GB693588A - Improvements in or relating to automatic telephone and like selecting systems - Google Patents

Improvements in or relating to automatic telephone and like selecting systems

Info

Publication number
GB693588A
GB693588A GB2754850A GB2754850A GB693588A GB 693588 A GB693588 A GB 693588A GB 2754850 A GB2754850 A GB 2754850A GB 2754850 A GB2754850 A GB 2754850A GB 693588 A GB693588 A GB 693588A
Authority
GB
United Kingdom
Prior art keywords
switch
digit
relay
dialled
checking
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
GB2754850A
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.)
WILLIAM HENDRIK THEODORUS HELM
Original Assignee
WILLIAM HENDRIK THEODORUS HELM
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 BE43050D priority Critical patent/BE43050A/xx
Application filed by WILLIAM HENDRIK THEODORUS HELM filed Critical WILLIAM HENDRIK THEODORUS HELM
Priority to GB2754850A priority patent/GB693588A/en
Publication of GB693588A publication Critical patent/GB693588A/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)
  • Interface Circuits In Exchanges (AREA)
GB2754850A 1948-08-18 1948-08-18 Improvements in or relating to automatic telephone and like selecting systems Expired GB693588A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE43050D BE43050A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1948-08-18
GB2754850A GB693588A (en) 1948-08-18 1948-08-18 Improvements in or relating to automatic telephone and like selecting systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2754850A GB693588A (en) 1948-08-18 1948-08-18 Improvements in or relating to automatic telephone and like selecting systems

Publications (1)

Publication Number Publication Date
GB693588A true GB693588A (en) 1953-07-01

Family

ID=10261385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2754850A Expired GB693588A (en) 1948-08-18 1948-08-18 Improvements in or relating to automatic telephone and like selecting systems

Country Status (2)

Country Link
BE (1) BE43050A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB693588A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
BE43050A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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