GB262505A - Telephone exchange systems - Google Patents

Telephone exchange systems

Info

Publication number
GB262505A
GB262505A GB2224425A GB2224425A GB262505A GB 262505 A GB262505 A GB 262505A GB 2224425 A GB2224425 A GB 2224425A GB 2224425 A GB2224425 A GB 2224425A GB 262505 A GB262505 A GB 262505A
Authority
GB
United Kingdom
Prior art keywords
relay
relays
over
energizes
digit
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
GB2224425A
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.)
AT&T Corp
Original Assignee
Bell Telephone Laboratories Inc
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 FR608546D priority Critical patent/FR608546A/fr
Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to GB2224425A priority patent/GB262505A/en
Publication of GB262505A publication Critical patent/GB262505A/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB2224425A 1925-09-05 1925-09-05 Telephone exchange systems Expired GB262505A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR608546D FR608546A (enrdf_load_stackoverflow) 1925-09-05
GB2224425A GB262505A (en) 1925-09-05 1925-09-05 Telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2224425A GB262505A (en) 1925-09-05 1925-09-05 Telephone exchange systems

Publications (1)

Publication Number Publication Date
GB262505A true GB262505A (en) 1926-12-06

Family

ID=10176227

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2224425A Expired GB262505A (en) 1925-09-05 1925-09-05 Telephone exchange systems

Country Status (2)

Country Link
FR (1) FR608546A (enrdf_load_stackoverflow)
GB (1) GB262505A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR608546A (enrdf_load_stackoverflow) 1926-07-28

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