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GB637297A - Telephone installations in which a number of junction lines are available to a greater number of subscribers for calls to an exchange - Google Patents

Telephone installations in which a number of junction lines are available to a greater number of subscribers for calls to an exchange

Info

Publication number
GB637297A
GB637297A GB22354/46A GB2235446A GB637297A GB 637297 A GB637297 A GB 637297A GB 22354/46 A GB22354/46 A GB 22354/46A GB 2235446 A GB2235446 A GB 2235446A GB 637297 A GB637297 A GB 637297A
Authority
GB
United Kingdom
Prior art keywords
magnets
relays
contacts
switches
switch
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
GB22354/46A
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.)
CHR GFELLER AG
Original Assignee
CHR GFELLER AG
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 CHR GFELLER AG filed Critical CHR GFELLER AG
Publication of GB637297A publication Critical patent/GB637297A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB22354/46A 1945-07-26 1946-07-26 Telephone installations in which a number of junction lines are available to a greater number of subscribers for calls to an exchange Expired GB637297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH637297X 1945-07-26

Publications (1)

Publication Number Publication Date
GB637297A true GB637297A (en) 1950-05-17

Family

ID=4525180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22354/46A Expired GB637297A (en) 1945-07-26 1946-07-26 Telephone installations in which a number of junction lines are available to a greater number of subscribers for calls to an exchange

Country Status (3)

Country Link
CH (1) CH246849A (fr)
FR (1) FR930875A (fr)
GB (1) GB637297A (fr)

Also Published As

Publication number Publication date
CH246849A (de) 1947-01-31
FR930875A (fr) 1948-02-06

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