GB191215952A - Telephone Machine Switching System. - Google Patents

Telephone Machine Switching System.

Info

Publication number
GB191215952A
GB191215952A GB191215952DA GB191215952A GB 191215952 A GB191215952 A GB 191215952A GB 191215952D A GB191215952D A GB 191215952DA GB 191215952 A GB191215952 A GB 191215952A
Authority
GB
United Kingdom
Prior art keywords
switch
operator
line
connexion
relay
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
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.)
Western Electric Co Ltd Great Britain
Original Assignee
Western Electric Co Ltd Great Britain
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 Western Electric Co Ltd Great Britain filed Critical Western Electric Co Ltd Great Britain
Application granted granted Critical
Publication of GB191215952A publication Critical patent/GB191215952A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB191215952D 1912-07-08 1912-07-08 Telephone Machine Switching System. Expired GB191215952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191215952T 1912-07-08

Publications (1)

Publication Number Publication Date
GB191215952A true GB191215952A (en) 1913-07-08

Family

ID=32573072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191215952D Expired GB191215952A (en) 1912-07-08 1912-07-08 Telephone Machine Switching System.

Country Status (3)

Country Link
AU (4) AU1357314B (https=)
DE (1) DE324311C (https=)
GB (1) GB191215952A (https=)

Also Published As

Publication number Publication date
AU1357414B (en) 1914-07-21
AU965913B (en) 1914-10-20
DE324311C (https=) 1920-08-26
AU1357314B (en) 1914-07-21
AU1357214B (en) 1914-07-21

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