AU1357314B - Improvements in machine telephone switching systems - Google Patents

Improvements in machine telephone switching systems

Info

Publication number
AU1357314B
AU1357314B AU13573/14A AU1357314A AU1357314B AU 1357314 B AU1357314 B AU 1357314B AU 13573/14 A AU13573/14 A AU 13573/14A AU 1357314 A AU1357314 A AU 1357314A AU 1357314 B AU1357314 B AU 1357314B
Authority
AU
Australia
Prior art keywords
telephone switching
switching systems
machine telephone
machine
systems
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
AU13573/14A
Other languages
English (en)
Other versions
AU1357314A (en
Inventor
Frank Robert Mcberty
John Napier Wallace
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
Publication of AU1357314A publication Critical patent/AU1357314A/en
Publication of AU1357314B publication Critical patent/AU1357314B/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)
AU13573/14A 1912-07-08 1913-07-07 Improvements in machine telephone switching systems Expired AU1357314B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
AU1357314A AU1357314A (en) 1913-07-09
AU1357314B true AU1357314B (en) 1914-07-21

Family

ID=32573072

Family Applications (4)

Application Number Title Priority Date Filing Date
AU13573/14A Expired AU1357314B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems
AU9659/13A Expired AU965913B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems
AU13574/14A Expired AU1357414B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems
AU13572/14A Expired AU1357214B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems

Family Applications After (3)

Application Number Title Priority Date Filing Date
AU9659/13A Expired AU965913B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems
AU13574/14A Expired AU1357414B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems
AU13572/14A Expired AU1357214B (en) 1912-07-08 1913-07-07 Improvements in machine telephone switching systems

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
GB191215952A (en) 1913-07-08
AU1357214B (en) 1914-07-21

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