GB191022411A - Telephone System. - Google Patents

Telephone System.

Info

Publication number
GB191022411A
GB191022411A GB191022411DA GB191022411A GB 191022411 A GB191022411 A GB 191022411A GB 191022411D A GB191022411D A GB 191022411DA GB 191022411 A GB191022411 A GB 191022411A
Authority
GB
United Kingdom
Prior art keywords
lever
over
contacts
lead
circuit
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)
Inventor
Wallace Fairweather
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191022411A publication Critical patent/GB191022411A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/12—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
GB191022411D 1910-09-27 1910-09-27 Telephone System. Expired GB191022411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191022411T 1910-09-27

Publications (1)

Publication Number Publication Date
GB191022411A true GB191022411A (en) 1911-03-23

Family

ID=32493487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191022411D Expired GB191022411A (en) 1910-09-27 1910-09-27 Telephone System.

Country Status (3)

Country Link
DE (1) DE260272C (https=)
FR (1) FR420817A (https=)
GB (1) GB191022411A (https=)

Also Published As

Publication number Publication date
DE260272C (https=)
FR420817A (fr) 1911-02-08

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