GB191002608A - Improvements in Telephone Exchanges. - Google Patents

Improvements in Telephone Exchanges.

Info

Publication number
GB191002608A
GB191002608A GB191002608DA GB191002608A GB 191002608 A GB191002608 A GB 191002608A GB 191002608D A GB191002608D A GB 191002608DA GB 191002608 A GB191002608 A GB 191002608A
Authority
GB
United Kingdom
Prior art keywords
relay
winding
ringing
current
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)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of GB191002608A publication Critical patent/GB191002608A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
GB191002608D 1909-02-12 1910-02-02 Improvements in Telephone Exchanges. Expired GB191002608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191002608X 1909-02-12

Publications (1)

Publication Number Publication Date
GB191002608A true GB191002608A (en) 1910-04-07

Family

ID=32521577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191002608D Expired GB191002608A (en) 1909-02-12 1910-02-02 Improvements in Telephone Exchanges.

Country Status (2)

Country Link
DE (1) DE229421C (enrdf_load_stackoverflow)
GB (1) GB191002608A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE229421C (enrdf_load_stackoverflow)

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