GB190906878A - Improvements in Telephone Installations. - Google Patents

Improvements in Telephone Installations.

Info

Publication number
GB190906878A
GB190906878A GB190906878DA GB190906878A GB 190906878 A GB190906878 A GB 190906878A GB 190906878D A GB190906878D A GB 190906878DA GB 190906878 A GB190906878 A GB 190906878A
Authority
GB
United Kingdom
Prior art keywords
relay
meter
contact
sub
exchange
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 Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
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 Brothers and Co Ltd filed Critical Siemens Brothers and Co Ltd
Application granted granted Critical
Publication of GB190906878A publication Critical patent/GB190906878A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Interface Circuits In Exchanges (AREA)
GB190906878D 1909-03-22 1909-03-22 Improvements in Telephone Installations. Expired GB190906878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190906878T 1909-03-22

Publications (1)

Publication Number Publication Date
GB190906878A true GB190906878A (en) 1909-07-08

Family

ID=32490674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190906878D Expired GB190906878A (en) 1909-03-22 1909-03-22 Improvements in Telephone Installations.

Country Status (2)

Country Link
DE (1) DE241946C (enrdf_load_stackoverflow)
GB (1) GB190906878A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE241946C (enrdf_load_stackoverflow)

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