GB651835A - Improvements in or relating to automatic telephone exchanges - Google Patents

Improvements in or relating to automatic telephone exchanges

Info

Publication number
GB651835A
GB651835A GB9337/47A GB933747A GB651835A GB 651835 A GB651835 A GB 651835A GB 9337/47 A GB9337/47 A GB 9337/47A GB 933747 A GB933747 A GB 933747A GB 651835 A GB651835 A GB 651835A
Authority
GB
United Kingdom
Prior art keywords
relay
over
circuit
bar
wire
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
GB9337/47A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB651835A publication Critical patent/GB651835A/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
    • 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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB9337/47A 1946-04-08 1947-04-08 Improvements in or relating to automatic telephone exchanges Expired GB651835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE258729X 1946-04-08

Publications (1)

Publication Number Publication Date
GB651835A true GB651835A (en) 1951-04-11

Family

ID=20306375

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9337/47A Expired GB651835A (en) 1946-04-08 1947-04-08 Improvements in or relating to automatic telephone exchanges

Country Status (3)

Country Link
BE (1) BE472421A (enrdf_load_stackoverflow)
CH (1) CH258729A (enrdf_load_stackoverflow)
GB (1) GB651835A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE472421A (enrdf_load_stackoverflow)
CH258729A (de) 1948-12-15

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