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GB1202894A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
GB1202894A
GB1202894A GB790067A GB790067A GB1202894A GB 1202894 A GB1202894 A GB 1202894A GB 790067 A GB790067 A GB 790067A GB 790067 A GB790067 A GB 790067A GB 1202894 A GB1202894 A GB 1202894A
Authority
GB
United Kingdom
Prior art keywords
relating
telephone systems
telephone
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
GB790067A
Inventor
William Archibald Cha Hemmings
Robert Leslie Allsopp
Samuel Francis Boote
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric 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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB790067A priority Critical patent/GB1202894A/en
Publication of GB1202894A publication Critical patent/GB1202894A/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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
GB790067A 1967-02-20 1967-02-20 Improvements in or relating to telephone systems Expired GB1202894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB790067A GB1202894A (en) 1967-02-20 1967-02-20 Improvements in or relating to telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB790067A GB1202894A (en) 1967-02-20 1967-02-20 Improvements in or relating to telephone systems

Publications (1)

Publication Number Publication Date
GB1202894A true GB1202894A (en) 1970-08-19

Family

ID=9841968

Family Applications (1)

Application Number Title Priority Date Filing Date
GB790067A Expired GB1202894A (en) 1967-02-20 1967-02-20 Improvements in or relating to telephone systems

Country Status (1)

Country Link
GB (1) GB1202894A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee