CA988637A - System for recording and reading the tariff units in a telephone exchange or in a teletype central office - Google Patents

System for recording and reading the tariff units in a telephone exchange or in a teletype central office

Info

Publication number
CA988637A
CA988637A CA187,530A CA187530A CA988637A CA 988637 A CA988637 A CA 988637A CA 187530 A CA187530 A CA 187530A CA 988637 A CA988637 A CA 988637A
Authority
CA
Canada
Prior art keywords
teletype
recording
reading
central office
telephone 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
CA187,530A
Other versions
CA187530S (en
Inventor
Jerzy W. Szczepanski
Wieslaw Wilczynski
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.)
Politechnika Warszawska
Original Assignee
Politechnika Warszawska
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 Politechnika Warszawska filed Critical Politechnika Warszawska
Application granted granted Critical
Publication of CA988637A publication Critical patent/CA988637A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA187,530A 1972-12-07 1973-12-06 System for recording and reading the tariff units in a telephone exchange or in a teletype central office Expired CA988637A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL15935672A PL79151B1 (en) 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
CA988637A true CA988637A (en) 1976-05-04

Family

ID=19960858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,530A Expired CA988637A (en) 1972-12-07 1973-12-06 System for recording and reading the tariff units in a telephone exchange or in a teletype central office

Country Status (9)

Country Link
CA (1) CA988637A (en)
CS (1) CS167400B2 (en)
DD (1) DD109146A5 (en)
DE (1) DE2361139C3 (en)
FR (1) FR2210058B1 (en)
GB (1) GB1429023A (en)
IT (1) IT1029201B (en)
PL (1) PL79151B1 (en)
SU (1) SU560542A3 (en)

Also Published As

Publication number Publication date
IT1029201B (en) 1979-03-10
FR2210058B1 (en) 1976-10-01
DE2361139A1 (en) 1974-07-11
PL79151B1 (en) 1975-06-30
GB1429023A (en) 1976-03-24
AU6280673A (en) 1975-05-22
DD109146A5 (en) 1974-10-12
SU560542A3 (en) 1977-05-30
DE2361139C3 (en) 1978-08-03
CS167400B2 (en) 1976-04-29
DE2361139B2 (en) 1977-12-08
FR2210058A1 (en) 1974-07-05

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