FR1082786A - Improvements made to or related to telephone or similar systems - Google Patents

Improvements made to or related to telephone or similar systems

Info

Publication number
FR1082786A
FR1082786A FR1082786DA FR1082786A FR 1082786 A FR1082786 A FR 1082786A FR 1082786D A FR1082786D A FR 1082786DA FR 1082786 A FR1082786 A FR 1082786A
Authority
FR
France
Prior art keywords
telephone
improvements made
similar systems
systems
similar
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
French (fr)
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.)
British Telecommunications PLC
British Telecommunications Research Ltd
Original Assignee
British Telecommunications PLC
British Telecommunications Research 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 British Telecommunications PLC, British Telecommunications Research Ltd filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of FR1082786A publication Critical patent/FR1082786A/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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
FR1082786D 1953-05-27 1953-05-26 Improvements made to or related to telephone or similar systems Expired FR1082786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1343552A GB723148A (en) 1953-05-27 1953-05-27 Improvements in or relating to telephone or like systems

Publications (1)

Publication Number Publication Date
FR1082786A true FR1082786A (en) 1955-01-03

Family

ID=10022946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082786D Expired FR1082786A (en) 1953-05-27 1953-05-26 Improvements made to or related to telephone or similar systems

Country Status (4)

Country Link
BE (1) BE520228A (en)
DE (1) DE936520C (en)
FR (1) FR1082786A (en)
GB (1) GB723148A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173705B (en) * 1955-01-27 1964-07-09 Ncr Co Data processing serial machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1063651B (en) * 1954-10-02 1959-08-20 Siemens Edison Swan Ltd Circuit arrangement for automatic billing depending on zone and / or time for indirectly controlled telephone systems
GB850361A (en) * 1955-12-09 1960-10-05 Siemens Edison Swan Ltd Improvements relating to automatic exchange systems
NL218614A (en) * 1956-07-02
NL225745A (en) * 1957-03-12
GB853119A (en) * 1957-10-11 1960-11-02 Ericsson Telefon Ab L M Improvements in or relating to call accounting apparatus for automatic telephone systems
BE589466A (en) * 1957-12-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173705B (en) * 1955-01-27 1964-07-09 Ncr Co Data processing serial machine

Also Published As

Publication number Publication date
DE936520C (en) 1955-12-15
BE520228A (en) 1955-06-10
GB723148A (en) 1955-02-02

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