GB723148A - Improvements in or relating to telephone or like systems - Google Patents

Improvements in or relating to telephone or like systems

Info

Publication number
GB723148A
GB723148A GB1343552A GB1343552A GB723148A GB 723148 A GB723148 A GB 723148A GB 1343552 A GB1343552 A GB 1343552A GB 1343552 A GB1343552 A GB 1343552A GB 723148 A GB723148 A GB 723148A
Authority
GB
United Kingdom
Prior art keywords
meter
track
transfer
dot
registration
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
GB1343552A
Other languages
English (en)
Inventor
George Thomas Baker
Victor Edmund Mann
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
Priority to BE520228D priority Critical patent/BE520228A/xx
Priority to FR1082786D priority patent/FR1082786A/fr
Application filed by British Telecommunications PLC, British Telecommunications Research Ltd filed Critical British Telecommunications PLC
Priority to DEB25760A priority patent/DE936520C/de
Priority to GB1343552A priority patent/GB723148A/en
Publication of GB723148A publication Critical patent/GB723148A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB1343552A 1953-05-27 1953-05-27 Improvements in or relating to telephone or like systems Expired GB723148A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE520228D BE520228A (forum.php) 1953-05-27 1953-05-26
FR1082786D FR1082786A (fr) 1953-05-27 1953-05-26 Perfectionnements apportés aux systèmes téléphoniques ou similaires ou ayant trait à ces systèmes
DEB25760A DE936520C (de) 1953-05-27 1953-05-27 Schaltungsanordnung zur Erfassung aller Gebuehren in Fernmelde-, insbesondere Fernsprechanlagen
GB1343552A GB723148A (en) 1953-05-27 1953-05-27 Improvements in or relating to telephone or like systems

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
GB723148A true GB723148A (en) 1955-02-02

Family

ID=10022946

Family Applications (1)

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

Country Status (4)

Country Link
BE (1) BE520228A (forum.php)
DE (1) DE936520C (forum.php)
FR (1) FR1082786A (forum.php)
GB (1) GB723148A (forum.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1063651B (de) * 1954-10-02 1959-08-20 Siemens Edison Swan Ltd Schaltungsanordnung zur selbsttaetigen Gebuehrenerfassung abhaengig von Zone und/oder Zeit fuer indirekt gesteuerte Fernsprechanlagen
NL124763C (forum.php) * 1955-01-27
GB850361A (en) * 1955-12-09 1960-10-05 Siemens Edison Swan Ltd Improvements relating to automatic exchange systems
NL218614A (forum.php) * 1956-07-02
NL225745A (forum.php) * 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
NL243168A (forum.php) * 1957-12-23

Also Published As

Publication number Publication date
BE520228A (forum.php) 1955-06-10
DE936520C (de) 1955-12-15
FR1082786A (fr) 1955-01-03

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