FR795587A - Improvements to telephone or similar systems - Google Patents

Improvements to telephone or similar systems

Info

Publication number
FR795587A
FR795587A FR795587DA FR795587A FR 795587 A FR795587 A FR 795587A FR 795587D A FR795587D A FR 795587DA FR 795587 A FR795587 A FR 795587A
Authority
FR
France
Prior art keywords
telephone
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR795587A publication Critical patent/FR795587A/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)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR795587D 1934-06-26 1935-06-22 Improvements to telephone or similar systems Expired FR795587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1883134A GB440348A (en) 1934-06-26 1934-06-26 Improvements in or relating to call-recording arrangements in telephone or like systems

Publications (1)

Publication Number Publication Date
FR795587A true FR795587A (en) 1936-03-17

Family

ID=40672219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR795587D Expired FR795587A (en) 1934-06-26 1935-06-22 Improvements to telephone or similar systems

Country Status (3)

Country Link
FR (1) FR795587A (en)
GB (1) GB440348A (en)
NL (1) NL45218C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767105C (en) * 1938-04-29 1951-10-31 Siemens & Halske A G Circuit arrangement for the crediting of fees in telecommunication systems with dialer operation, in particular telephone systems
DE887223C (en) * 1937-03-10 1953-08-20 Int Standard Electric Corp Circuit arrangement for determining the fee for connections in telecommunications systems, in particular telephone systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE887223C (en) * 1937-03-10 1953-08-20 Int Standard Electric Corp Circuit arrangement for determining the fee for connections in telecommunications systems, in particular telephone systems
DE767105C (en) * 1938-04-29 1951-10-31 Siemens & Halske A G Circuit arrangement for the crediting of fees in telecommunication systems with dialer operation, in particular telephone systems

Also Published As

Publication number Publication date
NL45218C (en) 1939-03-15
GB440348A (en) 1935-12-27

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