FR828759A - Devices for recording information relating to telephone calls or the like - Google Patents

Devices for recording information relating to telephone calls or the like

Info

Publication number
FR828759A
FR828759A FR828759DA FR828759A FR 828759 A FR828759 A FR 828759A FR 828759D A FR828759D A FR 828759DA FR 828759 A FR828759 A FR 828759A
Authority
FR
France
Prior art keywords
devices
information relating
recording information
telephone calls
calls
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 FR828759A publication Critical patent/FR828759A/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
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Devices (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
FR828759D 1936-11-20 1931-11-06 Devices for recording information relating to telephone calls or the like Expired FR828759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB229089X 1936-11-20

Publications (1)

Publication Number Publication Date
FR828759A true FR828759A (en) 1938-05-30

Family

ID=10187009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828759D Expired FR828759A (en) 1936-11-20 1931-11-06 Devices for recording information relating to telephone calls or the like

Country Status (5)

Country Link
CH (1) CH229089A (en)
DE (1) DE733975C (en)
FR (1) FR828759A (en)
GB (1) GB485580A (en)
NL (1) NL49565C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE856466C (en) * 1939-04-06 1953-01-05 Normalzeit G M B H Charge display device for telephone systems with slip printers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE856466C (en) * 1939-04-06 1953-01-05 Normalzeit G M B H Charge display device for telephone systems with slip printers

Also Published As

Publication number Publication date
GB485580A (en) 1938-05-20
NL49565C (en)
DE733975C (en) 1943-04-15
CH229089A (en) 1943-09-30

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