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FR441982A - Complex apparatus for automatic recording of the total number of actual and individual calls for telephone systems - Google Patents

Complex apparatus for automatic recording of the total number of actual and individual calls for telephone systems

Info

Publication number
FR441982A
FR441982A FR441982A FR441982DA FR441982A FR 441982 A FR441982 A FR 441982A FR 441982 A FR441982 A FR 441982A FR 441982D A FR441982D A FR 441982DA FR 441982 A FR441982 A FR 441982A
Authority
FR
France
Prior art keywords
actual
total number
telephone systems
automatic recording
complex apparatus
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
FR441982A
Other languages
French (fr)
Inventor
Ernest Graham Godfree
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR441982A publication Critical patent/FR441982A/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
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR441982A 1911-04-03 1912-04-01 Complex apparatus for automatic recording of the total number of actual and individual calls for telephone systems Expired FR441982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU441982X 1911-04-03

Publications (1)

Publication Number Publication Date
FR441982A true FR441982A (en) 1912-08-21

Family

ID=32513309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR441982A Expired FR441982A (en) 1911-04-03 1912-04-01 Complex apparatus for automatic recording of the total number of actual and individual calls for telephone systems

Country Status (3)

Country Link
DE (1) DE266797C (en)
FR (1) FR441982A (en)
GB (1) GB191207264A (en)

Also Published As

Publication number Publication date
DE266797C (en)
GB191207264A (en) 1913-04-25

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