FR940683A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
FR940683A
FR940683A FR940683DA FR940683A FR 940683 A FR940683 A FR 940683A FR 940683D A FR940683D A FR 940683DA FR 940683 A FR940683 A FR 940683A
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR940683A publication Critical patent/FR940683A/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
FR940683D 1946-02-23 1947-02-04 Telephone systems Expired FR940683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637731XA 1946-02-23 1946-02-23

Publications (1)

Publication Number Publication Date
FR940683A true FR940683A (en) 1948-12-20

Family

ID=22051404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940683D Expired FR940683A (en) 1946-02-23 1947-02-04 Telephone systems

Country Status (3)

Country Link
DE (1) DE826935C (en)
FR (1) FR940683A (en)
GB (1) GB637731A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE683705C (en) * 1934-06-20 1939-11-14 Siemens & Halske Akt Ges Circuit arrangement for crediting charges in telecommunication systems, in particular telephone systems
DE717900C (en) * 1935-06-14 1942-03-02 Siemens Ag Circuit arrangement for crediting charges in telecommunication systems, in particular telephone systems
DE737855C (en) * 1936-04-18 1943-07-29 Telefonbau & Normalzeit Gmbh Arrangement for determining the fees for manually or independently established telecommunication connections
DE747168C (en) * 1936-12-03 1944-09-13 Telefonbau & Normalzeit Gmbh Circuit arrangement for telephone systems with dialer operation and call slip printers, in which the fees are announced automatically

Also Published As

Publication number Publication date
GB637731A (en) 1950-05-24
DE826935C (en) 1952-02-21

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