BE499901A - - Google Patents

Info

Publication number
BE499901A
BE499901A BE499901DA BE499901A BE 499901 A BE499901 A BE 499901A BE 499901D A BE499901D A BE 499901DA BE 499901 A BE499901 A BE 499901A
Authority
BE
Belgium
Application number
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.)
Publication of BE499901A publication Critical patent/BE499901A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/12—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using diode rectifiers
    • 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
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
  • Meter Arrangements (AREA)
BE499901D 1949-12-30 BE499901A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR856165X 1949-12-30

Publications (1)

Publication Number Publication Date
BE499901A true BE499901A (it)

Family

ID=9328705

Family Applications (1)

Application Number Title Priority Date Filing Date
BE499901D BE499901A (it) 1949-12-30

Country Status (6)

Country Link
US (1) US2694753A (it)
BE (1) BE499901A (it)
CH (1) CH318330A (it)
DE (1) DE856165C (it)
FR (1) FR1012626A (it)
GB (1) GB740531A (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545100A (it) * 1953-07-03
DE1085201B (de) * 1955-01-19 1960-07-14 Josef Dirr Schaltungsanordnung zur Auswertung von ueber abgeriegelte Leitungen uebertragenen, zeitlich versetzten Wechselstromimpulsen einer Frequenz fuer die Identifizierung von Leitungen zur Gebuehrenerfassung in Fernmelde-, insbesondere Fernsprechanlagen
NL95809C (it) * 1955-03-28
US2857470A (en) * 1956-05-02 1958-10-21 Gen Telephone Lab Inc Transistor line identifier
NL207696A (it) * 1956-06-05 Philips Nv
GB809871A (en) * 1956-12-21 1959-03-04 Standard Telephones Cables Ltd Improvements in or relating to automatic telecommunication exchanges
US2924666A (en) * 1957-09-19 1960-02-09 Bell Telephone Labor Inc Telephone system calling stations identifier
DE1215213B (de) * 1960-10-01 1966-04-28 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur Erkennung und Markierung der jeweils rufenden von gruppenweise zusammengefassten Leitungen, insbesondere Teilnehmeranschlussleitungen, in Fernsprechvermittlungsanlagen
US3328530A (en) * 1963-10-10 1967-06-27 Automatic Elect Lab Director system with time division access of a common translator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE473095A (it) * 1946-05-17

Also Published As

Publication number Publication date
FR1012626A (fr) 1952-07-15
US2694753A (en) 1954-11-16
CH318330A (fr) 1956-12-31
GB740531A (en) 1955-11-16
DE856165C (de) 1952-11-20

Similar Documents

Publication Publication Date Title
IT464517A (it)
AT166754B (it)
BE493235A (it)
BE155588A (it)
BE437616A (it)
BE449134A (it)
BE457200A (it)
BE476015A (it)
BE476643A (it)
BE476829A (it)
BE479156A (it)
BE480597A (it)
NL69343C (it)
BE482756A (it)
BE483443A (it)
BE483689A (it)
BE485768A (it)
BE485770A (it)
BE486689A (it)
BE486819A (it)
BE487077A (it)
BE487289A (it)
BE487335A (it)
BE487425A (it)
BE487428A (it)