BE560633A - - Google Patents

Info

Publication number
BE560633A
BE560633A BE560633DA BE560633A BE 560633 A BE560633 A BE 560633A BE 560633D A BE560633D A BE 560633DA BE 560633 A BE560633 A BE 560633A
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 BE560633A publication Critical patent/BE560633A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Radio Relay Systems (AREA)
BE560633D 1956-12-07 BE560633A ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US626846A US2892037A (en) 1956-12-07 1956-12-07 Electrical information system

Publications (1)

Publication Number Publication Date
BE560633A true BE560633A ( )

Family

ID=24512104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE560633D BE560633A ( ) 1956-12-07

Country Status (6)

Country Link
US (1) US2892037A ( )
BE (1) BE560633A ( )
DE (1) DE1073552B ( )
FR (1) FR1184842A ( )
GB (1) GB843225A ( )
NL (2) NL112427C ( )

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061817A (en) * 1959-04-22 1962-10-30 Gen Dynamics Corp Finder circuit
US3028510A (en) * 1959-12-21 1962-04-03 Automatic Elect Lab Diode gate utilizing charged capacitor to forward bias diode
DE1162418B (de) * 1960-11-22 1964-02-06 Standard Elektrik Lorenz Ag Schaltungsanordnung zur Verhinderung der faelschlichen Auswertung von UEberspannungen durch Signalempfaenger in Fernmeldeanlagen
US3129291A (en) * 1960-12-29 1964-04-14 Bell Telephone Labor Inc Remote distributed telephone line concentrator
BE626082A ( ) * 1961-03-03
DE1157665B (de) * 1962-04-04 1963-11-21 Telefunken Patent Schaltungsanordnung zur Pruefung des Belegungszustandes von Teilnehmerleitungen in Fernmelde-, insbesondere Fernsprechanlagen
US3393276A (en) * 1964-10-14 1968-07-16 Ericsson Telefon Ab L M Threshold crosspoint identifying means for an automatic telephone exchange
DE1260552B (de) * 1965-02-15 1968-02-08 Telefonbau Relaislose Teilnehmeranschlussschaltung fuer Fernsprechanlagen
BE754235A (fr) * 1969-08-05 1970-12-31 Western Electric Co Circuit de supervision pour lignes telephoniques
ZA74205B (en) * 1973-02-12 1974-11-27 Int Standard Electric Corp Line condition signalling system
US4150258A (en) * 1975-02-03 1979-04-17 Oki Electric Industry Co., Ltd. Electronic switching system
US4292473A (en) * 1979-08-06 1981-09-29 International Standard Electric Corporation Loop supervision circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE517178A ( ) * 1952-01-26
US2715656A (en) * 1952-08-02 1955-08-16 Bell Telephone Labor Inc Electrical information system
US2783307A (en) * 1954-05-06 1957-02-26 Bell Telephone Labor Inc Supervisory circuit
US2724744A (en) * 1954-05-06 1955-11-22 Bell Telephone Labor Inc Remote line concentrator

Also Published As

Publication number Publication date
FR1184842A (fr) 1959-07-27
NL112427C ( )
US2892037A (en) 1959-06-23
GB843225A (en) 1960-08-04
NL220430A ( )
DE1073552B (de) 1960-01-21

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