BE474273A - - Google Patents

Info

Publication number
BE474273A
BE474273A BE474273DA BE474273A BE 474273 A BE474273 A BE 474273A BE 474273D A BE474273D A BE 474273DA BE 474273 A BE474273 A BE 474273A
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 BE474273A publication Critical patent/BE474273A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter
    • H04L13/10—Distributors
    • H04L13/12—Non-mechanical distributors, e.g. relay distributors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/46—Transmitting circuits; Receiving circuits using tuning forks or vibrating reeds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
BE474273D 1946-09-06 BE474273A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1002317T 1946-09-06

Publications (1)

Publication Number Publication Date
BE474273A true BE474273A (zh)

Family

ID=9562049

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474273D BE474273A (zh) 1946-09-06

Country Status (4)

Country Link
BE (1) BE474273A (zh)
CH (1) CH272110A (zh)
FR (1) FR1002317A (zh)
LU (1) LU28524A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013327B (de) * 1953-11-30 1957-08-08 Josef Dirr Schaltungsanordnung zur UEbertragung von Kennzeichen ueber abgeriegelte Leitungen in Fernmelde-, insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
LU28524A1 (zh)
FR1002317A (fr) 1952-03-05
CH272110A (fr) 1950-11-30

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