FR503988A - Système de télégraphe synchrone - Google Patents

Système de télégraphe synchrone

Info

Publication number
FR503988A
FR503988A FR503988A FR503988DA FR503988A FR 503988 A FR503988 A FR 503988A FR 503988 A FR503988 A FR 503988A FR 503988D A FR503988D A FR 503988DA FR 503988 A FR503988 A FR 503988A
Authority
FR
France
Prior art keywords
telegraph system
synchronous telegraph
synchronous
telegraph
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
FR503988A
Other languages
English (en)
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.)
Western Union Telegraph Co
Original Assignee
Western Union Telegraph Co
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 Union Telegraph Co filed Critical Western Union Telegraph Co
Application granted granted Critical
Publication of FR503988A publication Critical patent/FR503988A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
FR503988A 1919-08-08 1919-09-18 Système de télégraphe synchrone Expired FR503988A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US316180A US1447748A (en) 1919-08-08 1919-08-08 Method of and apparatus for operating synchronous telegraph systems

Publications (1)

Publication Number Publication Date
FR503988A true FR503988A (fr) 1920-06-22

Family

ID=23227866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR503988A Expired FR503988A (fr) 1919-08-08 1919-09-18 Système de télégraphe synchrone

Country Status (3)

Country Link
US (1) US1447748A (fr)
FR (1) FR503988A (fr)
GB (1) GB154726A (fr)

Also Published As

Publication number Publication date
GB154726A (en) 1920-12-08
US1447748A (en) 1923-03-06

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