FR409090A - Système de télégraphie et appareils propres à sa mise en pratique - Google Patents

Système de télégraphie et appareils propres à sa mise en pratique

Info

Publication number
FR409090A
FR409090A FR409090A FR409090DA FR409090A FR 409090 A FR409090 A FR 409090A FR 409090 A FR409090 A FR 409090A FR 409090D A FR409090D A FR 409090DA FR 409090 A FR409090 A FR 409090A
Authority
FR
France
Prior art keywords
implementation
apparatus suitable
telegraph system
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
FR409090A
Other languages
English (en)
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.)
ROWLAND TELEGRAPHIC Co
Original Assignee
ROWLAND TELEGRAPHIC Co
Filing date
Publication date
Application filed by ROWLAND TELEGRAPHIC Co filed Critical ROWLAND TELEGRAPHIC Co
Application granted granted Critical
Publication of FR409090A publication Critical patent/FR409090A/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
    • H04L25/493—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 by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
    • 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
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR409090A 1909-07-12 Système de télégraphie et appareils propres à sa mise en pratique Expired FR409090A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE251111T

Publications (1)

Publication Number Publication Date
FR409090A true FR409090A (fr) 1910-04-12

Family

ID=5941341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR409090A Expired FR409090A (fr) 1909-07-12 Système de télégraphie et appareils propres à sa mise en pratique

Country Status (2)

Country Link
DE (1) DE251111C (cs)
FR (1) FR409090A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113611178A (zh) * 2021-08-16 2021-11-05 常州国光数据通信有限公司 一种无线报务训练方法及其训练系统

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2046082A (en) * 1935-02-27 1936-06-30 Ibm Manual and record controlled machine
DE872523C (de) * 1939-12-13 1953-04-02 Siemens Ag Verfahren zur Aussendung telegrafischer Nachrichten durch Herstellung von Speicherstreifen und Aussendung des gespeicherten Textes
US2359617A (en) * 1941-11-29 1944-10-03 Ibm Magnetic recording apparatus
DE952720C (de) * 1952-12-24 1956-11-22 Siemens Ag Verfahren und Einrichtung zum Perforieren des Blattes eines Blattschreibers in Telegrafenanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113611178A (zh) * 2021-08-16 2021-11-05 常州国光数据通信有限公司 一种无线报务训练方法及其训练系统

Also Published As

Publication number Publication date
DE251111C (cs)

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