FR75923E - Improvements in code transmission methods - Google Patents

Improvements in code transmission methods

Info

Publication number
FR75923E
FR75923E FR797992A FR797992A FR75923E FR 75923 E FR75923 E FR 75923E FR 797992 A FR797992 A FR 797992A FR 797992 A FR797992 A FR 797992A FR 75923 E FR75923 E FR 75923E
Authority
FR
France
Prior art keywords
transmission methods
code transmission
code
methods
transmission
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
FR797992A
Other languages
French (fr)
Inventor
Anatole Girinsky
Pierre Charles Augustin Bacot
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR797992A priority Critical patent/FR75923E/en
Priority to US31980A priority patent/US3051786A/en
Priority to BE591981A priority patent/BE591981R/en
Priority to CH695960A priority patent/CH387712A/en
Priority claimed from FR831767A external-priority patent/FR1270087A/en
Priority claimed from FR844071A external-priority patent/FR78870E/en
Application granted granted Critical
Publication of FR75923E publication Critical patent/FR75923E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2021—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained
    • H04L27/2025—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes in a piecewise linear manner within each symbol period
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code
    • 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
    • H04L25/4904—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 using self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
FR797992A 1957-07-19 1959-06-19 Improvements in code transmission methods Expired FR75923E (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR797992A FR75923E (en) 1957-07-19 1959-06-19 Improvements in code transmission methods
US31980A US3051786A (en) 1959-06-19 1960-05-26 Frequency modulation system
BE591981A BE591981R (en) 1959-06-19 1960-06-17 Improvements in code transmission methods.
CH695960A CH387712A (en) 1959-06-19 1960-06-17 Pulse code frequency modulation system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR892552X 1957-07-19
FR797992A FR75923E (en) 1957-07-19 1959-06-19 Improvements in code transmission methods
FR831767A FR1270087A (en) 1960-07-01 1960-07-01 Improvements in code transmission methods
FR844071A FR78870E (en) 1957-07-19 1960-11-16 Improvements in code transmission methods

Publications (1)

Publication Number Publication Date
FR75923E true FR75923E (en) 1961-08-25

Family

ID=31982455

Family Applications (1)

Application Number Title Priority Date Filing Date
FR797992A Expired FR75923E (en) 1957-07-19 1959-06-19 Improvements in code transmission methods

Country Status (1)

Country Link
FR (1) FR75923E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642311A (en) * 1948-12-03 1953-06-16 Walter O Beyer Mobile pipe line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642311A (en) * 1948-12-03 1953-06-16 Walter O Beyer Mobile pipe line

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