FR2505110B1 - - Google Patents

Info

Publication number
FR2505110B1
FR2505110B1 FR8108680A FR8108680A FR2505110B1 FR 2505110 B1 FR2505110 B1 FR 2505110B1 FR 8108680 A FR8108680 A FR 8108680A FR 8108680 A FR8108680 A FR 8108680A FR 2505110 B1 FR2505110 B1 FR 2505110B1
Authority
FR
France
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
FR8108680A
Other languages
French (fr)
Other versions
FR2505110A1 (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.)
SOFTWARE BASED SYSTEMS
Original Assignee
SOFTWARE BASED SYSTEMS
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 SOFTWARE BASED SYSTEMS filed Critical SOFTWARE BASED SYSTEMS
Priority to FR8108680A priority Critical patent/FR2505110A1/fr
Publication of FR2505110A1 publication Critical patent/FR2505110A1/fr
Application granted granted Critical
Publication of FR2505110B1 publication Critical patent/FR2505110B1/fr
Granted 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
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/12—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC
    • G08C19/14—Electric signal transmission systems in which the signal transmitted is frequency or phase of AC using combination of fixed frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
FR8108680A 1981-04-30 1981-04-30 Redundant digital information transmission system - uses six frequency pulses in coded sequence to be received within time windows in order to reduce possibility of noise interference Granted FR2505110A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8108680A FR2505110A1 (en) 1981-04-30 1981-04-30 Redundant digital information transmission system - uses six frequency pulses in coded sequence to be received within time windows in order to reduce possibility of noise interference

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8108680A FR2505110A1 (en) 1981-04-30 1981-04-30 Redundant digital information transmission system - uses six frequency pulses in coded sequence to be received within time windows in order to reduce possibility of noise interference

Publications (2)

Publication Number Publication Date
FR2505110A1 FR2505110A1 (en) 1982-11-05
FR2505110B1 true FR2505110B1 (enrdf_load_stackoverflow) 1983-07-08

Family

ID=9257968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8108680A Granted FR2505110A1 (en) 1981-04-30 1981-04-30 Redundant digital information transmission system - uses six frequency pulses in coded sequence to be received within time windows in order to reduce possibility of noise interference

Country Status (1)

Country Link
FR (1) FR2505110A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE67636T1 (de) * 1987-02-05 1991-10-15 Alcatel Bell Sdt Sa Verfahren zur uebertragungsfehler-erkennung und - korrektur.
FR2759224B1 (fr) * 1997-02-06 1999-04-30 Info Telecom Procedes de transmission et de decodage acoustiques d'un message numerique et dispositifs correspondants

Also Published As

Publication number Publication date
FR2505110A1 (en) 1982-11-05

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)
ST Notification of lapse