FR2506544B1 - - Google Patents

Info

Publication number
FR2506544B1
FR2506544B1 FR8109919A FR8109919A FR2506544B1 FR 2506544 B1 FR2506544 B1 FR 2506544B1 FR 8109919 A FR8109919 A FR 8109919A FR 8109919 A FR8109919 A FR 8109919A FR 2506544 B1 FR2506544 B1 FR 2506544B1
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
FR8109919A
Other versions
FR2506544A1 (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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider 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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Priority to FR8109919A priority Critical patent/FR2506544A1/fr
Priority to CA000402024A priority patent/CA1189917A/fr
Priority to BR8202530A priority patent/BR8202530A/pt
Priority to AU83535/82A priority patent/AU553426B2/en
Priority to EP82400854A priority patent/EP0065904B1/fr
Priority to DE8282400854T priority patent/DE3265208D1/de
Priority to US06/377,803 priority patent/US4555791A/en
Priority to ZA823474A priority patent/ZA823474B/xx
Publication of FR2506544A1 publication Critical patent/FR2506544A1/fr
Application granted granted Critical
Publication of FR2506544B1 publication Critical patent/FR2506544B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/24—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits
    • B61L3/243—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits using alternating current

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8109919A 1981-05-19 1981-05-19 Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe Granted FR2506544A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR8109919A FR2506544A1 (fr) 1981-05-19 1981-05-19 Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe
CA000402024A CA1189917A (fr) 1981-05-19 1982-04-30 Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe
BR8202530A BR8202530A (pt) 1981-05-19 1982-05-03 Processo de determinacao na recepcao e em meio pertubado do estado de um sinal alternativo util total ou nulamente modulado circuito de recepcao e de determinacao
EP82400854A EP0065904B1 (fr) 1981-05-19 1982-05-10 Procédé de détermination de l'état d'un signal alternatif modulé en tout ou rien en milieu perturbé
AU83535/82A AU553426B2 (en) 1981-05-19 1982-05-10 Am detection
DE8282400854T DE3265208D1 (en) 1981-05-19 1982-05-10 State determination method of an on/off modulated alternating signal in a disturbed environment
US06/377,803 US4555791A (en) 1981-05-19 1982-05-13 Method and apparatus for determination of the state of an all-or-none modulated alternating signal in a perturbed environment
ZA823474A ZA823474B (en) 1981-05-19 1982-05-19 Process for the determination of the state of an on-off modulated alternating signal in a disturbed medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8109919A FR2506544A1 (fr) 1981-05-19 1981-05-19 Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe

Publications (2)

Publication Number Publication Date
FR2506544A1 FR2506544A1 (fr) 1982-11-26
FR2506544B1 true FR2506544B1 (fr) 1983-10-28

Family

ID=9258620

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8109919A Granted FR2506544A1 (fr) 1981-05-19 1981-05-19 Procede de determination de l'etat d'un signal alternatif module en tout ou rien en milieu perturbe

Country Status (8)

Country Link
US (1) US4555791A (fr)
EP (1) EP0065904B1 (fr)
AU (1) AU553426B2 (fr)
BR (1) BR8202530A (fr)
CA (1) CA1189917A (fr)
DE (1) DE3265208D1 (fr)
FR (1) FR2506544A1 (fr)
ZA (1) ZA823474B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214920A1 (de) * 1992-05-11 1993-11-18 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Sensorsignal-Aufbereitung
US20070257873A1 (en) * 2004-10-04 2007-11-08 Koninklijke Philips Electronics, N.V. Brightness control of a lighting unit of a matrix display device
BE1019445A3 (fr) * 2010-08-11 2012-07-03 Reza Yves Procede d'extraction d'information audio.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752325A (en) * 1928-11-15 1930-04-01 American Telephone & Telegraph Reduction of static interference in carrier systems
DE540850C (de) * 1930-01-03 1934-01-05 Telefunken Gmbh Verfahren zur gleichzeitigen UEbermittlung von Buchstaben- und Bildtelegraphie auf dem gleichen drahtlosen Verbindungswege
US2070418A (en) * 1933-05-19 1937-02-09 Rca Corp Multiplex cable code telegraphy with diversity reception
BE501695A (fr) * 1945-03-15
US2602852A (en) * 1947-05-23 1952-07-08 Motorola Inc Selective calling system
BE486300A (fr) * 1947-07-09
US3413608A (en) * 1964-06-12 1968-11-26 Warwick Electronics Inc Noise immune detector
US3571522A (en) * 1968-11-29 1971-03-16 Bell Telephone Labor Inc Tone detector
DE2444251A1 (de) * 1974-09-16 1976-03-25 Siemens Ag Gleisstromkreis, insbesondere fuer gleichstrombahnen mit chopper-gesteuerten triebfahrzeugen
FR2302640A1 (fr) * 1975-02-25 1976-09-24 Thomson Csf Systeme de transmission d'informations utilisant une modulation par deplacement de frequence

Also Published As

Publication number Publication date
ZA823474B (en) 1983-03-30
AU553426B2 (en) 1986-07-17
US4555791A (en) 1985-11-26
EP0065904B1 (fr) 1985-08-07
CA1189917A (fr) 1985-07-02
EP0065904A1 (fr) 1982-12-01
FR2506544A1 (fr) 1982-11-26
AU8353582A (en) 1982-11-25
DE3265208D1 (en) 1985-09-12
BR8202530A (pt) 1983-04-19

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Legal Events

Date Code Title Description
ST Notification of lapse