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FR2417751A1 - Transmetteur-recepteur a induction pour capteur de mesure - Google Patents

Transmetteur-recepteur a induction pour capteur de mesure

Info

Publication number
FR2417751A1
FR2417751A1 FR7805262A FR7805262A FR2417751A1 FR 2417751 A1 FR2417751 A1 FR 2417751A1 FR 7805262 A FR7805262 A FR 7805262A FR 7805262 A FR7805262 A FR 7805262A FR 2417751 A1 FR2417751 A1 FR 2417751A1
Authority
FR
France
Prior art keywords
magnetic core
internal surface
tube
receiver coil
sensor coupled
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.)
Granted
Application number
FR7805262A
Other languages
English (en)
Other versions
FR2417751B1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7805262A priority Critical patent/FR2417751A1/fr
Publication of FR2417751A1 publication Critical patent/FR2417751A1/fr
Application granted granted Critical
Publication of FR2417751B1 publication Critical patent/FR2417751B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/246—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains by varying the duration of individual pulses
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/04—Arrangements for transmitting signals characterised by the use of a wireless electrical link using magnetically coupled devices
    • 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
    • G08C19/22—Electric signal transmission systems in which transmission is by pulses by varying the duration of individual pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

Le système permet une transmission à basse fréquence par induction magnétique à travers une paroi en maténau magnétique. Il comprend, d'un côté de la paroi, une première bobine d'induction autour d'un premier noyau magnétique et, de l'autre côté de la paroi, une seconde bobine d'induction autour d'un second noyau magnétique, les première et seconde bobines sont alignées et proches de la paroi. Une borne de la première bobine est à la masse et l'autre reliée par un condensateur à la sortie d'un modulateur qui délivre des impulsions modulées en largeur par le signal d'information à transmettre. La seconde bobine a une borne à la masse et l'autre reliée à l'entrée d'un démodulateur. Les alimentations et les masses respectives des circuits d'émission (modulation) et de réception (demodulateur) étant indépendants et isolées. Utilisable pour le contrôle de parois de tubes, notamment de guides d'ondes circulaires.
FR7805262A 1978-02-17 1978-02-17 Transmetteur-recepteur a induction pour capteur de mesure Granted FR2417751A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7805262A FR2417751A1 (fr) 1978-02-17 1978-02-17 Transmetteur-recepteur a induction pour capteur de mesure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805262A FR2417751A1 (fr) 1978-02-17 1978-02-17 Transmetteur-recepteur a induction pour capteur de mesure

Publications (2)

Publication Number Publication Date
FR2417751A1 true FR2417751A1 (fr) 1979-09-14
FR2417751B1 FR2417751B1 (fr) 1982-04-23

Family

ID=9204968

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805262A Granted FR2417751A1 (fr) 1978-02-17 1978-02-17 Transmetteur-recepteur a induction pour capteur de mesure

Country Status (1)

Country Link
FR (1) FR2417751A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011991A1 (fr) * 1978-11-23 1980-06-11 E. Allman & Company Limited Perfectionnements relatifs à des dispositifs de commande à distance
EP0452483A1 (fr) * 1989-11-09 1991-10-23 The Johns Hopkins University Moniteur de hautes temperatures a couplage inductif

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317876A (fr) * 1963-05-08
DE1541174A1 (de) * 1966-09-16 1970-01-08 Toennies Dr Ing Jan Friedrich Verfahren zur UEbertragung elektrobiologischer Daten
US3609728A (en) * 1969-01-21 1971-09-28 Ball Corp Portable remote location measuring system utilizing pulse width modulation
US3719935A (en) * 1969-10-22 1973-03-06 Sun Oil Co Telemetering system for rotating body

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317876A (fr) * 1963-05-08
DE1541174A1 (de) * 1966-09-16 1970-01-08 Toennies Dr Ing Jan Friedrich Verfahren zur UEbertragung elektrobiologischer Daten
US3609728A (en) * 1969-01-21 1971-09-28 Ball Corp Portable remote location measuring system utilizing pulse width modulation
US3719935A (en) * 1969-10-22 1973-03-06 Sun Oil Co Telemetering system for rotating body

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011991A1 (fr) * 1978-11-23 1980-06-11 E. Allman & Company Limited Perfectionnements relatifs à des dispositifs de commande à distance
EP0452483A1 (fr) * 1989-11-09 1991-10-23 The Johns Hopkins University Moniteur de hautes temperatures a couplage inductif
EP0452483A4 (en) * 1989-11-09 1992-07-29 The Johns Hopkins University Inductive coupled high temperature monitor

Also Published As

Publication number Publication date
FR2417751B1 (fr) 1982-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse