FR1395838A - Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques - Google Patents

Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques

Info

Publication number
FR1395838A
FR1395838A FR966019A FR966019A FR1395838A FR 1395838 A FR1395838 A FR 1395838A FR 966019 A FR966019 A FR 966019A FR 966019 A FR966019 A FR 966019A FR 1395838 A FR1395838 A FR 1395838A
Authority
FR
France
Prior art keywords
objects
detecting
electromagnetic radiation
electromagnetic
radiation
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
FR966019A
Other languages
English (en)
Inventor
Jean-Claude Preti
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.)
Societe de Fabrication dInstruments de Mesure SFIM SA
Original Assignee
Societe de Fabrication dInstruments de Mesure SFIM 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 Societe de Fabrication dInstruments de Mesure SFIM SA filed Critical Societe de Fabrication dInstruments de Mesure SFIM SA
Priority to FR966019A priority Critical patent/FR1395838A/fr
Priority to BE653798A priority patent/BE653798A/xx
Priority to US403261A priority patent/US3289202A/en
Application granted granted Critical
Publication of FR1395838A publication Critical patent/FR1395838A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/48—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 wave or particle radiation means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR966019A 1964-03-04 1964-03-04 Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques Expired FR1395838A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR966019A FR1395838A (fr) 1964-03-04 1964-03-04 Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques
BE653798A BE653798A (fr) 1964-03-04 1964-09-30
US403261A US3289202A (en) 1964-03-04 1964-10-12 Apparatus for detecting the presence of objects by electromagnetic radiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR966019A FR1395838A (fr) 1964-03-04 1964-03-04 Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques

Publications (1)

Publication Number Publication Date
FR1395838A true FR1395838A (fr) 1965-04-16

Family

ID=8824627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966019A Expired FR1395838A (fr) 1964-03-04 1964-03-04 Dispositif de détection de la présence d'objets par rayonnements électro-magnétiques

Country Status (3)

Country Link
US (1) US3289202A (fr)
BE (1) BE653798A (fr)
FR (1) FR1395838A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138109A1 (fr) * 1971-05-19 1972-12-29 Westinghouse Electric Corp
EP0018817A1 (fr) * 1979-04-30 1980-11-12 Peter Gilbert Lale Méthode et appareillage pour mesurer une vitesse d'égouttement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836960A (en) * 1970-03-12 1974-09-17 Gen Dynamics Corp Sensor system
DE3377120D1 (en) * 1983-07-01 1988-07-28 Ant Nachrichtentech Axle counting arrangement for railway vehicles
US4707652A (en) * 1983-11-30 1987-11-17 Philip Morris Incorporated Impurity detector measuring parallel polarized scattered electromagnetic radiation
US6859164B2 (en) * 2002-03-01 2005-02-22 Hitachi, Ltd. Detecting system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316751A (en) * 1943-04-20 Landing indicator
US2297534A (en) * 1941-08-13 1942-09-29 Olson Bros Machine Tool And Sa Distance measuring device
US3045233A (en) * 1949-12-30 1962-07-17 Itt Frequency modulation radio altimeter
FR1324363A (fr) * 1962-02-26 1963-04-19 Merlin Gerin Dispositif pour déterminer la position relative de deux objets
US3163861A (en) * 1962-05-02 1964-12-29 Suter Henry Electromagnetic field disturbance intruder detection apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138109A1 (fr) * 1971-05-19 1972-12-29 Westinghouse Electric Corp
EP0018817A1 (fr) * 1979-04-30 1980-11-12 Peter Gilbert Lale Méthode et appareillage pour mesurer une vitesse d'égouttement

Also Published As

Publication number Publication date
BE653798A (fr) 1965-01-18
US3289202A (en) 1966-11-29

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