FR3079972B1 - Dispositif de detection. - Google Patents

Dispositif de detection. Download PDF

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Publication number
FR3079972B1
FR3079972B1 FR1853063A FR1853063A FR3079972B1 FR 3079972 B1 FR3079972 B1 FR 3079972B1 FR 1853063 A FR1853063 A FR 1853063A FR 1853063 A FR1853063 A FR 1853063A FR 3079972 B1 FR3079972 B1 FR 3079972B1
Authority
FR
France
Prior art keywords
transmitting antenna
horizontal
electromagnetic field
detection device
detection area
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.)
Active
Application number
FR1853063A
Other languages
English (en)
Other versions
FR3079972A1 (fr
Inventor
Cyril Bros
Frederic Duchene
Emmanuel Gelinotte
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.)
ANGEL GROUP., LTD., JP
Original Assignee
Gaming Partners International
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 Gaming Partners International filed Critical Gaming Partners International
Priority to FR1853063A priority Critical patent/FR3079972B1/fr
Priority to PCT/FR2019/050801 priority patent/WO2019197758A2/fr
Publication of FR3079972A1 publication Critical patent/FR3079972A1/fr
Application granted granted Critical
Publication of FR3079972B1 publication Critical patent/FR3079972B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2216—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in interrogator/reader equipment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/378—Combination of fed elements with parasitic elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Dispositif de détection (D1) d'objets détectables (J) équipés de moyens d'identification électromagnétiquement détectables (ID) et disposés avantageusement en pile, déposés sur une zone de détection horizontale, le dispositif de détection (D1) comprenant une antenne émettrice (Ae1) ayant une fréquence de résonnance et générant un champ électromagnétique ayant une portée brute présentant une couverture horizontale couvrant la zone de détection horizontale et une composante verticale, caractérisé en ce qu'il comprend en outre une antenne passive (Ap1) ayant la même fréquence de résonnance que l'antenne émettrice (Ae1), de manière à être excitée par le champ électromagnétique de l'antenne émettrice (Ae1) pour générer un champ électromagnétique combiné ayant une portée combinée de forme désirée dont la composante verticale est plus grande que celle de la portée brute de l'antenne émettrice (Ae1), et avec une couverture horizontale couvrant sensiblement toujours de la même manière la zone de détection horizontale.
FR1853063A 2018-04-09 2018-04-09 Dispositif de detection. Active FR3079972B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1853063A FR3079972B1 (fr) 2018-04-09 2018-04-09 Dispositif de detection.
PCT/FR2019/050801 WO2019197758A2 (fr) 2018-04-09 2019-04-05 Dispositif de détection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853063A FR3079972B1 (fr) 2018-04-09 2018-04-09 Dispositif de detection.
FR1853063 2018-04-09

Publications (2)

Publication Number Publication Date
FR3079972A1 FR3079972A1 (fr) 2019-10-11
FR3079972B1 true FR3079972B1 (fr) 2020-04-17

Family

ID=62873486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853063A Active FR3079972B1 (fr) 2018-04-09 2018-04-09 Dispositif de detection.

Country Status (2)

Country Link
FR (1) FR3079972B1 (fr)
WO (1) WO2019197758A2 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854972B1 (fr) * 2003-05-12 2005-07-15 Bourgogne Grasset Poste de lecture et/ou d'ecriture pour jetons de jeu electroniques
CN101351727A (zh) * 2005-10-21 2009-01-21 乌比特拉克公司 用于游戏台面上筹码的识别和位置测量的方法和设备
WO2013125610A1 (fr) * 2012-02-24 2013-08-29 株式会社村田製作所 Dispositif d'antenne et dispositif de communication sans fil
US9306283B2 (en) * 2014-01-24 2016-04-05 Sony Corporation Antenna device and method for increasing loop antenna communication range

Also Published As

Publication number Publication date
WO2019197758A3 (fr) 2020-01-09
FR3079972A1 (fr) 2019-10-11
WO2019197758A2 (fr) 2019-10-17

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