WO2004001681A8 - Dispositif d'emission radioelectrique ayant une unite de gestion centralisee et une pluralite d'antennes d'emission distantes - Google Patents

Dispositif d'emission radioelectrique ayant une unite de gestion centralisee et une pluralite d'antennes d'emission distantes

Info

Publication number
WO2004001681A8
WO2004001681A8 PCT/FR2003/001905 FR0301905W WO2004001681A8 WO 2004001681 A8 WO2004001681 A8 WO 2004001681A8 FR 0301905 W FR0301905 W FR 0301905W WO 2004001681 A8 WO2004001681 A8 WO 2004001681A8
Authority
WO
WIPO (PCT)
Prior art keywords
antennae
management unit
centralized management
transmission device
radio transmission
Prior art date
Application number
PCT/FR2003/001905
Other languages
English (en)
Other versions
WO2004001681A1 (fr
Inventor
Philippe Bettan
Vincent Portet
Original Assignee
Johnson Controls Tech Co
Philippe Bettan
Vincent Portet
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 Johnson Controls Tech Co, Philippe Bettan, Vincent Portet filed Critical Johnson Controls Tech Co
Priority to AU2003258820A priority Critical patent/AU2003258820A1/en
Publication of WO2004001681A1 publication Critical patent/WO2004001681A1/fr
Publication of WO2004001681A8 publication Critical patent/WO2004001681A8/fr

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Un dispositif d'émission radioélectrique à basse fréquence pour système d'accès mains libre dans un véhicule automobile, comprend une unité de gestion centralisée (CU) et un nombre déterminé N d'antennes d'émission distantes (EA1-EAn), où N est un nombre entier supérieur à l'unité. L'unité de gestion comprend un circuit d'attaque (GEN) générant un signal (SC) d'excitation des antennes, qui est délivré à une première borne de chacune des N antennes. Le signal d'excitation des antennes est un signal sinusoïdal ou quasi-sinusoïdal. L'unité de gestion comprend en outre des moyens de commutation (DEMUX) comprenant N interrupteurs (SW1-SWn) respectivement associés à chacune des antennes, qui sont disposés entre une seconde borne de l'antenne et un potentiel de référence. Chacun des interrupteurs est commandé par l'unité de gestion pour activer ou désactiver l'antenne associée.
PCT/FR2003/001905 2002-06-24 2003-06-20 Dispositif d'emission radioelectrique ayant une unite de gestion centralisee et une pluralite d'antennes d'emission distantes WO2004001681A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003258820A AU2003258820A1 (en) 2002-06-24 2003-06-20 Radio transmission device having a centralized management unit and a plurality of remote transmission antennae

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0207790A FR2841392B1 (fr) 2002-06-24 2002-06-24 Dispositif d'emission radioelectrique ayant une unite de gestion centralisee et une pluralite d'antennes d'emission distantes
FR02/07790 2002-06-24

Publications (2)

Publication Number Publication Date
WO2004001681A1 WO2004001681A1 (fr) 2003-12-31
WO2004001681A8 true WO2004001681A8 (fr) 2005-04-07

Family

ID=29719991

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2003/001905 WO2004001681A1 (fr) 2002-06-24 2003-06-20 Dispositif d'emission radioelectrique ayant une unite de gestion centralisee et une pluralite d'antennes d'emission distantes

Country Status (3)

Country Link
AU (1) AU2003258820A1 (fr)
FR (1) FR2841392B1 (fr)
WO (1) WO2004001681A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004097749A1 (fr) * 2003-04-25 2004-11-11 Conti Temic Microelectronic Gmbh Dispositif emetteur d'un systeme d'acces comportant un nombre d'antennes pour ondes longues
DE102004058613A1 (de) * 2004-12-04 2006-06-08 Conti Temic Microelectronic Gmbh Sendevorrichtung für mehrere zueinander parallele, unabhängig voneinander über je eine Zuleitung versorgbare Antenne
DE102005032379A1 (de) * 2005-07-08 2007-01-11 Conti Temic Microelectronic Gmbh Zugangskontrollsystem für ein Kraftfahrzeug
WO2007079711A1 (fr) * 2006-01-09 2007-07-19 Conti Temic Microelectronic Gmbh Système d’antennes, système de contrôle d’accès pour un véhicule automobile et procédé de diagnostic
JP2009021830A (ja) * 2007-07-12 2009-01-29 Omron Corp 送信装置
DE102008012882B4 (de) 2008-03-06 2020-07-23 Continental Automotive France Elektrische Schaltung für eine Zugangskontrolle und für eine Wegfahrsperre eines Fahrzeugs sowie Verfahren zum Messen eines Antennentreibers
FR3040551B1 (fr) 2015-08-28 2018-08-17 Continental Automotive France Procede de localisation ultra haute frequence d'un dispositif portable d'acces " main libre " a un vehicule automobile et dispositif de localisation associe
CN106327629B (zh) * 2016-08-12 2018-07-27 广西大学 一种通过音频通道传输密码控制开闭锁的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898010A (en) * 1987-10-28 1990-02-06 Nissan Motor Company, Limited Keyless entry system for automotive vehicles
US5367310A (en) * 1991-10-11 1994-11-22 Southwest Research Institute Fiber optic antenna radiation efficiency tuner
DE19957557A1 (de) * 1999-11-30 2001-06-07 Siemens Ag Identifikationssystem, insbesondere für ein Kraftfahrzeug, und Verfahren zum Betreiben des Identifikationssystems
DE10004616B4 (de) * 2000-02-03 2008-06-19 Siemens Ag Schaltungsanordnung für eine Sende- und/oder Empfangseinrichtung
JP4350864B2 (ja) * 2000-03-01 2009-10-21 アルプス電気株式会社 キーレスエントリー装置
US6388631B1 (en) * 2001-03-19 2002-05-14 Hrl Laboratories Llc Reconfigurable interleaved phased array antenna

Also Published As

Publication number Publication date
AU2003258820A1 (en) 2004-01-06
FR2841392A1 (fr) 2003-12-26
WO2004001681A1 (fr) 2003-12-31
FR2841392B1 (fr) 2004-09-17

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