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1. WO2020089094 - PRESENCE DETECTION SENSOR FOR A MOTOR VEHICLE

Publication Number WO/2020/089094
Publication Date 07.05.2020
International Application No. PCT/EP2019/079220
International Filing Date 25.10.2019
IPC
H03K 17/945 2006.01
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
KPULSE TECHNIQUE
17Electronic switching or gating, i.e. not by contact-making and -breaking
94characterised by the way in which the control signals are generated
945Proximity switches
CPC
E05B 81/76
EFIXED CONSTRUCTIONS
05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
81Power-actuated vehicle locks
54Electrical circuits
64Monitoring or sensing, e.g. by using switches or sensors
76Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
H03K 17/945
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
KPULSE TECHNIQUE
17Electronic switching or gating, i.e. not by contact-making and –breaking
94characterised by the way in which the control signals are generated
945Proximity switches
Applicants
  • CONTINENTAL AUTOMOTIVE FRANCE [FR]/[FR]
  • CONTINENTAL AUTOMOTIVE GMBH [DE]/[DE]
Inventors
  • HOURNÉ, Xavier
Agents
  • MAJEWSKI, Marc
Priority Data
186003430.10.2018FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) PRESENCE DETECTION SENSOR FOR A MOTOR VEHICLE
(FR) CAPTEUR DE DÉTECTION DE PRÉSENCE POUR VÉHICULE AUTOMOBILE
Abstract
(EN)
The present invention relates to a sensor (1) for detecting the presence of a user device by near-field communication for a motor vehicle, the sensor (1) comprising an antenna (50), an impedance adapter (40), an antenna control module (20), and a microcontroller (50) configured to control the control module (20), the impedance adapter (40) being capable of adapting the output impedance of the control module (20) to the impedance of the antenna (50) while amplifying the power supplied by the control module (20). The sensor (1) comprises a resistive module (30) which is mounted between the control module (20) and the impedance adapter (40) and configured to stabilise the the value of the input power of the impedance adapter (40).
(FR)
La présente invention a pour objet un capteur (1) de détection de la présence d'un équipement d'utilisateur par communication en champ proche pour véhicule automobile, ledit capteur (1) comprenant une antenne (50), un adaptateur (40) d'impédance, un module de pilotage (20) de l'antenne (50), et un microcontrôleur (50), configuré pour commander ledit module de pilotage (20), ledit adaptateur (40) d'impédance étant apte à adapter l'impédance de sortie du module de pilotage (20) à l'impédance de l'antenne (50) tout en amplifiant la puissance fournie par ledit module de pilotage (20). Le capteur (1) comprend un module résistif (30), monté entre le module de pilotage (20) et l'adaptateur (40) d'impédance, configurée pour stabiliser la valeur de la puissance d'entrée de l'adaptateur (40) d'impédance.
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