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Electronic communication module for locking/unlocking a removable panel of a motor vehicle, associated control central processing unit and hands-free access system

A technology of central processing unit and communication module, applied in the direction of a single input port/output port register, instrument, time register, etc., can solve the problems of reducing the number of wires and not raising it

Active Publication Date: 2017-10-03
VALEO SECURITE HABITACLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] But so far, no proposal has been made to reduce the number of wires when the electronic communication module incorporates a manually operated push button switch instead of two capacitive sensors

Method used

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  • Electronic communication module for locking/unlocking a removable panel of a motor vehicle, associated control central processing unit and hands-free access system
  • Electronic communication module for locking/unlocking a removable panel of a motor vehicle, associated control central processing unit and hands-free access system
  • Electronic communication module for locking/unlocking a removable panel of a motor vehicle, associated control central processing unit and hands-free access system

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Experimental program
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Embodiment Construction

[0033] With reference to all the figures, the hands-free access system 1 according to the invention comprises an electronic communication module 2 adapted to send a low frequency interrogation signal to a badge or a portable identifier (not shown); and a central processing unit 3, the central processing The unit 3 is adapted to control the electronic control module 2 . The system also includes an electrical connection wiring with two electrical wires 4 , 5 electrically connecting the control central processing unit 3 to the electronic communication module 2 .

[0034] In the three figures, the electronic control module 2 is used for locking / unlocking at least one movable panel of the motor vehicle, and for this purpose usually includes a resonant circuit, which is adjusted to the tuning frequency and includes a surrounding iron core (here by induction The series connection of resistor L and resistor R1 shows) a wound transmit coil 20 connected in series with a tuning capacitor...

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Abstract

The invention relates to an electronic communication module (2) for locking / unlocking at least one movable panel of a motor vehicle, comprising a resonant circuit, adjusted to the tuning frequency, and comprising a transmission winding (20) connected in series with a tuning capacitor (21) , said resonant circuit (20, 21) capable of sending a low frequency interrogation signal to a portable badge or identifier at said tuned frequency; and a manually actuated trigger device (22), the actuation of which triggers said interrogation signal send. According to the invention, the triggering member is a push button switch (22) connected in series with at least one resistor (23) to form an electric dipole (24), and said electric dipole (24) is connected with a resonant circuit (20, 21) All or part of them are electrically connected in parallel. The invention also relates to a central processing unit (3) for controlling said modules via two electrical connecting wires (4, 5) and to an associated hands-free access system.

Description

technical field [0001] The invention relates to an electronic communication module for locking / unlocking at least one movable panel of a motor vehicle and a control central processing unit of a hands-free access system for controlling such an electronic communication module. The invention also relates to a hands-free access system comprising such an electronic communication module and its associated control central processing unit. Background technique [0002] Motor vehicle hands-free access systems are designed so that users implementing an identification device (badge or other portable identifier) ​​can unlock and / or lock their vehicle without having to manipulate a key or remote control. In such an access system, part of the system on the vehicle comprises communication means adapted to communicate with the identification means by exchanging electromagnetic signals in order to authenticate prior to the actual request to unlock / lock at least one movable panel of the vehic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07C9/00
CPCG07C9/00309G07C2009/00373G07C2209/65G07C9/28
Inventor E.勒康特
Owner VALEO SECURITE HABITACLE