Continental Automotive France

Continental Automotive Gmbh

Valeo Securite Habitacle

Xavier Hourne

Olivier Elie

Maxime Cordier

Cyril Robin

Olivier Gerardiere

Bertrand Vaysse

Alain Fontanet

Simon-Didier Venzal

Stephan Baudru

Monirat Ung

Julien Galaup

Frederic Cantie

Joel Carniaux

Karim Ben Dhia

Benoit Depont

A method for detecting presence close to a sensor installed in a motor vehicle, the method including: a plurality of steps of conversion, at a plurality of different values of the reference voltage, of an analog voltage signal into a plurality of different coded digital values; correlating the coded digital values in order to obtain a correlation value; comparing the obtained correlation value with a predetermined reference value; detecting human presence close to the sensor when the difference between the obtained correlation value and the predetermined reference value is greater than a predetermined detection threshold.

Method and device for presence detection for a motor vehicle

Disclosed is an assembly formed by a drive shaft for a vehicle and a sensor for measuring the value of a torque applied to the shaft, the sensor including a unit for generating a magnetic field and an arrangement formed by a first coil, a second coil, a third coil and a fourth coil arranged side-by-side between a first toothed wheel of the shaft and a second toothed wheel of the shaft, parallel to the first toothed wheel and to the second toothed wheel, arranged to be immersed in the magnetic field, the overall length of the first coil, of the second coil, of the third coil and of the fourth coil being equal to the period of the first toothed wheel and of the second toothed wheel.

Sensor for measuring the torque of a drive shaft

A device (D') for detecting presence of a user includes: a connection to the electrical ground (), an electrode (), control elements (&#x2032;) of the electrode, a conducting element (), connected to the connection () to the electrical ground, a first switching element (I) between the conducting element and the connection to the electrical ground, first element () for selecting the position of the first switching element, in order to select the position of the first switching element as a function of the type of coating covering a second exterior surface of a handle into which the device is integrated. The door handle including the device and the associated method for configuring the handle are also described.

Device for detecting the presence of a user, door handle comprising said device and method for configuring the associated handle

An assembly includes at least a first motor () and a second motor () on which first targets () and second targets () being respectively mounted, the first targets () and the second targets () are respectively distributed angularly over the first motor () and over the second motor (), each first target () having a first angular aperture, each second target () having a second angular aperture, the assembly furthermore having an angular position sensor () positioned between the motors () and adapted to measure the angular position of the targets ().

Assembly comprising at least a first motor, a second motor and an angular position sensor

A device for measuring a variation (&#x394;C) of a capacitance (C), includes:

Low consumption device for measuring a variation of a capacitance and associated method

To eliminate measurement errors, such as 'offset voltages' in sensors of the inductive type by modifying the architecture of the assembly of elements used for signal processing, the architecture of the apparatuses processing the signal from the secondary windings is modified as follows:

Position-detecting unit having reduced offset voltage, and method using such a unit

A method and device for measuring a variation of a capacitance, the device includes: a capacitance having a voltage across its terminals; a charging element and a discharging element; a comparison element; control elements activating the charging element or the discharging element as a function of the value of the voltage across the terminals of the capacitance and of which an output voltage has a high value during the charging and a low value during the discharging; a counter measuring a time representative of a predetermined number of charging and discharging cycles of the capacitance; and an additional capacitance electrically connected to the output voltage and to the capacitance, able to be charged and discharged simultaneously with the charging and discharging of the capacitance.

Device for measuring the variation of a capacitance and associated measuring method

A device (D') for detecting the presence of a user includes: an electrode (&#x2032;), electrode control elements (), and a low frequency antenna (). The electrode (&#x2032;) is formed by a plurality of structural units (M. . . M), each structural unit (M. . . M) including: a conductive segment (A . . . I) defined by dimensions (Lx, lx, e) and electrically connected at least to a conductive connection (C) defined by a position of connection with respect to the conductive segment (A . . . I). The structural units (M. . . M) are electrically interconnected by the conductive connections (C). At least two consecutive structural units (M. . . M) differ by: the dimensions (Lx, lx, e) of the conductive segment (A . . . I) and/or the position of the conductive connection (C).

Device for detecting the presence of a user, and vehicle door handle comprising said device

A device for communication between a microcontroller () of an electronic module () and a microcontroller () of a sensor (), the sensor being supplied with current by the electronic module () via a power supply line (W), and:

Device for communication between an electronic module and a sensor

Method for communication between an electronic module and a sensor having a first branch, including a light source LED and a first switch, and a second branch including a second switch, supplied by a supply line, the module measuring modulations of intensity of current of the line. When the light source is turned on or in the process of turning on/turning off, the sensor causes i) modulation of the intensity of the current in the LED between a high state and a low state, ii) modulation of the intensity of the current in the second branch so that the intensity of the current is always in a higher state, and, in case of detection, iii) dispatches to the electronic module a modulation of the intensity of current in the second branch, when the intensity of current in the LED is in the low state.

Device and method for communication between an electronic module and a detection sensor comprising a light source

Method for determining spurious contacts on a contact detection sensor for a handle of an automobile door, the sensor defining a locking area and being connected to an onboard electronic locking and unlocking system, includes:

Method for determining spurious contacts on a contact detection sensor for a door handle of an automobile vehicle

A device for detecting the presence of a user for the unlocking of an access point to a motor vehicle, includes a first generator of a first supply voltage, a detection capacitor adapted to be charged on account of the presence of a user, and a storage capacitor defining at the terminals thereof a storage voltage. The device also includes an intermediate capacitor, elements for charging the detection capacitor from the first supply voltage and the storage voltage, elements for discharging the detection capacitor into the intermediate capacitor, elements for charging the storage capacitor, the elements being configured so that the charge of the storage capacitor is equal to the charge of the intermediate capacitor, and elements for detecting the presence of a user for the unlocking of an access point to the motor vehicle on the basis of the charge of the storage capacitor.

Device, sensor and method for detecting the presence of a user for the opening of an access point to a motor vehicle

A device for measuring a variation in the capacitance of a variable capacitive structure, includes:

Device for measuring a variation in the capacitance of a variable capacitive structure

A device for detecting a variation in the capacitance of a variable capacitive structure, wherein the device generates voltage pulses, charges the variable capacitive structure using the voltage pulses, discharges the variable capacitive structure toward a reference capacitor, detects a voltage threshold across the terminals of the reference capacitor, determines a number of charges and/or discharges of the variable capacitive structure corresponding to the voltage threshold, and detects a variation in the number of charges and/or discharges with respect to a number of charges and/or discharges previously obtained.

Device for detecting a capacitance variation and capacitive sensor for detecting the presence of a user using such a device

A method and device for filtering electromagnetic interference generated by the antenna of a transmitter on a sensor sensitive to electromagnetic waves, characterized in that it includes:

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Cugnaux, France

Xavier Hourne