Abstract: The invention relates to a method for transmitting information from a first identifying object (ID1) for a motor vehicle to a second identifying object (ID2), the said method comprising the steps of: activating a synchronization mode (MOD13 SYNC); opening a two-way communication session; and transmitting information from one identifying object (ID1) to another identifying object (ID2) according to a date associated with the information to be transmitted. Application: motor vehicle.

Abstract: The invention relates to a closing assisted electric lock for the opening of an automobile, that comprises: a bolt (5) including first (19) and second (20) notches, said bolt (5) interacting with a strike and being capable of rotating between an open position, a position closed at the first notch of the lock and a position closed at the second notch of the lock; a pivoting ratchet (13) capable of interacting with said bolt (5) for preventing the rotation thereof (5) into a closed position at the first and second notches of the lock; a bolt (5) driving lever for rotatingly driving the bolt (5) between the closed position at the first notch and the closed position at the second notch of the lock; characterised in that the driving lever (9) includes a protrusion (37) provided so that said bolt (5) is capable of pivoting the lever (9) when said bolt (5) rotates from the open position to the closed position at the second notch of the lock.

Abstract: The invention relates to a signal transmission/reception device (DER) which can cooperate with an antenna device (A) capable of emitting a magnetic field. The invention is characterised in that the device (DER) comprises the following elements for transmission, namely: a power stage (P) for sending a symmetrical square-wave voltage signal (U0) to the input of the antenna device (A) in order to supply same with a current that can be used to generate the emitted magnetic field; and a current measuring stage (C) for measuring the current circulating in the antenna device (A). The invention is suitable for motor vehicles.

Abstract: The present invention relates to an automatic system for locking the openable panels of a motor vehicle, comprising a control unit carried on board the vehicle and able to communicate with an identifier; communication means establishing a communication between the onboard control unit and the identifier, installed in the vehicle, a device fitted with simultaneously fed antennas, the magnetic field of two adjacent antennas combining into a positive resultant so as to define an active zone around the vehicle, characterized in that the antenna device comprises three antennas disposed on each face and includes at least one openable panel.

Abstract: The invention concerns a releasable lock (10), in particular for a motor vehicle locking system, comprising a fixed stator (14), an intermediate tubular sleeve (16) which is mounted rotating about its axis in the stator and which is axially fixed in the sleeve and which comprises springs (32) radially mobile under the action of a key designed to be axially introduced into the rotor, the rotor (12) and the intermediate sleeve (16) being locked in rotation relative to each other by the springs when the key is not compatible, a driving element (26) coupling the rotor (12) and a control lever (24), called flat latch, when the key is compatible and an indexer (28) which is axially mobile between a rest position and a releasing position, under the effect of a rotation of the socket (16) relative to the stator (14) resulting from the rotation of the rotor with a non-compatible key, to move axially the driving element towards a released position.

Abstract: A key including a retractable shaft mounted pivotably with respect to a case forming an operating head of the key, between a retracted position in which the shaft extends in a substantially longitudinal direction inside a housing of the case, and a deployed position in which the shaft extends outside the case. The shaft has a first end forming a heel by which the shaft is pivoted about a vertical pivot axis orthogonal to the axis of the shaft. The key includes a drive mechanism for driving the shaft toward one of the retracted position or the deployed operating position. The drive mechanism includes a resiliently deformable element, which exerts a resilient force to return the shaft toward the retracted or deployed position, according to the angular position of the shaft with respect to an intermediate position of the shaft between the deployed position and the retracted position.

Abstract: This anti-theft device includes a stator (12), a rotor (14) mounted to rotate in the stator (12) between a first extreme angular position known as the “off” position and at least one second angular position, and a member (22) for interrupting the return travel of the rotor (14) from the second position to the “off” position in a position known as the “non-return” position interpolated angularly between the second position and “off” position, the interrupting member (22) being electrically deactivatable. The anti-theft device further includes a mechanical member (32) for deactivating the interrupting member (22).

Abstract: The invention relates to a vehicle anti-theft device including an equipped case forming part of an assembly for locking the steering column of a vehicle. The inventive anti-theft device includes: a mechanism which is housed at least partially inside a case and which comprises at least a stator/rotor assembly and a cam (32), whereby the rotor can be externally actuated using a key; and a member for controlling the locking of the vehicle steering column, which can move in translation. The anti-theft device also includes two moulded shells each comprising cavities that can receive at least part of the above-mentioned mechanism, said shells being assembled to one another along a mating surface that extends essentially axially in relation to the axis of rotation of the rotor and the displacement axis of the locking control member.

Abstract: The invention relates to an anti-theft device for the steering column of a motor vehicle, comprising a locking device including: a sensor (4) located close to the input of the rotor (2) such that it can be biased by the key (3) once it has been introduced into the rotor (2), and a retractable retaining member which can move between a locked position in which it acts on the control finger (7) in order to prevent the longitudinal movement of the slide (6) in the direction of the cam (8) counter to elastic means and an unlocked position in which the slide is released and can move under the action of the elastic means. In addition, coupling means between the sensor (4) and the retaining member enable said retaining member to be moved into: the locked position when the rotor (2) is in the rest position and the key (3) is engaged therein, and the unlocked position when the rotor (2) is in the rest position and the key is removed therefrom.

Abstract: The invention relates to a locking cylinder with a longitudinal housing, said housing containing a control sensor for triggering an electrical switch for detection of introduction of a key into the cylinder, said sensor being slideably mounted parallel to the axis (A) of introduction of the key, the front end section of the sensor, which may be pushed by the key, cooperates with the housing means to form a ramp to cause a displacement of said front end section in a direction inclined with relation to the axis (A) between a lower idle position and an upper trigger position in which the housing (2) further contains a switch trigger means, in contact with the rear end of the sensor, said trigger means being only able to move parallel to the axis (A).

Abstract: The invention relates to a method for making a rotating lock (10) for the locking system of an automotive vehicle, that comprises at least first and second complementary parts (5, 6) that can be assembled in at least one overlap area (7) for defining a stator (12) inside which a rotor (11) can be rotated, characterised in that it comprises the following steps: a first step for assembling the two parts (5, 6) in order to position in said overlap area (7) at least one opening (32) formed in the first part of the stator (6) opposite the opening of a corresponding cavity (34) formed in the second part of the stator (5); a second crimping step during which a crimping punch (22) is introduced in each opening (32) for at least partially deforming the wall of the opening (32) in the direction of the corresponding cavity (34) in order to crimp the assembly of the two parts of the stator (5, 6).

Abstract: The invention relates to a method for detecting an identification object in an area (ZO) around an antenna device. The invention is characterised in that it comprises the following steps in which: a calibration signal (S_CAL) is emitted in the direction of the antenna device in order to determine a control power (PR); a functional signal (S_FONC) corresponding to the control power (PR) is emitted in the direction of the antenna device, such that the antenna device emits a pre-determined magnetic field; the magnetic field (Br) received by the identification object, corresponding to the emitted magnetic field, is measured and compared with a nominal magnetic field (B0); and, depending on the result of said comparison, it is determined if the identification object is located inside the area (ZO) around the antenna device. The invention is suitable for motor vehicles.

Abstract: A self-disengaging lock for a motor vehicle lock mechanism, including a fixed stator and a rotor which is rotatably mounted in the stator and which comprises pins which are radially mobile under the action of a key intended to be axially introduced into the rotor, where the rotor is coupled to a control device of the lock, in an angular alignment in the manner of a cardan joint, when the key is correct, and the rotor is decoupled from the control device in the disengaged position, where the rotor is coupled to the control device directly, the end of the control device having a coupling arrangement held by the stator and the end of the rotor having another complementary coupling arrangement, where the coupling of the rotor and the control device enables the angular displacement of the control device in order to ensure the angular alignment.

Abstract: A rotary output member that is a motor vehicle door catch and a rotary input member of a mechanism that is a motor vehicle door lock is disclosed. The arrangement includes a movement transmitting device that is inserted between the two rotary members, the transmission shaft of the two ends of which, together with the rotary output and input members, form articulated universal joints allowing some degree of axial misalignment. Each end of the shaft is ball shaped, collaborating with a complementary rotary member part. The ball at the door catch end of the transmission shaft is a faceted ball, the number of facets of which is defined according to the angle between the door catch and the door lock.

Abstract: The invention relates to a key housing with an emergency key, having a key head forming a grip part joined to an insert for insertion in an emergency lock in a vehicle when applied and an insert housing with a longitudinal form, for housing the insert when the emergency key is not in use. The emergency key can be separated from the housing if the emergency key is to be used. The key head is fixed to the insert by of a joint.

Abstract: A system for the detection of at least an open state of an opening of a motor vehicle and two other states of a lock of said opening, called a first state and a second state, includes two switching devices associated with the opening and the lock. One of the two switching devices includes a first contact breaker with a normally open or normally closed position detecting at least the open state of the opening. The two switching devices are connected to a ground cable. The first contact breaker detects the first state and is connected to a first information cable. The other of the two switching devices includes a second contact breaker with a position normally open or normally closed detecting two states and is connected to a second information cable. Of the two states, one is common with the state detected by the first contact breaker. The first and second information cables are connected to analytical means.

Abstract: The disclosure relates to a method of communication between a control device and an operator device, including the generation of a control signal and transmission of the control signal, where the control signal is generated in the form of a symmetric signal and is then filtered by the transmission system.

Abstract: The lock includes an opening lever and a locking lever capable of displacing a connecting rod between a first position, in which the opening lever can cooperate with the connecting rod to cause the opening of the lock, and a second position which prevents the opening of the lock, blocking means for preventing a displacement of the rod between the first and second positions when the opening lever is put into an opening position before the locking lever is actuated, and an elastic device capable of memorizing both an unlocking action and a locking action when the locking lever is actuated while the connecting rod is being blocked by storing an unlocking energy or a locking energy in response to the actuation of the locking lever to automatically cause an unlocking or a locking of the lock when the opening lever returns into a position of rest.

Abstract: The invention provides a key (10), of the type comprising a stem (14) which is retractable in relation to a case (12), in which the stem (14) comprises a lug (18), by means of which it is articulated in relation to the case (12), which comprises angular locking means (22) for locking the stem (14) in the retracted position and angular locking means (22) for locking the stem (14) in the deployed position, characterized in that the locking means comprise a single locking element (22) mounted such that it can move inside the case (12), which co-operates directly with the lug (18) of the stem (14) in order to lock the stem (14) in the retracted or deployed position.

Abstract: A Bowden-type cable containing a cable (14) is provided with proximal (14P) and distal extremities arranged in a jacket (18) having proximal (18P) and distal extremities blocked by proximal (20P) and distal arresting units. At least the first extremity (18P) of the jacket (18) is connected to the first arresting unit (20P) with the aid of a liaison unit (22) which is arranged on the first extremity (18P) of the jacket (18). In a preferred embodiment, the liaison unit is moulded on the first extremity (18P) of the jacket (18) and welded by ultrasound to the first arresting unit (20).