Abstract: The invention relates to an individual lighting device (20) for a vehicle seat including: a plurality of light sources (S1, S2, S3) having an adjustable light intensity and each emitting in a favored direction (D1, D2, D3), at least two sources being arranged so that the directions (D1, D2, D3) of those two sources are not parallel.

Abstract: A method for controlling the kinematics of a seat having movable portions and actuators for moving the movable portions between an initial position and a final position, at least one movable portion including a specific point, including the steps of establishing, for the specific point, an authorized travel conduit between the initial position and the final position, delimited by two lateral boundaries, calculating the current position of the specific point, establishing a target direction for the specific point that is suitable for moving the specific point in the conduit from the lateral boundaries and the current position, and modifying the direction of the specific point by controlling the actuators in order to force the specific point to move in the conduit.

Abstract: The invention relates to a linear actuator comprising: —an outer tubular body having a helical rolling track; —an internal tubular body with an engine rotatable around a shaft that is coaxial to the tubular bodies; —at least one nut having at least one helical rolling path and a reflow area mounted on said shaft; —and ball bearings placed between a rolling path of at least one nut and a rolling track of the outer tubular body, as well as in the reflow area of such a nut. Said actuator is characterized in that it comprises at least one means for bearing against a rolling track of the outer tubular body along at least one line of contact, and at least one means for controlling said bearing means.

Abstract: The seat which is provided with at least two elements which can be moved relative to each other and an actuator for maneuvering a movable element, a unit for controlling the actuator for the movement of the movable element comprises: means for measuring a force (Cu) applied manually to the movable element by a user, the control unit comprises: means for calculating the theoretical force (Cth) which must be applied by the actuator to the movable element in the direction of the force (Cu) applied manually to the movable element by the user; and means for controlling the actuator for the movement of the movable element in accordance with the theoretical force (Cth).

Abstract: A method for controlling the kinematics of a seat (10) having movable portions (16, 18, 20, 22) and actuators (24, 25, 26, 27) for moving the movable portions between an initial position and a final position, at least one movable portion including a specific point (P1, P2, P3, P4), includes the steps of: establishing (102), for the specific point, an authorized travel conduit (C) between the initial position and the final position, delimited by two lateral boundaries (Z1, Z2); calculating (116) the current position of the specific point; establishing (118) a target direction for the specific point that is suitable for moving the specific point in the conduit (C) from the lateral boundaries and the current position; and modifying (122) the direction of the specific point by controlling the actuators in order to force the specific point to move in the conduit (C).

Abstract: A method for controlling a seat which is equipped with: at least one controllable actuator (20) for moving two portions (16, 18) of the seat relative to each other; a controllable lock (26) for positive mechanical locking of the movement of the two portions of the seat, the lock (26) being able to be displaced between an engaged position opposite a complementary stop (30) and a disengaged position remote from the stop (30), which method comprises, in the event of an order for modification of a command for the actuator (20), steps for: verifying whether the two portions (16, 18) are in a critical range (I) of relative positioning, and as long as the two portions (16, 18) are in the critical range (I), applying to the actuator (20) a command which is different from the modified command.

Abstract: The seat which is provided with at least two elements which can be moved relative to each other and an actuator for manoeuvring a movable element, a unit for controlling the actuator for the movement of the movable element comprises: means for measuring a force (Cu) applied manually to the movable element by a user, the control unit comprises: means for calculating the theoretical force (Cth) which must be applied by the actuator to the movable element in the direction of the force (Cu) applied manually to the movable element by the user; and means for controlling the actuator for the movement of the movable element in accordance with the theoretical force (Cth).

Abstract: An aircraft cabin including at least two seats, which seat each include at least two elements which can be moved relative to each other and at least one actuator for the relative displacement of these movable elements, and at least one central power control unit in the cabin in order to allocate a total available power level to each seat, where each seat includes parts for reading at least one item of morphological information of the passenger sitting in the seat, and a part for transmitting information to the central power control unit in accordance with each item of morphological information, and the central power control unit is capable of allocating to each seat a total available power level in accordance with each item of morphological information.

Abstract: The invention relates to a method for controlling a seat which is equipped with: at least one controllable actuator (20) for moving two portions (16, 18) of the seat relative to each other; a controllable lock (26) for positive mechanical locking of the movement of the two portions of the seat, the lock (26) being able to be displaced between an engaged position opposite a complementary stop (30) and a disengaged position remote from the stop (30). It comprises, in the event of an order for modification of a command for the actuator (20), steps for: verifying whether the two portions (16, 18) are in a critical range (I) of relative positioning, and as long as the two portions (16, 18) are in the critical range (I), applying to the actuator (20) a command which is different from the modified command.

Abstract: The installation (10) for controlling power in an aircraft comprises a power distribution network (22); at least two subscribers (14A, 14B, 14C) connected to the network (22); a central power control unit (20) which is capable of allocating a total available power level to each subscriber; and a device for determining the total power effectively consumed for each load of the subscribers. The central power control unit (20) acquires information which represents the total power effectively consumed by each subscriber and is capable of allocating the total available power to each subscriber in accordance with the total power levels effectively consumed by the subscribers.

Abstract: The vehicle seat (10) comprises a seat structure (12), at least one element (14, 16) which is mobile relative to the structure (12) of the seat, at least one actuator (20, 22) for operating the or each mobile element (14, 16), means (24) for controlling the or each actuator (20, 22) in order to bring the seat into a set of predetermined configurations. Sequencing means (24) suitable for operating the control of the or each actuator (20, 22) in order to bring the seat into several different predetermined configurations in succession in accordance with a predetermined sequence of configurations with a predetermined hold time between each change of configuration.

Abstract: The invention provides a device for indicating the maximum permissible loads of a lifting appliance wherein a series of potentiometers are adjusted according to the variation of one parameter and control another potentiometer which is adjusted according to a second parameter, and means for assigning reference voltages to the series of potentiometers which means comprise, for each tapping, a series of polarisation circuits in parallel, each circuit providing a regulated voltage and controlled by a switch defining the instantaneous position of operation and simultaneously controlling all the polarisation circuits.