A seat device is provided with: a first air bag expanding and contracting inside a seat surface skin; a holding member for holding the first air bag and movable along the inner surface of the seat surface skin; a drive device for moving the holding member so as to change the arrangement of the first airbag; and a second air bag independent of the first air bag, the second air bag expanding inside the seat surface skin so as to press the seat surface skin to separate the seat surface skin from the first air bag.

Disclosed herein is an artificial intelligence massage apparatus for determining a recommended massage setting including a communication modem, a driver comprising at least one motor, and a processor configured to receive, via the communication modem, identification information from a terminal of a user, identify the user using the received identification information, receive, via the communication modem, activity information of the identified user from the terminal or a health care server, determine a recommended massage setting in consideration of the received activity information and a massage setting log of the identified user, and control the driver based on the determined recommended massage setting.

A neck support module for a headrest device of a vehicle seat comprises a frame and at least one inflatable pouch fixed to the frame.

An electromechanical transducer for a stimulation system includes: a housing; a movable element mounted inside the housing and capable of being moved in translation by means of at least a first elastic return element; an electromagnetic actuation system, including an electromagnet and a first magnet. The electromagnet is integral with the movable element. The first elastic return element includes a thermally insulating material. The electromechanical transducer further includes a heat-sensitive element associated with the electromagnet. Further, a stimulation system comprises the electromagnetic transducer and a vehicle including such a stimulation system.

Proposed is system and method for determining a driver's fatigue to promote safe driving by determining the driver's fatigue according to a change in a brain wave of a driver during driving of a vehicle.

A seat assembly includes first and second bladders and a controller. The first bladder has a sensor configured to detect a pressure of the first bladder. The controller is configured to inflate the first bladder to a target pressure, as detected by the sensor, and to inflate the second bladder based on time expended for the first bladder to be inflated to the target pressure.

Provided is a vehicle seat with a structure enabling a rockable moving piece to be disposed in a seat face in a well-fitting manner. A vehicle seat in which a rocking means having a drive mechanism and a moving piece for conveying rocking movement of the drive mechanism to a seated person is disposed in a through hole obtained by hollowing out a portion of a seat face of a seat cushion, wherein: a recess which is recessed in the thickness direction so as to surround the through hole is disposed in the seat face of the seat cushion; and the moving piece is shaped so that the bottom surface side follows the recess.

An air cushion arrangement installable in an interior of a seat having a seat surface may have at least one air cushion and an air supply system for variably supplying the at least one air cushion with air, wherein at least one air cushion is assigned a pulsation generator, the at least one air cushion being non-fluidically connected to the pulsation generator. The air cushion and the pulsation generator are configured to generate a pulsation in a direction of the seat surface of the seat (e.g., if the air cushion arrangement were installed in the interior of the seat). A seat assembly including such an air cushion arrangement is also disclosed.

A valve device for controlling a fluid flow, in particular an air flow, having at least one inlet and at least two outlets, at least one of the outlets being fluidically connectable in each case to the inlet via a through-channel of at least one manipulable guide means. The through-channel of the guide means can be changed at least indirectly via a control fluid flow either with regard to at least a section of its internal cross section or can be rotated at least to a limited extent with regard to its orientation with respect to the outlets and the inlet can be rotated at least to a limited extent.

A seat includes a seat bottom and a seat back. At least one of the seat bottom and the seat back includes a trim cover having a seating surface and a plurality of individually-controllable massage elements underlying the trim cover. Each of the plurality of individually-controllable massage elements has a surface facing the trim cover, wherein at least a portion of the surface includes a heating layer selectively configured to generate heat.