Abstract: A lumbar support for a vehicle seat includes: a support panel made of an elastic material and supporting the user's lumbar vertebra; a first guide rod supporting the support panel; a second link bracket fastened to the first guide rod to be movable up and down; a first link bracket disposed under the second link bracket to be movable up and down with respect to the second link bracket, and having an operation block providing a supporting force to the lumbar vertebra; a first rotary screw vertically extending, thread-fastened to the first link bracket, and moving up and down the first link bracket by rotating about a longitudinal axis; and a second rotary screw vertically extending, thread-fastened to the second link bracket, and moving up and down the second link bracket by rotating about a longitudinal axis.

Abstract: A device and a method for controlling a seat of a vehicle includes a detector for detecting vehicle environment information, a vibration generator mounted on the vehicle seat to generate the seat vibration, and a controller electrically connected to the detector and the vibration generator, and the controller detects seat environment information through the detector, determines a weight and a sitting posture of a user seated in the vehicle seat based on the seat environment information, determines a vibration pattern and a vibration excitation force based on the weight and the sitting posture of the user, and generates the seat vibration by controlling the vibration generator based on the determined vibration pattern and vibration excitation force.

Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.

Abstract: An apparatus for generating a driving sound in a vehicle includes a first conversion device that receives first sound information and converts the received first sound information into second sound information, a second conversion device that converts the second sound information into third sound information based on a conversion parameter, a storage that receives feedback information of a user about the third sound information and corrects and stores the third sound information, and a playback device that plays the stored third sound information

Abstract: An apparatus and a method for caring emotion of a driver based on a vehicle sound, may include a detector configured to detect driving information of the vehicle and body information of a user, a non-transitory storage to store instructions, and a processor to execute the instructions. The processor determines an emotional status of the driver by use of at least one of the driving information or the body information, to generate a healing sound by designing a virtual sound based on the driving information and the emotional status of the driver, and to generate and output the healing sound.

Abstract: A battery management system includes: a battery which includes battery cells connected in series; diodes which are connected in parallel to the battery cells; a switch unit which includes switches respectively connected to the battery cells; a control unit which detects voltages of the battery cells and performs cell balancing; and sensing lines which connect the battery cells and the control unit, wherein the control unit measures a first upper voltage difference between each battery cell and an adjacent upper battery cell in a state in which the switches are turned off, measures a second upper voltage difference between each battery cell and an adjacent upper battery cell after turning on the switches for a predetermined time, and, when the second upper voltage difference is greater than the first upper voltage difference, determines that the sensing line of the corresponding battery cell is disconnected.

Abstract: A vibration providing method for a vehicle is capable of classifying various dangerous situations and warning of a dangerous situation based on the dangerous situation and a driving situation.

Abstract: A method of generating a tire slip sound is capable of producing a virtual tire slip sound in a driving situation in which tire slip may occur during vehicle driving. The method includes collecting vehicle driving information while a vehicle is traveling; determining a characteristic of a virtual tire slip sound based on the collected vehicle driving information; generating and outputting a tire slip signal for generating and outputting the virtual tire slip sound according to the determined characteristic; and operating sound equipment of the vehicle according to the tire slip signal output from the controller to generate and output the virtual tire slip sound according to a vehicle driving state.

Abstract: An apparatus for generating a virtual effect of an electric vehicle includes: a driving information detector configured to detect vehicle driving information in the electric vehicle; a controller configured to determine a characteristic of the virtual effect based on the vehicle driving information detected by the driving information detector, and configured to generate a virtual effect producing signal for producing the determined characteristic of the virtual effect; and a vibration actuator provided in a seat of the electric vehicle such that when the vibration actuator operates, a driver or a passenger who is in the seat experiences vibration, the vibration actuator being controlled by the virtual effect producing signal generated by the controller, so as to produce the vibration according to the determined characteristic of the virtual effect.

Abstract: A lighting system includes a plurality of lighting devices installed in a predetermined space and connected to one another to communicate with one another using at least one of a first communication method and a second communication method, and a mobile device directly connected to at least one of the plurality of lighting devices to communicate therewith according to the first communication method. The first communication method and the second communication method are different. Each of the plurality of lighting devices includes a communication module configured to support the first communication method and the second communication method, and a driver configured to drive a light source in response to a control command received by the communication module.

Abstract: A lighting system includes a plurality of lighting devices installed in a predetermined space and connected to one another to communicate with one another using at least one of a first communication method and a second communication method, and a mobile device directly connected to at least one of the plurality of lighting devices to communicate therewith according to the first communication method. The first communication method and the second communication method are different. Each of the plurality of lighting devices includes a communication module configured to support the first communication method and the second communication method, and a driver configured to drive a light source in response to a control command received by the communication module.

Abstract: A method and apparatus for cutting a glass laminate. A trench line is formed in a glass substrate that is an uppermost layer of a glass laminate by scoring a surface of the glass substrate. The glass laminate is cut in the direction parallel to the trench line. It is possible to prevent the propagation of cracks commonly formed during the cutting of glass laminates.

Abstract: A method and apparatus for cutting a glass laminate. A trench line is formed in a glass substrate that is an uppermost layer of a glass laminate by scoring a surface of the glass substrate. The glass laminate is cut in the direction parallel to the trench line. It is possible to prevent the propagation of cracks commonly formed during the cutting of glass laminates.

Abstract: The present disclosure relates to a method for producing graphite oxide and an apparatus therefor.

Abstract: The present disclosure relates to a method for producing graphite oxide and an apparatus therefor.