Abstract: A camera module includes a housing, a lens module accommodated in the housing, a first optical image stabilization (OIS) driving unit configured to move the lens module, relative to the housing, in a first direction perpendicular to an optical axis direction, and a second OIS driving unit configured to move the lens module, relative to the housing, in a second direction perpendicular to the optical axis direction and intersecting the first direction, wherein the first OIS driving unit includes first voice coil motors disposed on both sides of the lens module in the first direction, and the second OIS driving unit includes second voice coil motors disposed on both sides of the lens module in the first direction.

Abstract: An arithmetic device includes a multiplying-accumulating (MAC) operator and an activation function (AF) circuit. The MAC operator performs a MAC arithmetic operation for weight data and vector data to generate an arithmetic result signal. The AF circuit stores a look-up table for an activation function, adjusts a number of logic level combinations of an input distribution signal that correspond to each logic level combination of the output distribution signal, among a plurality of logic level combinations of the output distribution signal, based on an input range of the activation function. The AF circuit selects and outputs the output distribution signal that corresponds to the input distribution signal based on the look-up table. The input range of the activation function is based on a relative number of errors that occur.

Abstract: A memory module may include J memory chips configured to input/output data in response to each of a plurality of translated address signals; and an address remapping circuit configured to generate a plurality of preliminary translated address signals by adding first correction values to a target address signal provided from an exterior of the memory module, and to generate the plurality of translated address signals by shifting all bits of each of the plurality of preliminary translated address signals so that K bits included in a bit string of each of the plurality of preliminary translated address signals are moved to other positions of each bit string.

Abstract: A lens driving apparatus and a camera module including the same are provided. A lens driving apparatus includes a shake compensation unit configured to move in directions perpendicular to an optical axis, and ball members supporting the shake compensation unit, such that a degree of freedom for one of the ball members is different from a degree of freedom for another of the ball members.

Abstract: A touch input device includes a printed circuit board, a second substrate receiving a touch input from a user, and a spring member mounted on the surface of the printed circuit board and arranged to be in contact with the second substrate. The spring member includes a middle portion formed by a spring having a first diameter; a first end portion which extends from one side of the middle portion and the diameter of which expands to be larger than the first diameter; and a second end portion which extends from the other side of the middle portion and the diameter of which expands to be larger than the first diameter.

Abstract: A camera module includes a driving assembly configured to drive a lens module in a direction intersecting an optical axis. The driving assembly includes: a driving magnet member; auxiliary magnet members arranged on opposing sides of the driving magnet member and arranged to have polarities different from a polarity of the driving magnet member in a first direction; and a driving coil including portions extending along boundaries between the driving magnet member and the auxiliary magnet members.

Abstract: A camera module includes a housing having an internal space; a carrier disposed in the internal space; a lens module disposed in the carrier; a guide frame disposed between the carrier and the lens module; a first ball member and a second ball member disposed between the housing and the carrier, spaced apart from each other in a diagonal direction of the housing and the carrier, and configured to guide a movement of the carrier in a direction of an optical axis; and a third ball member disposed between the carrier and the guide frame, and a fourth ball member disposed between the guide frame and the lens module, and configured to guide a movement of the lens module in a direction perpendicular to the optical axis direction, wherein the third ball member and the fourth ball member do not overlap each other in the optical axis direction.

Abstract: A camera module including a lens module, a carrier accommodating the lens module, a housing accommodating the carrier, and a shaking correction driver including a plurality of magnets disposed on the lens module, a plurality of coils disposed on the housing, and three or more position sensors, wherein the shaking correction driver is configured to form driving force to move the lens module on a plane perpendicular to an optical axis, wherein at least one of the plurality of magnets faces two or more position sensors, and wherein a position sensor facing one of the plurality of magnets is disposed closer to the optical axis than a position sensor facing an other of the plurality of magnets.

Abstract: Disclosed herein a user interface device includes a levitating knob configured to detect an input by a user's manipulation; a knob holder configured to be held when the levitating knob does not levitate; a lifting driver provided below the knob holder so that the levitating knob rises from the knob holder and levitates; and an anti-separation section disposed to be spaced apart from the levitating knob by a predetermined distance so that the raised levitating knob does not deviate from an upper side of the knob holder; and wherein the levitating knob is provided with a first magnet, the lift driver is provided with a second magnet arranged to face the first magnet, the second magnet having the same pole as the first magnet on facing surface thereagainst, the lift driver is configured to levitate or hold the levitating knob by driving up or down the second magnet.

Abstract: A camera module includes a housing having an internal space; a carrier disposed in the internal space; a lens module provided in the carrier; and a first ball member and a second ball member, disposed between the carrier and the housing and spaced apart in a direction, perpendicular to an optical axis, wherein a virtual line connecting a center of a ball included in the first ball member and a center of a ball included in the second ball member passes through the lens module, wherein the lens module includes a first avoidance portion securing space in which at least one of the first ball member or the second ball member is disposed.

Abstract: A camera module includes: a housing; a carrier accommodated in the housing, and configured to move in an optical axis direction; a lens unit accommodated in the carrier, and configured to move in the optical axis direction together with the carrier; a driving unit configured to move the carrier; and a guide unit configured to guide the movement of the carrier, and comprising: a ball member configured to move in the optical axis direction; and a guide groove unit comprising a plurality of guide grooves in which the ball member is disposed, wherein the plurality of guide grooves comprise a first guide groove in which an angle between normals of two adjacent surfaces of the first guide groove in contact with the ball member is an acute angle.

Abstract: A camera module including a lens module configured to move in one or more of an optical axis direction, a first axis direction perpendicular to the optical axis direction, and a second axis direction perpendicular to the optical axis direction and the first axis direction, a housing configured to accommodate the lens module, a printed circuit board coupled to the housing, an aperture module configured to form an incident opening of various sizes, and coupled to the lens module and moved together with the lens module, and a connection substrate connected to the printed circuit board and the aperture module. The aperture module includes an aperture driver including a magnet portion and a coil portion, and an aperture substrate in which the coil portion is disposed, and one side of the connection substrate is coupled to the aperture substrate, and another side thereof is coupled to the printed circuit board.

Abstract: A camera module includes a driving assembly configured to drive a lens module in a direction intersecting an optical axis. The driving assembly includes: a driving magnet member; auxiliary magnet members arranged on opposing sides of the driving magnet member and arranged to have polarities different from a polarity of the driving magnet member in a first direction; and a driving coil including portions extending along boundaries between the driving magnet member and the auxiliary magnet members.

Abstract: A method for diagnosing a bearing fault on the basis of a current signal, and a device for performing the method, can include the steps, performed by a bearing failure diagnostic device, of: receiving a motor three-phase current signal; denoising the motor three-phase current signal; converting the denoised motor three-phase current signal to a single-phase current signal; determining a characteristic factor on the basis of the single-phase current signal; and determining, on the basis of the characteristic factor, whether a bearing fault exists.

Abstract: A message hop-based communication method of guaranteeing real-time communication in a vehicle communication environment may comprise: receiving, by a first on-board unit (OBU) of a first vehicle, a first message including a message frame (MF) for probe vehicle data (PVD) from a road side unit (RSU); and transmitting a second message, including an MF for a basic safety message (BSM), to a second OBU of a second vehicle, the second message corresponding to the first message, wherein the PVD and the BSM each comprise a data frame for a hopping request.

Abstract: A camera module includes: a magnet disposed on a lens module; a bearing member disposed in a ball guide portion formed between the lens module and a housing that accommodates the lens module; a coil disposed in the housing to face the magnet; and a yoke member disposed on the housing to interact with the magnet to generate a biased magnetic force.

Abstract: A camera module includes a carrier provided in a housing; a guide member disposed in the carrier, and configured to compensate for shaking in a perpendicular direction to an optical axis direction; a stopper configured to cover an upper portion of the carrier to accommodate the guide member; and a damper member, disposed in the stopper, comprising either one or both of an eleventh damper member opposing the guide member in a first direction perpendicular to the optical axis direction, and a twenty first damper member opposing the guide member in a second direction perpendicular to the optical axis direction and the first direction. The damper member directly opposes the guide member.

Abstract: A camera module includes a first lens module including one or more lenses disposed along a first optical axis; a housing defining an internal space; at least two guide portions disposed in the internal space to guide a coupling position of the first lens module; and a reflection module disposed in the internal space to change a traveling path of light incident along the first optical axis. The at least two guide portions include a first guide portion contacting the first lens module to form a first number of contact points and a second guide portion contacting the first lens module to form a second number of contact points different from the first number of contact points.

Abstract: There is provided a camera module including a plurality of ball bearings to support the driving of a lens barrel at the time of compensating for unintended camera movement due to disturbance such as hand shake. The lens barrel may be driven in first and second directions, independently, by one driving force exerted in the first direction perpendicular to an optical axis and by another driving force exerted in the second direction perpendicular to both the optical axis and the first direction, thereby preventing driving displacement from being generated at the time of compensating for unwanted motion such as hand shake while securing reliability against external impact, and having reduced power consumption at the time of compensating for the disturbance.

Abstract: A method of extending message nodes of an Open Mobile Alliance (OMA)-Device Management (DM) protocol, which is performed by a server to improve efficiency of a vehicle over-the air (OTA) update, may comprise: receiving a package including vehicle device information (DevInfo) from a client of a vehicle; and checking an update state of software (SW) installed on the client on the basis of information having a field for defining information on a vehicle registration district, a field for defining information on a production year of the vehicle, and an SW field for defining an SW expansion which are included in the DevInfo.