Lg Electronics Inc.

Hyokune Hwang

Jinho Youn

Jaeyeol Kim

Seonghun Lee

Jaecheon Sa

Sunuk Kim

Munchae Joung

Jaehyeuck Choi

Inho Choi

Sooyong Park

Hongjo Shim

Jihye Lee

Gukchan Lim

Hyunok Lee

Younghwan Kim

Dongsu Han

Youngjun Cho

Jinsu Lee

Seungjae Shin

Jungwoo Sohn

Taejong Jeong

Yongheon He

Jung Eun Chol

The present disclosure relates to a system and method for controlling home appliances that operates home appliances using a user terminal and controls the operation of the home appliances arranged in a space in consideration of the amount of power consumed in the space. In the present disclosure, when a first home appliance is operated, the first home appliance is operated only when the total power consumption of the first home appliance and other home appliances that are already operating is less than or equal to a reference value.

System and method for controlling home appliances

A handwriting input device having the shape of a digital pen, according to one embodiment of the present invention, comprises: a pen tip formed on one side of the pen; a light source part for irradiating coherent light to a surface around the pen tip; first and second image sensors for respectively sensing coordinate components necessary for calculating movement coordinates of the pen according to a user's handwriting input by using at least a portion of the coherent light reflected from the surface and received; and a processor for calculating the movement coordinates of the pen by using the coordinate components sensed through the first and second image sensors, wherein the first and second image sensors are disposed such that the distances between each sensor and the pen tip are the same.

Handwriting input device

A method for transmitting a control error packet to a wireless power transmitter includes transmitting the control error packet including a control error value to the wireless power transmitter within a first time interval or a second time interval larger than the first time interval, based on a type of a power profile and a version of wireless power transfer standard with which the wireless power receiver and the wireless power transmitter comply. When the version of the wireless power transfer standard is a first version, the wireless power receiver transmits the control error packet within the first time interval. When the version of the wireless power transfer standard is a second version higher than the first version and the type of the power profile is an extended power profile, the wireless power receiver transmits the control error packet within the second time interval.

Device and method for transmitting data in wireless power transmission system

A wireless power receiver for receiving wireless power from a wireless power transmitter and for transmitting a control packet to the wireless power transmitter in a wireless power transfer system, includes a power pick-up unit configured to receive wireless power from the wireless power transmitter via magnetic coupling with the wireless power transmitter, and to convert an AC signal generated by the wireless power to a DC signal, a communication/control unit configured to receive the DC signal from the power pick-up unit, and to perform control of the wireless power and a load configured to receive the DC signal from the power pick-up unit, wherein the communication/control unit is configured to transmit a control error packet including a control error value for the wireless power to the wireless power transmitter in a first time interval or a second time interval.

The present invention relates to a rolly keyboard. The rolly keyboard comprises: a body having a polygonal columnar shape; a scroll wheel formed in the body; a key assembly coupled to the body, wherein the key assembly comprises a plurality of key line portions in which the keys are disposed in each of a plurality of lines, wherein the plurality of key line portions are wound in the polygonal columnar shape of the body. Thus, scrolling can be accomplished by the scroll wheel.

Rolly keyboard

A wireless power transmission device includes a laser light source configured to generate a first laser light for wireless charging and a guide beam for sensing at least one of an object and one or more receivers; a light outputting unit configured to output the first laser light and the guide beam; a light receiving unit configured to receive the guide beam; and a controller configured to control output of the first laser light through the guide beam received at the light receiving unit.

Wireless power transmission apparatus and method therefor

The present invention relates to a device and method for transmitting data in a wireless power transmission system. The present specification discloses a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by magnetic coupling with the wireless power transmission device, and convert an AC signal generated by the wireless power into a DC signal; a communication/control unit configured to receive the DC signal from the power pickup unit and perform control of the wireless power; and a load configured to receive the DC signal from the power pickup unit. According to the present invention, a large amount of data can be easily exchanged between a wireless power transmission device and a wireless power reception device by adjusting a transmission time interval of a control error packet (CEP) and a timeout of the CEP.

The present specification discloses a wireless power transmission apparatus and a method therefor. Herein, a wireless power transmission apparatus according to one embodiment of the present invention comprises: a laser light source unit; a light output unit for separating and outputting laser light generated in a laser light source into a first laser light for wireless charging and a second laser light for object detection; a light receiving unit for receiving the second laser light; and a light control unit for controlling the output of the first laser light through the second laser light received by the light receiving unit, wherein the light control unit may determine whether an object is detected or not according to the second laser light received by the light receiving unit.

The present invention provides a pressure-sensitive haptic device comprising: a support plate onto one surface of which a touch screen is coupled; an actuator, coupled to the support plate, for generating vibration in response to a load applied to the touch screen and delivering the vibration to the support plate; a guide rail part, disposed in contact with the other surface of the support plate, for supporting the support plate; and a load sensing part coupled to both ends of the guide rail part, for detecting the size of the load which has been applied to the touch screen and delivered, via the guide rail part, to the load sensing part.

Pressure-sensitive haptic device

The present invention relates to a wireless power transfer apparatus performing communication with a wireless power reception apparatus. The wireless power transfer apparatus includes a housing having one surface with an opening, a coil part disposed within the housing and configured to transmit a wireless power signal to the wireless power reception apparatus, a temperature sensor disposed within the housing to overlap the opening, and configured to measure temperature of an object through the opening, and a power transmission control unit configured to control the coil part based on the temperature measured by the temperature sensor.

Wireless power transfer apparatus

Disclosed is display apparatus for a vehicle including a display unit, a gesture sensing unit located around the display unit for sensing a 3D gesture made by an object, and a processor for generating a control signal based on the 3D gesture. The gesture sensing unit includes a first light-emitting unit for emitting a first group of rays along a first optical path, a second light-emitting unit for emitting a second group of rays along a second optical path, and a light-receiving unit for receiving a first group of reflected rays formed when the first group of rays is reflected by the object and a second group of reflected rays formed when the second group of rays is reflected by the object.

Display apparatus for vehicle

An electronic device having a function for sensing 2D and 3D touch which includes a display unit; a bezel frame unit; a plurality of light emitting units; a plurality of light receiving units; a light isolation unit configured to isolate a first light for sensing 2D touch and a second light for sensing 3D touch from the lights incident thereon from the light emitting units; a driving control unit configured to sequentially operate the plurality of the light emitting units; and a motion recognition unit configured to calculate a horizontal coordinate based on the quantity of the first light, to calculate a spatial coordinate based on the quantity of the second light, to extract a motion of the pointer based on the detected quantity of the light and to implement an operation corresponding to the extracted motion.

Electronic device for sensing 2D and 3D touch and method for controlling the same

A mobile terminal includes a main body; at least one circuit board placed in the main body and comprising an upper surface, a lower surface, and at least one lateral surface; at least one conductive body disposed at the at least one lateral surface of the at least one circuit board and electrically connected to a ground of the at least one circuit board; and at least one shield member mounted on the at least one circuit board. The at least one shield member includes a base portion formed to cover at least part of the upper surface or the lower surface of the at least one circuit board and at least one protrusion portion protruded from the base portion and formed to be electrically in contact with the at least one conductive body.

Mobile terminal

An apparatus for controlling a vibration includes a vibration transfer unit; at least one pair of oscillators disposed spaced apart from each other in the vibration transfer unit, and configured to generate a vibration in the vibration transfer unit; at least one driver configured to selectively drive the at least one pair of oscillators; and a controller configured to control the at least one driver and thereby move a center of the vibration within the vibration transfer unit so as to create a moving vibration sensation.

Apparatus and method for generating vibration pattern

A mobile device for controlling a vibration includes an input unit configured to receive an input from a user or an external device; an output unit configured to generate an output; a vibration pattern generation unit configured to generate a vibration, and to move a center of the vibration within the mobile device according to the input from the input unit or the output from the output unit; and a control unit configured to control the vibration pattern generation unit so as to create a moving vibration sensation from a movement of the center of the vibration.

Growing community of inventors

Seoul, South Korea

Hyokune Hwang