Samsung Electronics Co., Ltd.

Industry-university Cooperation Foundation Sogang University

Byung-jik Kim

Seong-Taek Hwang

Sang-Ho Kim

Jae-Hoon Lee

Han-Lim Lee

Yun-Je Oh

Hoon Tae Kim

Sung-Kee Kim

Yong-gyoo Kim

Gyu-Woong Lee

Sang-Wook Kwon

Sang-ho Kim

Seung-jin Oh

Jong-Hyun Park

Sung-Soo Park

Jong-hyun Kim

Shuangfeng Han

Won-Jin Sung

Byung-Hoon Kang

Gwan-hyung Kim

Jeong-rok Park

Jin-Woo Choe

Jin-Serk Baik

Hyun-Soo Kim

Sang-Wook Oh

In-sik Myung

Joon-Oo Kim

Sung-Kweon Park

Jong-woo Jung

Ki-Uk Song

Dong-wook Kwon

Hee-Min Kwon

Kang-Nam Kim

Hui-jun Shim

Sung-kweon Park

Chang-Byung Park

Se-hyun Han

Do-Young Ha

Dae-Eun Choi

A touch screen device, an input device, and a control method thereof are provided. The touch screen device includes a channel electrode configured to receive a signal from an input device, a driver circuit configured to apply a drive signal to the channel electrode, a receiver circuit configured to receive the signal from the channel electrode, and a processor configured to control the driver to transmit an input device identification information to the input device such that, when a signal transmitted from the input device is received through the receiver circuit, based on a frequency of the received signal or a pattern of the received signal, the processor determines if the received signal is associated with the input device identification information transmitted to the input device. Accordingly, a touch screen device capable of touch inputting with respect to a plurality of input devices can be provided.

Touch screen device, input device, and control method thereof and method thereof

A touch screen is disclosed. The touch screen comprises: a display panel displaying an image; and a touch panel detecting a touch of a user, wherein the touch panel comprises a 2D/3D touch pattern layer having a 2D touch electrode pattern and a 3D touch electrode pattern disposed on both sides of a substrate.

Touch screen, touch panel and electronic device having same

A touch pad is provided. The touch pad includes a transparent piezoelectric film layer configured to generate an electrical signal varying according to a touch pressure, and an electrode layer including a plurality of transparent electrodes disposed in a plurality of areas of the transparent piezoelectric film layer and configured to sense a voltage of the electrical signal generated from the plurality of areas.

Touch pad and electronic apparatus using the same, and method of producing touch pad

An electronic apparatus for measuring a frequency of an electromagnetic signal emitted from a coordinate indicating device contacting a sensor pad, and method are provided. The electronic apparatus includes a signal receiving unit that receives the electromagnetic signal, a band-pass filter unit including a pair of band-pass filters that generates a first filtered signal and a second filtered signal by respectively filtering the electromagnetic signal in a first frequency range and a second frequency range corresponding to a center frequency of the coordinate indicating device, and a controller that acquires a frequency value of the electromagnetic signal based on a ratio value between the first filtered signal and the second filtered signal.

Method of measuring frequency of coordinate indicating device, and electronic apparatus thereof

A stylus pen and a touch panel are provided. The stylus pen includes: a conductive tip configured to receive an electric field transmission signal from at least one electrode of the touch panel; a circuit portion configured to generate an electric field receiving signal corresponding to the received electric field transmission signal; a variable capacitor between the conductive tip and the circuit portion, and configured to vary the electric field receiving signal depending on a writing pressure applied to the conductive tip; and a conductive body outside the variable capacitor and electrically connecting the conductive tip and the circuit portion.

Stylus pen and touch panel configured to detect input position and input pressure

A reconfigurable mobile device is provided. The reconfigurable mobile device includes a first body, a second body that is disposed at a side of the first body and is movable with respect to the first body, a multistage supporter that is provided between the first body and the second body and comprises at least two supporting members that are inserted and received in at least one of the first body and the second body according to movement of the first body and the second body, a screen that is provided in the multistage supporter and is wound or unwound according to the movement of the first body and the second body, and a projector that is provided in at least one of the first body and the second body and configured to project an image toward the screen.

Reconfigurable mobile device

An input device according to one of various embodiments of the present disclosure includes a body having an ElectroMagnetic Induction (EMI) circuit, a first contact member reciprocating in the body and associated with the EMI circuit, and a second contact member installed to the body and having at least a part disposed in side by side with the first contact member, the second contact member being made of a conductive material.

Input device and electronic device including the same

Disclosed is a frequency hopping modulation method in a communication system. The method includes: generating a frequency hopping pattern according to a hopping frequency's level; generating a hopping frequency through use of the frequency hopping pattern; modulating an original signal to a frequency hopping spread signal by multiplying the original signal by the hopping frequency; generating a chirp pulse code for diversifying the frequency hopping spread signal; and modulating the frequency hopping spread signal to a chirp pulse signal by multiplying the frequency hopping spread signal by the chirp pulse code.

Frequency hopping modulation apparatus and method in communication system

An apparatus and method for recognizing characters of an image captured using a camera in a mobile terminal are provided, wherein an image of a signboard is captured, a text area is extracted from the captured image of the signboard, characters are recognized from the extracted text area, similar characters up to a predetermined priority level are generated for each recognized character of the extracted text area, location information of an area within a predetermined range from a current position of a user is acquired, store names are extracted from the location information, text is generated by combining the similar characters according to weights, the text are compared with the extracted store names, and a comparison result is output.

Apparatus and method for recognizing characters using a camera

Disclosed is an RoF system providing an HD wireless communication service. The RoF system includes the base station for transmitting and receiving each of the TDD/FDD individual signals and TDD/FDD combined signals, channel-combining downstream signals for a TDD scheme with downstream signals for an FDD scheme, and generating TDD/FDD mode control signals; a base station donor for receiving downstream RF signals from the base station, converting the resultant signals into downstream optical signals, outputting the converted signals, and delivering upstream optical signals, which are input to the remote station from the wireless terminals, to the base station; and the remote station for switching a corresponding duplexing mode operation according to wireless service channel states of the wireless terminals, converting the downstream optical signals transmitted from the base station donor into service RF signals, amplifying the converted service RF signals, and providing the amplified service RF signals to the wireless terminals through antennas.

RoF system providing HD wireless communication service and signal control method for the same

A method and apparatus for measuring a distance in a wireless environment are provided, in which a first device transmits a distance measurement signal to a second device and receives at least one response signal for the distance measurement signal from the second device, matches the received response signal with a reference signal to detect an earliest response signal, and calculates a time taken from the transmission of the distance measurement signal to the second device and the reception of the response signal from the second device using a peak value of the matched reference signal.

Method and apparatus for measuring distance in a wireless environment

A method for transmitting/receiving data in an orthogonal frequency division multiple access-time division duplex (OFDMA-TDD) scheme. A first uplink signal and a first downlink signal of a specific band are periodically transmitted/received within a time-divided section. A second uplink signal and a second downlink signal are periodically transmitted/received, and the second signal is of a band other than the specific band, within the time-divided section, wherein, during a time section in which the first downlink signal is transmitted, the second uplink signal is received.

Method for concurrently transmitting and receiving data through heterogeneous communication networks and apparatus using the same

A method, apparatus and system for increasing cell capacity through optional signal combining between Relay Stations (RSs) in a cellular system using wired RSs is disclosed. The method includes receiving, by a Base Station (BS), an average Carrier-to-Interference ratio (C/I) value of transmission signals from Mobile Stations (MSs) located inside each coverage area, being fed back from the RSs or the MSs in its corresponding cell; classifying the MSs into two groups according to the C/I value; performing resource allocation satisfying a minimum data rate from a corresponding RS, for MSs belonging to a group having a C/I value greater than a preset threshold &#x393; among the classified groups; performing resource allocation by applying an optional signal combining scheme taking into account two RSs having a highest C/I value, for MSs belonging to a group having a C/I value below the threshold among the classified groups; and allocating all unallocated subchannels of each individual RS in an order of an MS having a high C/I value among MSs of a corresponding RS until there is no more unallocated subchannel of each RS.

Apparatus and method for increasing cell capacity through optional signal combining between relay stations in a cellular system using wired relay stations

Disclosed is a device for allocating transmission power using a symbol error rate (SER) for orthogonal space-time block codes (OSTBC) in a wireless communication system. The device includes: a plurality of antennas, which are distributed geographically and independently linked to a central processing unit; a receiver to select an optimum subset of the SER performance, using a preset power allocation to each of available antenna subset combinations, and sending the selected subset to a transmitter; and a central processing unit to allocate power by applying an OSTBC symbol having a unit average power to the optimum subset from the receiver.

Method of allocating transmission power based on symbol error rate for orthogonal space-time block codes in a distributed wireless communication system

Disclosed are a method and a system for generating switching control signal separating transmission signal on an access point and a mobile communication terminal in an optical repeater employing, for example, a TDD scheme. The method includes the steps of generating a control signal for generating a switching control signal in transmitting data from the AP and transmitting the control information to a remote during an idle time interval, detecting synchronization information on the downlink signal and time-delay information from the control information, delaying a time interval between the synchronization information and a starting point of the downlink signal, generating the switching control signal for the downlink signal according to the transmission time information of the downlink signal, and performing a switching operation according to the switching control signal and setting a downlink path.

Growing community of inventors

Seongnam-si, South Korea

Byung-jik Kim