Samsung Electronics Co., Ltd.

Yonsei University

Lg Electronics Inc.

Emw Co., Ltd.

Woo-Young Choi

Sung-Ik Park

Sung-Geun Kim

Seung-Woo Lee

Dong-Hyun Yeom

Sang-Ho Park

Jae-Hoon Choi

Kyoung-Mook Lim

Nam-guk Kim

Young-kwang Seo

Hyun-surk Ryu

Yong-Jun Park

Min-Cheol Kang

Wook-Hyun Jeong

Joy Yim

Hyun-chin Kim

Mi-A Oh

Ho-Dong Jwa

Jong-Hoon Park

Byung-Hoon Ryou

Yang-Soo Lee

Jong-Cheul Park

Dae-Hyun Kwon

Wang-Soo Kim

Won-Mo Sung

Moon-Soo Chang

Du-ho Kim

Kwang-Chun Choi

In-Jun Son

Young-Seok Park

Mahesh Shivananda

Yang-Woon Roh

Hak-Joo Kim

Hyung-Joo Cho

Hyun-Woong Koh

Yu-kun Kim

An electronic device includes a processor and a memory functionally connected to the processor. The electronic device acquires user's biometric information through a biometric sensor, determines virtual biometric information corresponding to the acquired biometric information, and transmits the virtual biometric information to an external electronic device through communication circuitry. The electronic device may include the biometric sensor, the communication circuitry, and the memory may be electrically connected to the biometric sensor and the communication module and store instructions to be executed by the processor.

Electronic device for processing biometric information and method of controlling same

The present invention relates to a voltage controlled oscillator and phase locked loop comprising the same for compensating a noise of a power voltage. According to an embodiment of the present invention, a voltage controlled oscillator may comprise: an oscillator comprising a plurality of inverters connected as a ring form for generating a plurality of signals having different phases with each other, and a plurality of feed forward circuits formed between the inverters; and a controller for controlling the inverter and feed forward circuit based on a detected noise by detecting a noise of a power voltage.

Voltage controlled oscillator and phase locked loop comprising the same

An apparatus and method for selecting a QoS in a portable communication system are provided. The method includes, when using a high quality video communication service, sending a request for the high quality video communication service to a destination terminal using a Circuit Service Data (CSD) channel, receiving a reply message to the high quality video communication service request and, when the reply message is an acceptance of an execution of the high quality video communication service, disconnecting the CSD channel and then connecting a Packet Service Data (PSD) channel, and providing the high quality video communication service using the PSD channel.

Apparatus and method for selecting a QoS in a portable communication system

Disclosed herein is a method and an electronic device. The electronic device may include a display and a transmission/reception module, and at least one processor. The processor may implemented the method, including receiving a first message and a second message to be transmitted to an external electronic device, generating, by at least one processor, a combined message including both the first message and the second message, and transmitting, by a transmission/reception module, the combined message to the external electronic device.

Apparatus and method for transmitting and receiving message

Disclosed is a serializer, which includes a data signal alignment unit aligning a plurality of data signals with a predetermined phase interval, a transition detection unit detecting a transition of a logic level among the aligned data signals to generate a toggle signal at a transition of the logic level, and a toggle signal conversion unit converting the toggle signal into a serial data signal obtained by serializing the data signals.

Serializer and data transmitter comprising the same

An apparatus and a method for providing a video telephony service in a mobile communication terminal are provided. The apparatus for providing the video telephony service in the mobile communication terminal includes a controlling unit for receiving preferred video format information from a peer mobile communication terminal during a signaling procedure with the peer mobile communication terminal for the video telephony service and for determining a video format to use in the video telephony service using the received preferred video format, and a video codec for encoding and decoding video data that is transmitted to and received from the peer mobile communication terminal, using the determined video format.

Apparatus and method for providing video telephony service in mobile communication terminal

A clock and data recovery device is provided which includes a phase detector, a charge pump unit, a loop filter unit, and a voltage controlled oscillator. The phase detector detects a phase of a data clock signal to output a comparison signal. The charge pump unit adjusts the amount of charges to be supplied according to the comparison signal. The loop filter unit accumulates the amount of charges to be supplied to output an adjustment signal. The voltage controlled oscillator generates an output clock signal variable according to the adjustment signal. The phase detector compares phases of the data clock signal and each of modulated clock signals sequentially received to output the comparison signal. The modulated clock signals are signals modulated from the output clock signal to have different phases.

Clock and data recovery device

The inventive concept relates to a supply regulated voltage controlled oscillator having a function of an active loop filter by sharing one operational amplifier without additional use of active elements in a supply regulated voltage controlled oscillator using an operational amplifier as a supply regulator, and a phase locked loop using the same.

Supply regulated voltage controlled oscillator including active loop filter and phase locked loop using the same

A video telephony system and a control method thereof are provided. The video telephony system includes a first mobile communication terminal and a second mobile communication terminal, wherein, during a video telephone call connection, the first mobile communication terminal receives a command from a user and sends the received command to the second mobile communication terminal and wherein the second mobile communication terminal executes the command received from the first mobile communication terminal and reconfigures multi-media data transmitted to the first mobile communication terminal.

Video telephony system and control method thereof

A duty cycle correcting device is provided which includes a pulse width adjusting unit which adjusts a pulse width of an input signal according to a pulse width control code; a comparison unit which compares an output signal of the pulse width control unit with a plurality of reference voltages; and a control unit which selects one of a plurality of pulse width control codes based on comparison data from the comparison unit and provides the selected pulse width control code to the pulse width adjusting unit.

Device and method for correcting duty cycle, and receiver including the same

A deblocking filter includes a color resolution expansion unit, an edge filtering unit and a color resolution contraction unit. The color resolution expansion unit increases a color resolution of input video data to generate first video data. The edge filtering unit performs a blurring operation on a block edge of the first video data based on block size information to generate second video data. The color resolution contraction unit reduces a color resolution of the second video data to generate output video data, a color resolution of the output video data being the same as the color resolution of the input video data.

Deblocking filter and display device having the same

Provided is a video telephony apparatus and method for mobile terminals. The video telephony apparatus includes a controller, a display unit, a codec, and a content controller. The controller exchanges protocol signals for a video call with the other party terminal, and demultiplexes a moving image and a voice that are received from the other party terminal. The display unit displays the received moving image, and the codec plays the received voice. The content controller manages Right Objects (ROs) of multimedia contents received from the other party terminal, and captures the displayed moving image and the played voice according to the ROs. Accordingly, it is possible to protect portrait rights during the video call.

Video telephony apparatus and method for mobile terminal

A method and apparatus for Video Telephony (VT) based on the radio signal strength in a radio terminal are provided. The method includes performing a signaling process for the VT, determining audio/video codecs to be used in the VT by considering the radio signal strength during the signaling process, performing the VT, and reconfiguring the audio/video codecs to be used in a VT process by considering the radio signal strength during the VT.

Apparatus and method for improving video telephony quality using metadata based on radio signal strength

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Seoul, South Korea

Woo-Young Choi