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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Hwang; Dae Hwan
Address:
Daejeon, KR
No. of patents:
22
Patents:












Patent Number Title Of Patent Date Issued
8271204 Human recognition apparatus and human recognition method September 18, 2012
Provided are a human recognition apparatus and a human recognition method identifying a user based on a walking pattern. The human recognition apparatus includes a detecting unit detecting a vibration according to a user's walking, and outputting an electric signal, a pattern calculating
8259629 System and method for transmitting and receiving wideband speech signals with a synthesized sign September 4, 2012
A system for transmitting and receiving a wideband speech signal includes an A/D converter for receiving an analog speech signal to convert it into a digital speech signal, encoding a difference between a baseband speech signal and a standard baseband between a synthesized standard baseb
8254715 Method and apparatus of detecting image objects August 28, 2012
An image object detection apparatus includes a noise filtering block for removing image noise an input image, an image scaling block for scaling the noise-removed input image to produce a scaled input image, an image conversion block for dividing the scaled input image into multiple
8243124 Face detection apparatus and distance measurement method using the same August 14, 2012
Provided are a face detection apparatus and a distance measurement method using the same. The face detection apparatus detects a face using left and right images which are acquired from a stereo camera. The face detection apparatus measures distance from the stereo camera to the face
8208716 Stereo vision system and stereo vision processing method June 26, 2012
A stereo vision system includes an image pre-processing unit for pre-processing the right and left images, and a stereo matching unit for carrying out stereo matching of the right and left images to acquire low-resolution distance information of the right and left images and high-res
8199729 Media access control apparatus and method for guaranteeing quality of service in wireless LAN June 12, 2012
A media access control (MAC) apparatus and corresponding methods for guaranteeing quality-of-service in a wireless local area network (LAN) are presented. The MAC method includes the steps of extracting, performing, determining, a first transmitting step, and a second transmitting st
8098276 Stereo vision system and control method thereof January 17, 2012
Provided are a stereo vision system and a control method thereof. A stereo vision system includes an image information extracting unit receiving left and right images of the left and right stereo cameras to extract color information for a brightness control of the images from the rec
8055499 Transmitter and receiver for speech coding and decoding by using additional bit allocation metho November 8, 2011
The present invention relates to a transmitter and a receiver for speech coding and decoding by using an additional bit allocation method. The transmitter and the receiver according to the present invention realize a voice communication service of high quality by using additional bits
7860711 Transmitter and receiver for speech coding and decoding by using additional bit allocation metho December 28, 2010
The present invention relates to a transmitter and a receiver for speech coding and decoding by using an additional bit allocation method. The transmitter and the receiver according to the present invention realize a voice communication service of high quality by using additional bits
7649856 System and method for transmitting and receiving wideband speech signals January 19, 2010
The system for transmitting and receiving a wideband speech signal includes an A/D converter for receiving an analog speech signal to convert it into a digital speech signal, a transmitter analysis filter for receiving the digital speech signal and dividing it into a baseband signal
7616612 Media access control apparatus and method for guaranteeing quality of service in wireless LAN November 10, 2009
A media access control (MAC) apparatus and corresponding methods for guaranteeing quality-of-service in a wireless local area network (LAN) are presented. The MAC method includes the steps of extracting, performing, determining, a first transmitting step, and a second transmitting st
7599306 Media access controller October 6, 2009
The present invention relates to a media access controller, and more particularly, to a media access controller which can adjust operational parameters according to a setting environment of a packet transmission system by re-setting the operational parameters of the media access cont
7522583 Communication terminal for wire and wireless internet phone April 21, 2009
Disclosed is a communication terminal for a wire and wireless network phone which comprises: a communication service controller, including a RISC processor, for processing protocols that satisfy respective communication interfaces in hardware and software manners; a reset unit for ap
7489666 Media access control apparatus and method for guaranteeing quality of service in wireless LAN February 10, 2009
The present invention relates to a media access control (MAC) apparatus and method for guaranteeing quality-of-service in a wireless local area network (LAN). The MAC method comprises: extracting a user priority from a frame received from an upper layer and separately storing a voice fra
7468592 Apparatus for moving center of gravity of robot, and system and method using the same December 23, 2008
An apparatus for moving the center of gravity of a robot, and a system and method using the apparatus are provided. The apparatus includes a weight conveyor with a conveyed weight weighing a predetermined amount and disposed within the main body of the robot. The conveyed weight is c
7457744 Method of estimating pitch by using ratio of maximum peak to candidate for maximum of autocorrel November 25, 2008
A device and a method for estimating an open-loop pitch in a general speech CODEC are disclosed. The open-loop pitch estimation device includes an autocorrelation function calculation unit which calculates a normalized autocorrelation function from a perceptual weighing filtered spee
7436913 Automatic gain control apparatus October 14, 2008
The present invention relates an automatic gain control device, which performs a high-speed gain control operation in high-speed data communication using burst signals, generates a gain code without using a memory or storage device to simplify a system configuration, and establishes
7346503 Transmitter and receiver for speech coding and decoding by using additional bit allocation metho March 18, 2008
The present invention relates to a transmitter and a receiver for speech coding and decoding by using an additional bit allocation method. The transmitter and the receiver according to the present invention realize a voice communication service of high quality by using additional bits
7302385 Speech restoration system and method for concealing packet losses November 27, 2007
Provided are a speech restoration system and method for concealing packet losses. The system includes a demultiplexer that demultiplexes an input bit stream and divides the input bit stream into several packets; a packet loss concealing unit that produces and outputs a linear spectrum
7296186 System-on-chip development apparatus for wire and wireless internet phone November 13, 2007
The present invention is directed to a system-on-chip development apparatus for wire/wireless Internet telephone. The system-on-chip development apparatus for wire/wireless Internet telephone according to the present invention adds functions indispensable to a RISC core, constructs a
6069669 Video window control apparatus and method thereof May 30, 2000
An improved video window control apparatus and a method thereof which are capable of generating a plurality of video windows on a television or a computer monitor, controlling the size and position thereof, and providing a video window overlap function and a picture-in-picture function. The
6058122 Device for splitting a screen in MPEG image signals at a completely compressed domain and the me May 2, 2000
The invention provides a method of multiplexing moving pictures fed from a plurality of multimedia communication terminals through broadband Integrated Service Distance Network (B-ISDN) and displaying a multiplexed moving picture on a display unit of the plurality of terminals, which










 
 
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