Patent application number | Description | Published |
20100046581 | ULTRA-WIDEBAND PULSE GENERATOR AND METHOD THEREOF - Provided is an ultra-wideband pulse generator using a digital scheme. The ultra-wideband pulse generator and a method for generating an ultra-wideband pulse therein can easily generate various ultra-wideband pulses having a random center frequency and bandwidth according to digital control schemes in a pulse-based ultra-wideband wireless communication system. The ultra-wideband pulse generator includes: a pulse waveform converting block for converting digital pulse waveform information on a desired ultra-wideband pulse into pulse waveform information having positive and negative signs; an unit pulse generating block for multiplying the converted pulse waveform information by a preset short-width pulse and amplifying the resulting pulses according to gain information of the desired ultra-wideband pulse; a pulse waveform arranging block for arranging the amplified pulses at predetermined delayed intervals; and a pulse waveform shaping block for summing the arranged pulses into a single pulse and integrating the single pulse to output the desired ultra-wideband pulse. | 02-25-2010 |
20100046599 | APPARATUS AND METHOD FOR ACQUIRING INITIAL COEFFICIENT OF DECISION FEEDBACK EQUALIZER USING FAST FOURIER TRANSFORM - Provided is an apparatus and method for acquiring an initial coefficient of a DFE using an FFT. The apparatus includes a channel impulse response estimating unit for estimating a non-causal impulse response by delaying a received signal of a time domain and transforming it into frequency domain signals; a feedforward filter coefficient acquisition unit for extracting a predetermined number of signals from the non-causal channel impulse response signals estimated by the channel impulse response estimating unit, and transforming the same into frequency domain signals to acquire an initial coefficient of a feedforward filter; and a feedback filter coefficient acquisition unit for transforming the non-causal channel impulse response signals estimated by the channel impulse response estimating unit into frequency domain signals, multiplying the same by the initial coefficient of the feedforward filter, and transforming the results of multiplication into time domain signals to calculate an initial coefficient of a feedback filter. | 02-25-2010 |
20100268745 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS USING SENSORY DEVICE CAPABILITY METADATA - Provided is a method and apparatus for representing sensory effect. The method includes: receiving capability information for sensory device; and generating sensory device capability metadata including the capability information. The sensory device capability metadata comprises light capability type information, flash capability type information, heating capability type information, cooling capability type information, wind capability type information, vibration capability type information, scent capability type information, fog capability type information, sprayer capability type information, and rigid body motion capability type information. | 10-21-2010 |
20100274817 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS USING USER'S SENSORY EFFECT PREFERENCE METADATA - Provided is a method and apparatus for representing sensory effect. The method includes: receiving preference information for predetermined sensory effect from a user; and generating user's sensory effects preference metadata including the preference information. The user's sensory effects preference metadata comprises light preference type information, flash preference type information, heating preference type information, cooling preference type information, wind preference type information, vibration preference type information, scent preference type information, fog preference type information, sprayer preference type information, and rigid body motion preference type information. | 10-28-2010 |
20100275235 | SENSORY EFFECT MEDIA GENERATING AND CONSUMING METHOD AND APPARATUS THEREOF - Provided is a method and apparatus for generating and consuming sensory effect media. The method for generating sensory effect media includes receiving sensory effect information about sensory effects that are applied to media, and generating sensory effect metadata including the received sensory effect information. | 10-28-2010 |
20100277357 | ANALOG-TO-DIGITAL CONVERTER - Provided is an analog-to-digital converter. The analog-to-digital converter includes a resistor string for generating a plurality of reference voltages; a plurality of differential difference amplifiers for detecting zero-crossing points according to interpolation by using the plurality of reference voltages and input signals; and a plurality of comparators for receiving outputs of the plurality of differential difference amplifiers, detecting zero-crossing points according to 4X interpolation, and generating a digital code corresponding to the input signals. | 11-04-2010 |
20110125787 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS AND COMPUTER READABLE RECORDING MEDIUM STORING USER SENSORY PREFERENCE METADATA - Provided are method and apparatus for representing sensory effects, and a computer readable recording medium storing user sensory preference metadata. A method for providing user preference information includes: receiving preference information for predetermined sensory effects from a user; and generating user sensory preference metadata including the received preference information, wherein the user sensory preference metadata includes personal preference information that describes the preference information. | 05-26-2011 |
20110125788 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS AND COMPUTER READABLE RECORDING MEDIUM STORING SENSORY DEVICE CAPABILITY METADATA - Provided are method and apparatus for representing sensory effects, and a computer readable recording medium storing sensory device capability metadata. A method for providing sensory device capability information includes: obtaining capability information for sensory devices; and generating sensory device capability metadata including the capability information, wherein the sensory device capability metadata includes device capability information that describes the capability information. | 05-26-2011 |
20110125789 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS AND COMPUTER READABLE RECORDING MEDIUM STORING SENSORY DEVICE COMMAND METADATA - Provided are method and apparatus for representing sensory effects, and a computer readable recording medium storing sensory device command metadata. A method for representing sensory effects, includes: receiving sensory effect metadata including sensory effect information; obtaining the sensory effect information by analyzing the sensory effect metadata; and generating sensory device command metadata for controlling sensory devices corresponding to the sensory effect information, wherein the sensory device command metadata includes sensory device command description information for controlling the sensory devices. | 05-26-2011 |
20110125790 | METHOD AND APPARATUS FOR REPRESENTING SENSORY EFFECTS AND COMPUTER READABLE RECORDING MEDIUM STORING SENSORY EFFECT METADATA - Provided are method and apparatus for representing sensory effects, and a computer readable recording medium storing sensory effect metadata. A method for generating sensory effect media, includes: receiving sensory effect information about sensory effects applied to media; and generating sensory effect metadata including the received sensory effect information, wherein the sensory effect metadata includes sensory effect description information for describing the sensory effects and the sensory effect description information includes media location information that describes locations in the media where the sensory effects are applied to. | 05-26-2011 |
20110188832 | METHOD AND DEVICE FOR REALISING SENSORY EFFECTS - Provided is a method and apparatus for generating sensory media. The method includes: generating sensory effect metadata (SEM) for a sensory effect which is applied to media; and outputting the SEM. The SEM includes sensory effect declaration information defining a sensory effect type other than a core sensory effect type and sensory effect representation information for representing the sensory effect. | 08-04-2011 |
20120281138 | SENSORY EFFECT MEDIA GENERATING AND CONSUMING METHOD AND APPARATUS THEREOF - Provided is a method and apparatus for generating and consuming sensory effect media. The method for generating sensory effect media includes receiving sensory effect information about sensory effects that are applied to media, and generating sensory effect metadata including the received sensory effect information. The sensory effect metadata includes effect description information for describing the sensory effects and device control description information for controlling devices that perform the sensory effects. | 11-08-2012 |