| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 348572000 | A/D converters | 49 |
| 20080225174 | INTERFERENCE AVOIDANCE IN A TELEVISION RECEIVER - Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals broadcast according to a variety of analog and digital broadcast standards. In particular, various embodiments are provided for avoiding interferers in a desired television channel signal and these embodiments generally include changing sampling rate, shifting certain oscillation frequencies or changing sampling rate and shifting certain oscillation frequencies. | 09-18-2008 |
| 20080225175 | METHOD AND APPARATUS FOR EXTRACTING A DESIRED TELEVISION SIGNAL FROM A WIDEBAND IF INPUT - Various embodiments are described herein for a universal television receiver that is capable of processing television channel signals, that are transmitted according to a variety of broadcast standards, to provide video and audio information for a desired television channel signal. The processing includes producing a coarse channel signal that includes a desired television channel signal and then applying resampling techniques to adjust a normalized bandwidth of the desired television channel signal to generally correspond to the normalized passband of a main filter that is used for each of the broadcast standards. | 09-18-2008 |
| 20080225176 | AUTOMATIC GAIN CONTROL SYSTEM - Various embodiments are described herein for automatic gain control techniques that can be used by a universal television receiver that is capable of processing television channel signals broadcast according to a variety of analog and digital broadcast standards. | 09-18-2008 |
| 20080252787 | ANALOG PROCESSING CIRCUIT, ANALOG INTEGRATED CIRCUIT DEVICE, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS - A first clamping unit clamps a base voltage of an input image signal to a predetermined reference voltage. A sampling-and-holding unit samples and holds the image signal after clamping or a reference signal that becomes the base voltage of the image signal. An amplifying unit amplifies the image signal sampled and held by the sampling-and-holding unit. An analog-to-digital converting unit converts the image signal after amplification into a digital image signal. A second clamping unit clamps the reference signal to a predetermined voltage. | 10-16-2008 |
| 20080259214 | VIDEO SIGNAL PROCESSING DEVICE, INTEGRATED CIRCUIT, AND IMAGING APPARATUS - Provided is a video signal processing device that can reduce power consumption within an analog signal processing unit not only during an invalid frame period of a video signal but also during a blanking period within a valid frame period, thus enabling further reduction of the power consumption. The video signal processing device that performs signal processing on an analog video signal inputted from outside includes: an analog signal processing unit including: a CDS/AGC unit that samples the analog video signal and amplifies the sampled analog video signal; and an AD converting unit that converts the resulting analog video signal from analog to digital, and a timing control unit that controls the analog signal processing unit to switch between an operating mode and a standby mode. | 10-23-2008 |
| 20080266457 | SCENE CHANGE DETECTION DEVICE, CODING DEVICE, AND SCENE CHANGE DETECTION METHOD - A scene change detection device according to the present invention includes an audio information determination part detecting silent state of audio signal to output silence detection time information, an image information determination part detecting brightness change or decreased level of brightness of an image in image signal to store scene change time information indicating time detecting the brightness change or decreased level of brightness, a scene change candidate point detector outputting scene change candidate time based on the silence detection time information and the scene change time information, and an output determination part outputting scene change detection information based on time difference between successive first scene change candidate time and second scene change candidate time and a detection maximum value. | 10-30-2008 |
| 20080316361 | PICTURE SIGNAL PROCESSING DEVICE AND PICTURE SIGNAL PROCESSING METHOD - A picture signal processing device includes an A/D conversion unit configured to convert an input analog picture signal into a digital picture signal; an automatic image correction unit configured to correct the digital picture signal from the A/D conversion unit; a narrowing-down unit configured to narrow down possible formats of the analog picture signal based on horizontal and vertical signal frequencies of the analog picture signal, horizontal and vertical synchronizing signal polarities and vertical line count; and an identification unit configured to identify the format of the input analog picture signal from among a plurality of narrowed-down candidate signal formats. | 12-25-2008 |
| 20090021643 | DIGITAL TELEVISION CHIP, SYSTEM AND METHOD THEREOF - A digital television chip having a reduced layout size is disclosed, comprising a multiplexer, and first and second converting units. The multiplexer, according to a control signal, outputs one of S-video signals SY and SC to the first converting unit, outputs the other of the S-video signals SY and SC to the second converting unit, outputs one of Tuner CVBS signals VIF and SIF to the first converting unit, outputs the other of the Tuner CVBS signals VIF and SIF to the second converting unit, or outputs a CVBS Line-in Video signal to one of the first and second converting units, for reducing the size of the chip. The first converting unit converts one of the S-video signals SY and SC, one of the Tuner CVBS signals VIF and SIF, or the CVBS Line-in Video signal into a first digital signal for signal processing. The second converting unit converts one of the S-video signals SY and SC, one of the Tuner CVBS signals VIF and SIF, or the CVBS Line-in Video signal into a second digital signal for signal processing. | 01-22-2009 |
| 20090027556 | CIRCUIT USED IN DIGITIZING ANALOG VIDEO FROM AN IMAGE PIXEL ARRAY - Disclosed herein is a camera system and camera controller having a modularized design. Camera control functions within the controller are distributed among a number of modules, each module performing a component task of controlling a camera. Individual modules can perform tasks such as generating clock signals, digitizing an analog video signal, and providing multiplexed digital video output. Modules communicate with each other over a common bus sufficient to carry the signals necessary to control the camera. The system implements a RAM-based digital sequencer that provides the capability of loading bit patterns into memory and using these patterns to generate waveforms for clocking a CCD. Clock and readout sequences can be composed in a high level language, compiled and uploaded into the controller. Adjustable clamp and sample signal delays used in digitizing an analog video signal provide the capability to optimize the performance of the system in a given application. | 01-29-2009 |
| 20090059075 | TV SIGNAL DETERMINING SYSTEM, TV SIGNAL PROCESSING SYSTEM UTILIZING WHICH AND METHOD THEREOF - A TV signal determining system utilized for determining a type of a TV signal includes: a detection unit, for utilizing a predetermined profile to detect if the TV signal has a signal segment corresponding to the predetermined profile to generate a detection result signal; and a determining unit, coupled to the detection unit, for determining the type of the TV signal according to the detection result signal. A TV signal processing system utilizing the TV signal determining system and a related method are also disclosed. | 03-05-2009 |
| 20090096926 | AUTOMATIC GAIN CONTROL CIRCUIT IN VIDEO SIGNAL PROCESSING DEVICE - In an automatic gain control circuit comprising a black level detecting unit which detects a black level from a video signal, a white level detecting unit which detects a white level from the video signal, and an analog-to-digital converter which adjusts a dynamic range of the video signal based on a difference value between the black level and the white level, a video signal for adjustment including a black level which indicates a minimum brightness of a video image and a white level which indicates a maximum brightness of the video image is input and the dynamic range is adjusted. | 04-16-2009 |
| 20090102974 | VIDEO TRANSMISSION SYSTEM - In transmission of video signals of a plurality of channels using a digital interface in conformity with the high definition multimedia interface (HDMI) standard, a transmission minimized differential signaling (TMDS) mixing circuit and a TMDS separation circuit are provided, to perform time-division transmission of TMDS data of the video signals of the plurality of channels at a frequency higher than the transmission rate of the video signals. Video signals of a plurality of channels are therefore transmitted via an inexpensive type A connector and cable. | 04-23-2009 |
| 20090115903 | AUDIO/VIDEO SEPARATOR - An audio/video separator provides a high-performance and cost-effective solution to analog TV reception with only one A/D converter and a minimum of analog IF components. The apparatus may operate on a digitized TV signal and, when integrated with a digital video processor, process video signals while separating audio signals. The resultant audio and video signals may be considered to have excellent signal quality due to highly optimized demodulation architecture and digital signal processing techniques on both audio and video data paths. | 05-07-2009 |
| 20090201425 | MULTISAMPLING WITH REDUCED BIT SAMPLES - A relatively non-complex signal processor supporting an active pixel sensor imaging system is disclosed. The signal processor only requires the first sample from a group of samples in a multiple sample to be transmitted to the signal processor at full resolution. The subsequent samples in that group can be transmitted using only a subset of least significant bits. The minimum number of required LSBs is based upon the level of noise in the system. In one embodiment, the number of LSBs transmitted is k+2 per sample, where k indicates the number bits corresponding to peak noise. In an alternative embodiment, each subsequent sample is transmitted using only k+1 bits. | 08-13-2009 |
| 20090244383 | Video receiving apparatus - A video receiving apparatus comprises a switch, an analog-to-digital converter (ADC), a video processing circuit and a decoder is provided. The ADC receives a first analog channel data from the switch within a plurality of first periods and receives a second analog channel data from the switch within a plurality of second periods, and output a digital video signal. The sampling frequency of the ADC is a plurality of times of a switching frequency of the switch. The video processing circuit includes a recovery circuit and a noise reduction circuit. The recovery circuit restores the digital video signal to a recovery video signal corresponding to a video format of the analog video signal. The noise reduction circuit reduces noises generated by the switch according to the digital video signal. The decoder outputs a display signal according to the analog video signal. | 10-01-2009 |
| 20090244384 | ANALOG TV BROADCAST SIGNAL RECEIVING APPARATUS AND ANALOG TV BROADCAST SIGNAL DEMODULATING APPARATUS - Disclosed herein is an analog television broadcast signal receiving apparatus including: a tuner section configured to convert an analog television broadcast signal into a predetermined intermediate frequency band signal; a demodulation circuit section configured to obtain a picture output signal and a sound intermediate frequency signal from the predetermined intermediate frequency band signal coming from the tuner section; a picture processing circuit section configured to convert the picture output signal into a display-ready picture signal; a sound demodulation processing circuit section configured to demodulate the sound intermediate frequency signal; and a control section. | 10-01-2009 |
| 20090262244 | PHASE DETERMINATION FOR RESAMPLING VIDEO - A method, and apparatus, and logic encoded in one or more computer-readable media to carry out a method. The method is to sample analog video at a sample clock rate and at a phase selected from a set of phases based on a quality measure determined from the sampled video. The quality measure is based on statistics of pixel to pixel differences in a coordinate of the generated digital video that have a magnitude exceeding a pre-determined threshold. | 10-22-2009 |
| 20090268094 | TELEVISION RECEIVING SYSTEM - A television receiving system is disclosed, comprising an input terminal, a down-converter, an amplifier, an analog-to-digital converter (ADC), a demodulator, and an isolation circuit. The input terminal receives an RF signal. The down*converter, coupled to the input terminal, converts the RF signal to an intermediate frequency (IF) signal. The amplifier, coupled to the down-converter, amplifies the IF signal. The analog-to-digital converter, coupled to the amplifier, converts the amplified IF signal to digital data. The demodulator, coupled to the ADC, processes the digital data to generate baseband data. The isolation circuit, coupled between the amplifier and ADC, isolates the amplified IF signal from being affected by interference induced by the ADC. | 10-29-2009 |
| 20090273714 | DIGITIZED ANALOG TV SIGNAL PROCESSING SYSTEM - A digitized analog television signal processing system is disclosed, comprising an analog-to-digital converter, a demodulation unit, a decoding unit, and a control unit. The analog-to-digital converter samples a television signal comprising a video signal. The demodulation unit demodulates the video signal. The decoding unit decodes the demodulated video signal. The control unit adjusts the demodulation unit according to a signal quality indicator generated during and/or after the decoding of the decoding unit. | 11-05-2009 |
| 20090290066 | SIGNAL ADJUSTING CIRCUIT AND VIDEO APPARATUS THEREOF - A signal adjusting circuit and a video apparatus thereof are provided. The signal adjusting circuit includes a delay unit, a minimum value acquisition device, and a first operating unit. The delay unit receives a digital signal and delays the digital signal for N periods to serve as a delay signal. The minimum value acquisition device receives the digital signal and acquires a minimum value of the digital signal in every N periods. The first operating unit is coupled to the delay unit and the minimum value acquisition device for operating the delay signal with the minimum value to obtain an adjusting signal. | 11-26-2009 |
| 20090322950 | Receiver device, tuner, and television receiver - A receiver device is provided singly capable of applying demodulator circuits with differing frequency characteristics with respective signals of desired frequencies for the demodulator circuits. The receiver device in accordance with the present invention switches between a mode in which a digital signal having a frequency suitable for various signal processes is supplied to a DA converter and a mode in which a digital signal for which the IF frequency is about 30 MHz to 60 MHz is supplied to the DA converter, by using a switch and a wire. | 12-31-2009 |
| 20100002143 | DISPLAY APPARATUS AND PHASE DETECTION METHOD THEREOF - A display apparatus including an analog-to-digital converter (ADC) module, a phase detecting module, and a clock generator is provided. The ADC module is used to receive a first analog video signal, and convert the first analog video signal into a digital signal according to a clock signal. The first analog video signal includes a first synchronous information and a first video information. The phase detecting module is used to receive the digital signal, and output a phase adjustment signal according to a part of the digital signal corresponding to the first synchronous information. The clock generator is used to output the clock signal according to the phase adjustment signal. | 01-07-2010 |
| 20100002144 | METHOD AND APPARATUS FOR PROCESSING SIGNALS - An integrated circuit device for processing a signal includes: a digital television (DTV) demodulator which receives and demodulates a modulated DTV signal, and outputs a demodulated DTV signal; an analog TV demodulator which receives and demodulates a modulated analog TV signal, and outputs a demodulated first analog TV signal; and a multiplexer which receives the demodulated DTV signal from the DTV demodulator and the demodulated first analog TV signal from the analog TV demodulator, and selectively outputs one of the demodulated DTV signal and the demodulated first analog TV signal. | 01-07-2010 |
| 20100007795 | System and Method for Clock Offset Detection - A system and method for detecting a sampling clock offset of an analog-to-digital converter used to digitize an analog image signal. A method comprises buffering samples of an analog image signal, computing a value of an autocorrelation function using the buffered samples and a delayed version of the buffered samples, and repeating the computing a value for delays in a range of delays. The method also comprises computing a sampling frequency offset from the values of the autocorrelation function and changing a sampling frequency using the sampling frequency offset. | 01-14-2010 |
| 20100085485 | DISPLAY SYSTEM FOR OUTPUTTING ANALOG AND DIGITAL SIGNALS TO A PLURALITY OF DISPLAY APPARATUSES, SYSTEM AND METHOD - There are provided a display apparatus, a display system and a display method. The display apparatus includes: a first input unit through which a first image signal having a first type is inputted; an image processing unit which processes the first image signal for display; a converting unit which converts the type of the first image signal into a second type different from the first type; and an output unit which outputs the first image signal converted into the second type to a next connected display apparatus. | 04-08-2010 |
| 20100149418 | VIDEO IMPROVEMENT PROCESSOR - A video device includes a video processor operable to upgrade a video image. The video device is capable of displaying video images. The video device includes a video input configured to receive a composite video signal. The composite video signal includes synchronization information, both vertical and horizontal, a luminance and a chrominance. The video device includes a video processor configured to separate the composite signal into separate paths. The video processor is configured to perform video functions on the separate paths individually and combine the separate paths to produce an upgraded video image. The video device also includes a video output configured to receive the upgraded video imaged from the video processor and output the upgraded video image to a display. | 06-17-2010 |
| 20100231794 | MULTIPLE DIGITAL SIGNALS FROM A SINGLE INTEGRATED CIRCUIT - Multiple digital signals from a single integrated circuit (IC) may be provided. The IC may receive an analog signal comprising a plurality of channels, convert the analog signal to a digital signal, and provide the digital signal to a plurality of digital channel tuners. The tuners may each select one of the plurality of channels and provide the selected channels as a plurality of digital output signals. A signal conditioner may be used to prepare the analog signal for digitization. | 09-16-2010 |
| 20100231795 | APPARATUS TO PROCESS SIGNAL OF DIGITAL INTERFACE AND METHOD THEREOF - A device and method of processing signals of a digital interface include the digital interface (e.g., HDMI) transmitting digital A/V signals through one cable such that compatibility between devices is improved and no load is applied to A/V operations. In order to distinguish a physical disconnection of an HDMI cable, prevent the occurrence of system load caused by a complicated control method, and solve software (S/W) operation errors caused by entanglement of wires, a signal processing device effectively decides transient statuses of HOT-PLUG and RSEN signals by detecting a signal level of a CEC line, and reduces system load caused by comparing the action of HOT-PLUG and RSEN transient statuses to the detected signal levels of one or more CEC lines. Therefore, the signal processing device increases stability of A/V operations (e.g., a media playback function) unique to a system, and removes complex and time consuming operations while being controlled, thereby increasing HDMI compatibility. | 09-16-2010 |
| 20100245669 | TECHNIQUE FOR EFFECTIVELY UTILIZING LIMITED BANDWIDTH OF A COMMUNICATIONS NETWORK TO DELIVER PROGRAMMING CONTENT - To effectively utilize the bandwidth of a cable TV network, which is limited, analog TV program material is digitized and compressed before its transmission over the network. The resulting signals consume only part of the analog TV band traditionally needed for transmission of the analog TV program material. The newly available bandwidth in the analog TV band may be utilized for other cable TV services, e.g., video-on-demand (VOD) services. A reception gateway is employed at a user location to frequency-translate any VOD signals, transmitted through the analog TV band, to another frequency band, thereby avoiding disturbing the normal operation of a set-top terminal in receiving the analog TV program material through the analog TV band at the user location. | 09-30-2010 |
| 20100271550 | CRT TO LCD CONVERSION - A method and apparatus are provided for providing a cockpit display in an aircraft. The method includes the steps of receiving a plurality of independent signals formatted for generating a cockpit image on a cathode ray tube of the aircraft, converting the received plurality of analog signals into an equivalent low voltage digital signal and displaying the cockpit image on a flat panel display of the aircraft using the equivalent low voltage digital signal. | 10-28-2010 |
| 20100321576 | Digitizer with Variable Sampling Clock and Method Using the Same - A digitizer includes an analog to digital converter (ADC), a sampling frequency generator, and a controller. The ADC samples an IF signal to generate a digital signal. The sampling frequency generator is connected to the ADC and provides a sampling clock of variable frequency to the ADC. The controller is connected to the sampling frequency generator and determines frequency of the sampling clock. | 12-23-2010 |
| 20100328534 | PORTABLE MEDIA ENCODER - A portable media encoder is disclosed. The portable media encoder comprises a video input port configured to receive a video input from a video source, an audio input port configured to receive an audio input from an audio source, and a digital output port for providing a digitized output stream corresponding to the received video input and audio input. The encoder has an encoding processor that converts the video input and the audio input into a streamable digital output format for transmitting through the digital output port, a set of control buttons communicatively coupled to the encoding processor and operable to provide encoding parameters to thereto, and a housing enclosing the encoding processor and providing at least one access panel providing user access to the video input port, the audio input port, the digital output port, and the set of control buttons. The housing having a size and configuration that allows the encoder to be hand carried by a single individual. | 12-30-2010 |
| 20110043700 | Method and Apparatus for Analog Graphics Sample Clock Frequency Offset Detection and Verification - A method and apparatus for an analog-to-digital video signal converter. The converter is controlled by a clock with controllable frequency and phase for sampling an analog signal. A circuit corrects the clock frequency using a period of a columnar frame differences as a function of columnar location. The sampling clock frequency is changed by an amount dependent on the period of the columnar differences. A second measure of the difference between successive frames is computed for a sequence of clock phases. The frequency of the clock is verified using a characteristic of the second measure. The characteristic can be the ratio of the maximum to the minimum of the second measure over selected clock phases. Other characteristics can be used such as a difference of a maximum and a minimum measure. | 02-24-2011 |
| 20110075034 | METHOD AND APPARATUS TO SUPPORT MULTI-CHANNEL RECEPTION - In accordance with various aspects of the disclosure, a method and apparatus for receiving multiple channels from a broadcast source and interfacing to multiple demodulators within a common silicon implementation is disclosed. A receiver apparatus is disclosed that may aggregate multiple channels output by multiple tuners into at least one composite signal. The at least one composite signal may be passed to a single ADC. The channels may then be extracted from the at least one composite signal in the digital domain prior to demodulation in separate demodulators. | 03-31-2011 |
| 20110149162 | TRANSMISSION SYSTEM, IMAGING APPARATUS, AND TRANSMISSION METHOD - Disclosed herein is a transmission system including a digital transmission path configured to transmit a digital video signal outputted from an imaging apparatus to a processing apparatus that executes one of processing and relaying of a video signal received from the imaging apparatus, an analog transmission path configured to transmit an analog reference signal outputted from the processing apparatus to the imaging apparatus, a command superposing block in the processing apparatus configured to superpose, at an analog level, each bit of command data for commanding the imaging apparatus in other than a section in which a synchronous signal component of the reference signal is included, a digital conversion block configured to digitally convert an analog-level signal of each bit of a command included in a reference signal received via the analog transmission path in the imaging apparatus, and an imaging control block configured to control an imaging operation. | 06-23-2011 |
| 20110234909 | RECEIVING DEVICE - According to one embodiment, a receiving device includes an amplifier for amplifying signals received from the outside, a decimation filter for decimating signals converted to digital signals, a channel selection filter for selecting a desired wave included in signals from the decimation filter, and a DAGC for amplifying the desired wave selected by the channel selection filter. | 09-29-2011 |
| 20110249184 | Apparatus and Method for Adaptive Filtering - An apparatus and a method for adaptive filtering includes an antenna that receives analog video broadcast signal data; an analog-to-digital converter coupled to the antenna and converting the received analog video broadcast signal data to digital video signal data; a frame buffer memory storing the digital video signal data; an instruction memory storing adaptive filtering instructions; and an adaptive filter coupled to the memory and the analog-to-digital converter, wherein the adaptive filter: reads the adaptive filter instructions from the memory; executes the adaptive filter instructions; averages an input pixel with a corresponding pixel stored in the frame buffer memory; calculates a forgetting factor for each pixel in the plurality of pixel values stored in the frame buffer memory; and filters noise from each pixel of the plurality of pixel values stored in the frame buffer memory based on the forgetting factor. | 10-13-2011 |
| 20110249185 | Apparatus and Method for Equalizing Analog TV Signals - An apparatus and method for equalizing analog TV signals includes an antenna that receives the signal data, wherein the signal data comprises a luminance carrier comprising a luminance channel and a chrominance carrier comprising a chrominance channel; an analog-to-digital converter coupled to receiving antenna that converts the received signal data to digital signal data; an instruction memory storing digital equalizer instructions; and a digital equalizer system, coupled to the memory and the analog-to-digital converter, wherein the digital equalizer system processes the digital equalizer instructions to estimate a noise variation of the luminance channel; equalize the luminance channel; and equalize the chrominance channel, wherein the equalization of the chrominance channel is separate and distinct from the equalization of the luminance channel. | 10-13-2011 |
| 20110273617 | OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device is capable of controlling a projector, wherein the projector is capable of wirelessly receiving an image signal from a data source, combining an identification signal into the image signal to generate a projection signal, and projecting a projection image according to the projection signal. The optical device includes an optical sensor. The optical sensor is capable of sensing the identification signal of the projection image, outputting a detection signal corresponding to the identification signal and wirelessly transmitting the detection signal to the projector. A projection system including a projector and an optical sensor is provided as well. | 11-10-2011 |
| 20120105726 | Analog Television Receiver - An analog television (TV) receiver converts a received analog TV signal to a digital TV signal and performs digital demodulation to increase demodulation efficiency. The analog TV receiver includes a radio frequency (RF) turner and an intermediate frequency (IF) circuit. The RF tuner converts the received analog RF TV signal to an analog IF TV signal. The IF circuit includes a converting circuit and a digital demodulator. The converting circuit converts the analog IF TV signal to a digital TV signal. The digital demodulator demodulates the digital TV signal to generate a digital demodulated video signal and a digital demodulated audio signal. | 05-03-2012 |
| 20120147271 | MULTIMEDIA I/O SYSTEM ARCHITECTURE FOR ADVANCED DIGITAL TELEVISION - Embodiments of the invention are generally directed to a multimedia I/O system architecture for advanced digital television. An embodiment of a multimedia system includes an I/O (input/output) control chip, the I/O control chip including one or more audio/video sub-processing engines for the processing of one or more data streams; a processing core chip for the processing of data, including audio/video data received from the I/O control chip; and one or more shared I/O channels for the transfer of data between the I/O control chip and the processing core chip. | 06-14-2012 |
| 20130016285 | LIGHT EMITTING ELEMENT DRIVER IC IMPLEMENTING GAMMA EXPANSION - Described herein are light emitting element driver integrated circuits (ICs), methods for use with light emitting element driver ICs, and projector systems that include a light emitting element driver IC. A light emitting element driver IC receives a color data word from the video processor IC. Starting with the color data word received from the video processor IC, the light emitting element driver IC performs a gamma expansion function to thereby produce a gamma expanded digital or analog signal. Additionally, the light emitting element driver IC outputs, in dependence on the generated gamma expanded digital or analog signal, a gamma expanded analog drive signal for driving the light emitting element. | 01-17-2013 |
| 20130162909 | ADAPTER - A television adapter includes first and second conversion circuits, a switch unit, and a high definition television (HDTV) interface. The first conversion circuit includes a digital to analog (D/A) converter and a coupler. The second conversion circuit includes an analog to digital (A/D) converter and a decoupler. When the switch unit connects the first conversion circuit to the HDTV interface, the D/A converter converts a first digital signal from the HDTV interface into a first analog form data. The coupler couples the first analog form data to a first alternating current (AC) voltage. When the switch unit connects the second conversion circuit to the HDTV interface, the decoupler decouples and separates a second AC voltage into a second analog form data. The A/D converter converts the second analog form data into a second digital signal, and outputs the second digital signal to the HDTV interface. | 06-27-2013 |
| 20130162910 | ADAPTER - A television adapter includes first and second conversion circuits, a switch unit, and a high-definition multimedia interface (HDMI). The first conversion circuit includes a digital to analog (D/A) converter and a coupler. The second conversion circuit includes an analog to digital (A/D) converter and a decoupler. When the switch unit connects the first conversion circuit to the first HDMI, the D/A converter converts a first digital signal from the HDMI into a first analog form data. The coupler couples the first analog form data to a first alternating current (AC) voltage. When the switch unit connects the second conversion circuit to a second HDMI, the decoupler decouples and separates a second AC voltage into a second analog form data. The A/D converter converts the second analog form data into a second digital signal, and outputs the second digital signal to the second HDMI. | 06-27-2013 |
| 20130222697 | Video Decoder Block - A video decoder block provides a common pathway for processing video signals encoded using different video formats. The video decoder block passes the video signals through the same processing components in order convert the signals to a common format for display or storage. Each processing component cat be disabled or by-passed to enable or disable the function performed by the component. This reduces the number of components and signal processors required in devices that need to accommodate signals of different formats. | 08-29-2013 |
| 20140055676 | DELTA-SIGMA A/D CONVERTER, LIMITER CIRCUIT AND TELEVISION RECEIVER - There is provided a delta-sigma A/D converter including a first integrator, a second integrator located on an output side of the first integrator, a quantizer located on an output side of the second integrator, and a first current D/A converter receiving an output of the quantizer and providing a negative feedback signal to an input side of the quantizer. | 02-27-2014 |
| 20150062435 | VIDEO SIGNAL PROCESSING DEVICE AND VIDEO SIGNAL PROCESSING METHOD - A video signal processing device may include a signal converter configured to generate a video output signal based on a video input signal and a reference signal, a reference signal generator configured to generate the reference signal. The reference signal may be adjusted to accommodate changes in the video input signal. | 03-05-2015 |
| 348573000 | Analog to binary | 1 |
| 20100201880 | SHOT SIZE IDENTIFYING APPARATUS AND METHOD, ELECTRONIC APPARATUS, AND COMPUTER PROGRAM - A shot size identifying device ( | 08-12-2010 |
| 348574000 | Including dither | 1 |
| 20110141365 | METHOD FOR DISPLAYING VIDEO SIGNAL DITHERED BY RELATED MASKS AND VIDEO DISPLAY APPARATUS APPLYING THE SAME - A method for displaying a video which is dithered using related masks and a video display apparatus applying the same, the video display apparatus dithering a video signal using a first mask, performing color-processing with respect to the video signal, and dithering the color-processed video signal using a second mask which is related to the first mask. Accordingly, dithering is performed using related masks, thus preventing poor gradation of video signal. | 06-16-2011 |
