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7554609 |
Method and apparatus for detecting and rejecting NTSC Interference in ATSC system
A method and apparatus for rejecting an interference signal from an input frequency spectrum. The method includes the steps of receiving the input signal; frequency-shifting the received input...
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7528844 |
Interpolation of plotted points between sample values
A video display for digitized video data interpolates values between time samples, such as luminance over a horizontal line or over an average of all the horizontal lines in a video signal, so as...
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7523241 |
Hot-plug signal detecting apparatus, source device and repeater device
There is provided a hot-plug signal detecting apparatus capable of surely detecting change of a hot plug signal without increasing load on a transmission processing unit. A hot plug signal from a...
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7369184 |
Digital broadcast receiving apparatus
In a digital broadcast receiving apparatus, when a power source operation input is done by a user during execution of a starting sequence, a control part stops the execution of the starting...
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7321399 |
Multiplexed analog-to-digital converter arrangement
A system such as an audio and/or video system includes a multiplexed analog-to-digital converter arrangement. The arrangement includes an ADC for converting first and second analog signals to first...
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7268831 |
Method and apparatus for isolating IIC bus noise from a tuner in a television receiver
A method and apparatus for isolating a noise intolerant device, e.g., a phase-lock loop of a tuner within a television receiver, from source of noise. In one embodiment, the apparatus isolates a...
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7221406 |
Data creation method and data transfer method and apparatus
A method of producing digital data, which comprises the steps of making first arrangements for 12-bit word digital data constituting a digital video signal, which include a frame rate of 24 Hz, 25...
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7154529 |
System and method for enabling a person to view images of the person wearing an accessory before purchasing the accessory
A personal optical viewer enables a person to view images of how the person looks wearing an accessory and compare images of how the customer looks wearing different accessories. A seller provides...
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7126646 |
Device and method for tracking phase error in digital TV receiver
Device and method for tracking a phase error in a digital TV receiver, wherein a phase noise compensated I signal is subtracted from I level reference signals of VSB signal, to obtain an error of...
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6995808 |
Television tuner
A front end tuner for receiving TV signals and the like includes a frequency conversion circuit including a mixer for beating a local signal with received signals within a predetermined band of...
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6950150 |
Method and a processor for processing two digital video signals clocked by respective clock signals of identical frequency but with a constant phase shift therebetween
A method and a processor for processing two digital video signals clocked by respective clock signals of identical frequency but with a constant phase shift therebetween. Standard definition and...
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RE38610 |
Host CPU independent video processing unit
The present invention relates to a video display processor comprised apparatus for receiving digital input signal components of a signal to be displayed, apparatus for converting the components to...
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RE38456 |
Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers
A radio receiver uses the same tuner for receiving a selected digital television (DTV) signal, irrespective of whether it is a quadrature-amplitude-modulation (QAM) or a vestigial sideband (VSB)...
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6693678 |
Data bus driver having first and second operating modes for coupling data to the bus at first and second rates
Information is coupled to a data bus such as an I 2 C data bus using a push-pull circuit. The push-pull circuit provides for communicating on the data bus at two different data rates. The push-pull...
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6469748 |
Video signal capturing apparatus
In a video signal capturing apparatus with a simple construction capable of distinguishing fields in units of a color field, a separation circuit separates from input video signals, vertical...
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6360195 |
Television or radio control system development
A digital television satellite or cable system broadcasts to receiver/decoders which also receive control information (control programs, i.e. applications) to allow such tasks as reviewing...
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6317162 |
Digital television receiver including non-volatile memory
A digital television receiver comprises first program rewriting unit for downloading a program sent by broadcasting to rewrite the contents of a first non-volatile memory, an electrically...
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6307598 |
Plural-conversion TV receiver converting 1st I-F to 2nd I-F using oscillations of fixed frequency above 1st I-F.
Plural-conversion radio receivers for receiving DTV signals, in accordance with the Advanced Television Systems Committee (ATSC) standard, or analog TV, in accordance with the National Television...
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6215781 |
Video transmitting apparatus
A video transmitting apparatus having a plurality of transmission medium for transmitting multiplexed video information, a plurality of video information receiving units each connected to a...
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6211924 |
Decimation of baseband DTV signal prior to channel equalization in digital television signal receivers
A radio receiver uses the same tuner for receiving a selected digital television (DTV) signal, irrespective of whether it is a quadrature-amplitude-modulation (QAM) or a vestigial sideband (VSB)...
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6088393 |
Video signal processing
In a signal transmission chain containing, for example MPEG2 coders (12, 20, 28) and decoders (24, 30), an information channel extends throughout the signal chain. Signal processing elements in the...
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6005640 |
Multiple modulation format television signal receiver system
A television receiver for processing both analog television signals and digital television signals. Specifically, the television receiver contains a RF/IF front end, an analog-to-digital converter...
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5999231 |
Processing device for video signals
A processing device for video signals has a memory device suitable to store discrete image elements of a video field and a filtering device supplied by the memory device and suitable to recover...
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5995168 |
Digital video receiver
A video receiver includes a tuner, a QAM demodulator including a selective gated PLL carrier recovery circuit, and a digital equalizer. The selective gated PLL carrier recovery circuit has a normal...
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5995147 |
Communication method, transmission apparatus, transmission method, receiving apparatus and receiving method
A receiving process is realized with a simple configuration when a plurality of sources such as in the television broadcasting or the like are transmitted efficiently at the same time. A plurality...
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5909254 |
Digital image processor for color image transmission
A method and apparatus for increasing the processing speed or decreasing circuit complexity (or both) of a digital image processor by eliminating the conventional multiplication operation from the...
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5903313 |
Method and apparatus for adaptively performing motion compensation in a video processing apparatus
A method of adaptively performing motion compensation in a video processing apparatus is provided. The video processing apparatus processes macroblocks of compressed video information. Some of...
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5883614 |
Reflection type display utilizing charge coupled devices
A reflection type display device wherein the brightness of pixels is controlled by deflecting a reflecting surface corresponding to a pixel in the reflection type display device for a time...
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5872565 |
Real-time video processing system
A video processing system includes but structure, signal flow, and components to process and combine audio and video signals with improved power, cost-effectiveness, and flexibility. The system...
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RE36026 |
Programmable device for storing digital video lines
A programmable device for storing digital video lines, being of a type intended for use in TV sets with digital frame scan features whereby a video line is sample coded in a digital signal,...
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5841478 |
Code sequence detection in a trellis decoder
An adaptive trellis decoder seamlessly switches between multiple operational modes. The trellis decoder employs a code sequence detection system that detects codes in input interleaved packet data....
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5818542 |
Processing image data
Image data is processed in the form of digitized frames on a video clip. A first clip is received in combination with a second clip. Frames are alternately supplied from each of said clips to a...
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5805242 |
Carrier independent timing recovery system for a vestigial sideband modulated signal
A television signal receiver for processing an HDTV signal transmitted in a vestigial sideband (VSB) format includes input complex filters shared by a timing recovery network (30) and a carrier...
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5790556 |
Method and apparatus for video signal processing
A video signal is supplied from a digital VTR 1 and is encoded by an MPEG encoder 8. The encoded video signal is recorded as a compressed video signal in an HDD 9. A plurality of compressed video...
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5774192 |
Apparatus for recording/reproducing video data to/from a solid-state
Input image data and audio data divided into a plurality of portions are continuously recorded in a solid-state memory. When the audio data is to be reproduced in units of the portions, a...
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5768537 |
Scalable MPEG2 compliant video encoder
A scalable architecture MPEG2 compliant digital video encoder system having an I-frame only video encoder module with a Discrete Cosine Transform processor, a quantization unit, a variable length...
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5739873 |
Method and apparatus for processing components of a digital signal in the temporal and frequency regions
As processing a digital information signal (a digital video signal etc), the improvement in the accuracy of the signal process can be made by integrating the time region process and the frequency...
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5732164 |
Parallel video processor apparatus
Processing a moving image such that, after an input video signal is supplied to an image inputter, the image inputter time-divisionally converts the input video signal to a digital signal and...
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5729296 |
Bi-directional television format digital signal converter with improved luminance signal-to-noise ratio which changes the number of bits per byte
A television signal format converter is provided for converting without loss of picture information a television format to or from a given recorder/player format. An interface converts between RGB...
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5696559 |
Device for correcting DC of HDTV
This invention relates to a device for correcting DC of a HDTV, which can correct DC(Direct Current) that is liable to cause in mixers, base band amplifiers and ADC(Analog/Digital Converter) for a...
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5675832 |
Delay generator for reducing electromagnetic interference having plurality of delay paths and selecting one of the delay paths in consonance with a register value
It is an object of the present invention to restrict EMI radiation at a specific frequency by inserting a delay time that is effective for that frequency. The feature of the present invention is to...
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5675387 |
Method and apparatus for efficient addressing of DRAM in a video decompression processor
Pixel data is stored and subsequently read from a random access memory of a video decompression processor in a manner that reduces the number of times different rows of the RAM must be addressed in...
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5671020 |
Method and apparatus for improved video filter processing using efficient pixel register and data organization
A data register for providing data values to an n-element parallel processing array includes a memory buffer having first and second memory modules, where each module includes n columns of data...
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5613084 |
Interpolation filter selection circuit for sample rate conversion using phase quantization
A filter selector generates a filter address value to select one of a number of frequency characteristics of a filter to resample a first data signal from a first segment of data in order to...
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5587746 |
Image signal processor for obtaining digital image signals
An analog image signal is converted into a digital image signal which is in turn subjected to various types of processing procedures. The resulting digital image data is added to synchronizing data...
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5434629 |
Real-time line scan processor
A processor comprises a plurality of parallel channels having an upstream end and a downstream end, Each channel comprises a video data bus for continuously transferring video data from the...
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5335019 |
Digital video data quantization error detection as applied to intelligent dynamic companding
Under one embodiment, a first and a second similarly constituted detector, and an OR gate coupled to the two detectors, are provided to a digital video system. The first detector detects...
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5294984 |
Video signal processing system for producing intermediate pixel data from neighboring pixel data to improve image quality
A video signal processing system improves the image quality displayed in a CRT or printed by a video printer. In order to produce natural and fine video signals, pixel data corresponding to an...
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5264931 |
Television receiver utilizing digital signal processors adaptable to various television standards
An analog image signal output from a selector is converted to a digital image signal by an A/D converter, and input to an image signal processing apparatus comprising a plurality of digital signal...
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5253061 |
Method and apparatus for controlling television image processing based upon television program detection
A television image processing apparatus has a memory for storing television signals with respect to a predetermined frame image. The apparatus also has an arithmetic correlation circuit for...
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