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7515211 |
Video signal processing circuit, video signal display apparatus, and video signal recording apparatus
A video signal processing circuit that uses a prescribed clock signal to process a digitized composite video signal. A clock generating means ( 2 ) generates the prescribed clock signal; a burst...
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7508451 |
Phase-noise mitigation in an integrated analog video receiver
Phase noise mitigation in an analog video receiver implemented in an integrated circuit device. A phase correction value that indicates a phase offset between a synthesized sinusoid and a reference...
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7503535 |
Mounting bracket for detachable holding of a cylindrical tank
A bracket for holding of cylindrical tanks such as emergency breathing tanks adjacent to a wall surface or behind a seat surface in a detachable manner with positive engagement released by an...
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7489338 |
Automatic color-sync polarity control
A system and method for automatically controlling color synchronization polarity during video decoding. Various aspects of the present invention may comprise at least one module that is adapted to...
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7425991 |
System and method for determining video subcarrier phase
A system and method for determining phase of a subcarrier (e.g., a jittering video subcarrier). Various aspects of the present invention may comprise determining at least one weighting factor...
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7391472 |
System and method for adaptive color burst phase correction
We describe and claim an adaptive color burst phase correction system and method. The adaptive color burst phase correction system includes a signal detector to extract a color burst from a video...
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7339628 |
Method and apparatus to improve decoding of composite video signals
Video decoder systems in which both the analog-to-digital converter and the composite decoder are driven by the stable sample clock, such as a crystal source. The outputs of the composite decoder...
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7330217 |
Chroma phase error correction circuitry and methods and systems utilizing the same
Chrominance phase error correction circuitry includes a demodulator for demodulating a received video color burst signal into first and second demodulated signals and signal generation circuitry...
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7321397 |
Composite color frame identifier system and method
A color frame identifier circuit generates a pseudo-subcarrier signal and compares the pseudo-subcarrier signal to a sliced color burst of at least one selected line in a video frame. Based on this...
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7298916 |
Image signal processing apparatus and method
When performing A/D conversion on image signals, when reducing noise that is caused by jitter by adjusting the phase of the sampling clocks, even if the input waveform has considerable waveform...
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7277133 |
Adjusting pixel clock
A pixel clock frequency is adjusted in response to periodically monitoring the relative positions between a video signal to be displayed and a video signal captured. Image shear of the display...
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7268825 |
Digital synchronizing generator
A sync generator (genlock) ( 10 ) for frequency and phase locking an incoming video signal to a system clock ( 12 ) includes a digitizer ( 16, 22 ) for digitizing the incoming video signal to yield...
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7239341 |
Vector waveform rotation device
A vector waveform rotation device ( 60 ) for rotating a vector waveform displayed on a vector comprises rotation amount setting means ( 5 ′) for holding a rotation amount α, and means ( 6 ′)...
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7224407 |
Color demodulation device, color demodulation method and image display device
A color demodualation device having an AD converter, a phase signal generator, a burst data generator and a multiplier. The AD converter produces digital samples of chrominance signal at a...
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7167208 |
Digital broadcasting receiver and method for compensating color reproduction error of the same
Digital broadcasting receiver, and method for compensating a color reproduction error therein, the digital broadcasting receiver including a channel decoder, a TP part for demultiplexing a TP...
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7092042 |
Broadcasting receiver
A PLL circuit compares a PCR with the output frequency of a voltage controlled oscillator (VCO), and returns a voltage value which is the result of the comparison to the VCO, so that a reference...
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7080169 |
Receiving data from interleaved multiple concurrent transactions in a FIFO memory having programmable buffer zones
A FIFO memory receives data transfer requests before data is stored in the FIFO memory. Multiple concurrent data transfers, delivered to the FIFO memory as interleaved multiple concurrent...
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7061541 |
Apparatus and method for compensating a color carrier of an image signal
An apparatus to compensate a color carrier in an image processing system to convert an input analog image signal into a digital image signal includes a detector, a phase-locked loop unit, a...
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6947095 |
Broadcast data receiver and method of use thereof
A broadcast data receiver (BDR) is provided and a method of using the BDR for the production of a pseudo stable reference control for the reliable generation of composite video signals. The BDR...
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6839092 |
Feed forward error correction in video decoder
In accordance with an embodiment of the present invention a microprocessor in the horizontal phased lock loop reads the horizontal timing with respect to the sync input and provides an increment...
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6833875 |
Multi-standard video decoder
A video decoder for decoding a composite video signal. The decoder includes an analog-to-digital converter (ADC), an input resampler, and a Y/C separator, all coupled in series. The ADC receives...
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6826247 |
Digital phase lock loop
A system includes a digital phase lock loop (PLL) constructed from an all digital circuit implementation and standard cell construction. The digital PLL includes a digital frequency synthesizer and...
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6753924 |
Oscillation signal processing apparatus, television apparatus and oscillation signal processing control method
In a conventional construction to obtain a reference signal for a tuner and a subcarrier for color difference signal demodulation by only one quartz oscillator, the reference signal is unstable due...
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6741289 |
Technique to stabilize the chrominance subcarrier generation in a line-locked digital video system
A technique to stabilize subcarrier generation in a line-locked digital video system, caused by simultaneous locking of the genlock device causing continuous changing of a shared clock signal, by...
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6538702 |
Digital color signal reproducing circuit
A color signal reproducing circuit having A/D converter 101 , sync separator 102 , YC separator 103 , gain controller 105 , multipliers 106 and 107 , low-pass filters 108 and 109 ,...
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6429901 |
PLL circuit and phase lock detector
A PLL circuit which outputs an oscillation clock signal synchronous with a reference clock includes a phase lock detector for detecting if the oscillation lock signal is synchronous with the...
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6392715 |
UHF/VHF turner
There is provided a UHF/VHF tuner in which complication in structure and increase in manufacturing costs are suppressed and broadcast receiving performance is improved by reducing variation in the...
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6380980 |
Method and apparatus for recovering video color subcarrier signal
An embodiment of the present invention provides a signal generator for generating a signal with a predetermined frequency. The signal generator includes a first comparator for generating a first...
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6351289 |
Method and apparatus that generates VBI data coding waveforms
An apparatus and method is provided for generating VBI data coding waveforms. The present invention utilizes a single look-up table that stores sampled values of sine waves in direct waveform...
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6330034 |
Color phase-locked loop for video decoder
A microprocessor controlled color phase locked loop is provided which provides flexibility and adaptability for different television standards and sampling rates. Color burst phase error and color...
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6310653 |
Phase comparison and phase adjustment for synchronization to a reference signal that is asynchronous with respect to a digital sampling clock
A periodic multi-bit digital signal is synthesized having a frequency that is specified by the frequency of a periodic reference signal that is asynchronous with respect to a sampling clock of the...
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6275265 |
Video signal synchronizing apparatus
An apparatus for performing a generator locking for a video signal including a first video processing circuit for processing an input video signal, an expansion module having a second video...
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6271879 |
Controlling and detecting alignment of composite video color frames
An apparatus and method for controlling and detecting the alignment of a color frame phase from a composite analog video signal decodes the composite analog video signal to produce a component...
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6262695 |
Method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith
A method and apparatus for phase-locking a plurality of display devices and multi-level driver for use therewith. Each of the display devices displays an image under the control of a distinct clock...
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6246440 |
Circuit for generating a reference signal
A compact, inexpensive circuit for generating several stable reference signals from several burst signals is provided. The circuit comprises a first oscillator using a quartz oscillator; a second...
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6219485 |
Method and apparatus for automatically adjusting the amplitude of a color burst signal
A novel method effectively adjusts the amplitude of a color burst signal in a chrominance of a composite video signal read by a reproducing head from a magnetic tape. A low pass filtered...
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6172713 |
Color television system determination circuit
A color system determination circuit for use with an input video signal having a frequency component is disclosed. The circuit includes a color trap filter for attenuating the frequency component...
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6133958 |
Broadcast video desynchronizer
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6094236 |
Tuner circuit
A tuner circuit comprising a first frequency conversion means 14 for converting a high frequency input signal into a first intermediate frequency signal according to a first local oscillation...
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6084539 |
Digital to analog converter
An analog signal, for example, a video signal is divided into a high frequency signal and a low frequency signal by a high-pass filter and a low-pass filter. A high speed analog-to-digital...
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6046776 |
Burst gate pulse generator
A burst gate pulse generator generates a burst gate signal representative of a time period during which a burst signal is present within an input composite video signal. Each period of the input...
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6043850 |
Burst gate pulse generator circuit
A burst gate pulse generator circuit generates a burst gate pulse signal representative of a time period during which a burst signal is present within a composite video signal without requiring...
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6034735 |
Clock generator for digital video signal processing apparatus
A clock generation circuit for a digital video processing apparatus which has a simple structure and can be stably worked in both luminance and color signal systems. A color burst phase error...
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6014176 |
Automatic phase control apparatus for phase locking the chroma burst of analog and digital video data using a numerically controlled oscillator
A video/graphics overlay integrated circuit receives an analog composite video signal and a digital composite video signal and combines them in a predetermined format into an output composite video...
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6008859 |
Image data processing apparatus
An image data processing apparatus is described that prevents the period of a horizontal timing signal from being shifted. The apparatus includes a separator, a phase-locked loop, a detector, a...
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5982451 |
Video signal level detector
A video signal level detector is configured to avoid the erroneous recognition of channels adjacent to normal channels as those which are to be stored during performance of an automatic channel...
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5978038 |
Image information processing apparatus using single phase-locked loop
An image information processing apparatus is described that suppresses noise generated in digital signal processing while preventing the circuit scale from enlarging. The apparatus includes a...
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5940137 |
Symbol timing generation and recovery for data transmission in an analog video signal
A video transmission system and method including a technique for deriving clock information in a receiver from a transmitted analog video signal to decipher digital data encoded on the video...
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5907355 |
Solid state color image pickup apparatus
A solid state color image pickup apparatus easily converts an output from a solid state image sensor to a television signal with a simple structure, thereby facilitating the reduction of the size,...
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5896180 |
Phase-locked loop circuit for generating stable clock signal for use in regeneration of picture signal
A phase-locked loop circuit generates a clock signal synchronized with a color burst signal contained in a composite color picture signal. The phase-locked loop circuit contains a phase...
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