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7535957 |
Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system
[Problems] To realize a reliable and stable transfer of digital data that does not require a reference clock and a handshake operation. [Means for Solving the Problem] The present invention...
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7483085 |
Digital implementation of analog TV receiver
An analog TV receiver implementation on DSP allows mobile platforms to view analog TV broadcasting on LCD displays. The analog television receiver includes a demodulator for demodulating a received...
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RE40412 |
Synchronizing signal separating apparatus and method
The present invention provides a synchronizing signal separation. In accordance with the present invention, a sync pulse processing circuitry slices a video signal and senses the peaks of the...
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RE40396 |
Method for detecting and separating vertical and horizonal synchronous signals from computer system
A method for detecting and separating vertical and horizontal synchronous signals from a computer system. The input forms of the vertical and horizontal synchronous signals from the computer system...
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7349032 |
Circuit to resize and enlarge an image signal and resizing and enlargement method for an image signal
The invention provides an image processing circuit having a capability of performing a reduction (resizing) process and an enlargement process on horizontal-scanning-line data inputted in...
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7199533 |
Convergence control apparatus for video display
A convergence control apparatus for a video display is provided. In the apparatus, a convergence controller receives a vertical synchronization signal and a horizontal synchronization signal and...
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7176979 |
Synchronization pulse detection circuit
A synchronization pulse detector includes an absolute value independent shape detector for processing samples of an input signal having a synchronization pulse and a plurality of...
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6870569 |
Integrated multilevel signal demultiplexor
An integrated circuit with a signal demultiplexor for separating out two signals of different magnitudes from within a multiplexed signal without requiring a large capacitance for signal filtering....
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6559891 |
Method and apparatus to generate tri-level HDTV synchronization pulses
An ITU-R BT.656 (or similar) digital video signal is converted to analog at which point a simple 7-state state machine in combination with a 6 bit binary counter generates tri-level synchronized...
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6456332 |
Device for generating sync signals of composite video signal
A device which generates horizontal and vertical sync signals of a composite signal to create a soft picture on a display monitor by preventing a free running effect of a composite signal which is...
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6392708 |
Horizontal display size compensation circuit for a monitor
A horizontal display size compensation circuit for a monitor prevents a horizontal display size of a monitor screen from being changed when a horizontal frequency varies according to a video mode....
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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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6369856 |
Synchronous signal detection circuit and method
A synchronous signal detection circuit which detect a vertical synchronous signal and a horizontal synchronous signal from composite synchronous signal, including: a reset generation means for...
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6271889 |
Synchronization pulse detection circuit
A synchronization pulse detector for detecting a synchronization pulse within an input signal. The input signal has "level" portions (i.e., substantially non-time varying portions) and "transition"...
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6226044 |
Field synchronization system and technique
A field synchronization system of a field detect circuit adaptable for use with non-standard output digital data of forward looking infrared (FLIR) sensors. Timing signals and digital data from a...
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6130719 |
Method and apparatus for accurately recovering the synchronization signals contained in composite video signals
A method of recovering synchronization signals contained in a composite video signal. The synchronization signals are generally represented by voltage levels less than the blanking level of the...
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6097440 |
Synchronous processing device
A synchronous control device is disclosed which is capable of obtaining stable synchronization regardless of the kind of image source even when the automatic synchronous control circuit cannot...
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6069667 |
Synchronizing signal detecting device
In a Sync signal detection circuit for detecting a Sync signal included in a television signal transmitted in a digital mode, pattern check means 2 checks a pattern of a Sync signal which is super...
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6064443 |
Method for detecting and separating vertical and horizontal synchronous signals from computer system
A method for detecting and separating vertical and horizontal synchronous signals from a computer system. The input forms of the vertical and horizontal synchronous signals from the computer system...
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5835154 |
Circuit arrangement for deriving pulses of horizontal and vertical frequency
A circuit arrangement for deriving horizontal frequency and vertical frequency pulses from a synchronizing signal, in which all clocked components are provided with the same clock during the...
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5818538 |
Sync on green signal separating circuit of an image output apparatus
A sync signal separating circuit of an image output apparatus includes an inversion amplifying section for providing a green video signal supplied from a video signal generator to be output as an...
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5774185 |
Method of and apparatus for removing equalizing pulses without using external pins
A circuit for removing every other equalizing pulse from a signal representing the sync pulses of a composite video signal, generates an output signal representative of every horizontal...
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5548191 |
Vertical deflection circuit for a television receiver
It is the object to create a vertical deflection circuit which is suitable, in particular, for a symmetric deflection with a sinusoidal deflection current and a free-running horizontal deflection...
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5485220 |
Sync stripper circuit
A sync stripper circuit receives from a medical imaging modality a composite video signal with a horizontal sync frequency within one of first, second, third or fourth frequency ranges. The sync...
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5469220 |
Vertical synchronizing circuit
A vertical sync signal circuit for producing a stable sync signal is disclosed. A first frequency divider and a first window circuit generate a sync output pulse PC having the same period as the...
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5432559 |
Self-adjusting window circuit with timing control
A self-adjusting window circuit suitable for fabrication as a monolithic integrated circuit. The self-adjusting window circuit comprises an input port, a positive edge detector coupled to the input...
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5420640 |
Memory efficient method and apparatus for sync detection
A receiver is provided for receiving a digital data stream over a communication path. The digital data is arranged as a sequence of frames, each frame including a plurality of lines of data. The...
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5414470 |
Sync signal generator for generating a second sync signal synchronized with a first sync signal
A sync signal generator of a television receiver for use in a vehicle has a phase reset detector for gradually absorbing a phase fluctuation of an input sync signal which occurs due to a ghost...
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5351093 |
Phase alternating line video signal processing apparatus
Signal processing apparatus comprises a chrominance subsampler (10) for sampling the U and V components of a PAL video signal in response to an enable signal. A counter (30) responsive to the...
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5309236 |
Video signal processing circuit of a broadcasting system
A single chip video signal processing circuit capable of performing a sync separation and odd/even field detection using an NTSC mode or a PAL mode video signal, the video signal processing circuit...
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5189515 |
Television synchronization signal separator
A television synchronization signal separator for a composite synchronizating signal, in which the horizontal synchronizing signal and the vertical synchronizing signals are derived and free from...
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5144432 |
Synchronizing circuit for an image pickup system
The horizontal synchronous signal and the vertical synchronous signal included in a composite synchronous signal which is output from one TV camera are separated from the composite synchronous...
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5097334 |
Synchronizing signal separator
A synchronizing signal separator in the circuit of a monitor selects between a composite synchronizing signal and a separate synchronizing signal under the control of a priority order stage, and it...
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4999708 |
Synchronous separation circuit
A synchronous separation circuit used in a television video circuit for generating a horizontal synchronizing signal and a vertical synchronizing signal from a composite synchronizing signal has: a...
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4970592 |
Horizontal synchronization, clock synchronization, D.C. restoration and gain control scheme for an analog TV system
An analog TV system includes a transmitter which produces a horizontal unique pulse sequence during each horizontal blanking interval. The pulse sequence is amplitude modulated between two levels...
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4894719 |
Synchronizing signal automatic selecting circuit
A synchronizing signal automatic selecting circuit comprising a signal inverter for inverting synchronizing signal from a synchronizing signal separating circuit, a synchronizing signal detector...
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4829377 |
Horizontal synchronization, clock synchronization, D. C. restoration and gain control scheme for an analog TV system
An analog TV system includes a transmitter which produces a horizontal unique pulse sequence during each horizontal blanking interval. The pulse sequence is amplitude modulated between two levels...
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4827341 |
Synchronizing signal generating circuit
A synchronizing signal generating circuit is incorporated in a digital image storing device. When a plurality of video signals composed of different numbers of scanning lines and issued from...
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4792852 |
Vertical synchronizing signal detection circuit
A vertical synchronizing signal detection circuit detects a vertical synchronizing signal from a television signal by detecting level of the television signal by sampling the television signal at a...
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4766506 |
Processing circuit for television sync signals produced from a recording medium for preforming a non-interlaced display
A television synchronizing signal processing circuit includes a reproduction/demodulation circuit for repetitively reading a video signal corresponding to one field from a video signal recording...
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4745477 |
Antijitter arrangement for synchronizing pulse separator
A synchronizing pulse separator for a video apparatus provides horizontal and vertical synchronizing pulses from a composite video signal. The sync separator incorporates a compensation circuit...
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4701796 |
Synchronization signal generating circuit
A circuit for generating vertical and horizontal sync signals suitable for a display which is driven by digital signals, e.g. a liquid crystal display panel of a television receiver, whereby purely...
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4680633 |
Circuit and method for producing accurate dc restored video waveform, horizontal sync pulses, and vertical sync pulses
A composite video signal is input to a DC restore circuit and a sync separator circuit, the output of which is connected to a sync decoder circuit. The DC restore circuit includes a negative...
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4675734 |
Sync pulse separator circuit
A universal synchronization pulse separator circuit operates to separate the horizontal and vertical synchornization pulse signals from a composite pulse synchronization signal which may have any...
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4675722 |
Apparatus for deriving synchronization signals for component television video signal reception
Method and apparatus for deriving line and frame frequency synchronization signals from a received television signal which has a repeated sequence of a plurality of different digital words, each...
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4600944 |
Low cost synchronizing signal separator
A sync signal separator includes a first monostable flip-flop, connected to be positive-edge triggered and nonretriggerable, with a first timing circuit for generating horizontal output pulses of...
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4520393 |
Synchronizing circuit arrangement for deriving and processing a synchronizing signal contained in an incoming video signal
A synchronizing circuit arrangement for deriving and processing a synchronizing signal contained in an incoming video signal. The composite synchronizing signal is obtained by means of a comparator...
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4491870 |
Digital sync separator
A digital sync separator has a separator for supplying composite sync from composite video. A counter counts clock pulses and is reset by the composite sync signals and one of its outputs. The...
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4453183 |
Dual polarity sync processor
A synchronizing pulse processor accepts integrated and differentiated composite sync signal inputs of either positive or negative polarity. Processed horizontal and vertical sync pulses are...
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4449146 |
Integrator circuit for separating vertical sync pulses
An improved vertical sync separator for a TV receiver includes an integrator circuit that comprises a current mirror one current path coupled to a normally conducting semiconductor element to...
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