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7860180 |
OFDM modem for transmission of continuous complex numbers
The invention enables the transmission of continuous complex numbers using a symbol based transmission scheme such as OFDM. Accordingly, complex numbers are mapped to the constellation map,...
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6680852 |
Color-coding technique for slot selection in bladed systems
A method of color-coding a blade and a bladed system is disclosed. The bladed system has a plurality of slots. In particular, the method facilitates selecting at least one slot for inserting...
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6611215 |
System and related methods for processing audio content in a filter graph
A method comprising identifying a sample rate of received audio content, receiving a conversion sample rate, and converting the received audio content to the received conversion sample rate....
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6429900 |
Transmission of wideband chroma signals
A method of transmission of wide bandwidth chroma signals converts a component video signal having a luminance and two half-bandwidth chroma components into a 0:4:4 video signal having no luminance...
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5838394 |
Picture storage device separates luminance signal into even number and odd number data and separates two channel color signal into former half pixels and latter half pixels
A picture storage device conveniently employed in conjunction with an electronic still camera or a video camera has an input data converting unit for separating luminance signals of input color...
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5583574 |
Video-data transmitter, video-data receiver, and video-data transceiver for connecting parallel video-data into serial video-data and vice versa
A video data transmitter includes: chrominance-data multiplexer which multiplexes parallel data obtained by digitizing a chrominance signal Pb, which is a component signal of an analog HDTV video...
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5557426 |
Image information signal processing apparatus
An image information signal processing apparatus for processing a first image information signal having at least a first image signal and a second image signal which is different from the first...
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5523795 |
Method and apparatus for serial transmission and/or reception of nonsynchronous, multiplexed signals
A method and an apparatus capable of transmitting and receiving multiplexed signals as serial data in such a manner that, even in a state where a continuous signal such as an audio digital signal...
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5465158 |
Video tape recorder capable of recording and reproducing wide-band chrominance signal
In a video tape recorder of the color under recording type, in which a low frequency band converted carrier chrominance signal is recorded together with an FM luminance signal, another FM modulator...
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5459519 |
Video images decoder architecture for implementing a 40 MS processing algorithm in high definition television
A video image decoder architecture for implementing a processing algorithm in the 40-ms mode on high-resolution TV sets, of a kind adapted to handle TV signals being received on respective...
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5396293 |
Filter circuit with bandwidth varied as a function of bit error rate and luminance level
An arrangement for enhancing an image corresponding to a television signal including a digital component includes a variable bandwidth filter and a control unit for controlling the bandwidth of the...
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5351090 |
Video and audio signal multiplexing apparatus and separating apparatus
When transmitting an audio signal by multiplexing in a synchronous period of a video signal, a buffer memory for time axis adjustment of the audio signal is controlled. The number of audio signal...
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5347315 |
Modular encoder for generating a digital multiplex signal and decoder for processing such a signal
A X-MAC encoder enables a plurality of components to be encoded, each having a sequence of packets, with the packets being distributed in successive bursts each occupying a predetermined fraction...
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5327227 |
De-interleaving method and apparatus for D2 MAC audio
A de-interleaving system includes a generator for generating a write address for storing input audio data of a D2 MAC signal in units of packets, a generator for generating a read address for...
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5208659 |
Method and apparatus for independently transmitting and recapturing clock recovery burst and DC restoration signals in a MAC system
The present invention is directed to improving immunity to channel distortions of multiplexed analog component television signals by independently transmitting a clock recovery burst and a DC...
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5200823 |
Virtual channels for a multiplexed analog component (MAC) television system
A decoder for use in a television system. The decoder includes a receiver for receiving a television signal having at least one channel. Each channel of the television signal includes video and...
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5191432 |
Method of recording and reproducing color video signal with type codes to indicate type of chrominance signal
A color video signal recording and reproducing method for recording and reproducing a color line sequential TCI signal which prevents, upon different speed reproduction, a possible displacement in...
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5126835 |
Method and apparatus for video signal dropout compensation
Dropout is compensated in a video signal that has samples comprising respective different color information components in alternate lines and samples comprising luminance information time...
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5113242 |
Two-line MAC high definition television system
A high definition television signal with a sequential scan with the standard number of lines per frame and double the frame frequency is processed to generate a single MAC line having a duration...
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5097320 |
Encoding and decoding of MAC video signals
A MAC signal encoder, for encoding a video signal into MAC format, includes vertical sub-samplers for vertically sub-sampling color difference signals of the video signal, vertical filters that...
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5053859 |
High definition B-MAC television signal transmission system
A method for encoding a high definition television signal comprising a first frequency spectrum portion for standard resolution and a second high frequency spectrum portion for high resolution...
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5031031 |
Video signal processing apparatus
A video signal processing apparatus for processing a video signal including SYNC pulses, a time-compressed color difference and luminance signals, compression factors of those signals being...
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5010391 |
Digital video signal processing device
In a digital video signal processing device, a digital filter two-dimensionally limits the bandwidth of a digital video signal which is obtained by time-base multiplexing a digital luminance signal...
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4994899 |
Frequency generation for extended bandwidth MAC color television encoding and decoding
In a Multiplexed Analog Component (MAC) color television transmission system in which the MAC signal is to be converted at the receiver to a composite color television signal having a 227.5 fH...
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4979041 |
High definition television system
A high-definition television system in which a production signal is spatiotemporally filtered to remove frequency components and remaining components are transmitted over a channel. In various...
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4974064 |
Apparatus for encoding television signals of different formats for transmission and decoding upon reception
A high definition television signal having 525 lines per frame, a sequential scan, and 59.94 frames per second is encoded into a time multiplex signal for transmission. The encoder drops alternate...
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4974063 |
Video signal processing device
In a device for processing a video signal including line sequential signals which have DC offset during a specific portion of every horizontal scanning period, the line sequential signal is...
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4939572 |
Video signal processing apparatus
A first video signal processing apparatus for processing a video signal including first and second color difference signals transmitted line-sequentially for outputting simultaneously two...
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4875105 |
Video signal processing device
A video signal processing device comprises a pulse generating circuit arranged to produce reading pulses for a given first period of time within one horizontal scanning period and to be in repose...
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4866522 |
Television transmission system with multiplexed components
A component television signal is transmitted as a sequence of television frames with each frame having a plurality of television lines substantially all of which have first and second time...
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4860310 |
Duobinary encoded signal decoder
A device for decoding a transmitted sequence of duobinary encoded signals, which provides as an output a sequence of binary signals which most probably matches the transmitted sequence of duobinary...
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4852084 |
Information transmission system
Information signals (Y1, C1; Y2, C2: Y3, C3) relating to the same video image but each defining the image with a different accuracy are transmitted asynchronously and on a time division basis as...
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4794464 |
Video time division multiplexer with plural dual port memories
A video signal is time division multiplexed prior to recording using a time base compression device including a random access memory, instead of serial shift registers or the like. Large time base...
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4757498 |
Method and apparatus for handling data in television signals
In a receiver for a C-or D-MAC Packet television signal the bits of a pocket from the first subframe (DATA `A`) are multiplexed with the bits of a correspondingly positioned packet in the second...
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4748496 |
Transmission and reception of television signals to produce extended definition pictures
In a method of transmitting and receiving Multiplexed Analog Component (MAC) television signals by producing first chrominance component and luminance component signals representing lines of a...
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4740831 |
Method of reformatting color television signals by eliminating the unnecessary overscanned portions
A method of reformatting color television signals is disclosed whereby chrominance and luminance components are serially arranged on a line by line basis with minimal compression of the luminance...
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4730209 |
Circuit for converting a colour television time division multiplex signal into simultaneous signals
A color television Y/U/V luminance-chrominance multiplex signal with signals which may or may not be compressed in time comprises for a television line the associated luminance information Y and...
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4724486 |
Apparatus for deriving information signals for component television video signal reception
Receiving apparatus for receiving multiplexed analogue component signals each of which represents a line of a television picture and includes a burst of digital signals, at least one of the...
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4706109 |
Television transmission system
In television transmitter equipment for a television transmission system having a time multiplexed signal in component form, the vision components are derived from a vision source (1), encoded in a...
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4698665 |
Color television transmission or information storage system, respectively with time-division multiplex coding and data generator and receiver suitable therefor
Color television transmission or information storage system, respectively using time-division multiplex coding. A signal source is coupled via an encoding circuit for time-division multiplex coding...
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4697206 |
Method and apparatus for enhancing vertical chrominance resolution
Chrominance component signals of two different types are produced such that the chrominance signals alternate within a field and between adjacent fields in order to provide an improved amount of...
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4695874 |
Apparatus for processing a time-division multiplex video signal having signal durations divisible by the same number
A video signal apparatus processes a time-division-multiplex (TDM) video signal. The TDM signal includes a compressed sync, a compressed chrominance component constituting a series of time...
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4691245 |
Method and apparatus for combining two color video signals
Method and apparatus for the processing of color video signals in which the two fields of a color video frame are compressed into a single field without appreciable loss of picture resolution and...
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4672425 |
Multiplex television system adapted to transmit pictures with a 5/3 aspect ratio, system
Television system in which the digital data, the chrominance signals and the luminance signals are time-division multiplexed. This system, adapted for transmitting pictures having an aspect ratio...
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4658296 |
Dynamic noise reduction for video
In a system in which an information signal is transmitted along with digital data from a transmitter to a receiver, transmitter circuitry is provided which produces digital data indicative of...
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4654696 |
Video signal format
A video signal that is representative of a wide scene comprises signal elements corresponding to a plurality of horizontal line intervals of a raster. A luminance component and two chrominance...
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4654697 |
Video signal apparatus for processing a time-division-multiplex video signal having a buffer segment
Video signal apparatus processes a time-division-multiplex (TDM) video signal which has a buffer segment between luminance and chrominance component segments. The apparatus includes a circuit which...
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4652903 |
Frequency generation for multiplexed analog component color television encoding and decoding
In a Multiplexed Analog Component (MAC) color television transmission system in which the MAC signal is to be converted at the receiver to a composite color television signal having a 227.5 fH...
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4651208 |
Compatibility of widescreen and non-widescreen television transmissions
A widescreen television picture is sampled at a higher sampling rate so as to fit all of the information in the current 52.5 μs active video line time. A selection signal is also incorporated with ...
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4641201 |
Color video signal transmitting apparatus
A color video signal transmitting apparatus comprises first and second input terminals supplied in parallel with a time base compressed luminance signal and a first time base compressed...
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