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Class 386/36 - Channel splitting


Subclass of Class 386 - Television signal processing for dynamic recording or reproducing
Definition: Subject matter comprising means for separating the color
No. of patents: 23
Last issue date: 03/06/2007


NumberTitleIssue Date
7188353System for presenting synchronized HTML documents in digital television receivers
A method and apparatus is provided for synchronizing display of HTML documents to the audio/video content of a digital television program. Documents are authored with a structure for receiving a presentation time stamp value. After the packetized data representing t...
03/06/2007
6954409Ping-pong recording method and multi-track recorder apparatus
A ping-pong recording method and apparatus is disclosed, which allows the mixing process to proceed while listening to the sounds for all of the parts. The ping-pong recording apparatus includes a hard disk-based multi-track recorder means 10, a first ...
10/11/2005
6195726Method and apparatus for performing patterned read and write operations
A read/write drive such as a DVD+RW drive performs interleaved read and write operations on a recordable medium without relying on long seeks. During a first mode of operation, the read/write drive writes a pattern of data units (e.g., blocks) separated b...
02/27/2001
6134375Image signal recording and reproducing apparatus
A first digital processor (13) generates luminance data Y and color difference data U, V, using image data D1. The processor (13) further generates separated luminance data Y1, Y2 by halving the luminance data Y, and generates a compound color difference ...
10/17/2000
5909638High speed video distribution and manufacturing system
A system for capturing, storing and retrieving movies recorded in a video format and stored in a compressed digital format at a central distribution site is described. A plurality of remote distribution locations are connected through fiber optic connecti...
06/01/1999
5822490Apparatus and method for color-under chroma channel encoded with a high frequency luminance signal
A video signal processing system has luminance signal and a chroma carrier modulated with chrominance information. The system includes circuitry responsive to the chroma carrier for generating a phase alternating carrier having a phase alternating from fi...
10/13/1998
5579122Apparatus for extracting a composite video signal of a selected channel from time divisional multiplexed video signals
An apparatus for accurately extracting a selected channel of composite video signal from a time division multiplexed video signal. When a time division multiplexed video signal is reproduced from a video tape, noise may be induced due to tracking errors. ...
11/26/1996
5477336Apparatus and method of recording and reproducing video signal
A video signal recording and reproducing apparatus in accordance with the present invention includes A/D converters, a shuffling circuit and magnetic heads. The A/D converters A/D-convert a luminance signal Y and color difference signals PB and...
12/19/1995
5287196Method and apparatus for recording video information signals to avoid interference during after-recording
Video and information signals are recorded in slant tracks on a magnetic tape having a wrap angle of no more than about 180° by timebase converting at least the video signal which then is time division multiplexed with the information signal. The time di...
02/15/1994
5276528Color video signal recorder
A color video signal recorder is arranged to record on one and the same recording medium first and second signals which are obtained by frequency dividing at different phases the frequency modulation wave of a frequency modulated color video signal which ...
01/04/1994
5047865System for transmitting a digital video signal
In the transmission of digital video data signals, for example, in a digital video tape recorder, a luminance signal and first and second chrominance signals, such as R-Y and B-Y, are individually sampled to provide respective digital luminance data signa...
09/10/1991
4910605Video signal recording method and apparatus for field-segment recording
A video signal recording method and apparatus for-recording each field of a video signal as a plurality of segments on respective tracks of a magnetic tape, in which each segment consists of a sequentially-ordered set of scanning lines which constitute a ...
03/20/1990
4805034Color video signal transmission system
A color video signal transmission system comprises an analog-to-digital converter for sampling an input composite color video signal at a sampling frequency nfsc and for producing first data, where n is a natural number and fsc denot...
02/14/1989
4745486Helical scan type magnetic recording apparatus
A helical scan type magnetic recording apparatus forms tracks which are mutually separated in a width direction of a magnetic tape. The apparatus comprises n pairs of rotary heads for simultaneously and independently forming n oblique tracks which are mut...
05/17/1988
4737863Method for distributing and recording video signals and an apparatus using the same
Video signal components including the luminance and color signals are sampled using a clock generator and dividers, and the resultant signals are coded through a plurality of channels and are recorded in a video tape recorder. In order to suppress and dis...
04/12/1988
4553176Video recording and film printing system quality-compatible with widescreen cinema
Red, green, and blue signals from a video camera are separately recorded. In preparation for this, the three signals (advantageously generated at twenty-four frames per second and more than 655 noninterlaced raster lines per frame) are first applied to th...
11/12/1985
4507686Television signal recording and reproducing apparatus
The recording and reproducing apparatus used to record and reproduce image signals includes two units; a recording unit which has the means to record and reproduce the luminance signal component of the image signal by dividing it into a multiple channel c...
03/26/1985
4491861Two-channel transmission or storage method for digital color television signals
In order that each of two recording channels utilized for a single color television signal may be used if necessary to provide a complete picture with only a loss of quality, digitally coded signal samples of the luminance signal and of the two chrominanc...
01/01/1985
4472745Method and apparatus for magnetic tape recording of color television signals and reproduction of such signals therefrom
Color television signals are split up to provide a luminance signal and a chrominance signal. These are recombined in a manner designed to reduce the frequency bandwidth and, furthermore, time-subdivision is used to distribute signals for recording betwee...
09/18/1984
4467368Method and means for recording and playback of color television signals
Time-expansion is provided to one-line segments of the luminance component of a color television signal, and time-compression is applied to one-line segments of the chrominance component, so that both components can be recorded on magnetic tape with optim...
08/21/1984
4458271Method and circuit for the transmitting, recording, and/or reproducing of wide-band signals
A method and a circuit for transmitting or storing a wide-band signal in several, narrow-band channels, wherein frequency modulation and demodulation occur in the wideband channel. The uniformity of the transmission characteristics of the entire system is...
07/03/1984
4429334Method for recording and reproducing a digital color video signal
A method for recording a color video signal in a plurality of parallel tracks extending obliquely on a magnetic tape includes the steps of sampling the video signal at a frequency which is at least three times the color sub-carrier frequency of the color ...
01/31/1984
4358786Method and a circuit arrangement for the storage of video signals
Video signals are stored on a continuously movable magnetic tape with a dissection of the video signals into a plurality of partial signals and simultaneously recording the partial signals in a plurality of longitudinal tracks which extend parallel to one...
11/09/1982
 
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