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6009227 HDTV digital recorder with compressed image data inserted in a video signal that corresponds to a video interface standard  
A signal processing method and apparatus wherein digital image data is compressed, recorded, and edited and where multiple playback/record cycles do not degrade the quality of the image. Digital...
6009235 Digital signal recording/reproducing apparatus  
An apparatus is disclosed for simultaneously recording and reproducing plurality of audio/video signals in a digital video cassette recorder and a digital video camera. One set of audio and video...
6005732 Device and method for restoring data in digital VCR  
Device and method for restoring data in a digital VCR is disclosed in which redundancy is provided for detection of more reliable user data. The device optimally equalizes data reproduced in the...
6002837 Image reproducing apparatus reproducing coded image signals while concealing data which cannot be decoded  
An image reproducing apparatus includes a reproduction unit to reproduce an image signal corresponding to a picture having a plurality of image blocks that each include a plurality of pixels. The...
6002836 Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates  
A recording and reproducing apparatus according to the invention has: at least a pair of rotary heads having different azimuth angles; a run controller for controlling the run of the magnetic tape;...
5999350 Recording/reproducing method of digital data and a recording medium  
A recording/reproducing method which is capable of responding to the recording of various applications by flexibly changing the format of recording regions on a track of a recording medium. A track...
5999690 Picture signal record/playback apparatus and method thereof for time lapse VCR  
A picture signal record/playback apparatus and method thereof for a time lapse VCR which makes it possible to operate with enhanced stability and greater accuracy in providing picture signals. The...
5995704 Information processing apparatus capable of readily changing resolution  
An information processing apparatus for scanning a recording medium by means of a probe and recording and reading information by means of a physical interaction occurring between the recording...
5995707 Speed change reproduction recording apparatus for VCR of digital HDTV and method thereof  
An improved speed change reproduction recording apparatus for a VCR of an HDTV and a method thereof capable of achieving a better resolution during a speed change reproduction operation which...
5991501 Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium  
A digital signal is recorded along tracks on a recording medium. Each of the tracks has plural areas. A portion of the digital signal which is recorded on a first area out of the plural areas...
5982976 Digital video signal processing apparatus  
A digital video signal processing apparatus to record or reproduce a video signal is provided in which a specific video signal is transformed by a user. The digital video signal processing...
5973625 Coding method and coder of a D-VHS codec system using forward Reed Solomon error correction  
A coding method and a coder of a D-VHS codec system for recording/reproducing a high-definition picture and a high-fidelity sound is disclosed. In the recording of digital data which is compressed...
5953489 Transport bit stream recording/reproducing apparatus and method  
A transport bit stream recording apparatus for a digital recorder having an integrated receiver decoder includes a device for converting a first variable rate bit stream input through the...
5949949 Digital video signal processor  
A digital video signal processor for compressing a digital video signal and recording the compressed signal. The digital video signal processor includes a black-and-white signal detector which...
5940148 Method and apparatus for receiving and recording digital packet data  
A digital data transmission interface and method are disclosed for providing a stream of digital data packets to a digital recording device. The interface receives a plurality of digital data...
5926610 Video data processing method, video data processing apparatus and video data recording and reproducing apparatus  
A method and apparatus of processing a video data, for charging an arrangement of positions of macroblocks of video data, the video data being compressed in units of macroblocks and recorded on a...
5926605 Data storage device and data storage/playback device  
A method and apparatus is provided that reliably saves sections of sounds and images believed to be important by associating the sounds and images with user input, changes in sounds, and changes in...
5926612 Apparatus for recording data with a multi-level arrangement of error correction coding  
An apparatus for recording video data with a multi-level arrangement of error correction coding. Input video data is demultiplexed so as to form a plurality of data streams each having a plurality...
5923817 Video data system with plural video data recording servers storing each camera output  
A video data record/playback system includes a plurality of magnetic disk devices that sequentially store video data in scattered form, a plurality of servers 5 that are respectively connected to...
5920673 Apparatus and method for recording digital data  
A recording apparatus that can implement an endless recording function and a prealert recording function for video and audio data using a single random access recording medium having excellent...
5917559 Digital video data decoding apparatus and control method therefor  
A digital video data decoding apparatus and a control method therefor are disclosed. A plurality of synchronization patterns are stored, and the synchronization pattern of the reproduced incoming...
5915065 Magnetic recording and reproducing method  
In a helical-scan-type magnetic recording and playback method for forming diagonal tracks on a magnetic tape while recording and playing back digital data signals, the record and playback heads are...
5913012 Decoding method and decoder of a D-VHS codec system  
A decoding method and a decoder of a D-VHS codec system for recording/reproducing a high-definition picture and a high-fidelity sound is disclosed. In the playback of the digital data which is...
5913007 Envelope detection apparatus for video cassette recorder  
A video cassette recorder envelope detection apparatus which can accurately detect an envelope reflecting the state of a system. The envelope detection apparatus may include a reference voltage...
5911034 Method and circuit for producing synchronous control signals in video recorders  
In order to produce synchronous control signals of a video recorder, in particular of a digital video recorder, a position pulse of the scanner motor, which coincides with the beginning of the...
5907581 Two-dimensional low-pass filtering code apparatus and method  
A one-dimensional data stream is encoded into a two-dimensional data array with reduced high frequency components, for recording on a two-dimensional recording device, such as a holographic storage...
5907661 Video data recording and/or reproducing apparatus  
An apparatus for recording video data by forming many tracks on a recording medium and/or for reproducing the video data from the tracks is provided with a memory which is arranged to have...
5903406 Magnetic tape recording and reproducing apparatus for analog and digital combined use  
An analog and digital combination recording and reproduction apparatus uses the existing head layout found in an analog recording and reproduction apparatus such as an existing VHS system, for...
5899580 Method and apparatus for reducing a tracking displacement between a previously recorded area and a postrecorded area of a slant track  
A digital signal recording and/or reproducing apparatus and method can maintain a satisfactory continuity of a previously-recorded area and a postrecorded area by reducing a tracking displacement...
5897219 Recording/playback apparatus for digital video cassette recorder  
A recording and playback apparatus for a digital video cassette recorder is provided with a data conversion unit for recording a compressed video signal in a more compressed format on a digital...
5892593 Apparatus and method for processing a nonstandard sync signal in a video signal processing system  
There is disclosed a nonstandard sync signal processing apparatus for a video signal processing system, including: a signal separator separating a composite sync signal of a video signal into...
5878187 Digital signal recording method and recording apparatus thereof  
An input digital signal is recorded on inclined tracks on a magnetic tape. The tape has a length L divided quarterly. A leading portion L/4 is reserved for general data, while the remaining...
5875280 Recording apparatus having variably settable compression ratio  
A recording apparatus for recording onto a recording medium for each unit of block, with a unit of block being image data representing one picture, comprising a compression circuit for variably...
5875061 Method and apparatus for the recording of signals  
Method and apparatus for recording a digital signal wherein the recording rate is higher than the available data rate. In such a situation, the available excess recording capability is used for...
5872885 High speed search device for standard definition video cassette recorder  
A high speed search device for a video cassette recorder including a first data compressing unit for receiving data in units of predetermined bits and compressing the data so as to reduce it into a...
5862292 Recording and reproducing device for digital signal including IC card  
A digital VCR incorporates an IC card reader/writer that cooperates with an IC card that stores therein control data corresponding to the transmission format of video signals to be recorded. The...
5854876 Circuit and method for sync detection and protection  
A sync detecting and protecting circuit for use in a reproducing apparatus is provided. The sync detecting and protecting circuit has a first detector for detecting a pre-amble pattern of the...
5852706 Apparatus for recording and reproducing intra-frame and inter-frame encoded video data arranged into recording frames  
Apparatus for recording and reproducing video data to and from a recording medium in which frames of said video data are subjected to either intra-frame compression and encoding or inter-frame...
5848221 Recording and reproduction of video signal  
A video signal recording apparatus includes a first device for processing a first time segment of a video signal in response to a second time segment of the video signal. The first time segment...
5841941 Encoded data stream recording and reproducing apparatus with tape speed, channel number, and cylinder speed control in accordance with bit rate  
A recording and reproducing apparatus for an input encoded data stream having two different bit rates N 1 and N 2 , where N 1 <N 2 . The recording and reproducing apparatus includes: an input...
5838875 Apparatus and method for discriminating between analog and digital video signals in high definition video cassette recorder  
An apparatus and a method for discriminating between analog and digital video signals in a high definition VCR are disclosed. The apparatus comprises a playback amplification circuit for amplifying...
5832084 Recording method of digital magnetic recording medium for copyright protection and variable speed playback  
In a recording method of a digital magnetic recording medium for a copyright protection and a variable speed playback when a user records a digital broadcasting program by a digital video cassette...
5832085 Method and apparatus storing multiple protocol, compressed audio video data  
An apparatus and method to record digital audio/video data originating from different sources in different data formats in a single format for recording on a digital cassette. The apparatus...
5828416 System and method for interfacing a transport decoder to a elementary stream video decorder  
A transport decoder 110, for receiving and processing a transport data stream using MPEG-2 formats, includes connections to a physical layer channel interface (channel interface) 112, a buffer...
5815636 Image reproducing apparatus  
There is provided an image reproducing apparatus comprises a reproduction circuit for reproducing an image signal which was divided into blocks, an error correction circuit for correcting an error...
5815635 Identification code processing apparatus for digital VCR  
An identification code processing apparatus for digital VCR's wherein data is recorded along with identification codes on a tape so that when an error is generated upon reproducing the...
5809208 Digital image recording and reproducing and method for recording and reproducing an amount of image data on a recording medium configured for a lesser amount of image data using partitioning information  
In a case where a frame image possessing an amount of data greater than a predetermined amount is recorded on a magnetic tape using a multiplicity of tracks, on which tracks the data has been...
5809209 Video signal recording apparatus with varying interleaving of digital video signals  
In a video signal recording apparatus in which video signals are digitized and, after the data arrangement has been transformed, are recorded on a recording medium, the video signals corresponding...
5809207 Digital signal recording and/or reproducing apparatus having a phase-locked loop for generating a clock signal from recording signals during a recording operation and reproducing signal during a reproducing operation and a method thereof  
An apparatus and method for recording and/or reproducing a digital signal. An input digital signal is received and processed by a recording processing device so as to form a recording signal. The...
5799130 Video signal recording apparatus  
An apparatus for digitizing video signals and recording the digitized video signals on a recording medium. Digital video signals corresponding to one picture are subjected to a first arrangement...