Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
03/1998
03/31/1998US5734788 Multimedia optical disc which can preserve the freshness of stored data, a reproduction apparatus for reproducing such optical disc and a reproduction method
03/31/1998US5734787 Optical disk having a particular format to store user-selected data, such as compressed video data or computed files, including a dedicated TOC region and an application TOC to identify the video compression format
03/31/1998US5734781 Videocassette device with digital storage and videotape loop for analog playback
03/31/1998US5734680 For use in a magnetic recording device
03/31/1998US5734663 In a communications channel
03/31/1998US5734657 Encoding and decoding system using masking characteristics of channels for bit allocation
03/31/1998US5734636 Song recording medium for video-song accompaniment and a recording and reproducing method and reproducing apparatus adopting the same
03/31/1998US5734598 Low power filter coefficient adaptation circuit for digital adaptive filter
03/31/1998US5734590 Recording medium and device for generating sounds and/or pictures
03/31/1998CA2044521C Method and apparatus for recovering parity protected data
03/26/1998WO1998012819A1 Improved multiple-burst-correction system
03/26/1998DE19720668A1 Selection of zone layout of hard disc drive
03/26/1998DE19639216A1 Wow noise suppression method for optical turntable
03/25/1998EP0831649A1 Automatic picture quality controller
03/25/1998EP0831647A1 Multimedia optical disk on which audio data of a plurality of channels and sub-video data together with time-varying image data, and device and method of reproducing the data
03/25/1998EP0831488A2 Methods and apparatus for processing time codes
03/25/1998EP0831486A2 Information recording/reproducing apparatus and method
03/25/1998EP0831483A1 Data processing apparatus and methods
03/25/1998EP0831482A2 Method and apparatus for data storage
03/25/1998EP0831481A1 Method and apparatus for data storage
03/25/1998EP0831480A1 Data processing apparatus and methods
03/25/1998EP0831479A1 Data processing apparatus and methods
03/25/1998EP0831478A1 Data processing apparatus and methods
03/25/1998EP0831477A1 Data storage
03/25/1998EP0831476A1 Methods and apparatus for controlling tape drive read circuitry operation
03/25/1998EP0831471A1 Optical head and optical recorder
03/25/1998EP0831400A2 On-line reconstruction of a failed redundant array system
03/25/1998EP0830783A1 Method and apparatus for copy protection for various recording media using a video finger print
03/25/1998EP0830782A1 Image recording and reproduction apparatus and interface circuit for use in such an apparatus
03/25/1998EP0830742A1 Improved system for correction of three and four errors
03/25/1998EP0830681A1 Error correction via programmable bias current for mr recording heads
03/25/1998EP0830679A1 RATE n/(n+1) CODE FOR EMBEDDED SERVO ADDRESS ENCODING
03/25/1998EP0830678A1 Trellis code with improved error propagation
03/25/1998EP0830675A2 Method and device for recording an optical information carrier
03/25/1998EP0830669A1 Mr head read signal preconditioning circuitry
03/25/1998EP0555644B1 Recording and/or reproducing method for an optical disc
03/25/1998EP0546826B1 Process control system for activating storage device
03/25/1998CN1177413A Method and apparatus for recording binary signal onto a record carrier
03/25/1998CN1177187A System for testing hard disk drives
03/25/1998CN1177185A Signal trap device and method, recording medium replay device and method, and signal extraction device and method
03/25/1998CN1177172A Sub-picture restoring method and apparatus in digital versatile disk system
03/25/1998CN1177171A Recording data prodn. apparatus and method, recording medium reprodn. apparatus and method, and recording medium
03/25/1998CN1177142A Method for anti-reproducing computer software
03/24/1998US5732356 Method and an arrangement for sound reconstruction during erasures
03/24/1998US5732239 Method for operating a disk storage system which stores video data so as to maintain the continuity of a plurality of video streams
03/24/1998US5732237 Security system for audio equipment where identification data from a compact disc is stored in memory
03/24/1998US5732185 Multi-scene recording medium and apparatus for reproducing data therefrom
03/24/1998US5732093 Error correction method and apparatus on optical disc system
03/24/1998US5732088 Data recording/reproducing apparatus, method thereof, and data record medium
03/24/1998US5732067 Optical disc having recorded thereon a simplified playback control script which is independent of the CPU of the information recording/reproducing apparatus used to record and/or reproduce the optical disk
03/24/1998US5732066 Optical record carrier and method for recording and reproducing signals therefrom
03/24/1998US5732061 Recording method using trial write test pattern
03/24/1998US5732056 Decoding unit and storage unit
03/24/1998US5732050 Recording and reproducing apparatus
03/24/1998US5731922 Image recording system performing error correction repeatedly with the same check fields
03/24/1998US5731847 Subtitle encoding/decoding method and apparatus
03/24/1998US5731770 Digital data buffering device
03/24/1998US5731768 Method and apparatus for implementing codes with maximum transition run length
03/24/1998US5731767 Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
03/24/1998US5731730 Zero level setting circuit for A/D converter in a magnetic disk drive
03/19/1998WO1998011547A1 Recording and reproducing system for simultaneous recording and reproduction via an information carrier
03/19/1998WO1998011539A1 Machine-readable optical disc with reading-inhibit agent
03/19/1998WO1998011538A2 Method, device and/or system for transmitting and/or receiving digital information
03/19/1998WO1998003973A3 Improvements in and relating to optically readable discs and disc recording apparatus
03/18/1998EP0830025A2 Video signal transmission, recording and reproduction
03/18/1998EP0830024A2 Video signal transmission, recording and reproduction
03/18/1998EP0830023A1 Multimedia optical disk improved in interactive reproduction advancing performance, reproducing device, and reproducing method
03/18/1998EP0829952A2 Colpitts type oscillator having reduced ringing and optical disc system utilizing same
03/18/1998EP0829875A1 Method and device for encoding audio signal and method and device for decoding audio signal
03/18/1998EP0829874A2 Memory control devices for use in recording and/or reproducing apparatus
03/18/1998EP0829869A2 Optical disc system having a current monitoring circuit for a magnetic bias coil and a controller for a laser driver and method for operating same
03/18/1998EP0829861A2 Servo control system for information storage device
03/18/1998EP0829860A2 Focus capture method for optical disc system using detection of Quad Sum signal
03/18/1998EP0829859A2 Optical disc system including focus capture assembly with focus error signal circuit and method for operating same
03/18/1998EP0829858A2 Optical disc system having servo motor and servo error detection assembly operated relative to monitored Quad Sum signal
03/18/1998EP0829856A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829855A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829854A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829802A2 Decoding and regenerating device for decoding and regenerating frame coded data and method therefor
03/18/1998CN1176714A Improved system for correction of three and four errors
03/18/1998CN1176533A Recording signal generator
03/18/1998CN1176464A Recording apparatus for recording receiving information
03/18/1998CN1176462A Digital recording reproducing device
03/18/1998CN1176461A Signal modulation method employing multilevel run length limit coding scheme
03/18/1998CN1176451A CD-rom reproducing apparatus and method for controlling the same
03/18/1998CN1176450A Apparatus for self-recording compact disk reproducing signal in video casette recorder/compact disk player complex system
03/17/1998US5729763 Data storage system
03/17/1998US5729650 Multi-scene recording medium and apparatus for reproducing data therefrom
03/17/1998US5729649 Methods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operation
03/17/1998US5729647 Error-correction-code coding and decoding procedures for the transmission and reception of digital video data
03/17/1998US5729552 Process control system for activating storage device
03/17/1998US5729525 Two-layer optical disk
03/17/1998US5729523 Recording medium, recording method, recording/reproducing apparatus, and cutting apparatus
03/17/1998US5729518 Digital signal reproducing apparatus and method for correctly reproducing recorded data even if both random noise and signal distortion co-exist
03/17/1998US5729517 Data detecting circuit
03/17/1998US5729516 Information recording medium, apparatus for recording the same and apparatus for reproducing the same
03/17/1998US5729515 Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data
03/17/1998US5729514 Cross talk removing device utilizing signal from main track to subtract amplitude adjusted signals from adjacent tracks
03/17/1998US5729513 Data storage apparatus for recording and reproducing information on a recording medium by rotating the recording medium at different angular velocities
03/17/1998US5729511 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
1 ... 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 ... 820