Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
03/1998
03/17/1998US5729408 Magnetic recording/reproducing apparatus having a magnetic head with a linearly movable arm provided with a plurality of recording/reproducing elements
03/17/1998US5729400 Data recorder using still framing techniques for information retrieval and method
03/17/1998US5729396 Fault tolerant sync mark detector enabled relative to a frequency of an acquisition preamble for sampled amplitude recording
03/17/1998US5729224 Code conversion and demodulation apparatus, a method thereof, and a recording medium
03/12/1998WO1998010422A1 Method and device utilizing erasure information for tracing surface defects in storage media
03/12/1998WO1998010421A1 Fast acquisition method for obtaining data from a transmission channel and a data receiver for carrying out this method
03/12/1998WO1998010420A1 Device for write compensation in magnetic media recording
03/12/1998WO1998010415A1 Information carrier, reading/writing device and reading device for writing and/or reading information blocks
03/12/1998WO1998010381A1 Trusted infrastructure support systems, methods and techniques for secure electronic commerce, electronic transactions, commerce process control and automation, distributed computing, and rights management
03/12/1998WO1998010351A1 Method and apparatus for improving disk drive performance
03/12/1998WO1998001859A3 Transmission, recording and reproduction of a digital information signal
03/12/1998DE19736254A1 Adaptive model control method for noise reduction during track search
03/11/1998EP0828248A2 Error correction method and error correction device
03/11/1998EP0828247A2 Equipment for transmitting data and method of the same
03/11/1998EP0828210A2 Method and apparatus for cryptographically protecting data
03/11/1998EP0827656A2 Data synchronizing system for multiple memory array processing field organized data
03/11/1998EP0570516A4 Disk drive array memory system using nonuniform disk drives
03/11/1998EP0476067B1 Device for detection of sectorposition in rotating storage devices
03/11/1998CN1176014A Method and apparatus for dubbing control
03/11/1998CN1175856A Video signal converting apparatus with display mode conversion and display device having the same
03/11/1998CN1175849A System for forming program guides and video data for storage and transmission in different signal formats
03/11/1998CN1175843A 视频信号输出电路 Video signal output circuit
03/11/1998CN1175771A Apparatus and method for decoding data using flags to indicate decoding errors in data rows and columns
03/11/1998CN1175759A Information recording medium
03/11/1998CN1175740A Computer system with video cassette recorder therein
03/10/1998US5727144 Failure prediction for disk arrays
03/10/1998US5727113 Apparatus for reproducing image signals
03/10/1998US5727003 Method and apparatus for flash burst error correction
03/10/1998US5726966 Optical recording medium reproducing apparatus using edge detecting technique
03/10/1998US5726963 Information reproduction apparatus including a phase compensation circuit for eliminating the influence of AC-coupling
03/10/1998US5726955 Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording
03/10/1998US5726821 Programmable preamplifier unit with serial interface for disk data storage device using MR heads
03/10/1998US5726818 Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
03/10/1998US5726650 Adaptive manchester decoding with adjustable delay and power saving mode
03/10/1998US5726649 Control device suitable for use in an apparatus for reproducing video, audio and accompanying characters
03/10/1998US5726373 Video-song accompaniment apparatus using a compact disc as a recording medium
03/05/1998WO1998009401A1 Audit and verification system
03/05/1998WO1998009290A1 Playback control in digital video disc players
03/05/1998WO1998009283A1 Reproducing method and device for magneto-optical recording medium
03/05/1998WO1998009216A1 Storage system
03/05/1998WO1998001954A3 Transmission and reception of a digital information signal
03/05/1998DE19635237A1 Speichersystem Storage system
03/05/1998DE19635104A1 Audio and video apparatus with parameter adjustment mechanism
03/05/1998DE19634490A1 Restoration of historical sound recordings from gramophone records
03/04/1998EP0827348A2 Video and audio decompression and compression device with a shared memory interface
03/04/1998EP0827338A2 Code multiplexing/reading apparatus
03/04/1998EP0827148A2 Improvements in or relating to signal processing
03/04/1998EP0827147A2 Digital signal recording method and recording apparatus
03/04/1998EP0827146A2 Digital audio device
03/04/1998EP0827139A2 Disk type recording medium and disk recording and reproducing device
03/04/1998EP0826217A2 Dictation device for the storage of speech signals
03/04/1998EP0621236B1 Carbon fluoride particles, process for producing the same, and use thereof
03/04/1998EP0541996B1 Disk array apparatus and method for determining the presence of correct storage devices therein
03/04/1998EP0488700B1 Disk track emulation system and method
03/04/1998CN1175056A Information recording medium and recording and reproducting device thereof
03/04/1998CN1175055A Information recording medium and recording and reproducting device thereof
03/04/1998CN1037636C Digital signal magnetic recording and reproducing apparatus
03/04/1998CN1037635C Loading device for cassette tape recorder
03/03/1998US5724542 Method of controlling disk control unit
03/03/1998US5724474 Digital recording and reproducing apparatus and index recording method
03/03/1998US5724471 Automatic phase control method and apparatus employing a region determiner
03/03/1998US5724368 Cyclical redundancy check method and apparatus
03/03/1998US5724338 Rewritable disk-shaped optical recording medium
03/03/1998US5724330 Information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge, recording apparatus, reproducing apparatus, and recording and reproducing apparatus therefor
03/03/1998US5724328 Disk drive apparatus having improved initialization process
03/03/1998US5724327 Record carrier having first variations of a first physical parameter corresponding to information recorded thereon and second variations of a second physical parameter relating to recovery of the information
03/03/1998US5724323 Recording and reproducing apparatus for recording media
03/03/1998US5724204 Apparatus and method of reproducing synchronization signal in disc storage system
02/1998
02/26/1998WO1998008218A1 System for combining digital and audio signals
02/26/1998WO1998008180A2 Digital optical media authentication and copy protection method
02/26/1998WO1998003975A3 Method and apparatus for reading data from a disc carrier
02/26/1998DE4293957C2 Magneto=optical disk appts. capable of ultra-high density recording
02/25/1998EP0825786A2 Digital recording and playback unit
02/25/1998EP0825784A2 Apparatus and method for transmitting data
02/25/1998EP0825783A2 Apparatus and methods for transmitting data
02/25/1998EP0825725A1 Subband coding with adaptive bit allocation
02/25/1998EP0825603A2 Apparatus and method for decoding data
02/25/1998EP0825602A2 Information recording method and apparatus
02/25/1998EP0825592A2 Method for reading read-only memory
02/25/1998EP0825591A2 Erasable digital video disk with reference clock track
02/25/1998EP0825534A2 Method and apparatus for parity block generation
02/25/1998EP0825522A2 Data recorder and method for reading/recording on the recorder
02/25/1998EP0825519A1 Method for controlling operation of optical disk drive
02/25/1998EP0824821A2 Steganography systems
02/25/1998EP0824729A1 A system for manually altering the quality of a previously encoded video sequence
02/25/1998EP0824717A1 Process and device for reading out binary information magnetically stored in a transparent magnetic layer
02/25/1998EP0728382A4 Pipelined viterbi recorder
02/25/1998CN1174644A Digital signal recording/reproducing device with editor
02/25/1998CN1174472A Digital video signal processor
02/25/1998CN1174378A Hard disk duplicating method
02/25/1998CN1174377A Multiple sound track developing technology for cassette recorder
02/25/1998CN1174371A Information recording method and apparatus
02/24/1998US5721949 Disk controller having sequential digital logic in a state machine for transferring data between DMA device and disk drive with minimal assistance of the CPU
02/24/1998US5721878 Multimedia control system and method for controlling multimedia program presentation
02/24/1998US5721873 Data reproducing apparatus
02/24/1998US5721856 Optical disk write method
02/24/1998US5721823 Digital layout method suitable for near video on demand system
02/24/1998US5721816 Adaptive recovery of read and write errors in a disc drive
02/24/1998US5721806 Method for allocating optimum amount of bits to MPEG audio data at high speed
02/24/1998US5721724 Optical disc containing data stored and linked together in a hierarchical file structure