| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 06/02/1998 | US5761170 Optical data storage and retrieval system and method |
| 06/02/1998 | US5761169 Methods and apparatus for recording to and reproducing from an optical master disc data to emulate the behavior of a reproducing only optical disc |
| 06/02/1998 | US5761168 CD-ROM drive testing method |
| 06/02/1998 | US5761166 Method and system for simultaneous storage and/or retrieval (storval) of a plurality of data on a disk means |
| 06/02/1998 | US5761160 Optical disk playback and recording device which alternately allocates logical addresses on different sides of disk |
| 06/02/1998 | US5761118 Programming apparatus for analog storage media |
| 06/02/1998 | US5761012 Combination of a magnetic record carrier and an apparatus for recording a digital information signal in a track on said record carrier |
| 06/02/1998 | US5760987 Magnetic reproducing apparatus for reproducing information recorded in both a digital and analog format |
| 06/02/1998 | US5760984 Cost reduced interpolated timing recovery in a sampled amplitude read channel |
| 06/02/1998 | US5760983 Method for optimizing AGC in a servo field including multiple use of an AGC sub-field and sub-field ordering |
| 06/02/1998 | US5760982 Method and apparatus for testing magnetic heads and disks |
| 06/02/1998 | US5760717 Method and circuit arrangement for the generation of a channel-coded binary signal |
| 05/28/1998 | WO1998023060A1 Method and device for transmitting data |
| 05/28/1998 | WO1998023037A1 Method for improved reproduction of digital signals |
| 05/28/1998 | WO1998022947A1 Writing device, record carrier and method of writing information blocks, and reading device for reading information blocks |
| 05/28/1998 | WO1998022946A2 Writing device, record carrier and writing method, and reading device for reading information blocks |
| 05/28/1998 | WO1998022940A1 Apparatus and method for servo system calibration of a removable diskette medium |
| 05/28/1998 | WO1998022938A2 Teleradiology system for the storage and transmission of angiographic and related image sequences |
| 05/28/1998 | CA2271961A1 Method for improved reproduction of digital signals |
| 05/27/1998 | EP0844794A2 Digital video signal recording apparatus and digital video signal reproducing apparatus |
| 05/27/1998 | EP0844614A2 Optical disc reproducing apparatus |
| 05/27/1998 | EP0844613A1 Coder and decoder for recording and reading binary data sequences using a digital video recorder |
| 05/27/1998 | EP0844612A2 Apparatus for reproducing information from an optical disc |
| 05/27/1998 | EP0844611A2 Optical disk |
| 05/27/1998 | EP0844602A1 System for reproducing cassettes without interruption |
| 05/27/1998 | EP0844566A1 Interface apparatus for adapting data width to system bus width |
| 05/27/1998 | EP0844561A2 Disk array device and method for controlling the same |
| 05/27/1998 | EP0843933A2 Transmission of a digital information signal having a specific first sampling frequency |
| 05/27/1998 | EP0843861A1 Secure credit card |
| 05/27/1998 | EP0843851A2 Data storage apparatus |
| 05/27/1998 | EP0483296B1 Process for evaluating binary data of a magnetic storage card |
| 05/27/1998 | CN1183161A Method for replacement for optical disc, and an optical disc |
| 05/27/1998 | CN1183160A Data decoder |
| 05/27/1998 | CN1183159A Spiral track data recording and playback system |
| 05/27/1998 | CN1182935A 电子设备 Electronic Equipment |
| 05/27/1998 | CN1182934A Data decoding system and method, transferring method and device and receiving device and method |
| 05/27/1998 | CN1182932A Error code correction/test decoder |
| 05/27/1998 | CN1182916A Applied program package and system allowing user using said program package according to condition |
| 05/27/1998 | CN1182913A Method and device for recoverying data protected by even-odd check |
| 05/26/1998 | US5758191 Method for buffer management in a disk drive having a first segment for storing burst data and a second segment used for write and read commands |
| 05/26/1998 | US5758020 Methods and apparatus for encoding and decoding signals, methods for transmitting signals, and an information recording medium |
| 05/26/1998 | US5758012 Digital video signal processing system for transmission and recording |
| 05/26/1998 | US5758011 Apparatus for reproducing data containing time information |
| 05/26/1998 | US5758008 Information recording apparatus and information reproducing apparatus |
| 05/26/1998 | US5757909 Illegal view and copy protection method in digital video system and controlling method thereof |
| 05/26/1998 | US5757855 Data detection for partial response channels |
| 05/26/1998 | US5757826 Word-wise processing for reed-solomon codes |
| 05/26/1998 | US5757822 Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ECC |
| 05/26/1998 | US5757808 Method and device for use with helical scan data recording by implementing a reed-solomon product code, a unitary medium comprising such data, and a cassette comprising such medium |
| 05/26/1998 | US5757759 Optical disk data recording and reproduction with opposed polarity in adjacent tracks |
| 05/26/1998 | US5757752 Method for recording/reproducing data with a plurality of sector formats on record medium and apparatus thereof |
| 05/26/1998 | US5757751 Baseline correction circuit for pulse width modulated data readback systems |
| 05/26/1998 | US5757750 Optical disk having both constant linear and constant angular velocity recording regions and optical disk recording system |
| 05/26/1998 | US5757737 Recording/reproducing data units in successive sectors by N heads using N memory devices |
| 05/26/1998 | US5757572 Searching a helical autoreverse magnetic tape for a desired program information from both sides of the tape |
| 05/26/1998 | US5757571 Flexible-capacity scaling for efficient access of ordered data stored on magnetic tape media |
| 05/26/1998 | US5757568 System and method for encoding a servo address |
| 05/26/1998 | US5757567 Method and apparatus for servo control with high efficiency gray code for servo track ID |
| 05/26/1998 | US5757565 Digest playback apparatus and method for video cassette recorder |
| 05/26/1998 | US5757465 Storage medium for carrying information encoded in two dimensions |
| 05/26/1998 | US5757421 Method and apparatus for encoding moving picture signals and recording moving picture signals |
| 05/26/1998 | US5757296 Data decoding apparatus and method and recording medium |
| 05/26/1998 | US5757294 Rate 24/25 modulation code for PRML recording channels |
| 05/26/1998 | US5756265 Multilayer optical disc and method of making same |
| 05/22/1998 | WO1998021830A2 Data compression/expansion using a rice encoder/decoder |
| 05/22/1998 | WO1998021829A2 Modified reed solomon code selection and encoding system |
| 05/22/1998 | WO1998021721A1 Data recording method and apparatus for optical memory cards |
| 05/22/1998 | WO1998021717A1 Method and device for recording data in an optical memory card |
| 05/20/1998 | EP0843474A1 Method and device for information anti-duplication |
| 05/20/1998 | EP0843473A1 Information signal reproduction control system |
| 05/20/1998 | EP0843472A1 Information transmission method, information duplication prohibiting method, information duplication prohibiting device and information recording medium |
| 05/20/1998 | EP0843471A1 Information output device, information recording device, and information duplication control system |
| 05/20/1998 | EP0843447A1 Method for the transmission of asynchronous NRZ signals using frequency modulation |
| 05/20/1998 | EP0843445A2 Method of descrambling scrambled data using a scramble pattern and scramble pattern generator |
| 05/20/1998 | EP0843305A2 Optical recording method with varying light intensity |
| 05/20/1998 | EP0843251A2 Data input/output, recording and reproduction |
| 05/20/1998 | EP0842577A1 Matched spectral null encoder/decoder |
| 05/20/1998 | EP0799472A4 Method for overlapping block read events in disk drive |
| 05/20/1998 | EP0621975B1 Method for formatting a magnetic tape and a formatted magnetic tape |
| 05/20/1998 | DE19719735A1 The method by using decoder to support defect memory |
| 05/20/1998 | DE19647453A1 Digital video device |
| 05/20/1998 | CN1182497A Information carrier and recording device for rocording information carrier |
| 05/20/1998 | CN1182270A Apparatus for compensating frequency characteristic of reproduction audio signal |
| 05/20/1998 | CN1182269A Apparatus for compensating audio signal recording |
| 05/20/1998 | CN1182268A Recording medium having digital copy management data recorded therein, and recording apparatus and reproducing apparatus |
| 05/20/1998 | CN1038454C Arragement for recording video signal and corresponding audio signal in slant tracks on a longtudinal magnetic record carrier, and record carrier obtained by means of the arrangement |
| 05/19/1998 | US5754973 Methods and apparatus for replacing missing signal information with synthesized information and recording medium therefor |
| 05/19/1998 | US5754889 Auto write counter for controlling a multi-sector write operation in a disk drive controller |
| 05/19/1998 | US5754756 Disk array system having adjustable parity group sizes based on storage unit capacities |
| 05/19/1998 | US5754730 Method for predicting what video data should be in a cache which is in a disk-based digital video recorder |
| 05/19/1998 | US5754729 Apparatus for controlling the decoding operation in accordance with discontinuity in the stored data |
| 05/19/1998 | US5754687 Information recording medium and information reproducing apparatus capable of stably reproducing changeable code patterns at high speed |
| 05/19/1998 | US5754649 Video media security and tracking system |
| 05/19/1998 | US5754648 Video media security and tracking system |
| 05/19/1998 | US5754593 Write equalization for partial response channels |
| 05/19/1998 | US5754565 Reconstruction of syndromes for bi-level on-the-fly error correction in disk drive systems |
| 05/19/1998 | US5754553 Packet conversion apparatus and system |
| 05/19/1998 | US5754522 Method for forming disk, disk forming apparatus, data recording/reproducing method, data recording/reproducing apparatus, and disk capable of recording/reproducing data in high density |
| 05/19/1998 | US5754521 Recording medium having a first management area for managing a first attribute and a second management area for managing a second attribute of a program recorded in a recording area |
| 05/19/1998 | US5754509 Disc device having heads mounted on the housing and movable in a radial direction |