| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 05/19/1998 | US5754508 Method and apparatus for simultaneously recording information data on two recording surfaces of an optical disc at equal data states |
| 05/19/1998 | US5754427 Data recording method |
| 05/19/1998 | US5754353 Channel quality circuit in a sampled amplitude read channel |
| 05/19/1998 | US5754352 Synchronous read channel employing an expected sample value generator for acquiring a preamble |
| 05/19/1998 | US5754351 Embedded header for split data sectors in zoned bit recorded disc drives |
| 05/19/1998 | US5754256 Audio/video connection apparatus for audio/video system |
| 05/19/1998 | US5754247 Video signal processing apparatus for converting a frame video signal representing a plurality of video frames into a field video signal representing a plurality of video fields |
| 05/19/1998 | US5754238 Picture signal decoding method and apparatus thereof |
| 05/14/1998 | WO1998020492A1 Method and arrangement for preventing unauthorized duplication of optical discs using barriers |
| 05/14/1998 | WO1998020488A2 Data processing of a bitstream signal |
| 05/13/1998 | EP0840927A1 Compact disc changer utilizing disc database |
| 05/13/1998 | CN1181661A Interleave read address generator |
| 05/13/1998 | CN1181579A Information recording method and its device |
| 05/13/1998 | CN1181577A Information recording method and apparatus |
| 05/13/1998 | CN1038369C Optical disc and information treatment appts. using same |
| 05/12/1998 | US5752257 Redundant array of removable cartridge disk drives |
| 05/12/1998 | US5752252 Storage of file data on disk in multiple representations |
| 05/12/1998 | US5752224 Information encoding method and apparatus, information decoding method and apparatus information transmission method and information recording medium |
| 05/12/1998 | US5752009 Recording medium for electronic publications including multiple format emulation |
| 05/12/1998 | US5751947 Magnetic disk apparatus having inspection function of recording medium and method of inspecting recording medium in magnetic disk apparatus |
| 05/12/1998 | US5751936 Checking for proper locations of storage devices in a storage device array |
| 05/12/1998 | US5751894 Recording/reproducing system of a DVCR |
| 05/12/1998 | US5751892 Multi-scene recording medium and apparatus for reproducing data therefrom |
| 05/12/1998 | US5751889 Recording and reproduction of a trick mode video signal |
| 05/12/1998 | US5751887 Apparatus and method of decoding data groups of pictures |
| 05/12/1998 | US5751883 Multimedia direct access storage device and formatting method |
| 05/12/1998 | US5751806 Audio information dissemination using various transmission modes |
| 05/12/1998 | US5751733 Interleaved redundancy sector for correcting an unrecoverable sector in a disc storage device |
| 05/12/1998 | US5751689 Information recording medium |
| 05/12/1998 | US5751684 Recording/reproducing apparatus and method for recording/reproducing information using probe |
| 05/12/1998 | US5751677 Magnetio optical disk recording device capable of verifying recorded state during recording and checking erased state during erasing |
| 05/12/1998 | US5751676 Optical disk recording and reproducing method and apparatus therefor |
| 05/12/1998 | US5751672 Compact disc changer utilizing disc database |
| 05/12/1998 | US5751671 Information recording media and optical disk, disk having specific data so that a visible pattern of characters or graphics appear on a copy disk |
| 05/12/1998 | US5751510 Method and apparatus for restoring a thermal response signal of a magnetoresistive head |
| 05/12/1998 | US5751506 Digital information reproducing apparatus using partial response detection method including quadruple processing |
| 05/12/1998 | US5751505 Magnetic recording layer formed on a photographic film and having an identification code which identifies information segments, and method for recording the same |
| 05/12/1998 | US5751504 Digital video and audio signal recording apparatus |
| 05/12/1998 | US5751398 Motion picture digital sound system and method |
| 05/12/1998 | US5751359 Method for quantizing compressed video signals |
| 05/12/1998 | US5751232 High-efficiency encoding apparatus and high-efficiency decoding apparatus |
| 05/07/1998 | WO1998019463A1 A method and circuitry for compressing and decompressing digital video data |
| 05/06/1998 | EP0840507A1 Control of image duplication |
| 05/06/1998 | EP0840319A2 A formatting apparatus and a flexible disk |
| 05/06/1998 | EP0840318A2 Waveform equalizer |
| 05/06/1998 | EP0840317A2 Digital signal reproduction |
| 05/06/1998 | EP0840309A2 Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
| 05/06/1998 | EP0840301A2 Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same |
| 05/06/1998 | EP0840300A2 Optical disc system having improved circuitry for performing blank sector check on readable disc and method for operating same |
| 05/06/1998 | EP0840194A2 System and method for controlling the use of a package of distributed application software |
| 05/06/1998 | EP0839374A1 Method and system to replace sections of an encoded video bitstream |
| 05/06/1998 | EP0839373A1 Signal recording apparatus for video device using magnetic recording medium |
| 05/06/1998 | EP0839355A1 Disk drive data protection system |
| 05/06/1998 | EP0425475B1 Data transmission and detection system |
| 05/06/1998 | CN1181169A Data processor and data processing method, data recorder, and recording method |
| 05/06/1998 | CN1181167A Transmission system having receiver for recovering words from sequence of symhols |
| 05/06/1998 | CN1181156A Method and apparatus for treating video signal |
| 05/06/1998 | CN1181153A Spare and calibration sector management for optical worm media |
| 05/06/1998 | CN1180895A Disk device and data reassignment method |
| 05/06/1998 | CN1180894A Apparatus and method for controlling hard disk driver |
| 05/06/1998 | CN1180888A Data recording apparatus and method and recording medium |
| 05/05/1998 | US5748871 Dual bus architecture for a storage device |
| 05/05/1998 | US5748842 Synchronizing digital audio to digital video |
| 05/05/1998 | US5748835 Audio signal decoding apparatus and method for a disc driving system |
| 05/05/1998 | US5748834 Recording/reproducing system wherein an analog stereo audio format is maintained and half the analog stereo signal is replaced by a digital stereo audio signal |
| 05/05/1998 | US5748832 Video signal reproducing system |
| 05/05/1998 | US5748830 Color signal processor for removing leakage components |
| 05/05/1998 | US5748791 Apparatus for deciding DCT block classes in a DVCR |
| 05/05/1998 | US5748763 Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
| 05/05/1998 | US5748649 System enabling a magnetic code recorded on a magnetic track to be properly decoded in the form of a binary message |
| 05/05/1998 | US5748594 Recording medium, recording apparatus and reproducing apparatus |
| 05/05/1998 | US5748593 Data reproduction apparatus |
| 05/05/1998 | US5748592 Disk drive apparatus and disk storage medium for high density recording |
| 05/05/1998 | US5748591 Disk drive |
| 05/05/1998 | US5748590 Apparatus for inspecting disc recording medium |
| 05/05/1998 | US5748589 Diagnosis of an optical disk apparatus using a diagnostic method contained on an optical disk medium |
| 05/05/1998 | US5748588 Memory controller and recording apparatus which adds dummy data to complete a sector of data when writing to memory |
| 05/05/1998 | US5748587 Spindle servo circuit in high-speed optical disk reproducer |
| 05/05/1998 | US5748586 Data recording method and apparatus for minimizing the influence of inter symbol interface |
| 05/05/1998 | US5748585 Disc apparatus for selectively outputting data from a disc and a memory |
| 05/05/1998 | US5748583 Information recording/reproducing apparatus with counter means accessible by system and servo processing units |
| 05/05/1998 | US5748582 Information recording medium wherein digital symbols are represented by discrete shift amounts of a pit edge and tracking wobbling pits are shared between adjacent tracks and information recording and reproducing apparatus therefor |
| 05/05/1998 | US5748578 Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
| 05/05/1998 | US5748401 Sector servo system data recording/reproducing apparatus without ID portion |
| 05/05/1998 | US5748397 Audio signal processing apparatus and recording and/or reproducing apparatus for a tape-shaped recording medium |
| 05/05/1998 | US5748396 Arrangement and method for optimizing the recorded signal to noise ratio in contact recording systems |
| 05/05/1998 | US5748187 Synchronization control of multimedia objects in an MHEG engine |
| 05/05/1998 | US5748123 Decoding apparatus for Manchester code |
| 05/05/1998 | US5748120 Sampling frequency converting device and memory address control device |
| 05/05/1998 | US5748119 Devices and methods for channel-encoding and channel-decoding of digital data |
| 05/05/1998 | US5748045 Digital PLL circuit |
| 05/05/1998 | US5748023 Integrator with output-compensating capability |
| 04/30/1998 | WO1998018208A1 Conversion of a sequence of m-bit information words into a modulated signal |
| 04/30/1998 | WO1998018128A1 Method and apparatus for multiplicative noise precompensation for magnetic recordings |
| 04/30/1998 | WO1998018121A1 Optical disc |
| 04/30/1998 | WO1998018081A1 Method for optimization of channel parameters in a data storage device |
| 04/30/1998 | WO1998003967A3 Data retrieval channel characteristics control |
| 04/30/1998 | WO1997047980A3 Method for testing digital circuits within synchronously sampled data detection channel |
| 04/29/1998 | EP0838948A1 Multimedia optical disk, reproducing device, and reproducing method capable of superposing sub-video upon main video in well-balanced state irrespective of position of main video on screen |
| 04/29/1998 | EP0838946A1 Video duplication control system, video playback device, video recording device, information superimposing and extracting device, and video recording medium |