| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 05/13/1997 | US5629914 Data-transition threshold following in optical recording |
| 05/13/1997 | US5629913 Optical disk recording control method and apparatus for recording user data based on test signal |
| 05/13/1997 | US5629912 Apparatus for reproducing signals recorded on an optical disc |
| 05/13/1997 | US5629811 Video signal recording apparatus with transforming an arrangement of video data |
| 05/13/1997 | CA2064633C Adjusting amplitude detection threshold by feeding back timing-data phase errors |
| 05/09/1997 | WO1997016896A1 Cryptosystem for optical storage |
| 05/07/1997 | EP0772303A2 Viterbi detector with path-memory of reduced size |
| 05/07/1997 | EP0772194A2 Device for detecting error from digital data |
| 05/07/1997 | EP0772193A2 Digital address information recording method |
| 05/07/1997 | EP0772192A2 Optical disc reproducing apparatus |
| 05/07/1997 | EP0772190A2 Method and circuit for generating synchronous control signals in videorecorders |
| 05/07/1997 | EP0458975B1 Optical recording apparatus |
| 05/07/1997 | CN1149366A Apparatus and methods for including codes in audio signals and decoding |
| 05/07/1997 | CN1149350A Arrangement for reproducing N digital signals from N adjacent tracks on a record carrier |
| 05/07/1997 | CN1149231A Color signal processor for removing leakage components |
| 05/07/1997 | CN1149217A Signal processing device |
| 05/07/1997 | CN1034845C Picture search control apparatus in a digital video tape recorder |
| 05/06/1997 | US5627995 Data compression and decompression using memory spaces of more than one size |
| 05/06/1997 | US5627946 Hard disk format using frames of sectors to optimize location of servo bursts |
| 05/06/1997 | US5627937 Apparatus for adaptively encoding input digital audio signals from a plurality of channels |
| 05/06/1997 | US5627935 Error-correction-code coding & decoding procedures for the recording & reproduction of digital video data |
| 05/06/1997 | US5627895 Electronic device for detecting selected visually perceptible indication information on an information storage medium for security comparison |
| 05/06/1997 | US5627846 Drop-out location detection circuit |
| 05/06/1997 | US5627844 Address generator for EFM decoder employing scrambling counters |
| 05/06/1997 | US5627843 Correcting up to two disc drive read errors and detecting the occurrence of more than two read errors |
| 05/06/1997 | US5627810 Recording/reproducing apparatus that forms read and write clock signals with differing frequencies from the servo clock signals |
| 05/06/1997 | US5627809 Optical disk device having high-speed reproduction capability |
| 05/06/1997 | US5627805 Methods and apparatus for high speed optical storage device |
| 05/06/1997 | US5627695 System and method for generating unique sector identifiers for an identificationless disk format |
| 05/06/1997 | US5627694 Recording/reproducing apparatus for recording and reproducing multiple kinds of digital signals having different data amounts per unit time |
| 05/06/1997 | US5627693 Address mark detection system for a magnetic disk drive |
| 05/06/1997 | US5627692 Recording and reproducing apparatus for reproducing time-base compressed signals dependent on the time-base compression implemented |
| 05/06/1997 | US5627657 Method for sequentially displaying information recorded on interactive information recording medium |
| 05/06/1997 | US5627655 Recording apparatus and reproducing apparatus for video signals |
| 05/02/1997 | EP0771122A2 Magnetic recording/reproducing apparatus and data arranging method |
| 05/02/1997 | EP0771111A2 Frame pulse generation apparatus for standard definition video cassette recorder |
| 05/02/1997 | EP0771108A2 Copy protection of video signals |
| 05/02/1997 | EP0771078A2 Method and apparatus for generating runlength-limited coding with DC control |
| 05/02/1997 | EP0771000A2 Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal |
| 05/02/1997 | EP0770997A2 Password protection for removable hard drive |
| 05/02/1997 | EP0770284A1 Encoding data with variable block lengths |
| 05/02/1997 | EP0517230B1 Disc-shaped recording medium and apparatus for reproducing track addresses recorded on the disc-shaped recording medium |
| 05/02/1997 | EP0516125B1 Disk apparatus |
| 05/02/1997 | EP0500797B1 Dual channel helical scan recorder |
| 05/01/1997 | WO1997016023A1 Staggered stream support for video on demand |
| 05/01/1997 | WO1997016022A1 Digitally removing video copy protection pulses |
| 05/01/1997 | WO1997016019A1 Digital signal recording/reproducing device with editor |
| 05/01/1997 | WO1997016011A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 05/01/1997 | WO1997016010A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 05/01/1997 | WO1997015984A1 Repeated decoding and encoding in subband encoder/decoders |
| 05/01/1997 | WO1997015930A1 Testing apparatus for digital storage device |
| 05/01/1997 | WO1997015924A1 Recording medium and reproducing device |
| 05/01/1997 | WO1997015917A1 Method for overlapping block read events in disk drive |
| 05/01/1997 | CA2235268A1 Testing apparatus for digital storage device |
| 05/01/1997 | CA2208074A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 05/01/1997 | CA2207899A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 05/01/1997 | CA2206871A1 Method for overlapping block read events in disk drive |
| 04/30/1997 | CN1148915A Encoding arrangement and method for encoding (n-1)-bit information words into n-bit channel words and decoding arrangement and method for decoding the channel words into information words |
| 04/30/1997 | CN1148770A Digital video data coding and decoding device removing caption data noise, and method thereof |
| 04/30/1997 | CN1148718A Digital signal detector for magnetic recording/replaying apparatus |
| 04/30/1997 | CN1148717A Magnetic record regenerating device and method thereof |
| 04/30/1997 | CN1148716A Device for demodulating digital frequency-modulation signal of optical-disc apparatus |
| 04/29/1997 | US5625792 Reproducing apparatus with transfer buffer and shared extended memory |
| 04/29/1997 | US5625689 Method and apparatus for secure data storage and manipulation using magnetic media |
| 04/29/1997 | US5625632 Magnetic disk drive including a data discrimination apparatus capable of correcting signal waveform distortion due to intersymbol interference |
| 04/29/1997 | US5625620 Optical disc |
| 04/29/1997 | US5625618 Optical recording medium employing an intermittent pattern for guiding tracks and tracking apparatus for the same |
| 04/29/1997 | US5625611 Method of recording on a recording medium employing an automatic updating of management data by monitoring the signal being recorded |
| 04/29/1997 | US5625506 Method and apparatus for reducing readback errors by controlling the phase locked loop |
| 04/29/1997 | US5625505 Method of and apparatus for regenerating partial-response record signal |
| 04/29/1997 | US5625461 Recording and reproducing apparatus |
| 04/24/1997 | WO1997015149A1 Method for making a multimedia application executable on hardware platforms with various different resource levels, a physical record containing such application, and an apparatus for executing such application |
| 04/24/1997 | WO1997015142A1 Method and apparatus for removing or defeating effects of copy protection signals from a video signal |
| 04/24/1997 | WO1997015052A1 Apparatus for recording data on and/or reproducing data from a recording medium and a method of recording data on and/or reproducing data from a recording medium |
| 04/24/1997 | WO1997015051A1 A cd-rom software protection system |
| 04/24/1997 | CA2210735A1 A cd-rom software protection system |
| 04/23/1997 | EP0769854A1 System enabling correct decoding, in binary message form, of a magnetic code recorded on a magnetic track |
| 04/23/1997 | EP0769781A2 Cost reduced interpolated timing recovery in a sampled amplitude read channel |
| 04/23/1997 | EP0769780A2 Information recording device and information output device |
| 04/23/1997 | EP0500044B1 Method and apparatus for recording information |
| 04/23/1997 | CN1148309A Digital video data decoding apparatus, and control method therefor |
| 04/23/1997 | CN1148247A Dual-deck videocassette recorder |
| 04/23/1997 | CN1148242A Automatic editing/recording device and dubbing system loaded with device |
| 04/23/1997 | CN1148241A Optical type regeneration arrangement |
| 04/23/1997 | CN1148237A Recording multiplexed plural data encoded by plural methods and decoding same according to particular decoding method |
| 04/23/1997 | CN1148235A Cd播放机 Cd Player |
| 04/22/1997 | US5623701 Data compression method and structure for a direct access storage device |
| 04/22/1997 | US5623623 Digital storage system adopting semiconductor memory device |
| 04/22/1997 | US5623595 Computer-implemented method |
| 04/22/1997 | US5623573 Backward compatible HDTV recording/reproducing system |
| 04/22/1997 | US5623557 Method and apparatus for data encoding and data recording medium |
| 04/22/1997 | US5623507 Error pointers for enhanced error correction |
| 04/22/1997 | US5623505 Apparatus for detecting presence of information data for use in recording medium playing apparatus |
| 04/22/1997 | US5623477 Optical recording disk capable of resynchronization in digital encoding and decoding |
| 04/22/1997 | US5623474 Disk apparatus having automatic adjustment of adaptive filter equalization parameter using training pattern |
| 04/22/1997 | US5623472 Method and apparatus for recording signals on a record carrier, measurement method and measurement device for use in the recording method and the recording apparatus, and record carrier |
| 04/22/1997 | US5623470 Reallocation of defective recording areas on CD-R or CD-E media |
| 04/22/1997 | US5623468 Disk apparatus for detecting address marks from a recording disk having data recorded in a zoned constant angular velocity type system |
| 04/22/1997 | US5623467 Data recording apparatus for recording data in sector units |
| 04/22/1997 | US5623459 Method and apparatus for error correcting reproduced data |