| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 12/23/1997 | US5701406 Redundant array of disks with improved storage and recovery speed |
| 12/23/1997 | US5701314 On-the-fly error correction using thermal asperity erasure pointers from a sampled amplitude read channel in a magnetic disk drive |
| 12/23/1997 | US5701310 Data detection apparatus |
| 12/23/1997 | US5701304 Method for correcting unrecoverable sectors using track level redundancy in a disc drive storage system |
| 12/23/1997 | US5701285 Optical data reproducing apparatus |
| 12/23/1997 | US5701283 Method and apparatus for high speed optical storage device |
| 12/23/1997 | US5701282 Optical disk device capable of displaying the whole capacity and the reproduction position on the optical disk |
| 12/23/1997 | US5701281 Optical disk device capable of recording a control parameter on unused optical disk area |
| 12/23/1997 | US5701212 Digital tape recorder having sync detection based on a correlation between extracted sync and id fields |
| 12/23/1997 | US5701124 1-bit signal processing apparatus capable of amplitude modulation and recording or reproducing apparatus having loaded thereon the signal processing apparatus |
| 12/23/1997 | CA2045963C Method and apparatus for detecting recorded signals on a magnetic recording medium |
| 12/18/1997 | WO1997048097A1 A method and apparatus for trackwise burst error correction in a multitrack storage format |
| 12/18/1997 | WO1997048096A1 Method of preventing unauthorized use of magnetic recording medium, and magnetic reader/writer used for the method |
| 12/18/1997 | WO1997047980A2 Method for testing digital circuits within synchronously sampled data detection channel |
| 12/18/1997 | DE19717913A1 Operation method for hysteresis comparators for data reading |
| 12/18/1997 | CA2228127A1 Method for testing digital circuits within synchronously sampled data detection channel |
| 12/17/1997 | EP0813198A2 Recording and reproduction apparatus and method, and disk |
| 12/17/1997 | EP0813197A2 System for recording and/or reproducing a pulse code modulation digital audio signal |
| 12/17/1997 | EP0813194A2 Recording medium having digital copy management data recorded thereon, and recording and/or reproducing apparatus in which reproduction or recording operation is controlled on the basis of the digital copy management data |
| 12/17/1997 | EP0813141A2 A recordable compact disk controller circuit |
| 12/17/1997 | EP0812513A2 Method and system for reading data for a number of users |
| 12/17/1997 | EP0812492A1 Dual audio program system |
| 12/17/1997 | CN1168182A Information processing apparatus and method |
| 12/17/1997 | CN1168054A Dada receiver adapted for preventing works from illegitimate being copied |
| 12/17/1997 | CN1168047A Apparatus for improving visibility of images |
| 12/17/1997 | CN1167981A Apparatus and method for decoding coded digital signal |
| 12/17/1997 | CN1167980A Method and device for recording information |
| 12/17/1997 | CN1167979A Method and device for recording information |
| 12/17/1997 | CN1167978A Method for reproducing recording medium having data of multiple angles |
| 12/17/1997 | CN1167977A Rotary driving device and manufacturing method and device therefor |
| 12/17/1997 | CN1167972A Optical information recording/reproducing device and method for recording/reproducing information |
| 12/17/1997 | CN1167971A Sector data decoding method and circuit in CD-Rom drive |
| 12/17/1997 | CN1167944A System and method for connecting portable media with network and computer for use with system |
| 12/17/1997 | CN1167943A Adaptive compression caching for tape recording |
| 12/16/1997 | US5699549 Memory card having a card management information area for improved format capability and recording, reproducing, and erasing methods therefor |
| 12/16/1997 | US5699487 Artificial neural network read channel |
| 12/16/1997 | US5699479 Tonality for perceptual audio compression based on loudness uncertainty |
| 12/16/1997 | US5699476 Method and apparatus for transmitting and/or storing a series of hierarchically encoded digital image data blocks |
| 12/16/1997 | US5699473 Method for recording and reproducing intercoded data using two levels of error correction |
| 12/16/1997 | US5699434 Method of inhibiting copying of digital data |
| 12/16/1997 | US5699427 Method to deter document and intellectual property piracy through individualization |
| 12/16/1997 | US5699426 Video data bus communication system and method |
| 12/16/1997 | US5699370 Information recording and reproduction apparatus to be controlled by temporal information |
| 12/16/1997 | US5699343 For reading out data recorded on a medium |
| 12/16/1997 | US5699337 Information recording apparatus employing pit edge shifting wherein an error correcting circuit generates an error correction code which is added at part of bits of a predetermined plurality of bits constituting a unit of digital information |
| 12/16/1997 | US5699336 Reproducing apparatus having buffer memory and capable of rapidly restarting reproduction and method of controlling the apparatus |
| 12/16/1997 | US5699333 Optical disk reproducing method and apparatus having focusing gain and offset correction capability |
| 12/16/1997 | US5699331 Apparatus operating with recording medium according to positional information of a secret code |
| 12/16/1997 | US5699204 Method and apparatus for the coherent demodulation of an amplified modulated carrier using a dual track and hold amplifier and the application of said method and apparatus to measurement of magnetic media performance |
| 12/16/1997 | US5699203 Digital transmission signal processing system and recording reproducing system |
| 12/16/1997 | US5699061 Method and apparatus for generating NRZI code with limited runs of ones |
| 12/16/1997 | CA2050119C Circuit for recording and reproducing time base error corrector reference signal |
| 12/11/1997 | WO1997047133A1 Recording and reproducing device |
| 12/11/1997 | WO1997047131A1 Video tape recorder |
| 12/11/1997 | DE19721319A1 Servo information formation method for control of hard disc system |
| 12/11/1997 | DE19622596A1 Advertisement on computer and video CD-ROMs |
| 12/10/1997 | EP0812108A2 Method for recording and reproducing data |
| 12/10/1997 | EP0812092A2 Method and system for controlling the communication of electronic equipment |
| 12/10/1997 | EP0812091A2 Method and system for controlling the communication of electronic equipment |
| 12/10/1997 | EP0811974A2 Simple pulse position modulation channel/decoder |
| 12/10/1997 | EP0811295A2 A method and device for encoding, transferring and decoding a non-pcm bitstream between a digital versatile disc device and a multi-channel reproduction apparatus |
| 12/10/1997 | EP0811196A1 Method for manipulating disk partitions |
| 12/10/1997 | EP0789912A4 Method and apparatus for fingerprinting and authenticating various magnetic media |
| 12/10/1997 | EP0681771A4 Gain control circuit for synchronous waveform sampling. |
| 12/10/1997 | CN1167385A Audio-frequency signal compressing method |
| 12/10/1997 | CN1167321A Magnetic disc reproducing device and method for controlling it |
| 12/10/1997 | CN1167320A Data record method |
| 12/10/1997 | CN1167312A Record media, optical information reproducing device and search method |
| 12/10/1997 | CN1167311A Information record medium, recoridng and reproducing device used for it |
| 12/10/1997 | CN1036685C Information recording and reproducing apparatus |
| 12/09/1997 | US5696934 Method of utilizing storage disks of differing capacity in a single storage volume in a hierarchial disk array |
| 12/09/1997 | US5696921 System and method for allocating a write request on the same cylinder as a most recent read request on a rotating memory |
| 12/09/1997 | US5696868 Apparatus and method for recording/playing back broadcasting signal |
| 12/09/1997 | US5696867 Apparatus in digital video tape recorder for detecting a sync signal in digital data |
| 12/09/1997 | US5696793 Phase difference detection circuit for extended partial-response class-4 signaling system |
| 12/09/1997 | US5696775 Method and apparatus for detecting the transfer of a wrong sector |
| 12/09/1997 | US5696774 Digital signal recording device, digital signal playback device, and digital signal decoding device therefor |
| 12/09/1997 | US5696767 Bit error measuring apparatus |
| 12/09/1997 | US5696757 Optical disc, device for checking optical disc and device for recording information on optical disc |
| 12/09/1997 | US5696756 Optical disk having an evaluation pattern for evaluating the optical disk |
| 12/09/1997 | US5696745 Apparatus and method for detective a sync pattern and an address mark within data provided from a recording medium |
| 12/09/1997 | US5696640 Disk drive using virtual hands for continuous access and execution |
| 12/09/1997 | US5696639 For reading information stored on a magnetic medium |
| 12/09/1997 | US5696505 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as record carrier |
| 12/04/1997 | WO1997046013A1 Digital broadcast program recording and reproducing device |
| 12/04/1997 | WO1997045836A1 Optical disk with copy protection |
| 12/04/1997 | DE19722466A1 Recording and reproduction component system especially for CD and MD |
| 12/04/1997 | DE19706212A1 Magnetic disk reproduction arrangement |
| 12/04/1997 | DE19625635C1 Verschlüsselung und Entschlüsselung von Multimediadaten Encryption and decryption of the multimedia data |
| 12/03/1997 | EP0810787A1 Data processor, data processing method, data recorder, and data recording method |
| 12/03/1997 | EP0810604A2 Method for recording information on the control track of a storage medium |
| 12/03/1997 | EP0810603A1 Multimedia optical disc corresponding to different rating systems of different countries, and method and apparatus for reproduction |
| 12/03/1997 | EP0810602A2 Improvements in systems for achieving enhanced frequency resolution |
| 12/03/1997 | EP0810601A2 Improvements in hidden code side channels |
| 12/03/1997 | EP0810600A2 Improvements in systems for archieving enhanced amplitude resolution |
| 12/03/1997 | EP0810599A2 Improvements in signal encode/decode systems |
| 12/03/1997 | EP0810587A2 Information recording method and apparatus |
| 12/03/1997 | EP0809850A1 Parity calculation for raid write cache |
| 12/03/1997 | CN1166790A Interactive entertainment content control |
| 12/03/1997 | CN1166674A Constant density recording method and system for headless format in hard disc driver |