| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 08/26/1997 | US5661848 Multi-drive controller with encoder circuitry that generates ECC check bytes using the finite field for optical data for appending to data flowing to HDA |
| 08/26/1997 | US5661800 Method and manufacture for preventing unauthorized use by judging the corresponding relationship between logical and physical addresses |
| 08/26/1997 | US5661760 Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector |
| 08/26/1997 | US5661715 Mass produced multisessions disc for playback on audio-only and CD-ROM players |
| 08/26/1997 | US5661713 Optical information reproducing apparatus with a threshold level generator to eliminate DC level fluctuation |
| 08/26/1997 | US5661710 Record carrier, recording device and reading device |
| 08/26/1997 | US5661709 Digital signal detection circuit |
| 08/26/1997 | US5661708 Apparatus and method for detecting a sync pattern and an address mark within data provided from a recording medium |
| 08/26/1997 | US5661707 Method and apparatus for recording an information signal with scrambling thereof |
| 08/26/1997 | US5661706 Recording and reproducing apparatus and recording and reproducing method providing real time editing while data is being input |
| 08/26/1997 | US5661703 Optical recording medium having a non-volatile identification code and method for encoding data using same |
| 08/26/1997 | US5661478 Conversion between analogue and digital signals |
| 08/26/1997 | US5661425 Digital PLL circuit |
| 08/22/1997 | CA2197972A1 Editing apparatus and editing method |
| 08/21/1997 | WO1997030533A1 Method and apparatus for securing and authenticating encoded data and documents containing such data |
| 08/21/1997 | WO1997030446A1 Data recording apparatus, data reproduction apparatus, data recording method and data reproduction method |
| 08/21/1997 | WO1997030444A1 Method and device for recording an optical information carrier |
| 08/21/1997 | WO1997030441A1 Method and apparatus for sampled-data partial-response signal timing error detector having zero self-noise |
| 08/21/1997 | WO1997030440A2 Method and device for recording at different writing speeds on an optical information carrier |
| 08/21/1997 | WO1997030439A2 Device for recording an information carrier, method and information carrier therefor |
| 08/20/1997 | EP0790743A2 Apparatus for synchronizing compressed signals |
| 08/20/1997 | EP0790739A2 Recording medium |
| 08/20/1997 | EP0790615A2 Data decoding apparatus and method and data reproduction apparatus |
| 08/20/1997 | EP0790614A2 A helical scan data recording apparatus and a helical scan data reproducing apparatus |
| 08/20/1997 | EP0790613A2 Recording and playback device and method for a disk with a plurality of zones of constant angular velocity |
| 08/20/1997 | EP0789912A1 Method and apparatus for fingerprinting and authenticating various magnetic media |
| 08/20/1997 | EP0789910A1 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, device, recording device, signal, as well as a record carrier |
| 08/20/1997 | EP0789908A1 Read/write protect scheme for a disk cartridge and drive |
| 08/20/1997 | CN1157665A Signal-processing method and device for block-coded audio signals of audio communication system |
| 08/20/1997 | CN1157532A Method and apparatus for recording and reproducing digital video signals as formation of copy protection of tape |
| 08/20/1997 | CN1157506A Poly-phase filter, apparatus for compensating for timing error using the same and method therefor |
| 08/20/1997 | CN1157456A Helical scan data recording apparatus and helical scan data reproducing apparatus |
| 08/20/1997 | CN1157441A Device for determining quantizing number of image signal |
| 08/19/1997 | US5659799 System for controlling disk drive by varying disk rotation speed when buffered data is above high or below low threshold for predetermined damping period |
| 08/19/1997 | US5659704 Methods and system for reserving storage space for data migration in a redundant hierarchic data storage system by dynamically computing maximum storage space for mirror redundancy |
| 08/19/1997 | US5659613 Method and apparatus for copy protection for various recording media using a video finger print |
| 08/19/1997 | US5659577 Digital information modulating apparatus |
| 08/19/1997 | US5659557 Reed-Solomon code system employing k-bit serial techniques for encoding and burst error trapping |
| 08/19/1997 | US5659556 Device for processing digital data and digital video system compressing the device |
| 08/19/1997 | US5659535 Method for retrieving data from a storage device |
| 08/19/1997 | US5659529 Data encoder |
| 08/19/1997 | US5659528 Information recording-reproduction method |
| 08/19/1997 | US5659400 Information signal recording device for recording main information signal with index signal for rapidly and accurately searching main information signal |
| 08/19/1997 | US5659317 Apparatus for reproducing digital audio waveform data |
| 08/19/1997 | US5659309 Data recording/reproducing apparatus having viterbi decoder and method thereof |
| 08/14/1997 | WO1997029549A1 Wide band audio signal encoder, wide band audio signal decoder, wide band audio signal encoder/decoder and wide band audio signal recording medium |
| 08/14/1997 | WO1997029488A1 Audio and video data recording and reproducing apparatus and method thereof |
| 08/14/1997 | WO1997029486A2 Encoder for digital data storage |
| 08/14/1997 | WO1997029485A1 Data decoder |
| 08/14/1997 | WO1997029483A1 Optical disk, optical disk device, and method of reproducing information on optical disk |
| 08/14/1997 | DE19705264A1 Time lapse video recording device for surveillance |
| 08/14/1997 | CA2466569A1 Encoder for digital data storage |
| 08/13/1997 | EP0789361A2 Data reception apparatus, data transmission apparatus, information processing system, data reception method and information record medium storing the data reception method suitable for preventing illegal copy of documents |
| 08/13/1997 | EP0789360A2 Data recording and reproduction |
| 08/13/1997 | EP0789359A2 Decoding device and method |
| 08/13/1997 | EP0789353A2 Disk drive apparatus and disk storage medium for high density recording |
| 08/13/1997 | EP0587733B1 Low computational-complexity digital filter bank |
| 08/13/1997 | EP0458554B1 Method and apparatus for formatting data on DASD arrays |
| 08/13/1997 | CN1157049A System for storying and reproducing information |
| 08/13/1997 | CN1156942A Apparatus and method for recording and reproducing data |
| 08/13/1997 | CN1156930A Digital data transmitting method |
| 08/13/1997 | CN1156881A Intelligent envelope detector and method for gain control for PRML data |
| 08/13/1997 | CN1156880A Packet data recording/reproducing system |
| 08/13/1997 | CN1156873A Method and apparatus for restoring thermal response signal of magnetoresistive head |
| 08/12/1997 | US5657359 Phase synchronizer and data reproducing apparatus |
| 08/12/1997 | US5657312 Optical disc having pits in multiple regions and signal processing circuit therefor |
| 08/12/1997 | US5657309 Video disc recording and playback system with two recording areas to record an information signal and a reference signal |
| 08/12/1997 | US5657308 Apparatus for recording/reproducing information data in two dimensional format |
| 08/12/1997 | US5657176 Method and apparatus for optimizing the recording and reproducing of information from magnetic disks |
| 08/12/1997 | US5657074 Apparatus for reproducing still images with music |
| 08/12/1997 | US5657013 Method of encoding and decoding a digital signal |
| 08/12/1997 | US5656348 Optical recording medium and its recording apparatus and reproducing apparatus |
| 08/07/1997 | WO1997028630A2 System and method for interfacing multiple electronic devices |
| 08/07/1997 | WO1997028530A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs |
| 08/07/1997 | WO1997018561A3 Mehods and apparatus for high speed optical storage device |
| 08/07/1997 | CA2281687A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs |
| 08/06/1997 | EP0788106A1 Multimedia optical disk for which producer coordinates viewing/listening mode including special reproduction at will and reproducing device and reproducing method for the disk |
| 08/06/1997 | EP0788105A1 Multimedia optical disk for easily realizing branch reproduction to parental lock section with a little amount of control information and reproducing device therefor |
| 08/06/1997 | EP0788104A1 Multimedia optical disk capable of preserving freshness of image content for long time and its reproduction apparatus and method |
| 08/06/1997 | EP0788102A2 Predictive failure detection for data storage systems |
| 08/06/1997 | EP0788101A1 Multimedia optical disk which realizes dynamic switching between reproduced outputs, and reproducing apparatus |
| 08/06/1997 | EP0788097A2 Mastering compact disks and minidisks |
| 08/06/1997 | EP0788094A1 Multimedia optical disk capable of developing scenes with full unexpectedness on the basis of interactive control, its reproduction apparatus and its reproduction method |
| 08/06/1997 | CN1156361A Multiplexing method and equipment for digital signal and recording medium for digital signal |
| 08/06/1997 | CN1156309A High speed searching device for standard definative cassette video tape recorder |
| 08/06/1997 | CN1035577C Analog signal delay method and stutter treatment apparatus with same |
| 08/06/1997 | CN1035576C Method for recording and reproducing of data |
| 08/05/1997 | US5655051 Digital signal reproducing apparatus |
| 08/05/1997 | US5655050 Apparatus and method for recording and reproducing digital signal in synchronization blocks |
| 08/05/1997 | US5655048 Image reproducing apparatus capable of eliminating vertical wobbles |
| 08/05/1997 | US5654990 Real-time digital audio compression/decompression system |
| 08/05/1997 | US5654952 Device for compressing digital signals |
| 08/05/1997 | US5654950 Method for protecting data recorded on a partial read-only memory (ROM) medium from unauthorized copying |
| 08/05/1997 | US5654949 Recording medium reproducing device |
| 08/05/1997 | US5654948 Disc apparatus for recording/reproducing with zone constant angular velocity |
| 08/05/1997 | US5654947 Method for recording information on a record carrier having a track which is transversely modulated in accordance with an auxiliary signal including address codes and auxiliary codes, and a method for producing the track |
| 08/05/1997 | US5654944 Method for reproducing a reserved program and compact disc player employing the same |
| 08/05/1997 | US5654842 Head displacement measuring method and apparatus and data recording/reproducing method and apparatus |
| 08/05/1997 | US5654839 Control apparatus and method for conveyance control of medium in library apparatus and data transfer control with upper apparatus |
| 08/05/1997 | US5654835 Magnetic disk controller capable of avoiding erroneous write operations to ZBR-type magnetic disks |