| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 05/18/1994 | CN2165508Y Image and character display vocal accompaniment radio recorder |
| 05/18/1994 | CN1024603C Information recording system and recording device and record carrier |
| 05/17/1994 | US5313626 Disk drive array with efficient background rebuilding |
| 05/17/1994 | US5313612 Information recording and reproducing apparatus including both data and work optical disk drives for restoring data and commands after a malfunction |
| 05/17/1994 | US5313604 Method for locating compressed data in a computed memory back up device including steps of refining estimater location |
| 05/17/1994 | US5313589 Low level device interface for direct access storage device including minimum functions and enabling high data rate performance |
| 05/17/1994 | US5313585 Disk drive array with request fragmentation |
| 05/17/1994 | US5313472 Bit detecting method and apparatus |
| 05/17/1994 | US5313471 Error concealing method |
| 05/17/1994 | US5313450 Optical disk drive |
| 05/17/1994 | US5313443 Data playback apparatus for realizing high transfer rate |
| 05/17/1994 | US5313408 Multistation display system for controlling a display monitor associated with plural audio video devices |
| 05/17/1994 | US5313341 Device for processing file data with erasing identification data |
| 05/17/1994 | US5313340 Read/write controlling apparatus for adjusting the data length of a magnetic disk |
| 05/17/1994 | US5313339 Apparatus using a rotary head for recording digital video and audio signals at double speed |
| 05/17/1994 | US5313285 Facsimile apparatus having a helical scan VCR |
| 05/17/1994 | US5313236 Demodulation processing circuit with time interval counting feature |
| 05/17/1994 | US5313011 Apparatus for carrying out automatic play in synchronism with playback of data recorded on recording medium |
| 05/17/1994 | CA1329654C Protection from unauthorized use of a recorded digital signal |
| 05/11/1994 | WO1994010758A1 Process for transmitting and/or storing digital signals from several channels |
| 05/11/1994 | EP0596826A2 Shuffling method for a digital videotape recorder |
| 05/11/1994 | EP0596662A2 Noise shaping circuit and noise shaping method |
| 05/11/1994 | EP0596626A2 Digital signal reproducing method and apparatus |
| 05/11/1994 | EP0596527A2 Data recording apparatus |
| 05/11/1994 | EP0596417A2 Memory controller, reproducing apparatus, mounting the same and method for controlling the same |
| 05/11/1994 | EP0596398A2 Digital video signal recording apparatus |
| 05/11/1994 | EP0596340A2 Error correction circuit |
| 05/11/1994 | EP0596139A1 Optical disk recorder/reproducer |
| 05/11/1994 | EP0278006B1 A disc device and a disc-like recording medium |
| 05/11/1994 | DE4234926A1 Audio and/or video recording system with special effects facility |
| 05/11/1994 | CN1086652A Video library system and a method therefor |
| 05/10/1994 | US5311522 Error correction and/or detection device for product code block data |
| 05/10/1994 | US5311521 Method and apparatus for implementing post-modulation error correction coding scheme |
| 05/10/1994 | US5311498 Recording and reproducing apparatus provided in each data block with a secret information number |
| 05/10/1994 | US5311493 Data reproduction circuit for converting a read analog signal |
| 05/10/1994 | US5311376 Information detecting system |
| 05/10/1994 | US5311374 Recording/reproducing system using memory functions of digital audio tape recorder (DAT) and method thereof |
| 05/10/1994 | US5311373 Video tape recorder |
| 05/10/1994 | US5311372 Method of recording digital signals in an interleaving array form with enhanced error interpolation |
| 05/10/1994 | US5311370 Recording apparatus having continual and single-memory-portion recording modes |
| 05/10/1994 | US5311324 Apparatus with frame check capability for reproducing images by combining outputs of concurrently operating disk players storing portions of the images |
| 05/10/1994 | US5311323 Video signal recording system |
| 05/10/1994 | US5311182 Method and apparatus for regenerating a distorted binary signal stream |
| 05/10/1994 | US5311178 Method for processing sample values in an RLL channel |
| 05/10/1994 | CA2002303C System and a process for recording cartographic information on a videodisk |
| 05/05/1994 | DE4236989A1 Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle Method for the transmission and / or storage of digital signals of multiple channels |
| 05/04/1994 | EP0595628A2 Magnetic recording and/or reproducing apparatus |
| 05/04/1994 | EP0595558A2 An apparatus having identifying means for identifying a type of tape cartridge |
| 05/04/1994 | EP0595454A2 Disk drive using PRML class IV sampling data detection with digital adaptive equalization |
| 05/04/1994 | EP0595322A1 Optical information recording or reproducing apparatus |
| 05/04/1994 | EP0595249A2 Magnetic disk controller capable of avoiding erroneous write operation |
| 05/04/1994 | EP0595055A2 Disk replication apparatus |
| 05/03/1994 | US5309425 Signal processing circuit for optical disk apparatus |
| 05/03/1994 | US5309297 Digital cassette tape reproducing device including novel drive circuit |
| 05/03/1994 | US5309293 Magnetic recording/reproducing apparatus |
| 05/03/1994 | US5309292 Digital recording and/or reproduction apparatus of video signal rearranging main components within a fixed length block |
| 05/03/1994 | US5309290 Apparatus for variably compressing video and audio information within constant data block |
| 05/03/1994 | US5308961 Optical-card reader |
| 05/01/1994 | CA2109015A1 Digital video signal recording apparatus |
| 04/28/1994 | WO1994009564A1 Digital equalization in optical recording systems |
| 04/28/1994 | WO1994009493A1 Recording medium and appliance for generating sounds and/or images |
| 04/27/1994 | EP0594413A1 Signal modulator |
| 04/27/1994 | EP0594132A2 Recording apparatus for an optical recording medium |
| 04/26/1994 | US5307216 Sector identification method and apparatus for a direct access storage device |
| 04/26/1994 | US5307213 Data reproducing apparatus for eliminating undershoots in the vicinity of the outer edges of a magnetic pole |
| 04/21/1994 | DE4334773A1 Information reproduction appts., esp. for audio data - picks up data stored on e.g. magneto-optical disc and stores data in ROM |
| 04/21/1994 | DE3348393C2 Disc information playback system reading optical digital data |
| 04/20/1994 | EP0593370A1 Apparatus and method for laser noise cancellation in an optical storage system using a front facet monitor signal |
| 04/20/1994 | EP0593305A2 Information carrier and recording and/or reproducing and/or initializing apparatus |
| 04/20/1994 | EP0593260A2 Coding of data |
| 04/20/1994 | EP0593233A2 Information reproducing apparatus |
| 04/20/1994 | EP0593214A2 Method and apparatus for multichannel recording and reproducing |
| 04/20/1994 | EP0593179A1 Digital signal reproducing apparatus having sampling rate converter |
| 04/20/1994 | EP0593173A2 Apparatus for recording digital signals by controlling frequency characteristics of digital signals |
| 04/20/1994 | EP0593056A2 Information signal recording apparatus |
| 04/20/1994 | EP0593044A2 Recording system for a singalong disc player |
| 04/20/1994 | EP0593037A2 Data recording method, data recording apparatus and data recording medium |
| 04/20/1994 | EP0593032A2 Management of recordable area for TOC (table of contents) and recording or recording/reproducing apparatus for performing recording action based on the same TOC information |
| 04/20/1994 | EP0593021A2 Magnetic disk apparatus |
| 04/20/1994 | CN2162697Y Speed-change device for sound |
| 04/20/1994 | CN1085721A Apparatus and method for preventing unauthorized copying of video signals |
| 04/20/1994 | CN1085709A Method and system for transmiting of audio signals and computer data |
| 04/20/1994 | CN1085680A Record replaying apparatus |
| 04/19/1994 | US5305439 Method and apparatus for time-shared processing of different data word sequences |
| 04/19/1994 | US5305324 Data scrambling interface for correcting large burst errors in high speed, high capacity tape drives |
| 04/19/1994 | US5305302 Track format and record carrier system for split data field support |
| 04/19/1994 | US5305295 Efficient method and apparatus for access and storage of compressed data |
| 04/19/1994 | US5305157 Read circuit providing two different reference levels for reading the servo sectors and data sectors of a rotating data storage disk |
| 04/19/1994 | US5305156 Digital data storage apparatus comprising circuit for reducing read errors |
| 04/19/1994 | US5305155 Digital data reproducing apparatus |
| 04/19/1994 | US5304997 8-bit data word to 15-bit codeword converter utilizing periodically varying digital sum variation |
| 04/19/1994 | CA1328688C Apparatus and method for recording a digital signal on a magnetic tape |
| 04/19/1994 | CA1328687C Error detecting circuit |
| 04/14/1994 | WO1994008394A1 Timing recovery circuit for synchronous waveform sampling |
| 04/14/1994 | WO1994002937A3 Data signal recording and reproduction method |
| 04/14/1994 | DE4234033A1 Transmitting information for educational purposes - using stereo audio transmitter and receiver to transmit audio signals over first channel and data signals over second channel |
| 04/14/1994 | DE4233655A1 Long time storage of data on tape - entering data into code written onto tape by array of LED devices as tape moves continuously |
| 04/13/1994 | EP0592229A2 Multiple error correcting method |
| 04/13/1994 | EP0592042A2 System comprising a magnetic-tape cassette and a magnetic-tape apparatus, and magnetic-tape cassette, tape-cleaning means and tape cleaning element for use in the system |
| 04/13/1994 | EP0591842A1 Method and apparatus for concealing bit errors and interpolations in digital sound signals |