Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
10/1991
10/08/1991US5055948 Magnetic tape using two end position identifying parts and a data recording method and apparatus using the magnetic tape
10/08/1991US5054359 MIDI signal processor
10/03/1991WO1991014982A1 Methods and apparatus for assigning signatures to members of a set of mass storage devices
10/03/1991WO1991014471A1 Process for imparting knowledge
10/02/1991EP0449530A2 A memory medium having a control program memorized therein and an information processing method and an information processing apparatus using the same medium
10/02/1991EP0449276A2 Recording position compensation circuit for use in digital information recording-reproduction apparatus
10/02/1991EP0449214A2 Digital audio tape recorder
10/02/1991EP0449213A2 Interleave address generating circuit of digital audio tape recorder
10/02/1991EP0449212A2 Signal processing circuit of digital audio tape recorder
10/02/1991EP0449126A2 Picture displaying method for audio video system
10/02/1991CN1055078A Digital recording and reproducing system
10/01/1991WO1991015845A1 Broadcast digital sound processing system with time companding
10/01/1991US5054077 Fader device
10/01/1991US5054017 Optical information reproducing apparatus
10/01/1991US5053898 Recording and/or reproducing apparatus, particularly with means for searching for vacant tracks
10/01/1991US5053891 Method of prerecording tape and apparatus for use therewith
10/01/1991CA2078446A1 Broadcast digital sound processing system with time companding
09/1991
09/26/1991DE4009103A1 Verfahren zur wissensvermittlung Method for switching to know
09/25/1991EP0448455A2 A system for inserting a synchronizing pattern in digital audio data on an optical disk
09/25/1991EP0448378A2 Information recording and reproducing device
09/25/1991EP0448370A2 Digital signal recording/reproducing system
09/25/1991EP0448160A1 Digital recording and reproducing system
09/25/1991EP0447495A1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio.
09/25/1991EP0162689B1 Magnetic disc reproducing apparatus
09/25/1991EP0090040B1 Disk format for secondary storage system
09/24/1991US5051998 Data block deinterleaving and error correction system
09/24/1991US5051848 Method and apparatus for reproducing magnetic tape using rotary drum heads
09/24/1991US5051847 Magnetic head driver amplifier for oblique track recording tape
09/24/1991US5051836 Optical disc with pregrooves and recording method and apparatus using an optical disc of that type
09/24/1991US5051614 Dropout detecting apparatus
09/24/1991US5051569 Method for recording data onto optical data recording cards including data regions and sync regions
09/24/1991CA1289664C Pulse width decoder for double frequency encoded serial data
09/21/1991CA2038375A1 Digital recording and reproducing system
09/19/1991WO1991014266A1 Tape storage device
09/19/1991DE4007814A1 Verfahren zur aufzeichnung und wiedergabe von digitalen daten auf einem aufzeichnungstraeger A method for recording and reproducing digital data on a record carrier
09/18/1991EP0447342A2 Relative timing precompensation of high-speed pulse signals for digital magnetic recording
09/18/1991EP0447319A2 A system for controlling continuous data input of an optical disk
09/18/1991EP0447246A2 A data recovery method in a magnetic disk data storage device
09/18/1991EP0447210A2 Carrier reset FM modulator and method of frequency modulating video signals
09/18/1991EP0446334A1 Device for programmed recording by recognition of reference signals.
09/17/1991US5050171 Burst error correction apparatus
09/17/1991US5050169 Method and apparatus for testing magnetic disks
09/17/1991US5050150 Information disc apparatus
09/17/1991US5050144 Recording intensity modulated signals and polarization-modulated optical signals in the same area of a storage member
09/17/1991US5050013 Hard sectoring circuit and method for a rotating disk data storage device
09/17/1991US5050011 Recording control apparatus
09/13/1991WO1991014265A1 Process for recording and/or reproducing digital data on a record carrier
09/11/1991EP0446033A2 Compact disc players
09/11/1991EP0445170A1 Process for recovering a coded signal sequence
09/11/1991EP0167826B1 Diskette drive and media type determination mechanism
09/10/1991US5048004 Optical recording medium recording and reproducing device
09/10/1991US5048003 Method of and device for recording information, record carrier, device for reading the recorded information, and encoding and decoding circuit for use in the recording and read device
09/10/1991US5047876 Adaptive prewrite compensation apparatus
09/10/1991US5047875 Recording system which can record signals from two fields for the composition of one picture
09/10/1991US5047874 Technique for certifying disk recording surface
09/10/1991US5047873 Split swipe tape recording
09/10/1991US5047869 Recording device for electronic still camera
09/10/1991US5047865 System for transmitting a digital video signal
09/10/1991CA1288870C Method of handling disk sector errors in dasd cache
09/05/1991WO1991013437A1 A high speed encoder for non-systematic codes
09/05/1991WO1991013436A2 Process for evaluating binary data of a magnetic storage card
09/05/1991DE4002367A1 Recovering coded signal sequence from film - digitising signals and eliminating DC component using regulating loop
09/04/1991EP0444886A2 Disk drive accessing system and method of accessing a disk drive
09/04/1991EP0444838A2 Video signal reproducing apparatus
09/03/1991WO1991013404A1 Data storage apparatus and method
09/03/1991WO1991013399A1 Disk array system
09/03/1991US5046158 Optical scanning apparatus with control circuit for optimizing the operating range of an A/D converter
09/03/1991US5046095 Digital data processor having data-unscrambling function
09/03/1991US5045956 Data reproducing apparatus
09/03/1991US5045939 Apparatus utilizing motion detector for converting a maximum motion portion of a wide screen tv signal to a normal screen tv signal
09/03/1991US5045818 PLL frequency modulator having bias voltage applied to filter capacitor
09/03/1991US5045812 PLL circuit for producing a clock signal
09/03/1991US5045811 Tuned ring oscillator
08/1991
08/28/1991EP0443676A1 Transmission system for digitised television images
08/28/1991EP0443554A2 A facsimile apparatus
08/28/1991EP0443545A2 Magnetic recording and reproducing system
08/28/1991EP0443272A2 Method and apparatus for synchronizing multiple CD players
08/27/1991US5043967 Structured data storage method and medium
08/27/1991US5043830 System for recording and reproducing digital audio signal
08/27/1991US5043826 Method and apparatus for recording and reproducing picture information and timely reproducing images by graphic codes
08/27/1991US5043825 Intermediate picture field storage system for slow motion playback of video tape recording
08/22/1991WO1991012611A1 Method and apparatus for data interleave with pseudo-randomized resynchronization
08/22/1991DE4102885A1 Impulsformungssystem fuer festplattenlaufwerke Pulse shaping system for fixed disk drives
08/21/1991EP0442818A2 FM demodulator
08/21/1991EP0441967A1 Optical recording medium, data recording method and data reproducing method
08/21/1991CN1013630B Method and apparatus for converting run length limited code
08/20/1991US5042037 Digital data modulation circuit having a DC component suppression function
08/20/1991US5041926 Track position syncopation cancellation in a disk drive
08/20/1991CA1287882C Digital data detector
08/14/1991WO1991012577A1 Disk drive memory
08/14/1991EP0441702A1 Method and system for marking and identifying data
08/14/1991EP0441434A1 Method of and device for recording signals on a record carrier
08/14/1991EP0441342A2 Noise reduction apparatus for eliminating periodic noise
08/14/1991EP0441280A1 Method and apparatus for decoding two frequency (F/2F) data signals
08/14/1991EP0441090A2 Computer controlled optimized pairing of disk units
08/14/1991CN1053856A Method for recording digital signal and arrangements of reproduction thereof
08/14/1991CA2075934A1 Disk drive memory
08/13/1991USRE33665 Digital signal detecting and compensating circuit with adjustable window signal
08/13/1991US5040061 Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame
08/13/1991US5039893 Signal delay device
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