Patents
Patents for G11B 27 - Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel (59,746)
09/1991
09/18/1991EP0446995A1 Information recording device as well as information read device
09/18/1991EP0446892A2 Optical data medium recording methods
09/18/1991EP0446674A2 Recording and reproducing system
09/18/1991EP0446409A2 Control system for a compact disc player
09/18/1991EP0446334A1 Device for programmed recording by recognition of reference signals.
09/17/1991US5050156 Method and apparatus for calibrating the writing power applied to an optical media
09/17/1991US5050145 Optical disk recording and reproducing apparatus having faster reproducing speed than recording speed
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
09/17/1991US5050009 Video tape recorder with a joint-recording capability and a video camera having the same
09/17/1991US5050003 Image processing apparatus capable of displaying a plurality of screens
09/17/1991US5049911 Device for indicating a remaining quantity of recordable parts of a recording material in a camera
09/14/1991WO1991014317A1 Multichannel device for digital recording and reproduction of audio signals
09/14/1991CA2058303A1 Multi-channel device for the digital recording and playback of audio-signals
09/13/1991WO1991014265A1 Process for recording and/or reproducing digital data on a record carrier
09/11/1991EP0446054A2 Signal recording system
09/11/1991EP0446033A2 Compact disc players
09/11/1991EP0445170A1 Process for recovering a coded signal sequence
09/10/1991US5048004 Optical recording medium recording and reproducing device
09/10/1991US5047999 Optical record carrier reader calculating track pitch and write velocity for locating read point
09/10/1991US5047880 Magnetic disk pack with a servo recording surface
09/10/1991US5047879 Multi-channel reproducing apparatus with searching for programs
09/10/1991US5047878 Screen encore method for a VTR
09/10/1991US5047877 Windowing method of and apparatus for address mark detection
09/10/1991US5047873 Split swipe tape recording
09/10/1991US5047872 Fast and slow playback method and apparatus for data recorded on magnetic tape
09/10/1991US5047868 Image data processing method for selective partial image display
09/10/1991US5047867 Interface for a TV-VCR system
09/10/1991US5047619 High density data track layout for storage media
09/05/1991WO1991013497A1 Sound mixing device
09/05/1991DE4002367A1 Recovering coded signal sequence from film - digitising signals and eliminating DC component using regulating loop
09/04/1991EP0444513A2 Recording and reproducing system
09/04/1991EP0444512A2 Recording and reproducing system
09/04/1991EP0444511A2 Magnetic recording and reproducing system
09/04/1991CN2084227U Auto-searching and reading and writing type film disk driver
09/03/1991US5046167 Video tape recorder with a video printing controller
09/03/1991US5045956 Data reproducing apparatus
09/03/1991US5045955 Digital data recording and reproducing apparatus for recording and producing an image on and from a video tape through matrix conversion
09/03/1991US5045940 Video/audio transmission systsem and method
09/03/1991CA1288498C Remote-controlling commander with multi-function rotary dial
08/1991
08/28/1991EP0443545A2 Magnetic recording and reproducing system
08/28/1991EP0443272A2 Method and apparatus for synchronizing multiple CD players
08/28/1991CN1054163A Recording arrangement and reproducing arrangement
08/27/1991US5043829 Method and an apparatus for controlling a video cassette recorder
08/27/1991US5043828 Editing control system for recording and/or reproducing apparatus for video tape and so forth with high efficiency pre-view operation
08/22/1991WO1991012611A1 Method and apparatus for data interleave with pseudo-randomized resynchronization
08/21/1991EP0441967A1 Optical recording medium, data recording method and data reproducing method
08/20/1991US5041921 System for recording custom albums from a library of pre-recorded items
08/20/1991US5041769 DC motor apparatus with an index signal output
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
08/14/1991EP0441155A1 Method and apparatus for converting sampling frequencies
08/14/1991EP0440849A1 Recording - reading head disk system
08/14/1991EP0440810A1 Optical recording medium and information recording apparatus
08/14/1991CN1053858A Automatically searching, reading and writing type floppy driver
08/13/1991USRE33665 Digital signal detecting and compensating circuit with adjustable window signal
08/13/1991US5040164 Record player with turntable brake and balance wheels
08/13/1991US5040081 Audiovisual synchronization signal generator using audio signature comparison
08/13/1991US5040076 Video disk player including signal switching synchronization
08/13/1991US5040067 Method and device for processing multiple video signals
08/13/1991US5038660 Recording medium playing apparatus with program discontinuity response
08/07/1991EP0440413A2 Disk drive system and method for accessing a physical memory location therein
08/07/1991EP0440224A2 Data playback apparatus for realizing high transfer rate
08/07/1991EP0440017A1 Video and/or audio receiving and recording device
08/07/1991EP0439947A2 Video image bank
08/07/1991EP0439615A1 Method of recording cue signal and detector therefor
08/07/1991EP0155970B1 Apparatus for reproducing audio signal
08/07/1991CN1053702A Method of and device for providing record carrier with pattern of areas having modified optical properties
08/06/1991US5038332 Optical information recording medium including an optically detectable mark representing a boundary between the recording and non-recording areas
08/06/1991US5038231 Recording and reproducing apparatus which repositions table of contents information from one area to another on the medium
08/06/1991US5038220 Method and apparatus for simultaneously recording two independent video signals
08/06/1991US5038217 Apparatus and method for editing still video and audio information by erasure
08/03/1991CA2026978A1 Disc drive translation and defect management apparatus and method
07/1991
07/31/1991EP0439290A1 Recording and reproducing apparatus
07/31/1991EP0439282A2 Recording and reproducing apparatus
07/31/1991EP0439281A2 A recording and reproducing apparatus having program information
07/31/1991EP0439144A2 Apparatus and method for an image frame in plural blocks
07/31/1991EP0439132A1 Magnetic recording and reproducing apparatus
07/31/1991EP0438828A1 Method of and device for providing a record carrier with a pattern of areas having modified optical properties
07/31/1991CN1053506A Sectored servo independent of data architecture
07/31/1991CN1013416B Optical disc player
07/30/1991US5036410 System for random access to information on a magnetic tape
07/30/1991US5036408 High efficiency disk format and synchronization system
07/30/1991US5036406 Method and apparatus for obtaining identical output signal from nominally identical time base corrector unit having slightly different characteristics
07/30/1991US5035624 Presentation apparatus
07/30/1991CA1287165C Apparatus for reproducing a digital signal
07/25/1991WO1991011001A1 Data storage on tape
07/24/1991EP0438355A1 Method for reading a synchronizing signal from a record medium and an apparatus therefor
07/24/1991EP0438305A2 Data recording medium and data recording and reproducing apparatus
07/24/1991EP0438299A2 Offline editing systems
07/24/1991EP0437529A1 Film information exchange system using dedicated magnetic tracks on film with virtual data identifiers.
07/24/1991CN1053339A Digital transmission system, transmitter and receiver to be utilised in transmission system and record carrier obtained by means of transmitter in form of recording means
07/24/1991CN1053318A Character information display system of cassette player and a method thereof
07/24/1991CN1013319B Optical disc
07/23/1991US5034981 Anti-copying video signal processing
07/23/1991US5034938 Optical disc recording and playing apparatus
07/23/1991US5034934 Opto-magnetic disk unit with improved dynamic range characteristics and opto-magnetic disk therefor
07/23/1991US5034914 Optical disk data storage method and apparatus with buffered interface
07/23/1991US5034904 Vision system illumination calibration apparatus
07/23/1991US5034680 Digital level display device