Patents
Patents for G11B 19 - Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function (26,229)
09/1995
09/19/1995US5452148 Preamplifing circuit for a magnetoresistance device
09/19/1995US5452097 Video data reproducing apparatus for reproducing video data and method therefor
09/19/1995US5451776 High resolution optical hybrid digital-analog linear position encoder
09/12/1995US5450489 System and method for authenticating software carriers
09/12/1995US5450379 Information storage medium, method of fabricating same, and drive unit for such medium
09/12/1995US5450260 Space saving support mechanism for an eccentric drive pin in a rotating disk storage apparatus
09/12/1995US5450255 Apparatus for searching a recording medium of an electronic still camera
09/12/1995US5450252 Hard disk drive including moving means for moving a recording/reproducing head and having a noise canceler utilizing series-connected filters in parallel with the moving means
09/12/1995US5449590 Multilayer
09/08/1995WO1995024036A1 Method and apparatus for automatic sector pulse generation and split field calculation in disk drives
09/06/1995EP0447412B1 Method and apparatus for improved thermal isolation and stability of disk drives
09/05/1995US5448550 Selecting sectors in a storage medium
09/05/1995US5448549 Process for stopping a rotating disc-shaped record medium
09/05/1995US5448539 Optical recording and reproducing apparatus
09/05/1995US5448435 Disc drive magnetic latch having permanent magnet and electromagnet
09/05/1995US5448428 Phase locking a disk drive spindle to a reference signal
09/05/1995US5448371 Video recording/reproducing apparatus capable of reading a label of laser disk
09/05/1995US5448120 Integrated hydrodynamic bearing/motor assembly
09/05/1995US5448119 Spindle motor
08/1995
08/30/1995EP0604435A4 1.8" winchester drive card.
08/29/1995US5446879 Disc changing apparatus with error logging
08/29/1995US5446723 Multiple data surface optical data storage system
08/29/1995US5446722 Information recording apparatus having magnetic shield means
08/29/1995US5446714 Disc changer and player that reads and stores program data of all discs prior to reproduction and method of reproducing music on the same
08/29/1995US5446711 Apparatus for recording and/or reproducing information and/or from optical information record disk
08/29/1995US5446687 Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom
08/29/1995US5446610 Disk storage device having a brushless DC drive motor
08/29/1995US5446604 Apparatus for detecting addresses recorded on each sector of a disk by detecting a first address mark and then in the absence of a second address mark, generating a pseudo address mark a predetermined time after detecting the first address mark
08/29/1995US5446601 Read/write circuit for minimizing recovery time
08/29/1995US5446565 Compound objective lens having two focal points
08/29/1995US5446325 Spindle motor and disk driving apparatus using the same
08/29/1995CA2031595C Disk file including means for ensuring disk/hub concentricity
08/29/1995CA2026740C Sensing previously-recorded information while recording or erasing a magnetooptic storage number
08/29/1995CA2017501C Recording/reproducing device
08/23/1995EP0668588A1 Recorded signal detection apparatus
08/23/1995EP0378222B1 Magnetic recording medium and method of magnetically recording and reading data
08/23/1995CN1107247A Disk drive spindle synchronization apparatus and method
08/23/1995CN1107246A Structure and enclosure assembly for a disk drive
08/22/1995US5444687 Method and device for accessing an optical disc
08/22/1995US5444685 Sector mark pattern detection for optical data disk controller
08/22/1995US5444191 Information processing apparatus and device for use in same
08/22/1995CA2023869C Optical disk recording/reproducing device
08/22/1995CA1336787C In-spindle motor assembly for disk drive and method for fabricating the same
08/16/1995EP0667618A1 Selection control method of a reproduction apparatus
08/16/1995EP0667614A1 Disk unit performing control using sector pulses
08/16/1995EP0667609A2 Signal recording system
08/15/1995USRE35019 Small-size magnetic disk drive mechanism with hermetically sealed chamber
08/15/1995US5442638 Apparatus and method for recording over defects in storage media
08/15/1995US5442608 Disk apparatus having a power consumption reducing mechanism
08/15/1995US5442247 Outer-rotor type spindle motor with a reduced thickness in the axial direction
08/15/1995US5442218 CMOS power fet driver including multiple power MOSFET transistors connected in parallel, each carrying an equivalent portion of the total driver current
08/09/1995EP0666566A1 Recording and/or reproduction apparatus
08/08/1995US5440693 Personal computer with drive identification
08/08/1995US5440529 Audio and general digital data recording and/or reproducing apparatus having two interface circuits
08/08/1995US5440233 Atomic layered materials and temperature control for giant magnetoresistive sensor
08/03/1995WO1995020814A1 Ultra thin film magnetic recording medium and related method and apparatus for recording and reproducing using spin-polarized electrons
08/02/1995EP0665548A1 Hard disk drives
08/02/1995EP0665545A2 Crash stop shock ring for the protection of disk drive motor bearings
08/02/1995EP0665535A2 Method and apparatus for controlling magnetic disk drive
08/02/1995EP0664919A1 Recording medium and appliance for generating sounds and/or images.
08/01/1995US5438601 Reference clock frequency divider
08/01/1995US5438464 Synchronization of multiple disk drive spindles
08/01/1995US5438344 Portable video book
08/01/1995US5437464 Data reading and image processing system for CD-ROM
07/1995
07/27/1995WO1995020220A1 A device for mixingly recording operation of a cassette
07/26/1995EP0664542A1 Reproducing system for automatically reproducing optical discs
07/26/1995EP0664506A2 System and method for user definition of data storage device physical format
07/26/1995EP0570420B1 Reproduction device
07/25/1995US5436775 Magnetic disk device
07/25/1995US5436643 Method and apparatus of recording images on recording medium capable of repetitive recordings, using various recording energies
07/25/1995US5436517 Recording disk driving apparatus
07/22/1995CA2138300A1 System and method for user definition of data storage device physical format
07/20/1995EP0704090A4 Passive non-contact magnetic latch
07/19/1995EP0663742A1 Manipulator for mixing sound and/or image of digital and/or analog supports
07/19/1995EP0614564A4 Microminiature hard disk drive.
07/19/1995EP0591448A4 Removable cartridge disk drive with cartridge interlocking and spindle motor telescoping mechanisms.
07/19/1995EP0583416A4 Optical data storage and retrieval system and method.
07/18/1995US5434730 Spindle motor and recording medium assembly
07/18/1995US5434729 Magnetic disc driving motor
07/18/1995US5434724 Method and apparatus for the high speed driving of a stepper motor against seek error upon power restoration in a microcomputer system
07/18/1995US5434722 Dual interface for disk drives
07/18/1995US5434719 Correction of header information in a magnetic disc drive
07/18/1995US5434717 Read and/or write integrated circuit having an operation timing adjusting circuit and constant current elements
07/18/1995US5434678 Seamless transmission of non-sequential video segments
07/12/1995CN1029342C Motor assembling structuru
07/11/1995US5432768 Method and device for data management in optical recording medium
07/11/1995US5432766 Disc reproducing apparatus
07/11/1995US5432659 Magnetic disk unit having a plurality of magnetic heads
07/11/1995US5432644 Disk drive unit having motor components in a compact arrangement
07/11/1995CA2013498C Speed detection apparatus, speed control motor, and track jump control circuit
07/06/1995WO1995018446A1 Security device for audio equipment
07/06/1995WO1995018443A1 Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk, and illegal program operation stop method
07/06/1995DE4446902A1 Mounting appts. for spindle-motor assembly for hard disc drive
07/05/1995EP0661696A1 Information storage and retrieval device
07/05/1995CN1104798A Device for playing back disks
07/04/1995US5430703 Digital information reproducing apparatus
07/04/1995US5430698 CD playing apparatus
07/04/1995US5430590 Spindle system for a disk drive
07/04/1995US5430584 Disk drive interface combining a magneto-resistive read and inductive write circuits
07/04/1995US5430553 Disc reproducing apparatus