| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
|---|
| 01/11/1994 | US5278711 Disk drive assembly |
| 01/11/1994 | US5278709 Magnetic storage disk |
| 01/11/1994 | US5278704 Information processing apparatus including magnetic material having a predetermined magnetization pattern with respect to a recording medium |
| 01/05/1994 | EP0577214A2 Zoned record carrier |
| 01/05/1994 | EP0576839A2 A rotary actuator disk drive |
| 01/05/1994 | EP0576803A1 Air bearing magnetic head slider |
| 01/05/1994 | EP0576723A1 Magnetic head and method of manufacturing a magnetic head |
| 01/05/1994 | EP0576680A1 Magnetic head assembly, its manufacture, and magnetic disc device |
| 01/04/1994 | US5276573 Slider unit controllably actuated at a surface of a moving information recording medium |
| 01/04/1994 | US5276570 X-distance compensating circuit for adjusting head-switching time by controlling the synchronization of record and playback control pulses to/from a magnetic tape of a magnetic recording/reproducing apparatus |
| 01/04/1994 | US5276564 Programmable start-of-sector pulse generator for a disk drive using embedded servo bursts and split data fields |
| 12/29/1993 | EP0576135A1 Control apparatus for a disk storage system |
| 12/29/1993 | EP0575934A2 Recording and reproduction of information in ROM-RAM storage media |
| 12/28/1993 | US5274519 Magnetic recording apparatus with air vane actuated regulating member for head slider |
| 12/28/1993 | US5274511 Servo signal recording method and apparatus |
| 12/28/1993 | US5274510 Track address pattern for a disk memory apparatus |
| 12/28/1993 | US5274507 High performance disk storage system |
| 12/23/1993 | WO1993026007A1 Steering laser beam while etching optical servo tracks for magnetic disks |
| 12/23/1993 | WO1993026004A1 Apparatus for and method of verifying etching of optical servo information on magnetic media |
| 12/23/1993 | WO1993025343A1 Pneumatic hub locking device for etching optical servo tracks on magnetic disks |
| 12/23/1993 | WO1993025341A1 Acousto-optical intensity control of laser beam |
| 12/22/1993 | CN1023280C Digital transmission system using subband coding of digital signal |
| 12/21/1993 | US5272688 Apparatus for writing and/or reading information on and/or from optical card |
| 12/15/1993 | CN1079575A Liquid-bearing data recording disk file with transducer carrier having rear ski pad at the head-disk interface |
| 12/14/1993 | US5270885 Hard-disk storage apparatus with memory storing data-head control information |
| 12/14/1993 | US5270880 Predictive read-write inhibit decision using fuzzy logic |
| 12/14/1993 | US5270529 Device for sensing rotary head position of magnetic recording and reproducing apparatus |
| 12/14/1993 | CA1325272C Head driving apparatus |
| 12/08/1993 | EP0573290A1 Tracking-servo-system controller in an optical-disk player |
| 12/08/1993 | EP0573286A2 Limit stop for disc drives |
| 12/08/1993 | EP0573160A1 Crash stop and magnetic latch for optimum use of disc space |
| 12/08/1993 | EP0572789A2 Apparatus and method for shock attenuation in a disk recording and/or reproduction system |
| 12/07/1993 | US5268884 Seek control method and apparatus for disk apparatus |
| 12/07/1993 | US5268883 Track access device and tracking control device |
| 12/07/1993 | US5268804 Actuator arm controller for a storage device |
| 12/07/1993 | US5268801 Sealed disk drive unit having an internal dynamic mechanism |
| 12/07/1993 | US5268800 Disk drive servosystem using gray code |
| 12/07/1993 | CA2006127C Atf controller for digital audio tape recorder |
| 12/04/1993 | CA2096552A1 Tracking-servo-system controller in an optical-disk player |
| 12/01/1993 | EP0572255A2 Device for and method of searching time code recorded on disk |
| 12/01/1993 | EP0572042A2 High-speed search method for use in a disc player system |
| 11/30/1993 | US5267227 Disk storage apparatus with an actuator locking device |
| 11/30/1993 | US5267144 Access method of an actuator and control apparatus therefor |
| 11/30/1993 | US5267110 Rotary actuator for a direct access storage device |
| 11/30/1993 | US5267109 Air bearing slider with relieved trailing edge |
| 11/30/1993 | US5267104 Liquid-bearing data recording disk file with transducer carrier having rear ski pad at the head-disk interface |
| 11/30/1993 | US5266769 Process for independent control of crown and camber for magnetic head slider |
| 11/30/1993 | US5265325 Tooling for assembly of compact disk drive |
| 11/24/1993 | CN1022870C Disk file or tape drive with high servo sample rate |
| 11/24/1993 | CN1022869C Transducer head skew arrangement for sidk drive system |
| 11/23/1993 | US5265080 Servo phase compensation selection system for an optical disc player |
| 11/23/1993 | US5265079 Seek actuator for optical recording |
| 11/23/1993 | US5264771 Stepping motor control system |
| 11/23/1993 | CA1324663C Servo gain compensation in a disc drive |
| 11/23/1993 | CA1324662C Disk recording and/or reproducing apparatus |
| 11/18/1993 | EP0569593A1 Disc device |
| 11/18/1993 | EP0569547A1 Microstructure array and activation system therefor |
| 11/18/1993 | EP0569412A1 Track control circuit |
| 11/18/1993 | EP0563267A4 Rotary inertial latch for disk drive actuator |
| 11/16/1993 | US5262913 Easily adjustable crash stop for a disc drive |
| 11/16/1993 | US5262912 Limit stop and limit stop incorporating a flux concentrator latch for disc drives |
| 11/16/1993 | US5262907 Hard disc drive with improved servo system |
| 11/16/1993 | CA1324438C Center of percussion head actuator assembly |
| 11/11/1993 | DE4314167A1 Pendular positioner, e.g. for magnetic diskette drive - has moving coil at end of pendular arm swinging in air gap between flat permanent magnet and upper yoke |
| 11/10/1993 | EP0568632A1 Laminated load beam |
| 11/10/1993 | EP0363468B1 Magnetic recording device using circumferentially offset heads with double sided media |
| 11/10/1993 | EP0299084B1 Circuitry and method for controlling positioning of a head in a data storage device |
| 11/09/1993 | US5260847 Sleeveless rotatable beryllium/aluminum actuator arm for a magnetic disc drive |
| 11/09/1993 | US5260846 Compact hard disk assembly having a head carriage positioning arts located within the outer circumference of a hard disk |
| 11/09/1993 | US5260634 Constant current driving system for a stepper motor in rotating disk |
| 11/09/1993 | US5260618 Space optimization voice coil motor for disc drives |
| 11/03/1993 | EP0568257A1 Data transfer head |
| 11/03/1993 | EP0568252A1 Transducer assembly and data recording disk file incorporating same |
| 10/31/1993 | CA2090708A1 Combination transducer/slider/suspension and method for making |
| 10/27/1993 | EP0567315A1 Method and apparatus for the reproduction of a partially recorded optical disk |
| 10/27/1993 | EP0566998A2 Sliding-type magnetic head for magnetooptical recording |
| 10/26/1993 | US5257252 Adaptive control system for a disk drive actuator |
| 10/26/1993 | US5257250 Tracking-control target-position adjustment method |
| 10/26/1993 | US5257151 Disc-drive with a rim-motor |
| 10/26/1993 | US5257147 Method for setting tracking data of variable speed modes in a video tape recorder |
| 10/26/1993 | US5257143 Method and apparatus for positioning head of disk drive using zone-bit-recording |
| 10/26/1993 | US5257111 Continuous both-side playback type video disc apparatus |
| 10/26/1993 | US5257091 Optical alignment system for aligning a multiple gap tape head assembly |
| 10/21/1993 | DE4212539A1 Automatic tracking for video recorder with inserted time reference - picking up defined change in signal series in period before and/or after useful signal gaps |
| 10/20/1993 | EP0566146A2 Optical disk apparatus |
| 10/20/1993 | EP0565856A2 Programmable start-of-sector pulse generator for a disk drive using embedded servo bursts and split data fields |
| 10/19/1993 | US5255253 Apparatus and method for controlling the velocity of a disk storage head |
| 10/19/1993 | US5255249 Seek control apparatus |
| 10/19/1993 | US5255135 Method of loading slider and magnetic disk apparatus |
| 10/19/1993 | US5255131 Asynchronous servo identification/address mark detection for PRML disk drive ssytem |
| 10/19/1993 | US5254995 Analog to digital peak detector utilizing a synchronization signal |
| 10/19/1993 | CA1323421C Disc drive slider configured to counteract roll |
| 10/19/1993 | CA1323420C Controlled drag for magnet actuator |
| 10/14/1993 | WO1993020557A1 Data recording medium and data recording apparatus |
| 10/13/1993 | EP0565162A2 Predictive read-write inhibit decision using fuzzy logic |
| 10/13/1993 | EP0565155A1 System and method for improved settling of a read/write transducer in a direct access storage device |
| 10/13/1993 | EP0564763A1 Disk drive having an improved transducer suspension assembly |
| 10/13/1993 | EP0564762A2 Disk drive having an improved transducer suspension assembly |
| 10/13/1993 | EP0556302A4 Multiple actuator disk drive |
| 10/12/1993 | US5253242 Double-sided optical disc player |