| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
|---|
| 05/31/1988 | US4748608 Servo apparatus for tracking and rotational speed control |
| 05/31/1988 | US4748607 Track accessing system using an integrated velocity signal |
| 05/31/1988 | US4748522 Magnetic head assembly having vibration controlling member |
| 05/31/1988 | US4748520 Method for recording a digital information signal and tracking pilot signals at different locations in the track |
| 05/26/1988 | DE3638911A1 Device for the contactless reading out of information |
| 05/24/1988 | US4747003 Head shifting device for information recording and/or reproducing apparatus |
| 05/24/1988 | US4746998 Method for mapping around defective sectors in a disc drive |
| 05/19/1988 | WO1988003671A1 Process and circuit for automatic setting of the gain in a control circuit |
| 05/19/1988 | DE3638831A1 Verfahren und schaltungsanordnung zur automatischen einstellung der regelverstaerkung in einem regelkreis Method and circuit arrangement for automatic adjustment of regelverstaerkung in a loop |
| 05/18/1988 | EP0267777A2 Bipolar motor control |
| 05/18/1988 | EP0267771A2 Dual track servo system |
| 05/18/1988 | EP0267669A2 Apparatus for writing data onto or recovering data from recording media and method of calibrating or adjusting the position of a transducer head |
| 05/17/1988 | US4745588 Tracking control apparatus |
| 05/17/1988 | US4745587 Eccentricity correction during optical head accessing of a desired track |
| 05/17/1988 | US4745504 Disc memory head positioner |
| 05/17/1988 | US4745503 Linear actuator for moving a recording/reading head in an access direction relative to a recording disc |
| 05/17/1988 | US4745501 Thermal isolation of the voice coil motor from base plate and carriage guide rails of a disc drive |
| 05/17/1988 | US4745497 Digital head position controller with triangle wave comparison |
| 05/10/1988 | US4743995 Disk file with in-hub motor |
| 05/10/1988 | US4743987 Linear actuator for a memory storage apparatus |
| 05/10/1988 | US4743921 Information signal reproducing apparatus having a tracking control system |
| 05/10/1988 | CA1236572A1 Machine readable markers for cartesian information storage media |
| 05/10/1988 | CA1236570A1 Apparatus and method for instrumented radial translation of a read/write transducer at start-up of a rotating disk file |
| 05/10/1988 | CA1236568A1 Magnetic head positioning apparatus and method |
| 05/10/1988 | CA1236567A1 Method and apparatus for reproducing signals |
| 05/04/1988 | EP0265720A2 A slider-suspension assembly and method for attaching a slider to a suspension in a data recording disk file |
| 05/03/1988 | US4742508 Disk driving system |
| 05/03/1988 | US4742411 Magnetic head feed mechanism including a dust preventing means |
| 05/03/1988 | US4742255 Linear pulse motor |
| 04/27/1988 | EP0265287A2 Slider servo device |
| 04/27/1988 | EP0265138A2 Position control system for information storage system |
| 04/27/1988 | EP0265092A2 Servo synchronization method and apparatus for a magnetic disk |
| 04/27/1988 | EP0264837A1 Automatic gain control circuit for a control amplifier |
| 04/27/1988 | EP0264775A2 A disk file including a head load/unload mechanism |
| 04/27/1988 | EP0264535A2 Shock and vibration disturbance compensation system for disc drives |
| 04/27/1988 | EP0264534A2 Head actuator for use in a disc drive |
| 04/26/1988 | US4740939 Apparatus for reproducing information recorded on a disk |
| 04/26/1988 | US4740938 Apparatus for rapid reproduction of information from a record carrier |
| 04/26/1988 | US4740854 Flexure seat for a transducer head of a magnetic disk apparatus |
| 04/26/1988 | US4740851 Disk drive with spicule member |
| 04/26/1988 | US4740736 Servo data decoder for any amplitude dependent servo data encoding scheme |
| 04/20/1988 | EP0263962A2 Improved sampled servo seek and track follow disc drive |
| 04/19/1988 | US4739430 Apparatus for positioning a plurality of magnetic heads over preselected tracks of at least two recording disks |
| 04/19/1988 | US4739429 Magnetic head and support therefore |
| 04/19/1988 | US4739424 Tape casette loading and ejecting mechanism |
| 04/19/1988 | US4739422 Magnetic recording apparatus |
| 04/19/1988 | US4739418 Information signal recording disc recorded with stereoscopic television signal |
| 04/19/1988 | CA1235494A1 Head positioning servo system for optical recording |
| 04/19/1988 | CA1235320A1 Apparatus for the inspection of combined read/write heads of data carrier disks in edp installations |
| 04/12/1988 | US4737867 Power saving arrangement in information recording system |
| 04/07/1988 | WO1988002537A1 Spherical pivoting actuator for read/record head |
| 04/06/1988 | EP0262690A2 Continuous-plus embedded data position control method for magnetic disk device |
| 04/06/1988 | EP0262655A2 Slider assembly for supporting a magnetic head |
| 04/05/1988 | US4736357 Recording and/or reproducing apparatus |
| 04/05/1988 | US4736353 Disc accessing using coarse and fine actuators with the fine actuator locked during coarse actuator movement |
| 04/05/1988 | US4736263 Method and apparatus for driving a disk |
| 03/31/1988 | DE3632465A1 Process and device for recording a circular track on a data storage disc |
| 03/29/1988 | US4734805 Magnetic head supporting mechanism |
| 03/29/1988 | US4734804 Magnetic head driving mechanism for a magnetic disk drive |
| 03/29/1988 | US4734803 Magnetic head air bearing slider |
| 03/29/1988 | US4734799 Apparatus for tracking magnetic head on rotary magnetic recording medium by envelope detection |
| 03/29/1988 | CA1234622A1 Tracking control apparatus |
| 03/23/1988 | EP0260987A2 Offset compensating circuit, in fine control servo device |
| 03/23/1988 | EP0243466A4 Apparatus and method for damping head positioners for disk drives. |
| 03/22/1988 | US4733315 Feeding device for a magnetic head |
| 03/16/1988 | EP0259952A1 Head support system for dual head disc drive |
| 03/16/1988 | EP0259799A2 Method and apparatus for releasing a magnetic head |
| 03/15/1988 | US4731778 Electro-magnetic drive unit comprising a pivotable armature |
| 03/15/1988 | US4731770 Method and apparatus for controlling transducer |
| 03/10/1988 | WO1988001785A1 A disc device and a disc-like recording medium |
| 03/10/1988 | WO1988001780A1 Slider lifter |
| 03/09/1988 | EP0259127A2 Carriage latch for a disc drive |
| 03/08/1988 | US4730298 Moving device for an optical recording system in a high density spiral track-forming apparatus |
| 03/08/1988 | US4730227 Disk file actuator with combined carriage rail and isolator mount for drive magnet |
| 03/08/1988 | US4730226 Actuator carriage with "splayed-bearing" array |
| 03/08/1988 | US4729250 Lead screw for moving a head |
| 03/02/1988 | EP0257764A2 Disc drive systems |
| 03/02/1988 | EP0257703A2 Optical disk and optical disk drive |
| 03/02/1988 | EP0257562A2 Lifting device for a rotor, particularly for the head wheel arrangement of a recorder |
| 03/02/1988 | CN86103579B Disk arrangement system |
| 02/25/1988 | DE3726496A1 Gedaempfte magnetkopftraegeranordnung Steamed magnetkopftraegeranordnung |
| 02/24/1988 | EP0256356A2 A method of measuring the flying height of a slider in a moving magnetic storage apparatus |
| 02/23/1988 | US4727532 Method and apparatus for recovering information from a videodisc |
| 02/23/1988 | US4727443 Method of protecting a magnetic recording medium in a magnetic recording/playback system and apparatus therefor |
| 02/23/1988 | US4727439 Magnetic disc unit system |
| 02/23/1988 | CA1233247A1 Servo control system using servo pattern time of flight for read/write head positioning in a magnetic recording system |
| 02/16/1988 | US4725907 Carriage latch for a disc drive incorporating inertial lock-up |
| 02/09/1988 | US4724500 Mechanism for preventing shock damage to head slider assemblies and disks in rigid disk drive |
| 02/09/1988 | US4724494 Tracking apparatus responsive to multiple frequency-modulated carriers on different tracks |
| 02/09/1988 | US4724370 Servo system for a disk drive |
| 02/09/1988 | US4724369 Speed control apparatus in magnetic disk apparatus |
| 02/03/1988 | EP0255240A2 Magnetic disk device using metallic film disk as data recording medium |
| 02/03/1988 | EP0255036A2 Recorded data reproducing apparatus |
| 02/03/1988 | EP0254748A1 Device for detecting defect of disc-like recording media |
| 02/02/1988 | US4723235 System for playing back information recorded on a disk recording medium with an improved discrimination and playback start operation |
| 02/02/1988 | US4723186 Magnetic head support arm |
| 02/02/1988 | CA1232352A1 Capacitive sensing employing thin film inductors |
| 01/27/1988 | EP0254528A2 Still image reproduction apparatus |
| 01/26/1988 | US4722014 Head positioning mechanism for magnetic disk device |
| 01/26/1988 | CA1232066A1 Method and apparatus for pre-recording tracking information on magnetic media |