| Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963) |
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| 10/05/1994 | EP0618578A2 Active electromagnetic latch for disk file actuator |
| 10/05/1994 | EP0618571A1 Optical disk apparatus |
| 10/04/1994 | US5353181 Etched suspension system |
| 10/04/1994 | US5353180 Air bearing magnetic slider with wishbone-shaped rails |
| 10/04/1994 | US5353174 Motor speed sensing system for magnetic disk apparatus or the like |
| 09/29/1994 | WO1994022135A1 Ultra-small form factor disk drive apparatus |
| 09/28/1994 | EP0617424A1 Head system suitable for magnetic or optical high-density recording devices |
| 09/28/1994 | EP0617416A1 Information processing apparatus |
| 09/28/1994 | EP0617413A2 Magnetic head sliders and a process for producing the same |
| 09/28/1994 | CN1026045C Magnetic recording/reproducing apparatus |
| 09/27/1994 | US5351229 Tribo-attractive contact slider for an optical read/write system |
| 09/27/1994 | US5351156 Method and apparatus for cleaning disks |
| 09/21/1994 | EP0371990B1 Systems and methods for sensing position and movement |
| 09/20/1994 | CA2006806C Track counter for optical disk |
| 09/15/1994 | WO1994020954A1 Magnetic disk apparatus and method of production thereof |
| 09/15/1994 | DE4408184A1 Process for the endless recording of prolonged signal or data sequences |
| 09/14/1994 | EP0615243A1 Offset amount measuring apparatus |
| 09/14/1994 | EP0614564A1 Microminiature hard disk drive |
| 09/13/1994 | US5347506 Optical disk player including a plurality of independent pick-ups |
| 09/13/1994 | US5347414 Magnetic disk drive with a controllably positioned floating magnetic head |
| 09/13/1994 | US5347413 De-swaging technique for head gimbal assembly |
| 09/13/1994 | US5347412 Floating magnetic head |
| 09/07/1994 | EP0614175A1 Air bearing magnetic head sliders |
| 09/07/1994 | EP0614174A2 Servo circuit for magnetic disk apparatus |
| 09/07/1994 | EP0613579A1 Small size constant torque voice coil motor |
| 09/06/1994 | US5345353 Step projection air bearing slider with improved stiction performance and wear resistance |
| 09/06/1994 | CA2021909C Actuator structure for a magnetic head suspension assembly in a disk drive |
| 09/06/1994 | CA1331885C Linear actuator using a compound parallel bendable element suspension system |
| 09/01/1994 | WO1994019795A1 Suspension for in-line, offset head mounting |
| 08/31/1994 | EP0613122A2 Optical card information recording/reproducing apparatus |
| 08/31/1994 | EP0613121A1 Rotating magnetic storage device |
| 08/30/1994 | US5343346 Single point magnetic contact hatch assembly |
| 08/30/1994 | US5343344 Connection of transducer leads to a printed circuit board in rotating disk data storage apparatus |
| 08/30/1994 | US5343343 Air bearing slider with relieved rail ends |
| 08/30/1994 | US5343340 Digital servo signal demodulation method and apparatus utilizing a partial-response maximum-likelihood (PRML) channel in a disk file |
| 08/30/1994 | US5343131 Method and apparatus for self-synchronizing seek deceleration |
| 08/25/1994 | DE4405087A1 Method and device for detecting a head position |
| 08/24/1994 | EP0404942B1 Optical disk and movement control of its optical spot |
| 08/24/1994 | EP0403499B1 Head loading velocity control |
| 08/24/1994 | EP0362285B1 Disk drive architecture |
| 08/23/1994 | US5341353 Actuator position detector, actuator position controller and track search controller |
| 08/23/1994 | US5341351 Method and means for optimally accessing data residing on dual actuator DASDs |
| 08/23/1994 | US5341260 Reduced torque unloading ramp system for a hard disk drive |
| 08/23/1994 | US5341259 Pivoting, dual state magnetic latch for disk file actuator |
| 08/17/1994 | EP0611208A2 Information storage disc and information recording and reproducing apparatus |
| 08/16/1994 | US5339209 Plug-in actuator latch mechanism |
| 08/16/1994 | US5339207 Servo system for providing increased recording density and improved operation of the AGC circuitry |
| 08/16/1994 | US5339206 Positioning control method and apparatus of head which is used in magnetic disk apparatus |
| 08/09/1994 | US5337296 Apparatus and method for searching a target time code recorded on disks |
| 08/09/1994 | US5335458 Processing of magnetic head flexures with slider elements |
| 08/04/1994 | WO1994017521A1 System for allocating tasks between two actuators servicing the same magnetic disk media in a single disk drive |
| 08/04/1994 | WO1994017520A1 System for correcting transducer tangential skew in a dual actuator disk drive system |
| 08/03/1994 | CN1090420A Information recording medium, equipment and reader and recording method |
| 08/03/1994 | CN1090413A Method and system for reading record medium |
| 08/02/1994 | US5335214 Optical recording track access driving apparatus |
| 08/02/1994 | US5335126 Magnetic disk device without slider and having magnetic head mounted directly on magnetic head support including integral gas pressure generating structure |
| 08/02/1994 | US5335123 Apparatus and method for head-positioning on a rotatable recording medium |
| 08/02/1994 | US5335122 Automatic track locking state check circuit |
| 08/02/1994 | US5334849 Apparatus for and method of verifying etching of optical servo information on magnetic media |
| 07/27/1994 | EP0586597A4 Low profile head disk assembly |
| 07/27/1994 | CN1090080A Contact recording slider for use in alubricant containing information stoorage system |
| 07/27/1994 | CN1090079A Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system |
| 07/27/1994 | CN1090078A Fly height servo control of read/write head suspension |
| 07/26/1994 | USRE34674 Linear motor |
| 07/26/1994 | US5333083 Storage apparatus having servo system for performing positioning control of head |
| 07/21/1994 | WO1994016439A1 Interior stiffening and head lifter rails |
| 07/20/1994 | EP0607045A1 Information recording and/or reproducing apparatus and information recording and/or reproducing method |
| 07/20/1994 | EP0606963A2 Magnetic data storage device including transducer assembly for near contact magnetic recording |
| 07/20/1994 | EP0606911A2 An Information recording/reproducing device |
| 07/20/1994 | CN1025523C Rotary actuator for disk drive assemblies |
| 07/19/1994 | US5331624 Pickup feed mechanism |
| 07/19/1994 | US5331489 Gimbal for a flexure for top-terminated heads |
| 07/19/1994 | US5331263 Velocity control device |
| 07/19/1994 | US5329689 Process for producing magnetic head slider |
| 07/13/1994 | CN1089382A Air bearing magnetic head sliders |
| 07/12/1994 | US5329515 Information carrier, information recording and/or reproducing apparatus, and information detecting apparatus |
| 07/12/1994 | US5329409 Correction of current feedback offset for disc drive servo systems |
| 07/12/1994 | CA2032853C Sectored servo independent of data architecture |
| 07/07/1994 | WO1994015335A1 Method of reading a recording medium and system using said method |
| 07/07/1994 | WO1994015334A1 Data recording medium, recorder, reader and recording method |
| 07/07/1994 | WO1994015331A1 Portable low profile information storage system |
| 07/06/1994 | EP0605345A1 Contacting recording slider for use in a lubricant containing information storage system |
| 07/06/1994 | EP0605343A1 Fly height servo control of read/write head suspension |
| 07/06/1994 | EP0605340A1 Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system |
| 07/06/1994 | EP0605239A1 Information recording and/or reproducing apparatus |
| 07/06/1994 | EP0604435A1 1.8" winchester drive card |
| 07/06/1994 | EP0604434A1 Slider and disk storage apparatus with the slider. |
| 07/05/1994 | US5327407 Tracking control apparatus for generating sawtooth tracking control signal from sinusoidal tracking error signal |
| 06/29/1994 | CN1025255C Disc shape recording medium and apparatus of recording and playing |
| 06/28/1994 | US5325346 Digital servo apparatus for optical disc player |
| 06/28/1994 | US5325252 Magnetic disc apparatus having two flexible bending members of an FPC between a fixing portion and a rocking actuator bent in opposite directions |
| 06/28/1994 | US5325251 Planar actuators using low pressure air bearings and rolling flexure bearings |
| 06/28/1994 | US5325245 Method and apparatus for writing magnetic head positioning signal |
| 06/28/1994 | US5325244 Magnetic recording data storage system |
| 06/28/1994 | US5325030 Voice coil motor driving circuit with retracting function |
| 06/24/1994 | CA2109370A1 Magnetic disk drive unit |
| 06/24/1994 | CA2108703A1 Magnetic disk drive unit |
| 06/23/1994 | DE4243234A1 Recording and reproduction appts., e.g. CD player |
| 06/22/1994 | EP0602677A2 Magnet-optical disc drive device |
| 06/21/1994 | US5323371 Disk storage in which direction of inserting disk is approximately orthogonal to direction of seeking by head |