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| Number | Title | Issue Date |
| 8147340 | Methods and regulated gaming machines configured for service oriented smart display buttons A regulated gaming system includes a plurality of computer nodes communicating over a network. At least one of the computer nodes includes a gaming machine, which may include a game controller and an interactivity apparatus to accept wagers from a player and to prov... | 04/03/2012 |
| 8047387 | Apparatus and methods for carrying a bottle Apparatus and associated methods for carrying and manipulation of bottles are presented herein. The apparatus may include a closure that may be sealably secured to a bottle. The apparatus may further include a movable handle attached to the closure with portions of ... | 11/01/2011 |
| 8045214 | Medical data recording apparatus A medical data recording apparatus includes processing device for receiving medical data information in DICOM format through a software module and parsing patient identification information and study information from the received medical data information. The proces... | 10/25/2011 |
| 5563750 | Shaft mounting for a disk file A disk file has a frame with a non-rotatable shaft (2) extending in an axial direction between opposed wall portions of the frame. The shaft is clamped at one end to the frame by a screw (8) passing through an opening in the wall and axially into the shaf... | 10/08/1996 |
| 5561568 | Method and apparatus for fast positioning a head of a recording device To achieve fast positioning of a head by determining an initial value dynamically from state variables of a system at a switching time of control modes. In a recording device having a head, a recording media including a plurality of tracks accessed by the... | 10/01/1996 |
| 5555390 | Data storage method and subsystem including a device controller for respecifying an amended start address A data storage subsystem and method for transferring data from a storage subsystem to a connected host data processing system are described. The subsystem comprises a device controller connected to one or more direct access storage devices e.g. disk drive... | 09/10/1996 |
| 5543983 | Servo controlled lubricant thickness for near magnetic recording The lubricant film for a near contact magnetic recording device is maintained by a closed loop servo control for a recirculating lubricant supply system. A reservoir closely overlies the disk data surface and includes a heater for controlling the temperat... | 08/06/1996 |
| 5519882 | System for configuring a disk drive as a master or slave by either cable or local selection with only one jumper block or one switching device An object of the present invention is to specify two disk drive apparatuses which are connected to an AT interface as a master or slave HDD for local or cable selection by only one jumper block. A disk drive apparatus connected to data processing means th... | 05/21/1996 |
| 5455723 | Method and apparatus for ramp load and unload Disclosed is a disk drive having at least one disk for storing data. The disk drive includes at least one transducer for reading or writing data to or from the disk. The transducer is attached to an actuator which positions the transducer with respect to ... | 10/03/1995 |
| 5446601 | Read/write circuit for minimizing recovery time To provide a R/W circuit in which the output of an AGC is not shifted even if the output of a R/W amplifier irregularly varies during a transition time so that the detector output is not delayed. Means are provided for setting the output of a R/W amplifie... | 08/29/1995 |
| 5367416 | Spindle grounding device using magnetic fluid The hub includes a cup attached to the hub or rotating portion of the disk drive. The cup has a top. Both the cup and top have openings therein which accommodate the fixed shaft. The cup is filled with ferrofluid. The portion of the shaft passing through ... | 11/22/1994 |
| 5309301 | Servo controlled lubricant thickness for near contact magnetic recording The lubricant film for a near contact magnetic recording device is maintained by a closed loop servo control for a recirculating lubricant supply system. A reservoir closely overlies the disk data surface and includes a heater for controlling the temperat... | 05/03/1994 |
| 5192183 | Laminar flow fans A laminar flow fan is described comprising a number of fan elements, such as disks, carried on support posts. In a preferred embodiment, each element has a non-circular central aperture. The shape of the aperture provides sufficient clearance for the elem... | 03/09/1993 |
| 5189566 | Method and apparatus for recovering data Disclosed is a method for recovering data from a portion of a magnetic surface that contained a read error. After a read error is encountered a magnetic transducer undergoes a head state change. The head state change is accomplished by either writing to a... | 02/23/1993 |
| 5179483 | Method for controlling airflow through a disc file spindle A disk file is presented, having a container (3) for a hub assembly(6) including a stationary spindle (9) attached to the container; a clamp (13) for mounting a disk (11) on a hub (8); bearing means (14, 15), comprising a first bearing (14) located toward... | 01/12/1993 |
| 5146450 | Method and apparatus for bearing to comb attachment Disclosed is a method and apparatus for attaching a bearing cartridge to an actuator arm assembly in a disk drive. The bearing cartridge includes the actuator shaft, an outer sleeve and a set of bearings. The actuator arm assembly has a bore therein which... | 09/08/1992 |
| 5124855 | Disk file with isolation mount A disk file comprises a head disk enclosure 1 connected to a support frame by a plurality of isolation mounts. Each isolation mount comprises a constrained layer flexure 23 which is rigidly attached at both ends to a bracket 25 of the support frame. Locat... | 06/23/1992 |
| 5124867 | Actuator returning and holding device for a disk unit A ferromagnetic body is attached or embodied within the actuator arm in a disk drive. The ferromagnetic body is positioned so that the magnets of the voice coil motor attract the ferromagnetic body and produce a force to move the actuator arm so the read/... | 06/23/1992 |
| 5119250 | Method and apparatus for performing a seek Disclosed is a method for performing a seek operation in a disk drive using current in the saturation mode to accelerate and decelerate the actuator arm. In a first embodiment, several measurements are made during the acceleration portion of the seek to e... | 06/02/1992 |
| 5117384 | Method and apparatus for exponent adder An apparatus and method for determining the difference between two exponents of two floating point numbers is disclosed. The exponent of each number is split into two portions. A high portion contains the most significant bits and a low portion contains t... | 05/26/1992 |
| 5074029 | Method for stringing wire on an actuator arm A method and apparatus in which the wires from the heads on an actuator arm can be positioned and attached to the arm electronics automatically. A loadspring manufacturing assembly has a pair of wire carrying and positioning tails and a disposable portion... | 12/24/1991 |
| 5043834 | Actuator locking system of disk unit Disclosed is a disk drive which includes a disk, a spindle motor for rotating the disk, an actuator for moving a transducer over the disk, a pivotably mounted latch for locking the actuator, and a controller for rotating the spindle motor at at least two ... | 08/27/1991 |
| 5029029 | Linear actuator with reduced wear guide way A linear actuator for positioning the heads of a disk file relative to tracks on the disks employs a ceramic material having wear properties superior to steel in guide surfaces for guiding a head supporting carriage running on rotary bearings in contact w... | 07/02/1991 |
| 4868694 | Flexure for rotary actuated arm A flexure for a rotary actuated load arm for use in a data storage system is disclosed. The flexure attaches a slider to the load arm. The slider carries a transducer over a track on a disk. The disclosed flexure has a high enough radial stiffness to prev... | 09/19/1989 |
| 4860572 | Apparatus and methods for testing surface properties of a material An apparatus for testing the surface properties of a material is disclosed. The apparatus includes an indentor which is suspended above the surface of a sample and dropped onto the sample. Several testing methods are also disclosed. Surface toughness is m... | 08/29/1989 |
| 4837923 | Surface finishing for magnetic transducers A process for fabricating magnetic transducing heads includes successive grinding, lapping and finishing steps. The ferrite cores of the transducing heads are rough cut with a silicone carbide grinding wheel, to an excess over desired final throat height ... | 06/13/1989 |
| 4821578 | Apparatus and methods for testing surface properties of a material An apparatus for testing the surface properties of a material is disclosed. The apparatus includes an indentor which is suspended above the surface of a sample and dropped onto the sample. Several testing methods are also disclosed. Surface toughness is m... | 04/18/1989 |
| 4814908 | Thermo servo for track centering on a disk An apparatus and method for positioning a transducer over the center of a track is disclosed. An arm carries the transducer. Embedded in the arm is a heating element. The heating element is positioned so that the linear expansion or contraction of the arm... | 03/21/1989 |
| 4799112 | Method and apparatus for recording data A method and apparatus for increasing the amount of data capable of being stored in a magnetic storage device is disclosed. Basically, a magnetic characteristic of the disk to head interface is measured at several locations on the disk. The frequency for ... | 01/17/1989 |
