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| Number | Title | Issue Date |
| 7715150 | Apparatus and method for head gimbal assembly sharing power to slider amplifier and micro-actuator in a hard disk drive The head gimbal assembly includes a slider and a micro-actuator assembly sharing power for the micro-actuator assembly to aid in positioning the slider and for an amplifier included in the slider to generate an amplified read signal when the slider read accesses dat... | 05/11/2010 |
| 7538983 | Micropositioner recording head for a magnetic storage device A recording head for use in magnetic storage devices is disclosed. The recording head includes a transducer that is bi-directionally movable with respect to a surface of the magnetic storage medium, thereby enabling improved positioning of the transducer during reco... | 05/26/2009 |
| 7315436 | Suspension assembly with a shape memory actuator coupled to a gimbal A suspension assembly for use with a disk drive having a disk and a slider. The suspension assembly includes a gimbal for receiving the slider. The suspension assembly further includes a shape memory actuator coupled to the gimbal. The shape memory actuator is forme... | 01/01/2008 |
| 7247973 | Moving mechanism using a piezoelectric actuator and a magnetic disk apparatus having such a moving mechanism A moving mechanism using a piezoelectric actuator is attached by an adhesive with adhesive parts of a constant area between a piezoelectric element and a slider and between the piezoelectric element and a suspension. A movable part, serving as the slider, is moved b... | 07/24/2007 |
| 6888693 | Disc drive slider with protruding electrostatic actuator electrode A device for accessing data stored on a medium includes a substrate that has a transducer on a back side, a bottom side facing the disc, and a surface that protrudes from the bottom side. An insulation layer is placed on top of the surface. An electrostatic actuator... | 05/03/2005 |
| 5257151 | Disc-drive with a rim-motor A disk/file for magnetic recording having overall dimensions of one quarter inch thick by about the size of a standard credit card with pin connectors for connecting into a receptacle such as for pc boards. The file features a multi pole rotor mounted on ... | 10/26/1993 |
| 5032942 | Magnetic head adjusting device A magnetic head adjuster is disclosed for adjusting the positional relation between a magnetic disk and a magnetic head for recording or reproducing information on or from the disk. The magnetic head is secured to a plate spring having at least three supp... | 07/16/1991 |
| 5012374 | Recording and/or reproducing apparatus in which the position of head means relative to the record bearing medium is controlled between two positions An apparatus, arranged to use a disc-shaped record bearing medium, is provided with a transducing head, a mechanism for moving the head relative to the medium, and a control device for selectively controlling the head between two positions relative to the... | 04/30/1991 |
| 4933793 | Magnetic disc drive A magnetic disc drive in which two magnetic heads, each of which has at least two magnetic gaps, are provided on a single carriage and radially spaced apart from each other by a first predetermined distance. A radially inner one of the two magnetic heads ... | 06/12/1990 |
| 4772972 | Magnetic disc apparatus with head assembly aligning mechanism A magnetic disc apparatus comprises a base, a disc driving assembly and a head positioning assembly. The head positioning assembly is provided at the bottom portion thereof with a fitting recess and the base is provided at a top surface thereof with a cor... | 09/20/1988 |
| 4764829 | Magnetic head assembly capable of effectively correcting position error of a head In a magnetic head assembly wherein each magnetic head is moved along a magnetic recording medium by an arm element coupled to a shaft which has an axis held in a substantially perpendicular relation to a reference plane, an angle adjusting arrangement is... | 08/16/1988 |
| 4697077 | Vane encoder assembly for adjusting an optical encoder in a data storage device Accurate gap adjustments in an optical encoder used in a magnetic disk drive are achieved within a vane encoder assembly which incorporates a four-bar linkage. The optical encoder includes a fixed reticle and movable vane disposed between a light source a... | 09/29/1987 |
| 4556924 | Disk drive head accessing mechanism A flexible disk drive in which the head moves in an arc, as the head is selectively moved to access the data at the various concentric data tracks of a disk. Concomitant with this approximate arcuate movement, the head is azimuth-rotated, such that its ga... | 12/03/1985 |
| 4117521 | Flexible disc recorder with skewed transducer transport A disc recorder has a rotating flexible recording disc and a transducer which is radially movable with respect to the disc. The transducer defines a gap which extends radially of the disc and is positioned for most efficient operation with the disc in clo... | 09/26/1978 |
| 4020505 | Magnetic sheet player with an adjustable inclined magnetic head A teaching machine on which is replaceably mounted a rectangular sheet of paper or the like with a spiral magnetic track on one surface, which is directed downwardly, and with printed material on the other surface for visual presentation of the subject of... | 04/26/1977 |
