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| Patent # | Description |
|---|---|
| US-5,870,259 |
Disk drive load beam structure having lift rod and head mounted on same
side thereof A disk drive apparatus includes actuator arms, each with a load beam mounted thereon, and a head mounted to a side of the load beam, with a lift rod mounted to... |
| US-5,870,258 |
Conductive trace flexure for a magnetic head suspension assembly A magnetic head suspension assembly for transducing data from and onto a surface of a rotating magnetic disk includes a load beam for supplying a directed force... |
| US-5,870,257 |
Head drum assembly for use in a digital video cassette recorder A head drum assembly for use in a digital video cassette recorder includes a miniaturized transformer which has a rotor piece provided with a groove and a stator... |
| US-5,870,256 |
Tandem inertia lock disk drive A disk drive includes a data storage disk rotatably mounted in a housing. An access arm is rotatably mounted in the housing and has an access head at a distal... |
| US-5,870,255 |
Device for the automatic loading/unloading of magnetic disks A load/unload mechanism for magnetic disks is described which allows the magnetic heads of a disk drive to be loaded and unloaded at highest possible speed in a... |
| US-5,870,254 |
Transducer suspension system In a disk drive system transducer suspensions are swaged to the actuator arms. The end actuator arms in the arm stack experience unbalanced forces which... |
| US-5,870,253 |
Flat cable connecting system for rotary type actuators in magnetic disk
drives A rotary type actuator for a magnetic disk device includes a magnetic head that traverses tracks of the magnetic disk as the actuator rotates about a rotary... |
| US-5,870,252 |
Magnetic head suspension assembly having load beam with high resonant
frequency and shock resistance A load beam attached to an actuator arm of a magnetic head suspension assembly includes a base section, a midsection and an arm section. An air bearing slider is... |
| US-5,870,251 |
Taperless/crown free/air bearing design An air bearing slider (140) for use in a disc drive (10) is disclosed. The slider includes leading and trailing edges (44,46) and an air bearing surface (48)... |
| US-5,870,250 |
Method and apparatus for improving file capacity using different flying
height profiles Air bearing sliders that achieve fly height profiles which allow improved areal density and file capacity. The sliders include angled features in such a way that... |
| US-5,870,249 |
Magnetic disk drive in which change in distance between magnetic head
and disk is minimized A high-recording-density magnetic disk drive is provided which minimizes changes in the distance between a magnetic disk and a magnetic head and is reduced in... |
| US-5,870,248 |
Frame for flexible disk drive unit having distortion prevention hole and
2 ribs formed around motor attaching hole A flexible disk drive unit including a spindle motor for driving to rotate a magnetic disk; magnetic heads opposing the magnetic disk; a carriage attached to a... |
| US-5,870,247 |
Extender frame for cooling a disk drive An extender frame is disposed between the enclosure and the circuit board of a high speed hard disk drive having a 1.0" form factor height, to improve cooling of... |
| US-5,870,246 |
Reference bridge for supporting a tape cartridge within a tape drive A floating support for a tape cartridge inserted into a tape drive, the floating support holding a magnetic head and resiliently supported off stationary... |
| US-5,870,245 |
Modular cabinet for data storage media and drives A data storage and retrieval system minimizes mechanical complexity and maximizes system flexibility by providing a modular rack mountable system which includes... |
| US-5,870,244 |
Magnetic recording/reproduction apparatus and method for adjusting head
height therein The relative height between two sets of magnetic head groups shared for recording and reproduction and mounted on actuators is adjusted at high accuracy, so that... |
| US-5,870,243 |
Servo frame defect mapping in a hard disc drive Apparatus and method for detecting defective servo frames in a disc drive, the defective servo frames including anomalous position field patterns which generate... |
| US-5,870,242 |
Disk apparatus and method of measuring frequency characteristic thereof Servo information is written on a magnetic disk at intervals equivalent to 1/N of where the period at the position of a head is controlled. When the frequency... |
| US-5,870,241 |
Method and apparatus for evasive maneuvering to keep DASD heads away
from protruding surface defects Apparatus and a method are provided for mapping aperities or protruding disk defects in a data storage disk file. A protruding disk defect is identified and a... |
| US-5,870,240 |
Video cassette recorder having posts movable vertically A video cassette recorder comprises a pair of pole base assemblies each of which includes a guide roller for guiding a running magnetic tape to help maintain a... |
| US-5,870,239 |
Magnetic reproduction apparatus provided with a cross talk reduction
system A magnetic reproduction apparatus with a cross-talk reduction system that includes first and second magnetic heads, wherein the distance between the first... |
| US-5,870,238 |
Switching offset value as need to improve sector pulse generation for a
hard disk drive A sector pulse generating technique for a hard disk drive, includes storing an original time value before defect occurs in the hard disk drive as a first sector... |
| US-5,870,237 |
Method for variable zone layout for information storage disk drive A magnetic recording system utilizing a plurality of surfaces on a magnetic recording disk with recording zone boundaries established on the respective surfaces... |
| US-5,870,236 |
Towing mirror extension The preferred towing extension mirror apparatus includes a support strap, an extension mirror coupled with one end thereof, and coupling assemblies for coupling... |
| US-5,870,235 |
Energy-efficient headlamp A reflector assembly is provided for efficiently collecting and forming the electromagnetic radiation from a radiation source into a desired beam pattern. The... |
| US-5,870,234 |
Compact wide-angle lens This invention relates to a compact wide-angle lens which consists of five members. The first member and the last member are each divergent lenses of low... |
| US-5,870,233 |
Process for manufacture of fresnel lenses A process for the extrusion of plastic plates with very finely structured surface using an extrusion system which is equipped with an extruder and a three roll... |
| US-5,870,232 |
Zoom lens arrangement including endless cam surface and plurality of cam
followers A lens barrel comprises a first lens group, a cam tube provided with a cam, a plurality of engagement members arranged to move integrally with the first lens... |
| US-5,870,231 |
Zoom lens system A zoom lens system comprising, in order from the object side, a first positive lens unit, a second lens unit which is moved monotonously during zooming mainly... |
| US-5,870,230 |
Zoom lens system A zoom lens system has a first lens unit located closest to an object side and moves in an optical axis direction during both zooming and focusing and a light... |
| US-5,870,229 |
Gradient index lens component and image pickup apparatus using the
gradient index lens component A gradient index lens component composed of a single radial type gradient index lens element which has planar surfaces on both side and a positive refractive... |
| US-5,870,228 |
Projection lenses having larger back focal length to focal length ratios A projection lens for use with LCD or DMD panels is provided. The lens has three lens units, the first unit having a negative power and at least one plastic lens... |
| US-5,870,227 |
Scanning head lens assembly An optical head assembly, method, and procedure which generates and then precisely positions multiple light beams onto a target. The system diffracts an input... |
| US-5,870,226 |
Microscope and eyepiece of the same A microscope has an eyepiece detachably/attachably inserted in a tube eyepiece mounting portion. The eyepiece has an elastic cover, whose inside protrusion... |
| US-5,870,225 |
Rear projection type display system A rear projection type display system with a transmissive screen. A transparent reinforcing plate is coupled to a lenticular sheet of the screen on the light... |
| US-5,870,224 |
Lenticular sheet, rear-projection screen or TV using the same, and
fabrication method for said lenticular sheet The present invention provides a lenticular sheet in which cylindrical lens parts including a radiation curable resin are formed on one side of a transparent... |
| US-5,870,223 |
Microscope system for liquid immersion observation A microscope for observing a specimen immersed in an immersion liquid within a specimen container includes an objective lens and utilizes a sealed container... |
| US-5,870,222 |
Movable objective lens type optical microscope having stationary stage
and specimen moving stage An erect movable objective lens type optical microscope includes a frame, an observation optical portion having an objective lens, a stage portion, a moving... |
| US-5,870,221 |
Micromechanical modulator having enhanced performance A modulator having low insertion and a broad operating bandwidth is disclosed. The modulator has a movable membrane that is spaced from a substrate. The... |
| US-5,870,220 |
Portable 3-D scanning system and method for rapid shape digitizing and
adaptive mesh generation A portable 3D scanning system collects 2D-profile data of objects using a combination of a laser-stripe positioning device and a video camera which detects the... |
| US-5,870,219 |
Ultra compact scanning system for a wide range of speeds, angles and
field depth A non-contact light beam scan system small enough to fit into a hand holdable wand, pen or calculator size terminal incorporates a novel scan element which can... |
| US-5,870,218 |
Nonvolatile semiconductor memory device which stores multi-value
information To enable one non-volatile memory cell to store four-value information, three different kinds of threshold voltages are serially applied to a word line in a... |
| US-5,870,217 |
Multi-wavelength optical batch amplification apparatus The invention provides a multi-wavelength optical batch amplification apparatus wherein, upon batch amplification of a multi-wavelength input optical signal, the... |
| US-5,870,216 |
Splitterless optical broadcast switch A splitterless optical broadcast switch (110) for routing a plurality of optical carrier signals. The splitterless optical broadcast switch (110) includes an... |
| US-5,870,215 |
Covert selective acquisition device for identifying friend or foe A compact infrared identification and communication assembly, including a transponder device and at least one interrogator device, is provided. Each device... |
| US-5,870,214 |
Free space communications system employing line of sight radiation A signal transmission system comprises a transmitter arranged to transmit a coded signal as a series of pulses of line of sight radiation having a predetermined... |
| US-5,870,213 |
Optical transmission system, optical multiplexing transmission system,
and related peripheral techniques The invention provides a technique for optimizing transmission conditions to achieve large-capacity transmission, and also provides peripheral techniques for the... |
| US-5,870,212 |
Self-healing optical network A self-healing optical network carrying traffic between first and second optical linear terminals. The self-healing optical network including first, second, and... |
| US-5,870,211 |
Error rate measurement system for high speed optical pulse signals An error rate measurement system measures a bit error rate of an optical pulse train having a very high frequency and a short pulse width such as an optical... |
| US-5,870,210 |
Feed roller assembly of a fax machine A feed roller assembly including an axle, a feed roller fixedly mounted around the axle and turned with it to feed a sheet of paper forward, an end cap fixedly... |
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