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| Patent # | Description |
|---|---|
| US-6,198,606 |
Disc drive actuation system having an injection molded magnetic
micro-actuator with metal beam inserts and its... A method of fabricating a disc drive actuation system having a head level magnetic micro-actuation assembly utilizing flexible beam inserts and the disc drive... |
| US-6,198,605 |
Return path geometry to enhance uniformity of force on a linear actuator Narrow gaps near the end of travel of a linear actuator coil of a magnetic disk drive is disclosed. The gaps are formed between actuator magnets and inner return... |
| US-6,198,604 |
Method of and apparatus for unlocking an actuator in a disk storage
apparatus In the present invention, a disk storage apparatus 1 is previously given acceleration current Ia and acceleration time Ta which is supplied to an actuator 6 for... |
| US-6,198,603 |
Device for locking and unlocking a disc drive actuator having locking
elements separate from unlocking elements An improved locking system for securing the actuator of a disc drive at a park position. The locking system includes a rotatable lock mechanism that is normally... |
| US-6,198,602 |
Split ring attachment of a head gimbal assembly to an actuator A load beam is mounted in a head stack assembly without staking operations by mounting a mounting plate having an annular boss and carrying the load beam to an... |
| US-6,198,601 |
Thin film magnetic head having non-linear tapered rails A magnetic head element has one or more rails formed on the surface thereof. Each rail is formed so as to have a tapered angle of 55-85.degree.. To form such a... |
| US-6,198,600 |
Thin film magnetic head and manufacturing method thereof The present invention is directed to a thin film magnetic head and its manufacturing method. A slider 1 is provided with base body surfaces 13 and 14 at its... |
| US-6,198,599 |
Magnetic head with bonded balls having a capillary mark A magnetic head includes a metal plate having a conductive pattern, and a slider having a head element and a connecting terminal electrically connected to the... |
| US-6,198,598 |
Disc cartridge with slippery film to reduce friction and vent to discharge
dust A disc cartridge includes a shell for storage of a recording medium taken in the form of a disc having a center core formed at the center thereof. The disc has... |
| US-6,198,597 |
Thin-film magnetic head having improved magnetic pole structure A thin-film magnetic head comprises a magnetic gap disposed to be positioned on an air bearing surface of the magnetic head, a pair of magnetic poles disposed to... |
| US-6,198,596 |
Cassette mounting device having lock lever spring disposed in cassette
holder A cassette mounting device includes a cassette holder for receiving a cassette, a pair of link mechanisms disposed on lateral opposed sides of the cassette... |
| US-6,198,595 |
Logic deck mechanism for portable audio A portable audio logic deck mechanism includes a main base; a driving source installed on the main base; a power transmitting unit including a pair of capstan... |
| US-6,198,594 |
Cartridge forced exit station for a library apparatus A library apparatus is provided with a cartridge forced exit station for forcibly discharging a defective cartridge for safe removal by an operator. The... |
| US-6,198,593 |
High precision cartridge transferring robot for library apparatus A cartridge transferring robot for use in a library apparatus which is capable of improving the accuracy of the cartridge inserting/extracting angle of a hand... |
| US-6,198,592 |
Magnetic recording/reproduction apparatus including a first chassis onto
which a tape cassette is received and... The magnetic recording/reproduction apparatus of this invention records/reproduces information on/from a magnetic tape by drawing out the magnetic tape from a... |
| US-6,198,591 |
Multi-task operating system for a disc drive A multi-task system employs a single interrupt occurring at fixed time intervals to initiate the control functions. The actuator control, servo control and... |
| US-6,198,590 |
Disk drive employing method of spinning down its spindle motor to reduce
the time required for subsequently... A disk drive employs a method of operating a spindle motor to respond to a spin-down command to reduce the time required for subsequently responding to a spin-up... |
| US-6,198,589 |
Video tape recording apparatus Magnetic recording apparatus are provided for recording signals on a magnetic tape. A recording head records signals in successive tracks on the tape and a tape... |
| US-6,198,588 |
Data Storage The present invention relates to apparatus for reading and writing data to a storage medium, wherein the data is written to the medium in tracks, each track... |
| US-6,198,587 |
Recording information reproducing apparatus for increasing an amplitude of
a high frequency component of the... A recording information reproducing apparatus which can precisely reproduce a digital signal from any one of a plurality of kinds of recording disks of different... |
| US-6,198,586 |
Voice recording/playback apparatus for producing a noise level of a voice
output unit in a voice recording mode A voice recording/playback apparatus includes a head unit which records a voice signal in a recording medium and for playing back a recorded voice signal from... |
| US-6,198,585 |
Digital signal recording apparatus, and related method A digital signal recording apparatus includes an amble generator for generating an amble signal representing a bit-sequence amble pattern. The bit-sequence amble... |
| US-6,198,584 |
Disk drive with staggered calibration bursts that are disposably located in
data regions and method of using... A disk drive with a disk having a servo pattern including a special "calibration track" wherein a plurality of staggered calibration burst pairs define null... |
| US-6,198,583 |
Magnetic recording control system for disk storage drive In a data recording system used for a magnetic disk drive, a write amplifier feeds a write head with a recording current that corresponds to the data to be... |
| US-6,198,582 |
Efficient run length limited code with short interleaved constraint An encoder and a method of encoding successive data words into successive code words for transmission through a channel is provided. The encoder divides each... |
| US-6,198,581 |
Finder prism It is an object of the present invention to provide a finder prism capable of forming some in-finder information such as an automatic focus target mark and a... |
| US-6,198,580 |
Gimballed optical mount An optical mount for an optical element which has an optical surface. The mount includes a first plate and a second plate which holds the optical element. The... |
| US-6,198,579 |
Process for the correction of non-rotationally-symmetrical image errors In a process for the correction of non-rotationally-symmetrical image errors in an assembly, e.g., an objective with optical elements, particularly lenses,... |
| US-6,198,578 |
Cam follower and lens barrel In a lens barrel of the present invention, a M-cam frame is engaged with a rotary frame and movable frame so that the M-cam frame can rotate and advance or... |
| US-6,198,577 |
Doubly telecentric lens and imaging system for multiwell plates A multiple element color-corrected doubly telecentric lens and imaging system useful for imaging multiwell plates is described. The lens contains a biconvex... |
| US-6,198,576 |
Projection optical system and exposure apparatus Projection optical systems are provided for use in an exposure apparatus that have a numerical aperture greater than 0.63, a reduced field curvature of pupil at... |
| US-6,198,575 |
Optical system for observing device having image-vibration compensation
system An optical system for a binocular is provided with an objective optical system, an erecting system and an observing optical system. The objective optical system... |
| US-6,198,574 |
Polarization preserving optical systems Polarization preserving optical systems for use in deviating plane polarized beams through preselected angles without changing their linear state of... |
| US-6,198,573 |
Computer supported video microscope The invention relates to a compact microscope 4 especially for medical routine applications. The microscope is configured as a closed housing 8 wherein the... |
| US-6,198,572 |
Controller which controls a variable optical attenuator to control the
power level of a wavelength-multiplexed... An optical amplifying apparatus which includes an optical amplifier, an optical attenuator and a controller. The optical amplifier amplifies a light signal... |
| US-6,198,571 |
Computerized intelligent optical amplifier for multi-channel optical
networks An optical amplifier having a substantially flat response over a multi-channel bandwidth for signals which have different input levels. It utilizes input and... |
| US-6,198,570 |
Optical filter, manufacturing method thereof, and optical amplifier
equipped with said optical filter A method of manufacturing an optical filter that can restrain the wavelength dependence of the gain of an optical amplifier. The input signal light power, output... |
| US-6,198,569 |
Multiple window dense wavelength divison multiplexed communications link
with optical amplification and... Fiber optic communication links are disclosed, employing non-invasive fiber optic amplification technology. An amplifier stage is provided having a plurality of... |
| US-6,198,568 |
Use of Chirped Quasi-phase-matched materials in chirped pulse amplification
systems The limitations on maximum pulse energies from a fiber-grating pulse compressor are circumvented by placing a chirped-period quasi-phase-matched (QPM) crystal... |
| US-6,198,567 |
Faraday rotation variable attenuator A variable optical attenuator comprises a Faraday rotator including a ferromagnetic garnet film disposed input/output single mode optical signal paths. A... |
| US-6,198,566 |
Optical switching device, picture display and projection apparatus A picture display device in accordance with the present invention is provided with a light guiding member equipped with a total reflection surface capable of... |
| US-6,198,565 |
Light deflection element and display apparatus using same A light deflection element has a pair of oscillating elements (6) and (7) having arms (6a) and (6b), and (7a) and (7b). respectively, the outer ends of which are... |
| US-6,198,564 |
Optical scanning system A system using a scanning mirror for scanning the field of view of an optical objective. The scanning mirror is mounted for rotation about an axis transverse to... |
| US-6,198,563 |
Optical scanning apparatus with improved design flexibility An optical scanning apparatus includes a light source unit for emitting a light beam, an image-forming lens for imaging the light beam in a main-scanning... |
| US-6,198,562 |
Multi-beam scanning device and image forming system and method using the
same A multi-beam scanning device includes a plurality of light sources which emit multiple beams. A plurality of coupling lenses couple the multiple beams from the... |
| US-6,198,561 |
Light beam deflection apparatus There is described a light beam deflection apparatus in which the distortion of the polygon mirror is reduced, and the mounting accuracy of the polygon mirror is... |
| US-6,198,560 |
Operation of optical modulators A method of, and an apparatus for, operating an optical modulator employ an optical attenuation versus voltage response which is cyclic and which includes an... |
| US-6,198,559 |
Automatic delay compensation for generating NRZ signals from RZ signals in
communications networks The present invention is a method of automatic delay compensation for use in data transmission, particularly in optical communication systems. The invention... |
| US-6,198,558 |
Architecture repartitioning to simplify outside-plant component of
fiber-based access system An improved access system for use in a Fiber-In-The-Loop (FITL) communications network is disclosed. The access system comprises a host digital terminal (HDT)... |
| US-6,198,557 |
Telecommunication system having frequency-dividing optical components for
the parallel processing of optical pulses A telecommunication system having frequency-dividing optical components where light pulses having different frequencies are coupled out of a optical fiber by... |
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