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Patent # Description
US-6,751,051 Reduced acoustics treatment spindle motor for a disk drive
A spindle motor for a disk drive is disclosed having a carrier assembly supported on a mounting structure by an elastomeric damper for damping and isolating...
US-6,751,050 Magnetic disc unit
A magnetic disc unit which can restrain occurrence of flutter so as to countermeasure such a problem that the larger the rotational speed of discs, the higher...
US-6,751,049 Downstream finned shroud airstream conditioning apparatus for a data storage device
An airstream conditioning apparatus for a data storage device. The data storage device has an enclosure supporting a spinning data disc and an actuator operably...
US-6,751,048 Power rail distribution system and method for an automated robotic device in a data storage system
A system and method for distributing electrical power to an automated robotic device for transporting media cartridges in a data storage library. The system and...
US-6,751,047 Stepped disc drive voice coil actuator acceleration for reducing resonance of head level micro-actuators
A disc drive having a voice coil actuator with an attached suspension and head, the head including a micro-actuator. The micro-actuator having at least one...
US-6,751,046 Writing servo data patterns on a data storage disk to account for repeatable and non-repeatable disturbances...
A method for self-servo writing begins by calibrating at least one ruler formed on at least one storage disk. A ruler is a position-sensing pattern that defines...
US-6,751,045 Compensation for repeatable run-out error
A method and apparatus for compensating for repeatable run-out errors in a disc drive is disclosed. The compensation is created by determining transfer function...
US-6,751,044 Method and apparatus for reading a clock track with a magneto-optical clock head using the transverse Kerr effect
A magneto-optical clock head is disclosed. The magneto-optical clock head allows a longitudinally recorded clock track to be read from a disk surface from a...
US-6,751,043 Digital servo control system for a hard disc drive using a voice coil motor in voltage mode
This invention comprises an architecture for voltage mode control of a voice coil motor in a hard disk drive. In contrast to conventional current mode control,...
US-6,751,042 Track pitch correction method and apparatus
Many parallel tracks on a storage surface of a data handling device are arranged in a longitudinal direction. Each track has a track center comprising reference...
US-6,751,041 Method and apparatus for selecting servo track writing speed
A method and an apparatus select the spindle rotation speed for writing servo tracks to a disk based on measured performance of the head-disk assembly. The...
US-6,751,040 Method for exchanging tape cartridges between automated tape cartridge libraries
A system and method for exchanging tape cartridges between two automated tape cartridge libraries. A carriage assembly carries cartridges back and forth between...
US-6,751,039 Method and apparatus for setting magneto resistive head bias current in disk drive for desired head lifetime
A method of controlling bias supply sources for magneto-resistive transducer (MR) heads to provide essentially the same predetermined lifetime for the MR heads,...
US-6,751,038 Data write control system and method therefor
The present invention relates to a data write control system for writing data onto a disk in response to a write request. Before the data is written onto a disk...
US-6,751,037 Audio-visual drive optimized for response to an undetected synchronization field
Herein is disclosed a method and apparatus for optimizing a disc drive for audio-visual data storage and retrieval by responding to a certain read-time error in...
US-6,751,036 Tuning track density for data storage device
A data storage device has a plurality of head/surface combinations with different data track densities on at least two surfaces. A minimum head quality is...
US-6,751,035 Method and system for initializing patterned media
A patterned media having recordable and non-recordable regions is initialized by first erasing (e.g. DC magnetizing) at least a portion of the recordable...
US-6,751,034 Preamplifier read recovery parade
The present invention relates to a method of enhancing a preamplifier read recovery in a hard disk drive system and comprises the steps of determining whether...
US-6,751,033 Closed-loop focal positioning system and method
A closed-loop focusing system and method positions a focusing assembly to a desired positioned. A feedback positioning device, such as a linear encoder, provides...
US-6,751,032 Lens barrel
A lens barrel includes cam ring which is rotated about an optical axis to move a lens group in the optical axis direction, and a rotational ring which transfers...
US-6,751,031 Lens barrel capable of positioning lens frames with high precision
A lens barrel includes a first frame member supporting a first lens group, a second frame member supporting a second lens group and being capable of movable...
US-6,751,030 Zoom lens and image-taking apparatus
A zoom lens comprising four lens units is disclosed which achieves a high variable magnification ratio and favorable optical performance at an arbitrary zoom...
US-6,751,029 Zoom lens image pickup apparatus
A small zoom lens system which realizes a high magnification ratio and high optical performance is disclosed. The zoom lens system comprises, in order from a...
US-6,751,028 Zoom lens and optical apparatus using the same
A zoom lens includes, in order from an object side to an image side, a first lens unit of positive refractive power, a second lens unit of negative refractive...
US-6,751,027 Projector with sealed inner compartment
A projector is provided which can handle high light intensities without dust or foreign matter penetrating the inside of the apparatus and thus deteriorating the...
US-6,751,026 Head-mounted display
A head-mounted display (HMD) using retinal direct projection that provides a small size and lightweight by changing the configuration of optical components and...
US-6,751,025 Double-mirror combining glass for head-up display
A double-plate combiner for a head-up visor, including two substantially flat plates substantially parallel to each other, and held fixedly together by a holding...
US-6,751,024 Lenticular optical system
A lenticular optical system is described in which a composite image formed by combined image strips (88) is viewable through a lens sheet (80) from a first angle...
US-6,751,023 Optical film
An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic...
US-6,751,022 Color shifting carbon-containing interference pigments and foils
A color shifting multilayer interference film is provided which may be used to produce foils or flakes for use in pigment compositions and colorants having color...
US-6,751,021 Optical scanning device
The present invention provides a scanning device with the following features: the system is capable of writing data to record carriers of a first format because...
US-6,751,020 Stereoscopic image pickup system
A stereoscopic image pickup system for obtaining parallactic images of an object, the stereoscopic image pickup system includes a pair of, first and second,...
US-6,751,019 Ultrathin mesh optical panel and a method of making an ultrathin mesh optical panel
An ultrathin mesh optical panel and a method of use and making are disclosed. One embodiment of the optical panel includes a plurality of optical waveguides,...
US-6,751,018 Total internal reflection fluorescence microscope having a conventional white-light source
A microscope for use in total internal reflection fluorescence microscopy (TIRFM) is provided. The microscope includes a first white-light source for directing...
US-6,751,017 Microscope for backplane ribbon fiber analysis
A microscope for inspecting each optical fiber endface in a multi-fiber connector is disclosed. The microscope includes a tip for interfacing with the...
US-6,751,016 Scanning optical microscope
A scanning optical microscope using a wavefront converting element suffers minimum off-axis performance degradation and allows the wavefront converting element...
US-6,751,015 Semiconductor optical amplifier
The invention concerns a semiconductor optical amplifier including at least two amplifier sections (30, 40) respectively favoring a higher gain of the TE mode...
US-6,751,014 Automatic gain control and dynamic equalization of erbium doped optical amplifiers in wavelength multiplexing...
A system and method for controlling alignment of laser center wavelengths and filter passband center wavelengths in optical amplifiers for purposes of providing...
US-6,751,013 Gain-clamped semiconductor optical amplifiers with adjustable gain levels
Gain-clamped semiconductor optical amplifier devices are provided that have adjustable gain levels. Optical amplifiers and other network equipment based on the...
US-6,751,012 Method and apparatus for measuring noise figure in optical amplifiers
An apparatus for measuring the noise figure in optical amplifiers employed for large bandwidth applications such as dense wavelength division multiplexing...
US-6,751,011 Characteristic measuring method and characteristic measuring system of wavelength division multiplexing optical...
The invention is directed to providing a characteristic measuring method and characteristic measuring system of a WDM optical amplifier that enables high speed...
US-6,751,010 Low finesse, tri-etalon, optical parametric oscillator
A low-finesse, tri-etalon optical parametric oscillator includes an optical cavity bounded by two coupling mirrors, and a narrow-linewidth pump laser which...
US-6,751,009 Acousto-micro-optic deflector
An acousto-micro-optic deflector (AMOD) is provided. This device uses a special combination of an acousto-optic deflector (AOD) and a micro-optic deflector (MOD)...
US-6,751,008 Electrophoretic display and novel process for its manufacture
This invention relates to an electrophoretic display comprising cells of well-defined shape, size and aspect ratio which cells are filled with charged pigment...
US-6,751,007 Transflective electrophoretic display
This invention relates to an electrophoretic display comprising isolated cells of well-defined shape, size and aspect ratio which cells are filled with charged...
US-6,751,006 Processing techniques for superimposing images for image projection
Addressed herein are techniques and equipment for pre-processing digital images to be superimposed for display. Filtering, re-sampling, and decimation are...
US-6,751,005 Compensating for pixel defects by spatial translation of scene content
An improved method is provided for compensating for pixel site defects of a spatial light modulator (30) in an imaging apparatus (10). An image is formed at a...
US-6,751,004 Optical system with magnetorheological fluid
An optical system includes a layer of magneto rheological (MR) fluid having a surface exposed to air or vacuum. The MR fluid has a first state wherein the...
US-6,751,003 Apparatus and method for selectively exposing photosensitive materials using a reflective light modulator
An exposure system (8) for fabricating optical film (40) by exposing a pattern such as for photoalignment, where the optical film (40) has a photosensitive layer...
US-6,751,002 Method and apparatus for semiconductor-based integrated polarization modulator/compensator
An optical polarization modulator (OPM) for use in an optical communication system includes two polarizing beam splitters (PBSs) and an adjusting stage coupled...
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