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6816294 |
On-the-fly beam path error correction for memory link processing
Laser beam positioners ( 300, 340 ) employ a steering mirror ( 236, 306 ) that performs small-angle deflection of a laser beam ( 270 ) to compensate for cross-axis ( 110 ) settling errors of a...
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6813053 |
Apparatus and method for controlled cantilever motion through torsional beams and a counterweight
An optical micro-electromechanical device includes a substrate and a mirror assembly suspended above the substrate. The mirror assembly includes a torsional beam and a cantilever. The cantilever...
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6805454 |
MEMS structure with mechanical overdeflection limiter
A MEMS device having a fixed element and a movable element wherein one or the other of the fixed element and the movable element has at least one radially-extended stop or overdeflection limiter. A...
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6791234 |
Micromechanical rotation system with coupled actuators
The present invention is directed towards a system for rotating a pedestal through the use of rotatable actuators. First and second rotatable actuators having substantially parallel rotation axes...
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6785031 |
Snap down pivoting optical element
A pivotable optical element that may be fully deflected in a plurality of positions is disclosed. The fully deflected positions of the optical element may be defined against linear segments on a...
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6774445 |
Actuator
The invention aims at suppressing an amount of deformation of a central portion of a movable part in a micro-miniature semiconductor actuator. A boundary portion is provided between a central...
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6735003 |
Method and apparatus for reducing artifacts in an imaging system
A method and apparatus for reducing artifacts in an imaging system by directing a stream of air onto the beam deflection assembly of the imaging system. An air displacement system, such as a fan...
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6714336 |
Packaged micromirror assembly with in-package mirror position feedback
A packaged micromirror assembly ( 21, 21 ′) is disclosed. The assembly ( 21, 21 ′) includes a mirror element ( 41 ) having a mirror surface ( 29 ) that can rotate in two axes. Magnets ( 53 )...
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6712480 |
Controlled curvature of stressed micro-structures
The current invention is directed to optical MEM devices and methods for making the same. MEM devices, in accordance with the current invention, have one or more movable micro-structures which are...
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6708082 |
System identification to improve control of a micro-electro-mechanical mirror
A method of adjusting a MEMS mirror control system is provided to calibrate a MEMS mirror control system to a particular MEMS mirror in a fashion that optimizes MEMS mirror control loop...
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6700689 |
Adjusting device for adjusting a projecting direction of a view
An adjusting device for adjusting a projecting direction of a view comprises the following components. A reflector is pivotally installed in a body case. The body case is formed with an incident...
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6657765 |
Optical deflecting unit, optical scanning unit, image forming apparatus, and method of producing optical unit
An optical deflecting unit includes a torsion mirror which is pivotable about an axis and has a deflecting reflection surface which receives a light beam at an incident angle inclined with respect...
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6614581 |
Methods and apparatus for providing a multi-stop micromirror
A microstructure is provided which facilitates alignment by allowing movement of the microstructure between one of a plurality of positions. The microstructure is included in an electromechanical...
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6555803 |
Method and apparatus for imaging a field of regard by scanning the field of view of an imaging electro-optical system in a series of conical arcs to compensate for image rotation
A two-dimensional field of regard is scanned with a single plane mirror in the object space of a telescope, maintaining a fixed relationship between the rotational direction of scan and the...
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6535319 |
Free-space optical wavelength routing element based on stepwise controlled tilting mirrors
A microstructure for steering light is provided. A pivot member is connected with a structural film and supports a base that includes a reflective coating. A fixed rotational actuator is connected...
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6522444 |
Integrated angled-dual-axis confocal scanning endoscopes
The present invention provides a novel class of integrated angled-dual-axis confocal scanning endoscopes. An integrated angled-dual-axis confocal scanning endoscope according to the present...
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6519084 |
Telescope and movement control device
A telescope is constructed so that inertia force caused when the telescope is moved is canceled to thereby eliminate any influence on a space station, artificial satellite or the like. When a...
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6507333 |
Tribo-addressed and tribo-supperessed electric paper
A display is provided with an insulative layer with electrical properties which have been selected so that the display can be addressed with a stylus and which minimizes the effects of stray...
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6486995 |
Vibration-resisting structure of optical scanner
An optical scanner and a two-dimensional scanning device using the same are provided. The optical scanner includes a scanning mechanism and a swing support. The swing support is designed to support...
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6449079 |
Deflectable micro-mirror
An oscillatory micromirror having a cantilevered mirror surface is joined using at least one torsion axis formed by at least one torsion beam mounted on the mirror surface, to a support member that...
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6439728 |
Multimirror stack for vertical integration of MEMS devices in two-position retroreflectors
A retroreflector is provided with a substrate over which a moveable micromirror is formed. The moveable micromirror is adapted to be tilted into at least two distinct positions. A multimirror stack...
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6404313 |
Electromagnetic actuator
An electromagnetic actuator includes an external movable plate formed integrally with a semiconductor substrate. A first torsion bar movably supports the movable plate with respect to the...
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6388807 |
Confocal laser scanning microscope
A confocal laser scanning microscope having at least one laser light source ( 1 ) for illuminating a specimen ( 2 ) and at least one detector ( 4 ) for detecting the detected light ( 3 ) coming...
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6327065 |
Fine pointing assembly configuration
A fine pointing assembly for steering a light beam in an optical inter-satellite communications system is disclosed. The fine pointing assembly (10) includes a mirror (30) connected to an assembly...
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6315427 |
Intuitive beam directing control device for use in light conveyance system
A device for lighting arrangements for a ceiling, includes means providing a light beam above a ceiling, reflector means for intercepting and reflecting light beams and located above the ceiling,...
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6309078 |
Wavelength-selective mirror selector
A wavelength-selective mirror selector. A substantially planar wavelength-selective selective mirror holder is disposed askew to a common optical pathway. The holder has a plurality of mirrors...
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6259545 |
Mounting assembly for an optical scanner
A mounting assembly for an optical scanner includes a base unit with a hole for receiving a post of a rotor unit that includes a laser light source that emits light towards a bar code symbol or...
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6259548 |
Micro-mirror device
A micro-mirror device includes a mirror forming substrate on which a mirror is disposed. A pair of torsion beams are disposed on opposing sides of the mirror forming substrate. An anchor projects...
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6233086 |
Light pattern modulator and an apparatus for and method of generating light patterns in response to an electrical oscillating signal
A light pattern modulator includes modulating means for modulating light instant thereon. The modulating means are mounted on at least two actuators which effect linear displacement in response to...
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6229639 |
Multiplexer for laser lithography
A laser lithography system in which two or more lasers provide laser illumination for two or more lithography exposure tools through a laser beam multiplexer. The mulitplexer contain several mirror...
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6172789 |
Light scanning device and confocal optical device using the same
A light scanning type confocal optical device comprises a light source section, a light transmitting section, a light scanning section, and a processing section. The scanning section includes a...
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6086209 |
Mirror holder and optical axis correcting device using the same
Disclosed is an optical axis correcting device which allows high accuracy optical axis adjustment and which has an excellent responsiveness. An optical communication device suited for long distance...
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6031649 |
Scanned laser beam illuminator
A portable illuminator for use in an atmosphere of fog, haze or particulate matter includes a laser for generating a light beam, and a light-beam scanner for scanning the laser beam over a line or...
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6005704 |
Cable driven image steering and focusing device
A compact image steering and focusing device has a generally rotatable platform that carries a pan/tilt mirror. The rotatable platform, at least one motor driven lens and a camera are mounted on a...
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5909302 |
Staring scanner
An optical scanning apparatus and method for scanning objects, including a focusing lens defining an optical axis and a focal plane, a pivot axis, a scanning mirror defining a scanning mirror plane...
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5862003 |
Micromotion amplifier
A microelectromechanical micromotion amplifier generates a controlled lateral motion in response to a small deformation in the axial direction of a MEM beam or body. Lateral motion is produced by...
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5838478 |
Rotary mirror arrangement for the focusing of an incident light beam and/or changing the position of the focus of an already focused light beam
A rotary mirror arrangement (10) for changing the focus of an already focused laser beam is characterized in that a plurality of deflecting mirrors (12) of different focal length are secured on one...
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5821521 |
Optical scanning assembly with flexible diaphragm
Optical scanning is established by superimposing the alternating magnetic field of a coil magnet with the permanent field set up by a permanent magnet which surrounds the coil magnet. Both magnets...
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5815302 |
Viewing apparatus with a counterbalanced and articulated mirror
An articulated viewing apparatus (10) has a pair of elevational actuators (56, 78), one of which is a coarse-position actuator (56) and the other of which is a fine-position actuator (78), and each...
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5814042 |
Apparatus for applying laser beam to living tissue to cause uniform ablation of living tissue while not causing thermal damage below a predetermined depth to the surrounding tissue
An apparatus for applying a laser beam to a working surface, by displacing the laser beam to trace a plurality of circular scans over the working surface; and continuously varying the diameters of...
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5811773 |
Scanner with flexible flat cable electrically connected to light emitter
To reduce the size and weight of an optical scanner, the present invention provides a mirrorless beam scanning unit. A flexible member, such as a multi-wire, flat, electrical cable is connected to...
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5757536 |
Electrically-programmable diffraction grating
An electrically-programmable diffraction grating. The programmable grating includes a substrate having a plurality of electrodes formed thereon and a moveable grating element above each of the...
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5754327 |
Device and method for deflecting a laser beam by means of a single mirror
The device for deflecting a laser beam comprises a mirror (1) and means for orientating the mirror according to a predetermined equation for the controlled deflection of the laser beam (F). The...
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5751460 |
Optical system with an articulated mirror unit
An articulated optical system has a pair of actuators (42, 44) each of which pivot a head mirror (34) about respective parallel axes (E 1 , E 2 ) to direct the line-of-sight of an optical beam...
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5717512 |
Compact image steering and focusing device
A compact image steering and focusing device has a generally rectangular frame containing a pan/tilt mirror and at least one lens. There is a tilt plane bisecting the frame. A mirror drive motor is...
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5684616 |
Moving mirror apparatus
A moving mirror apparatus for scanning a light beam, such apparatus having a mirror associated with a support member able to be repulsed by a superconductor, the mirror/support member being...
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5677782 |
Driving means for a helical scanning pattern generator
A scanning apparatus to scan an object by means of a light beam (B), provided with a housing (40), a light source (1) for generating the light beam (B), at least one mirror (6) for receiving and...
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5668655 |
Tilt mirror arrangement
The invention relates to a tilt mirror arrangement which has at least one tilt mirror, a base and at least one mirror bearing having at least a virtually fixed pivot point between the tilt mirror...
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5661290 |
Scanner with flexibly supported light emitter
To reduce the size and weight of an optical scanner, the present invention provides a mirrorless beam scanning unit. A flexible support structure, such as one or more strips of mylar, movably...
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5640479 |
Fiberoptic face plate stop for digital micromirror device projection system
A digital micromirror device projection system employs an array of digitally operable micromirrors that are individually and selectively tiltable between ON and OFF positions. The array of mirrors...
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