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7449759 Electromechanical dynamic force profile articulating mechanism  
An electromechanical dynamic force profile articulating mechanism for recovering or emulating true parallel plate capacitor actuation behaviors from deformable membranes used in MEMS systems. The...
7447891 Light modulator with concentric control-electrode structure  
An electronic device for at least partially displaying a pixel of an image, the device comprising first and second reflectors defining an optical cavity therebetween, the optical cavity being...
7417782 Methods and apparatus for spatial light modulation  
Improved apparatus and methods for spatial light modulation are disclosed which utilize optical cavities having both front and rear reflective surfaces. Light-transmissive regions are formed in the...
7393793 Tunable-wavelength optical filter and method of manufacturing the same  
A method of manufacturing a tunable wavelength optical filter. The method includes steps of forming a first sacrificial oxide film for floating a lower mirror on a semiconductor substrate;...
7389021 Movable lens beam steerer  
Embodiments of a system are described herein, and include a controller, and an optoelectronic module coupled to the controller. The optoelectronic module has a substrate, and a stage having a lens....
7375867 Transmissive electromechanical light valve and system  
An apparatus, system, and method for a transmissive electromechanical light valve including a gate pivotable between a first position to allow light to pass through a valvelet and a second position...
7283703 Movable lens beam steerer  
An apparatus and system having an optoelectronic module, as well as a method of positioning the lens of the optoelectronic module in order to adjust the steering of a light beam are described herein.
7227618 Pattern generating systems  
A pattern generating system for generating two-dimensional images on a surface includes a light source and one or more Zone Plate Modulator (ZPM) arrays. The ZPM arrays comprise diffractive zone...
7218364 Dual mode liquid crystal displays (LCDs) with electromechanical reflective array  
Liquid crystal displays and devices including the same are provided that include a micro-electromechanical reflective array; and a plurality of plates associated with the micro-electromechanical...
7210795 Light quantity adjusting device and projector apparatus using the same  
A light quantity adjusting device for adjusting light quantity of a projector apparatus. The adjusting device includes a substrate having an optical path opening and a blade guide surface having...
7209290 Diffractive thin-film piezoelectric micromirror and method of producing the same  
Disclosed is a diffractive micromirror and a method of producing the same. More particularly, the present invention pertains to a diffractive micromirror, in which a recess having a desired depth...
7113318 Light amount control apparatus, photographing apparatus, and filter  
It is an object of this invention to independently control the F-number and the number of light attenuation steps of a multi-density ND filter by using a light amount control apparatus using an...
7099084 Diffractive wave modulating devices  
A zone plate modulator modulates an incident wave by changing the relative distance between a pair of complementary reflective zone plates. The modulator acts to reflect the incident wave as a...
7085032 Light regulator and image pickup system  
A light regulator includes a substrate having an optical aperture, an even number of blade members (six or more) arranged substantially uniformly around the optical aperture, and spindles provided...
6972889 Mems electrostatically actuated optical display device and associated arrays  
A simplified MEMS optical display device driven by electrostatic forces and associated arrays are provided for. The optical display device includes an optically transparent substrate, an optically...
6968258 Residual feedback to improve estimator prediction  
A system and method 100 of using residual feedback in a control loop in a manner that substantially eliminates the steady state error in the predicted states that results from the mismatch in...
6958850 Pointing angle control of electrostatic micro mirrors with modified sliding mode control algorithm for precision control  
The present invention is directed to a control system for a MEMS device, such as a MEMS mirror, that uses sliding mode analysis to accurately and predictably control the position of the mirrors in...
6906849 Micro-mirror element  
A micro-mirror element includes a micro-mirror substrate, a wiring substrate and an electroconductive spacer disposed between the two substrates. The micro-mirror substrate is formed integral with...
6903860 Vacuum packaged micromirror arrays and methods of manufacturing the same  
A vacuum packaged electromechanical micromirror array comprises a 1st packaging substrate, a 2nd packaging substrate, a device substrate with a 1st surface and a 2nd surface, control circuitry on...
6901204 Microelectromechanical system (MEMS) variable optical attenuator  
Disclosed is an MEMS variable optical attenuator comprising a substrate having a planar surface, optical fibers having an optical signal transmitting end and an optical signal receiving end,...
6891657 Damped control of a micromechanical device  
Device and method for a damping function to reduce undesirable mechanical transient responses to control signals. In one aspect of the present invention, the damping function may be used to reduce...
6864977 Spectrophotometer with electrostatic-film shutter  
Described herein is a spectrophotometer having an inlet slit associated to which is at least one electrostatic-film shutter.
6856448 Spatial light modulator  
A deformable mirror element with a high natural frequency has elongate ribbons attached along a longitudinal portion thereof to a support. The ribbon is transversely slit to divide each ribbon into...
6836352 High frequency deformable mirror device  
A deformable mirror element with a high natural frequency has elongate ribbons attached along a longitudinal portion thereof to a support. A reflective wing portion extends laterally from the...
6822779 Method of finding drive values for an actuation mechanism  
A method of finding drive values for an actuation mechanism having three degrees of freedom is provided, that will optimize a predetermined parameter of a system that utilizes the actuation...
6816295 MEMS variable optical attenuator  
Disclosed is a MEMS (Micro Electro Mechanical System) variable optical attenuator. The MEMS variable optical attenuator comprises a substrate having a flat upper surface; an electrostatic...
6812979 Color-separating apparatus for liquid crystal projector of single panel type  
A color-separating apparatus for a liquid crystal projector of single panel type that is capable of improving light efficiency and color revival property. In the apparatus, a color filter has red,...
6806985 Optical system with shutter assembly having an integral shutter-mounted actuator  
An optical system includes a shutter assembly with a stationary support, a shutter pivotably mounted upon and movable with respect to the support; and a shutter drive mechanism. The shutter drive...
6785032 Laser countermeasure system and method  
A laser countermeasure system uses a fluence trigger along an optical path between an entrance and a detector at an output. The fluence trigger detects laser radiation and blocks the passage...
6762873 Methods of driving an array of optical elements  
Relates to writing an array of optical elements which are each switched between two states according to input data sets. In a first method, data is written in two steps in which different selected...
6750999 Reconfigurable quasi-optical unit cells  
A quasi-optical system is provided. More specifically, a quasi-optical system is provided comprising various embodiments of quasi-optical grids (such as arrays or layers and the like) with...
6750998 Electro-mechanical grating device having a continuously controllable diffraction efficiency  
An electro-mechanical grating device including: a base having a surface; a bottom conductive layer provided above said base; a spacer layer is provided and a longitudinal channel is formed in said...
6727672 Driving device and light amount controller  
There is provided a small-sized and slim driving device which is easy to manufacture and capable of producing high output. A magnet has a cylindrical shape, and at least the outer peripheral...
6710563 Driving device, light amount controller and shutter  
There is provided a small-sized and slim driving device which is easy to manufacture and capable of producing high output. A magnet has a cylindrical shape, and at least the outer peripheral...
6704132 Micromirror truss structure and fabrication method  
A micromirror ( 110 ) includes a frame portion ( 112 ), a gimbal portion ( 114 ) and a mirror portion ( 116 ) formed from a single piece of material. A plurality of truss members ( 140/142 ) are...
6700690 Tunable variable bandpass optical filter  
A variable bandwidth tunable optical filters comprised of two transparent optical substrates, upon each of which is deposited a linearly variable multilayer interference filter coating which varies...
6661561 High frequency deformable mirror device  
In accordance with the present invention, an array of individually addressable micromachined light reflecting ribbons provide a high speed light valve action by employing a method in accordance...
6643065 Variable spacing diffraction grating  
A variable spacing diffraction grating is fabricated using micro-electromechanical (MEMS) technology. An array of interconnected beam elements is fabricated into a diffraction grating and mounted...
6639710 Method and apparatus for the correction of optical signal wave front distortion using adaptive optics  
An adaptive optics system is disclosed whereby at least one mirror in the system is manipulated using electrostatic force to selectively attract or repel a portion of the mirror to or from a...
6633426 Optical-electrical MEMS devices and method  
A novel optical-electrical MEMS device overlaid or covered with an optically transmissive substrate held spaced in inverted preferably flip-chip bonded fashion to the device, with transparent...
6624944 Fluorinated coating for an optical element  
A protective cover ( 10 ) for an optical device, such as a spatial light modulator or an infrared detector or receiver. The cover ( 10 ) has an optically transmissive window ( 11 ), which has a...
6618184 Device for use with a micro-electro-mechanical system (MEMS) optical device and a method of manufacture therefor  
A device for use in a micro-electro-mechanical system (MEMS) optical system. The device includes a substrate having opposing first and second sides, wherein the first side has a light reflective...
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...
6614570 Shutter for fiber optic systems  
A light shutter for controlling a light signal between occluded and uninterrupted states. The shutter has a frame which mounts a beam under compression so that it assumes either of two bi-stable...
6594060 Electromechanical conformal grating device with improved optical efficiency and contrast  
An electromechanical conformal grating device having a period Λ, that includes: an elongated ribbon element including a light reflective surface; a pair of end supports for supporting the...
6594059 Tilt mirror fabry-perot filter system, fabrication process therefor, and method of operation thereof  
A tilt mirror Fabry-Perot tunable filter comprises a frame and a first mirror structure. A tether system connects the first mirror structure to this frame. The tether system is designed to enable...
6591032 Optical switching and attenuation systems and methods therefor  
Novel light switches and attenuators are disclosed. In one form of the invention, a novel 2×2 crossbar switch is formed by positioning a movable reflector intermediate four fiberoptic lines. In...
6585410 Radiant temperature nulling radiometer  
A self-calibrating nulling radiometer for non-contact temperature measurement of an object, such as a body of water, employs a black body source as a temperature reference, an optomechanical...
6559999 System for modulating radiation using two rotating discs  
The present invention is directed to a system for modulating thermal infrared radiation for a pyroelectric imaging sensor or similar sensor by providing two discs rotating at the same speed, both...
6556334 Flat panel display using microelectromechanical device  
There is provided a flat panel display using a micro-electromechanical device, comprising a back glass substrate having a transparent electrode of a transparent electric conductor; a front glass...
Matches 1 - 50 out of 359 1 2 3 4 5 6 7 8 >