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7408691 Variable aperture  
A variable aperture includes a chamber, a transparent and electrically conductive aqueous solution, an opaque and electrically non-conductive oily solution, a transparent insulative and hydrophobic...
7408688 Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus  
A method for driving an optical deflecting device array is disclosed, including in a series of processes for the light deflection operation, at least, a state of a first stage writing and recording...
7400433 Installable pinhole  
Adjustable pinhole, particularly for the illumination beam path and/or detection beam path of a laser scanning microscope, wherein the pinhole is defined by foil edges which are adjustable relative...
7342704 Light adjuster and laminated glass  
A light adjuster according to which the wavelength dependence of the transmissivity when a voltage is not being applied can be reduced, and a laminated glass containing the light adjuster. The...
7338174 Shutter device and projection type video display  
Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and...
7324253 Installable pinhole  
Adjustable pinhole, particularly for the illumination beam path and/or detection beam path of a laser scanning microscope, wherein the pinhole is defined by foil edges which are adjustable relative...
7315411 Optical shutter for plasma display panel and driving method thereof  
Disclosed herein are an optical shutter for a plasma display panel and driving method thereof. According to the present invention, an optical shutter, which employs a black organic solution that...
7245285 Pixel device  
A pixel device, comprising; a first plate, a second plate disposed under the first plate, and a third plate disposed under the second plate; a first power supply for providing a first voltage to...
7233717 Reflective optical switch  
A reflective optical switch comprises an input/output port portion; a polarization separator/combiner for separating lights in the same optical path and combining lights in different optical paths;...
7167292 Spectroscope and confocal scanning microscope comprising thereof  
The invention provides a spectroscope that provides variable masks 24 a and 24 b that limits the light path of separated light beams in the spectrum direction and composite masks 24 c and 24...
7164468 Lidar system controlled by computer for smoke identification applied, in particular, to early stage forest fire detection  
This invention relates to a method and an active system for detection and localization of early stage forest fires using lidar. In the simplest configuration the system includes a lidar and a...
7133218 Optical system  
Disclosed is an optical system that has superior optical characteristic and wear resistance and can be formed at low temperatures. An optical system 101 for adjusting visible light transmittance...
7130507 Light source unit for use with a light guide and lamp mounting arrangement  
A light source unit, for supplying light via a light guide to a remote location, comprises a support for supporting a light source and a light guide in a prescribed alignment relative to each...
7118227 Projection display device  
An illuminating optical system for focusing a radiant light of a light source ( 1 ) onto a reflecting light valve ( 6 ) and a projection lens ( 7 ) for magnifying and projecting a reflected light...
7113689 Microelectromechanical systems (MEMS) variable optical attenuator  
An MEMS variable optical attenuator includes a substrate having a planar surface, a micro-electric actuator arranged on the planar surface of the substrate, a pair of coaxially aligned optical...
7088488 Spatial light modulator device with diffusive element  
The invention is directed to a spatial light modulator device that can improve holographic data recording systems, and various methods and systems incorporating the device. The spatial light...
7033030 Projection-type display apparatus  
An illuminating optical system for focusing a radiant light of a light source ( 1 ) onto a reflecting light valve ( 6 ) and a projection lens ( 7 ) for magnifying and projecting a reflected light...
6907153 Rolling shutter optical switch device with latch electrode and slits in shutter  
An optical switch device includes a rolling shutter or membrane attached at one of its edges to a substrate near an optical port in the substrate. The rolling shutter can assume one of two states....
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,...
6896377 Interchangeable low-backscatter aperture structure  
An interchangeable low-backscatter aperture structure includes but is not limited to an aperture insert that is releasably engaged in a base. The aperture insert includes an aperture that may be of...
6879765 Integrated selectable waveguide for optical networking components  
An integrated selectable waveguide device is shown that compensates for misalignment problems between an output optical port and an input optical port. In one example, the output port is part of an...
6879436 Constant output light attenuator and constant output light attenuating method  
In a light attenuator or its attenuating method, a nonlinear optical material and an aperture section are placed respectively on a same optical axis, between a receiving optical finder and a...
6847306 Emergency traffic signal attachment  
An attachment for a traffic signal having a housing for fitting over one of the normal lights, herein the green light, of the signal and overriding the normal sequence in response to preemptive...
6834971 Low-backscatter aperture structure  
A system including but not limited to a low-backscatter aperture structure, where the system can include but is not limited to a camera, an optical communications system, an imaging system, a test...
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,...
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...
6760080 Light modulating eyewear assembly  
The present invention, in accordance with one embodiment, provides for a light modulating cell assembly especially suitable as eyewear including a detector and a light blocking arrangement at least...
6731421 Wedge-shaped lensless laser focusing device  
A lensless focusing device for receiving an unfocused laser beam and creating a desired output pattern of laser profiles. The focusing device includes a pair of wedge plates oriented at a...
6728018 Light control device  
In an optical switch (an optical device) of the type in which a moving plate 31 is displaced to switch optical paths by displacement of mirrors 38 mounted on the moving plate 31 , the moving...
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...
6724971 Variable optical attenuator  
A variable optical attenuator includes a base ( 12 ), an attenuating means ( 11 ), a first collimator ( 13 ) retaining an input fiber ( 18 ), a second collimator ( 14 ) retaining an output fiber (...
6714716 Variable optical attenuator  
A mechanically-adjustable variable optical attenuator includes an azimuthally-tapering, rotatable beam attenuator. In a plane perpendicular to the light beam to be attenuated, the projection of the...
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...
6693561 System for and method of wide searching for targets in a marine environment  
An above-the-water system for and method of finding targets, both animate and inanimate, in a marine environment, especially by determining the distance and depth of targets at, above or below the...
6639572 Paper white direct view display  
A low power, paper white, direct-view display includes an array of hinged micromirrors that are deflected between two states, a first state in which the micromirror covers a portion of the...
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...
6597486 Semiconductor laser and optical system having a collimator lens  
An optical system includes a semiconductor laser. The semiconductor laser is accommodated within a case. The case is formed with a window to pass through laser light emitted from the semiconductor...
6594058 Rolling shutter optical switch device with mirror on shutter and open aperture optical port  
An optical switch device includes a rolling shutter or membrane attached at one of its edges to a substrate near an optical port in the substrate. The rolling shutter can assume one of two states....
6590689 Background reduction apparatus and method for confocal fluorescence detection systems  
The system includes a confocal optical system to illuminate an object at an intended detection plane and to focus light from the object onto a pinhole. An opaque obstacle is disposed within the...
6580868 High-resolution variable optical attenuator with mechanical adjustment  
A mechanically-adjustable variable optical attenuator includes a beam attenuator shaped as a concave quasi-cone. The beam attenuator has a sharp tip and a base, and can be rotationally symmetric...
6560012 Microscope apparatus and method  
Microscope apparatus and a method are disclosed for avoiding a reduction in intensity at the periphery of a microscope image that is detected by an electronic image-detector and then displayed. The...
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...
6550939 Light beam shutter apparatus  
A light beam shutter apparatus for a lighting instrument includes several individual shutter mechanisms arranged radially around the axis of a light beam. Each shutter mechanism includes a...
6545789 Device to improve Z-axis resolution in confocal microscopy  
Disclosed are devices to improve the z-axis of confocal microscopes. The devices consists of opaque baffles placed in front of and behind the detection apertures of the microscope systems. By...
6529640 Image processing apparatus  
The image reading-out apparatus is capable of always obtaining a good image irrespective of a luminance difference. A control unit controls storage times of a pair of image pickup devices through a...
6473217 Diaphragm device  
The space required in the vicinity of a shutter aperture can be reduced to achieve an overall reduction in size of a device by providing a diaphragm mechanism for covering the shutter aperture...
6456273 Flap array under fluidic and electrical control  
A bistable flap array display in which flaps selectively cover portions of a background substrate in response to fluid flow and a flap catchment mechanism, each flap rendering at least one pixel of...
6442324 Optical attenuator and optical attenuator module  
In order to realize an optical attenuator which has an attenuation factor independent of the wavelength of incident light, a glass substrate is used in an attenuator plate, and the glass substrate...
6437898 Device for changing the passage of light through a window, especially through the transparent cover of a motor vehicle roof  
A device for changing the passage of light through a window, especially through a transparent cover of a motor vehicle roof toward the motor vehicle interior, by at least two strip-shaped grid...
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