Matches 51 - 100 out of 271 < 1 2 3 4 5 6 >
Match Document Document Title
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...
6400443 Exposure slit with light reflection hood  
An exposure slit for an image recording apparatus comprises a plate having an opening for the passage of light. First and second inclined walls extend toward each other from the plate to form a...
6396620 Electrostatically actuated electromagnetic radiation shutter  
An electromagnetic radiation shutter device driven by electrostatic forces comprises a stationary membrane capable of allowing electromagnetic radiation transmission therethrough, and a first and...
6377384 Fabric venetian blind and method of fabrication  
A method of making a fabric Venetian blind comprises helical winding of a narrow, elongated strip, which, when properly overlapped and bonded along longitudinal glue lines, will form the vanes and...
6329967 Bistable paper white direct view display  
A thin low power, paper white, direct-view display includes an array of bistable micromirrors that are deflected between two stable states, a dark state in which the mirror covers a portion of the...
6325516 Exposure apparatus and field stop thereof  
An exposure apparatus has a field stop, disposed in a position conjugate to the reticle, for regulating an illumination area on the reticle. The field stop is constructed of two aperture members...
6260309 Split-sphere observatory dome with a rotating oculus window  
A split-sphere observatory enclosure includes an antrum and a rotor including an oculus. The oculus is covered by an oculus window, which is rotatably mounted to the rotor. As an instrument housed...
6252696 Subassembly for generating an optically active slit  
A subassembly for generating an optically active slit with a changeable slit width s, preferably for slit lamps, with two slit jaws which are displaceable relative to one another at a straight-line...
6249370 Display device  
Disclosed is a display device comprising a light-shielding plate including a metal thin film formed on a first principal surface of an optical waveguide plate for introducing the light thereinto...
6239777 Display device  
A display device includes a light guiding fixed electrode portion formed of a transparent material for guiding light incident from an exterior to the surface portion having a transparent conductive...
6222664 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...
6222656 Fiber optics signal attenuator  
An attenuator for use in a wavelength division multiplexer (WDM) uses an opaque knife-edge as a light attenuator. The attenuator is moved along a single axis for controllably blocking the light...
6215575 Low frequency optical shutter and driver  
An optical shutter comprising a frame with an aperture and shutter blade for modulating a light beam or a particle stream passing through the aperture. The top end of the shutter blade comprises a...
6213607 Exposure apparatus and field stop thereof  
An exposure apparatus has a field stop, disposed in a position conjugate to a reticle, for regulating an illumination area on the reticle. The field stop is constructed of two aperture members...
6163643 Micro-mechanical variable optical attenuator  
An electronically variable optical attenuator includes focusing optics that enable the use of a micro-mechanical actuation device with minute movement properties. The actuation device controls the...
6137103 Opto-mechanical components  
Opto-mechanical arrangements for use in light wave paths use actuator wires of a material, such as NiTi, whose length can be shortened by flowing heating current in the wire. The arrangements...
6130771 Radiation valve and valve array  
A radiation valve includes a transparent substrate and at least one opaque flexible planar member, rigidly attached to the substrate, that alternately assumes a closed orientation relative to the...
6094303 Binoculars  
Binoculars include a pair of lens barrels, each barrel having an optical system, a flexible lens barrier which travels between a protective position for protecting the optical system of each of the...
6092900 Method and apparatus for reducing the formation of spots in laser projection  
A projection surface includes scattering microparticles that are in constant motion in relation to each other and to a source of laser radiation in a laser projection system. The microparticles...
6046836 Low frequency optical shutter  
An optical shutter comprising a frame with an aperture and shutter blade for modulating a light beam or a particle stream passing through the aperture. The top end of the shutter blade comprises a...
6034807 Bistable paper white direct view display  
A thin low power, paper white, direct-view display includes an array of bistable micromirrors that are deflected between two stable states, a dark state in which the mirror covers a portion of the...
6031656 Beam-addressed micromirror direct view display  
A flat-panel direct view display positions an array of electrostatically-actuated cantilevered micromirrors in front of a contrasting background and opposite a flat-panel electron beam source....
6011640 High intensity lighting projectors  
A high intensity light projector for stage, architectural and similar applications includes a controllable image quality projection gate providing advanced visual effects. The projection gate,...
5969846 Confocal microscope  
A confocal microscope of the present invention comprises a pinhole disk having a plurality of pinholes, a wavelength selection section for switching a wavelength or wavelength range of at least one...
5922435 Ceramic polymer composite dielectric material  
A shock resistant dielectric material comprising TiO 2 particles disped in a matrix material which is (1) the polyurea reaction product of a poly(tetramethylene ether)glycol-di-p-aminobenzoate...
5818624 Mask for viewing reduced-size radiographic film, particularly mammography film  
A radiographic film mask includes a planar sheet sized for receipt on an illuminated radiographic film examination box. The mask has two opaque sections and a transparent section. The transparent...
5777775 Mechanical beam isolator for high-power laser systems  
A mechanical beam isolator uses rod-shaped elements having a Gaussian configuration to interrupt the path of a beam of photons or particles when the time-scale of the needed interruption is of the...
5757532 Optical scanner  
An optical scanner which causes a light beam to impinge on a photosensitive body along an optical axis. The light beam passes through a lens in a transparent parallel plate before impinging on the...
5742422 Adjustable fourier mask  
A Fourier mask includes a base plate, an aperture plate having a pair of cross hairs fixedly mounded on the base plate and a pair of four bar linkages, each four bar linkage being made up of a pair...
5734497 Confocal scanning microscope  
A confocal scanning microscope comprises rotational disk having numerous pinholes arranged at positions that are conjugate with respect to an object to be observed, illumination optical system for...
5726790 Converter for converting a reflection type scanner to a transparence type scanner  
A converter for converting a reflection type scanner to a transparence type scanner comprising a casing equipped with a window through which light beams for transparence type scanning may pass....
5726741 Photolithographic projection systems including grating masks and related methods  
A photolithographic projection system for transferring a predetermined pattern from a photomask to a wafer includes a radiation source and a grating mask. The radiation source projects radiation...
5726738 Aperture for off-axis illumination and projection exposure apparatus employing the same  
An aperture for an off-axis illumination (OAI) and a projection exposure apparatus which employs the same. In the aperture for an OAI having a light-intercepting region and a light-transmitting...
5706128 Stereo microscope condenser  
A condenser for a transmitted light microscope with built-in 3-D filters and stereo pair photo apertures that permit a standard 2-D microscope, high power as well as low power, to produce a variety...
5706120 Device for controlling an amount of light allowed to reach a photosensitive surface  
A device for controlling an amount of light allowed to reach a photosensitive surface includes a movable light regulating member, an electrically conductive coil mounted to move with the member, a...
5706077 Scan type projection exposure apparatus and microdevice manufacturing method using the same  
A scanning projection exposure apparatus includes an imaging system for imaging a pattern of an original, placed on an object plane, upon a substrate, and a scanning device for relatively scanning...
5701197 Slit lamp microscope provided with a confocal scanning mechanism  
A slit lamp microscope, which includes an illumination optical system for slit illumination onto an eye to be examined and an observing optical system containing an objective lens for observation...
5681103 Electrostatic shutter particularly for an automotive headlamp  
An electrostatic shutter includes an input window, an electrical contact connected to the voltage source, a metallized polymer scroll having one end electrically connected to the electrical...
5646770 Light-quantity control device  
A light-quantity control device includes a drive source, a light-quantity control member which is arranged to vary the amount of opening of an aperture by shifting its position, and a speed control...
5646769 Light-quantity control device  
A light-quantity control device includes a drive source, a light-quantity control member which is arranged to vary the amount of opening of an aperture by shifting its position, and a speed control...
5589933 Optical fiber test instrument with mechanically positioned attenuator  
An optical test instrument, for testing response of an optical medium to optical energy, comprises a light source for emitting optical energy in response to electrical energy, a detector for...
5579146 Scanning optical set  
The present invention provides a scanning optical set used with an optical-electronic converter for providing an optical image to said optical-electronic converter to generate an electronic signal,...
5568496 Laser optics protective device  
A broadband thermal optical limiter disposed between a laser oscillator and laser amplifier system for protecting optical components in the laser oscillator from damage due to amplified optical...
5552925 Electro-micro-mechanical shutters on transparent substrates  
A micro-mechanical shutter array using micro-mechanical technology and silicon-on-transparent-substrate technology. The micro-mechanical shutter array is operated by using electro-static forces....
5537247 Single aperture confocal imaging system  
A confocal scanning imaging system utilizes only one aperture for both the incident light from the light source and return light from the object. To improve its performance, the aperture plate is...
5537240 Brilliance control apparatus of light source in an optical scanner  
A brilliance control apparatus of light source in an optical scanner particularly contemplating for a transparency scanner includes a generally rectangular lamp stand and a lamp shade which has an...
5513286 White light dimmer for fiber optic illumination sources  
The present invention provides a method and apparatus for dimming the white light received by an optical fiber. The apparatus is a cover having a thin edge and a flat surface for application to the...
5513049 Day-night rear view mirror  
A day-night mirror for a vehicle has a first sheet of transparent material, a second sheet adjacent and parallel to the first sheet, the second sheet having a first light reflective surface facing...
Matches 51 - 100 out of 271 < 1 2 3 4 5 6 >