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7450799 |
Corner-cube retroreflectors for displays
Enhancement of the contrast ratio of optical flat panel displays by integrating an array of corner-cube retroreflectors into the front face of the optical display, said integration involving mutual...
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7434947 |
Adaptive phase mask for producing a phase shift in incident light
Systems and methods for shifting the phase of incident light to induce a continuous phase variation in an azimuthal direction. A phase mask apparatus includes a conical mirror assembly and a...
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7354168 |
Facet mirror having a number of mirror facets
A facet mirror ( 10 ) is provided with a number of mirror facets ( 11 ), in which the mirror facets ( 11 ) respectively have a spherical or conical facet body ( 17 ) with a reflecting surface ( 12...
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7338178 |
Interstellar light collector
Devices and methods that collect, concentrate, and disperse celestial light into spectra of different wavelengths by utilizing a large collection mirror and a means for dispersion located at a...
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7309398 |
Composite backed prestressed mirror for solar facet
A glass structure, such as a mirror facet, having a glass member, a composite structure and a support structure. The composite structure includes a rigid interlayer which is bonded to the glass...
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7281833 |
LED vehicle lamp including reflector with paraboloidal sections
A vehicle lamp includes a set of alternatively provided first and second reflection surfaces that reflect the light emitted by a first and second respective diodes toward a lamp lens. Each of the...
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7235918 |
Thermally-conductive plastic articles having light reflecting surfaces
A thermally-conductive polymer composition suitable for making molded reflector articles having light-reflecting surfaces is provided. The composition comprises: a) about 20% to about 80% by weight...
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7220035 |
Compact, high-efficiency illumination system for video-imaging devices
An illumination system for a video-imaging device has a light source and a collector of light from the light source. The collector is formed according to the principles of non-imaging optics and...
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7216463 |
Camouflaged structure and method of camouflaging a structure against a background having a generally uniform composition
A camouflaged structure and a method of camouflaging a structure against a background having a generally uniform composition of hue, saturation and brightness. In one embodiment, the camouflaged...
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7213931 |
Method for reflecting radiation emanating from a source
A method for effecting solar radiation in space prior to the solar radiation reaching Earth. The method includes the steps of choosing a location between the Earth and the sun, focusing reflected...
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7207327 |
Feedback control method for a heliostat
An instrument for a solar energy system including a receiver and a heliostat to reflect solar energy on to the receiver. The instrument includes a first element adapted to form an image of the sun,...
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7192146 |
Solar concentrator array with grouped adjustable elements
A ground-based tracking heliostat array comprises a first plurality of elongate row mounts. The elongate row mounts are positioned at least partially between, and are supported by, a first side...
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7178948 |
Light collection system
A light collection system includes a substantially elliptical first reflector that defines first and second focal points on an axis. The first reflector has an annular region that encompasses the...
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7161729 |
Array of micromirror array lenses
An array of micromirror array lenses is invented. The micromirror array lens consists of many micromirrors and actuating components. Each micromirror array lens is variable focal length lens with...
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7156531 |
Parabolic concentrator
The present invention discloses a parabolic dish-shaped electromagnetic wave front concentrator composed of a plurality of petal like identical interchangeable segments. The segment are comprised...
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7061692 |
Ultra-lightweight electromagnetic wave concentrator and method for manufacture thereof
This electromagnetic wave concentrator having high rigidity and flexibility is suitable for communications and is produced by molding using stress relaxation in thin-film material. An...
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7055967 |
Illumination systems employing corrective optics for use in reduced étendue color video projection systems
An illumination system is provided with at least a first arc lamp positioned on the first axis of a first reflecting device. An aspherical corrector plate is positioned to receive the light rays...
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7034998 |
Method of connecting a multiplicity of optical elements to a basic body
In a method of connecting a multiplicity of optical elements ( 9 ) to a basic body ( 8 ), in particular for producing a faceted mirror ( 1 ), for example for beam mixing and field imaging for an...
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7018056 |
Method of producing a lighting or signalling device, and lighting or signalling device obtained by this method
The present invention concerns a method of producing a lighting or signalling device comprising a light source ( 16 ), a reflector ( 14 ) reflecting the light rays emitted by the light source ( 16...
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7014329 |
Parabolic reflector
For camping trips and other activities it is useful to have a solar reflector for cooking or electricity generation. It can be made form a flat piece of material and folded into a three dimensional...
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6988809 |
Advanced micro-optics solar energy collection system
Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. Broadly this invention deals with the general concept of...
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6987604 |
Manufacture of and apparatus for nearly frictionless operation of a rotatable array of micro-mirrors in a solar concentrator sheet
Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. The instant invention can contribute to the goal of achieving...
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6984050 |
Heliostat for sunlight concentration system and method of controlling the same
A heliostat 5 for use in a sunlight concentration system for utilizing sunlight as energy according to this invention has a plurality of small concave mirror elements 8 and reflects and focuses...
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6971756 |
Apparatus for collecting and converting radiant energy
A radiant energy collecting and converting device having at least one array of slat-like concave reflective elements and an elongated receiver. The device efficiently concentrates and converts...
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6966661 |
Half-round total internal reflection magnifying prism
It is taught that two reflective parabolic or paraboloidal surfaces of different scales whose axes point in opposite directions but which share a common focal point can be used as an image forming...
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6964488 |
Reflector dish
Reflector dish having a reflective surface for reflecting incident radiation to a focal region and a receiver for receiving radiation reflected by the reflective surface. A reflective surface...
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6964486 |
Alignment of solar concentrator micro-mirrors
Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. The instant invention is concerned with method and apparatus...
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6959993 |
Solar concentrator array with individually adjustable elements
A tracking heliostat array comprises a plurality of optical elements. The tracking heliostat array further comprises a frame separated from the optical elements. Each of the optical elements has an...
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6957894 |
Group alignment of solar concentrator micro-mirrors
Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. The instant invention is concerned with method and apparatus...
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6954565 |
Coupling configuration for optically coupling an optical conductor to an opto-receiver
A coupling configuration for connecting an optical conductor to an opto-receiver has a parabolic mirror or a spherical mirror that reflects light emerging from the optical conductor onto a...
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6952304 |
Variable mirror and information apparatus comprising variable mirror
A deformable mirror according to the invention comprises a substrate, a reflector which is supported by said substrate and the shape of whose reflecting areas is variable, and a plurality of drive...
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6945660 |
Device for capturing and emitting radiations
The disclosure is a radiation collecting/emitting device to/from different spatial directions, the apparatus in the preferred design is manufactured in a single piece and the work surface is...
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6911110 |
Thermally controlled solar reflector facet with heat recovery
A high concentration central receiver system and method provides improved reflectors and a unique heat removal system. The central receiver has a plurality of interconnected reflectors coupled to a...
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6894818 |
Conformal all-reflective beam-steering (CARBS) device
A conformed all-reflective beam-steering (CARBS) device is provided which is a hybrid of a mirror and one-axis gimbal assembly mounted on a rotating carriage. The CARBS device functions as a...
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6891180 |
Camera system for editing documents
A camera system ( 2 ) for strip-shaped exposure of a bank note (BN) having good optical properties as well as a compact construction has, symmetrically to an optical axis (OA), mirror assemblies (...
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6885501 |
Compound telescope with a stationary primary objective mirror having movable collectors
The present invention relates to a novel land based reflecting telescope having a stationary, equatorially mounted, segmented mirror comprised of a plurality of movable mirrored collectors. These...
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6863409 |
Apparatus for generating parallel beam with high flux
Disclosed herein is an apparatus for generating a parallel beam with a high flux. The apparatus of the present invention includes a light source, a first mirror and a second mirror. The light...
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6843573 |
Mini-optics solar energy concentrator
This invention deals with the broad general concept for focussing light. A mini-optics tracking and focusing system is presented for solar power conversion that ranges from an individual's portable...
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6842291 |
Light altering device
A line producing system includes an input beam of radiant energy that enters a side of a low cost, radiant energy altering device. The radiant energy emerges from the light altering device...
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6839095 |
Single-path color video projection systems employing reflective liquid crystal display devices
A multimedia projector ( 100 ) includes a single-path frame-sequential color optical system in which light rays emitted by a light source ( 14 ) propagate through a color wheel ( 102 ) and an...
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6820509 |
Ultra-accelerated natural sunlight exposure testing facilities
A multi-faceted concentrator apparatus for providing ultra-accelerated natural sunlight exposure testing for sample materials under controlled weathering conditions comprising: facets that receive...
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6814453 |
Low-cost reflector with excellent heat resistance
In a reflector ( 10 ) including a mirror base member ( 11 ) having a concave surface, a reflecting film ( 12 ) is formed on the concave surface. For preventing the fragments of the broken lamp from...
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6811271 |
Electromagnetic wave focusing device
The electromagnetic wave focusing device has a mirror group consisting of a focal-line type primary reflective mirror and secondary reflective mirror which have a unique parabolic cross-sectional...
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6793375 |
Reflector with complex parabolid surface for elongated light source
A surface mountable strobe incorporates an elongated light source and a multi-element reflector. The reflector includes a first generally circular partial parabolic reflector element with an axis...
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6793356 |
Omnidirectional vision sensor
An omnidirectional vision sensor includes: an optical system including a body-of-revolution mirror having a convex portion and having a symmetrical structure with respect to a revolution axis,...
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6783261 |
Optical assemblies for concentration of radial light distribution within confined luminaire packages
An optical assembly for architectural illumination which includes a quasi point source surrounded by a collimating ring lens designed to radially project collimated beams. A segmented, off axis,...
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6739729 |
Composite backed prestressed mirror for solar facet
A glass structure, such as a mirror facet, having a glass member, a composite structure and a support structure. The composite structure includes a rigid interlayer which is bonded to the glass...
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6705737 |
Reflective optical apparatus for interconverting between a point of light and a line of light
An optical apparatus includes a nonplanar light-reflecting surface having a shape referenced relative to an orthogonal axial system having an x-axis, a y-axis, and a z-axis. The light-reflecting...
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6705736 |
Light-collection device
A light-gathering device for concentrating light. The light-gathering device may be used as a stand-alone telescope or as an attachment to a standard telescope. When used as an attachment to a...
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6676264 |
Laser beam focusing apparatus and method for focusing a laser beam
A hollow tube having a pair of openings which have their respective different diameters and are opposed each other is prepared. Then, a pulsed laser beam is introduced into the hollow tube from the...
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