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7616382 |
Image observation apparatus and image observation system
The image observation apparatus includes a first image-forming element and a second image-forming element each of which forms an original image, and an optical system configured to introduce light...
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7605386 |
Optical device with raster elements, and illumination system with the optical device
The invention relates to an optical device that includes (a) a first optical element with at least one first raster element, where the first raster element has a first axis, (b) a second optical...
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7589902 |
Method of combining images in a wearable display system
A wearable display system, such as a Head Mounted Display, having a display engine producing light, preferably linearly polarized light, which defines a synthetic image that is relayed to a wire...
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7549775 |
Light source apparatus and image display apparatus having same
Directivity of light beams can be adjusted appropriately relative to the normal to the light emission surface of a light source. Thus, the light source apparatus has high brightness without...
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7542211 |
Image-forming optical system
A high-performance image-forming optical system made compact and thin by folding an optical path using reflecting surfaces arranged to minimize the number of reflections. The image-forming optical...
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7525735 |
High resolution head mounted projection display
An exemplary embodiment of the invention relates to an on-axis or near on-axis optical head mounted projection display optical assembly for transmitting and magnifying a real image to an eye. The...
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7517090 |
Real image projection device having plastic curved mirror for improving image and correcting aberrations
A device using a low-cost plastic curved mirror and several combinations of methods for reducing aberrations to improve a real image projection system is provided, so as to reduce ghost and...
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7446943 |
Display optical system, image display apparatus, image taking optical system, and image taking apparatus
A display optical system for guiding light from an original picture to an eye of an observer or a surface to have an image projected thereon is provided with a first optical system and a second...
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7430078 |
Multiple imaging arrangements for head mounted displays
A head mounted display is disclosed that utilizes a single video display screen to transport images to both eyes. Multiple reflections are created by illuminating the display screen form a...
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7420751 |
Compact optical apparatus for head up display
In a head up display apparatus adapted to be mounted on a head in the goggle type or the head gear type and enable a video image to be observed, wherein an original image is directed to an eyeball...
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7408715 |
Image display apparatus and image display system
An image display apparatus having a compact size and appropriately achieving a larger field angle is disclosed while it has two optical systems guiding light from a single image forming device to...
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7397607 |
Micro-display engine
Virtual displays with micro-display engines are arranged in compact, lightweight configurations that generate clear virtual images for an observer. The displays are particularly suitable for...
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7394986 |
Flat top optical filtering component
The invention relates to wavelength-selective optical filters for allowing light of a narrow optical spectral band, centered around a wavelength (λ c ) to pass through them, while reflecting the...
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7391573 |
Substrate-guided optical devices
There is provided an optical device, having a light-transmitting substrate having at least two major surfaces ( 26 ) parallel to each other and edges; optical means ( 16 ) for coupling light waves...
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7350922 |
Three-dimensional display using variable focal length micromirror array lens
A three-dimensional display device includes a two-dimensional display displaying a depthwise image, and a variable focal length micromirror array lens receiving light from the two-dimensional...
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7346261 |
Image display apparatus
There disclosed is an image display apparatus having a light source, a scanning member for deflecting a light from the light source to scan a predetermined surface with the light to form a...
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7345822 |
Head-up display device with curved optical surface having total reflection
A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding...
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7334900 |
Three-dimensional image projecting apparatus
The invention provides a three-dimensional image projecting apparatus. The three-dimensional image projecting apparatus comprises a light signal generator, a filter device, a focusing device and a...
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7268930 |
Optical modulator
An optical modulator used for optically modulating electromagnetic energy. The optical modulator comprises a substrate and three substantially planar reflectors arranged substantially mutually...
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7253960 |
Head-up display device with rotationally asymmetric curved surface
A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding...
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7247866 |
Contamination barrier with expandable lamellas
A contamination barrier that passes through radiation from a radiation source and captures debris coming from the radiation source is disclosed. The contamination barrier includes an inner ring, an...
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RE39643 |
Wide field of view imaging system
A wide FOV imaging system ( 10 ) includes an objective lens ( 14 ), a convergent reflective element ( 18 ) positioned proximate an intermediate image ( 16 ) formed by the objective lens, and a...
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7207678 |
Prism for high contrast projection
Prism elements having TIR surfaces placed in close proximity to the active area of a SLM device to separate unwanted off-state and/or flat-state light from the projection ON-light bundle. The TIR...
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7154673 |
Light irradiator
A light illuminating apparatus used for a laser annealing apparatus includes a first light splitting unit ( 16 ) and a second light splitting unit ( 20 ) for splitting a sole laser beam into n...
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7145726 |
Head-mounted virtual display apparatus for mobile activities
The present invention is a head-mounted virtual display apparatus based on a non-cross-cavity optical configuration, in which a near-eye light deflecting element (LDE) is located in the peripheral...
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7133207 |
Micro-display engine
Virtual displays with micro-display engines are arranged in compact, lightweight configurations that generate clear virtual images for an observer. The displays are particularly suitable for...
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7119971 |
Optical prism, display element support and optical assembly using the same
An optical prism 100 for reflecting light incident on its light incidence surface 12 suited for incidence of light from an LCD 20 at least twice within itself and emitting the reflected light...
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7118212 |
Image display device
To provide an image display device of the type use while worn on the head without giving a strange impression when used in everyday life. An image display device 1 includes a main body 10 that...
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7088664 |
Reflection type compound prism and optical pickup apparatus employing the same
A reflection type compound prism and an optical pickup apparatus employing the same. As a light beam is passed through the compound prism, a size of the light beam in a direction perpendicular to a...
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7088517 |
Beam splitter device or laser-scanning microscope
The subject matter of the invention is a beam splitter device having two spaced apart parallel highly reflecting mirrors, between which there is disposed a semireflecting mirror which is spaced a...
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7088516 |
Wide field of view head mounted display device
Provided is a wide field of view head mounted display device capable of presenting 120 degree field of view per one eye and 180 or more by both eyes horizontally while keeping resolution at least...
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7086742 |
Projection optical system
A projection optical system is disclosed with which undistorted images can be obtained at any image position within a specification range, and whose projection angle can be changed. The projection...
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7081999 |
Image display apparatus and head mounted display using it
An image display apparatus includes a reflective display device, a light source for illuminating the display device, an illumination optical system for guiding light from the light source to the...
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7077523 |
Three-dimensional display using variable focusing lens
A three-dimensional display device includes a two-dimensional display displaying a first image, and a variable focusing lens receiving light from the two-dimensional display and forming a second...
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7068444 |
Image display unit and projection optical system
An intermediate image of an image from the LCD module 142 is deflected by reflection mirrors M 1 and M 2 via zoom automatic focus control system (g) and then is formed on diffusion glass 131 ...
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7057814 |
Illumination system for reflective displays
An illumination system for a reflective display is particularly useful for microdisplays that use reflective displays. The light source and the reflective image display unit are mounted in a...
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7046448 |
Vehicle information display
A rearview mirror display system for a vehicle including a rearview mirror assembly, a reflective element and a projection display. The rearview mirror assembly comprises a mirror casing. The...
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7019909 |
Optical system, image display apparatus, and image taking apparatus
A small optical system that is capable of widening an angle of view is provided. This optical system is provided with a first surface having a reflecting action and a second surface that reflects a...
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7006198 |
System and method for laser beam expansion
The present invention relates to a method and system for expanding a laser beam. An illumination system includes a horizontal reflective multiplexer and a vertical reflective multiplexer. The...
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6994438 |
Optical component casing, optical device and projector
An optical component casing ( 40 ) that houses a plurality of optical components including a reflection mirror ( 424 ) and disposes the plurality of optical components on a planarly defined...
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6991338 |
Projection optical system, projection type image display apparatus, and image display system
A projection optical system having a plurality of reflecting surfaces is disclosed in which a sufficiently large angle is provided between an incident side reference axis and an emerging side...
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6989935 |
Optical arrangements for head mounted displays
A head mounted display is disclosed that utilizes a single video display screen to transport images to both eyes. The image of this display screen is focused in order to reduce the splitting volume...
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6969176 |
Spherically-enclosed folded imaging system
Systems and methods are disclosed for obtaining compact, high beam-quality imaging systems for use within a spherical housing of a sensor ball of a given size. Primary and secondary mirrors may be...
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6924936 |
Light scanning apparatus and two-dimensional image forming apparatus
A one-dimensional image is formed by reflecting the light from a one-dimensional display device having a plurality of light emitting sections or light emitting sections disposed in one direction by...
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6914726 |
Optical apparatus and viewing optical system thereof which is capable of displaying information
A viewing optical system of an optical apparatus has an objective system for forming an image of an object and an eyepiece system for enlarging and directing the image to the pupil. The viewing...
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6903876 |
Display
A body has a configuration in which a first ellipse has a first and second focal points and a second ellipse having a third and fourth points are arranged such that the second and third focal...
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6900936 |
Illumination system for reflective displays
An illumination system for a reflective display is particularly useful for microdisplays that use reflective displays. The light source and the reflective image display unit are mounted in a...
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6890081 |
Optical element and optical system having the same
An optical element formed from a transparent optical material includes two refraction surfaces, a first reflection surface group having a plurality of internal reflection surfaces arrayed in a...
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6873467 |
Method and system for providing optical alignment for a visible wavelength reflective system
A method for providing optical alignment for a visible wavelength reflective system is provided. The method includes positioning a first mirror blank on a lathe fixture. The first mirror blank...
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6853491 |
Collimating optical member for real world simulation
A collimating image-forming apparatus comprising a first linear polarizer is disclosed. A first quarter-wave plate is disposed adjacent the first polarizer and has its fast and slow axes at...
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