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7626653 |
Liquid crystal display device
The liquid crystal display device has a rear frame, a reflection sheet, a backlight, a pair of light frames, a liquid crystal panel, a bezel. The device further includes a cell guide for fixing the...
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7623089 |
Stereo image display device and method
A stereo image display device includes an image display unit for displaying a parallactic image having a right-eye image and a left-eye image on a display plane, a parallactic image selecting unit...
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7604349 |
Static progressive surface region in optical communication with a dynamic optic
An ophthalmic lens is presented in which the lens includes a progressive addition legion and a dynamic optic. The dynamic optic and the progressive addition region are in optical communication. The...
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7567306 |
Liquid crystal ski goggles and methods of manufacturing the same
A goggle includes a lens assembly which comprises a front lens, a rear lens spaced apart from the front lens, and a liquid crystal device disposed on one of the lenses. The goggle includes a frame,...
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7511684 |
Image alignment method for binocular eyewear displays
A method is provided for aligning, without user interaction, the two images of a binocular eyewear display ( 100 ) with respect to their vertical, horizontal, and rotational orientation, and with...
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7486988 |
Method and system for adaptive vision modification
Methods and systems for modifying or enhancing vision are described. In exemplary embodiments, neural or neuromuscular activity is analyzed to determine a focus or other quality of a visual input,...
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7486341 |
Head mounted display with eye accommodation having 3-D image producing system consisting of, for each eye, one single planar display screen, one single planar tunable focus LC micro-lens array, one single planar black mask and bias lens
Systems, methods, apparatus and devices for head mounted stereoscopic 3-D display devices using the tunable focus liquid crystal micro-lens array eye to produce eye accommodation information. A...
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7425066 |
Electro-active spectacles and method of fabricating same
A composite lens assembly comprising an electro-active lens assembly, a first lens wafer, and a second lens wafer is provided. The electro-active lens assembly has an upper substrate layer with a...
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7411637 |
System and method for varying the reflectance or transmittance of light
Device for transmitting light at variable intensity, the device including a front variable polarizer, polarizing incoming light at a first selected polarization level, in a first direction and a...
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7393101 |
Method of manufacturing an electro-active lens
A method of manufacturing an electro-active lens is disclosed. The lens is manufactured by providing a lens blank having a front and back surface, a thickness, and an index of refraction. An...
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7289260 |
Multifocal lens
Apparatus for enhancing vision of a user includes a focal modulation device ( 22 ), which is adapted to focus light from objects in a field of view of the user onto the retina while alternating...
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6992731 |
Electro-optic lens having multiple responsive regions of a variable degree of light transmission, method of fabrication thereof and method of operation thereof
The present invention is directed to a lens having a variable light transmission in response to variations in incident light intensity. The lens is useful for providing eye protection from...
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6963379 |
Head-mounted display
A head-mounted display (HMD) is provided. The HMD includes: an image-forming unit that produces and emits an image; a half mirror disposed obliquely with respect to the image-forming unit for...
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6953249 |
Method and devices for displaying images for viewing with varying accommodation
Light ( 22 ) is projected from an image projector ( 20 ), in response to an image information signal ( 18 ) and is controllably refracted in response to a first control signal ( 26 ), for...
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6943852 |
Single cell liquid crystal shutter glasses
The invention is a stereoscopic shutter system having a single liquid crystal (LC) cell. The system may have flexible substrates or non-flexible substrates. The system requires only two electrical...
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6937305 |
Cholesteric liquid crystal color filter layer and manufacturing method thereof
A cholesteric liquid crystal (CLC) color filter layer for reflective LCD device includes an additional blue CLC color filter in the red and/or green CLC color filter to increase a color...
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6912018 |
Electro-optical glazing structures having total-reflection and transparent modes of operation for use in dynamical control of electromagnetic radiation
Electro-optical glazing structures having total-reflection and semi-transparent and totally-transparent modes of operation which are electrically-switchable for use in dynamically controlling...
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6887531 |
Glare protection device
The glare protection device for welding applications contains an active electro-optical filter element ( 2 ) with an electronic control circuit ( 3 ). The active filter element ( 2 ) absorbs the...
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6864473 |
Dynamic optical filtration
A dynamic optical filtration system and method effectively blocks bright light sources without impairing view of the remainder of the scene. A sensor measures light intensity and position so that...
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6847489 |
Head-mounted display and optical engine thereof
A head-mounted display comprises monocular or binocular display chambers. Each display chamber is equipped with an optical engine that displays images. The mechanism of the optical engine is as...
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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...
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6747711 |
Apparatus for providing a simulated night vision display
Apparatus ( 2 ) for providing a simulated night vision goggle display, which apparatus comprises night vision goggle means ( 4 ), reflective micro-display means ( 6 ) for illuminating the night...
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6653989 |
Composite display apparatus and head mounted display system using the same
A composite display apparatus keeps both optical density of display images formed by a display means and shutter speed of cameras such as a CCD in an optimum state relative to the external world...
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6636278 |
Device for the local attenuation of the light intensity in the field of vision of a light-sensitive monitoring device
A device for the local attenuation of the light intensity in the field of vision of a light-sensitive monitoring and/or recording device (CCD) is described, which is suitable in particular as a...
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6618099 |
Display device with eyepiece assembly and display on opto-mechanical support
A compact, head-mountable display device for transmitting an image to a user's eye is provided. The display device includes a support fixture comprising an elongated member configured to allow...
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6603443 |
Compact display system controlled by eye position sensory system
A compact virtual image electronic display system including a beamsplitting magnification optic on which a source object is projected, the beamsplitting magnification optic having a refractive...
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6573952 |
Goggle type display device
It is an object of the present invention to provide a goggle type display device for preventing a misalignment between a display element and an optical element. The present invention provides a...
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6529331 |
Head mounted display with full field of view and high resolution
A head mounted virtual environment display with high visual resolution and a full field of view is disclosed. The display uses an optical system in which the video displays and corresponding lenses...
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6518939 |
Image observation apparatus
This image observation apparatus comprises: a head-mounted image display unit for displaying images, derived from video signals supplied to itself, on image display units corresponding to...
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6501443 |
Method of controlling liquid crystal lens in solar powered spectacles using light sensors
In a pair of spectacles using liquid crystal lenses, an electrical circuit, for controlling the optical transmission of the liquid crystal lenses, controls the amplitude and/or duty cycle of the...
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6493154 |
Method and apparatus for further enhanced high-speed perception (EHP) of a moving object using an optical shutter spectacle and the method of visual frame rate training
Presented are electronically controlled optical shutter spectacles for achieving biofeedback between the operation of the optical shutter spectacles when worn and the physiological rate and timing...
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6404464 |
Method and system for producing color images with improved brightness and color characteristics on radiation absorptive surfaces
Disclosed is an improved method and apparatus for forming color images on radiation absorptive surfaces, having improved brightness and color characteristics. The apparatus can be realized in...
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6388797 |
Electrostereoscopic eyewear
A pair of stereoscopic eyewear includes an element for integral assembly with the eyewear including a conductive circuit trace. The conductive pattern provides electrical contact between a contact...
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6304303 |
Optical device and head-mounted display using said optical device
The present invention is directed to provide a thin and light optical device for observing visual information with a large angle of visual field and a head-mount display (HMD) using said optical...
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6295102 |
Liquid-crystal shutter
A pair of transparent film substrates are provided. A transparent electrode and an orientation film are formed on each of the pair of transparent film substrates in sequence. A liquid crystal is...
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6278501 |
Three dimensional liquid crystal shutter glasses
One amendatory structure of 3D LCS glasses, it is further a pair of 3D glasses being designed based on human ergonomic that provides a more light-weighted and comfortable wearing condition, that...
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6266106 |
Liquid crystal shutter glasses having inclined liquid crystal glasses
Liquid crystal for a right eye and liquid crystal for a left eye are not positioned in one plane, but are positioned to incline at an angle of 5°. To be concrete, both liquid crystal are inclined...
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6236438 |
Optical visualizing apparatus
The characteristic of a visual-field angle is improved by improving a characteristic of the contrast of a liquid-crystal display element employed in a head mounted display apparatus which is used...
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6160667 |
Apparatus and method for creating and displaying planar virtual images
A method and system for creating very thin displays producing virtual images based on extremely small "pinpoint" light sources. In an embodiment, a pinpoint light source is used in a manner...
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6115177 |
Interactive 3-D viewing glasses
An image viewing system to permit viewing of three-dimensional images, wherein users wear a pair of eyeglasses to view displayed images. The pair of eyeglasses include lenses having LCD polarizing...
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6115007 |
Head mounted display system with varied pixel width
With a head mount display, a difference in an effective area of pixels depending on a horizontal angle of view is corrected. In an active matrix region 106, a horizontal width e of a pixel...
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6089693 |
Pagewidth ink jet printer including multiple pass defective nozzle correction
A liquid ink printer, depositing ink drops to form an image, including a pagewidth printbar, movable to print a complete image when defective nozzles of the printbar are identified. A positioning...
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6034653 |
Head-set display device
The invention relates to a display head-set device that includes a support member and a display-optics interface pod coupled to one of a left handle portion and a right handle portion of the...
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6031588 |
Ferroelectric liquid crystal device for local reduction of light intensity in the visual field
A device featuring liquid crystals for local reduction of the intensity of incident light is described. This device protects the eyes or the video camera against blinding, or the light-sensitive...
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5953082 |
Electro-optical active masking filter using see through liquid crystal driven by voltage divider photosensor
An electro-optical filter (22) typically for use in a still or video camera (10). The camera (10) is provided with a lens (14) for focusing an image of the subject (12) onto focal plane (16) of the...
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5943104 |
Liquid crystal eyewear with two identical guest host subcells and tilted homeotropic alignment
Light responsive, transmissivity variable eyewear utilizing two specifically configured liquid crystal cells and a method of making the cells is disclosed. The cell itself includes a pair of spaced...
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5931905 |
TV mail system
TV mail system comprising a plurality of televisions each having a receiving function capable of receiving broadcasting radio waves and displaying a program, and a mail server to which the...
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5841507 |
Light intensity reduction apparatus and method
A device for selectively reducing the intensity of light in the field of view of an eye or of an optical instrument is described. The device can reduce the light intensity emanating from multiple...
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5812224 |
Head-mount image display apparatus
It is the object of the invention to provide a compact and highly stable head-mount image display apparatus capable of always transmitting voice information of an optimal volume, irrespective of...
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5762823 |
Switchable cholesteric filter and luminaire having such a filter
The invention relates to a switchable cholesteric filter. Said filter comprises an optically active layer which is situated between two substrates which are both provided with an electrode for...
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