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7425070 |
Three-dimensional (3D) image projection
Three dimensional (3D) image projection is described. In one aspect, each projector of multiple projectors generate a respective composite of an image. With respect to any particular projector, the...
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7414783 |
Apparatus for the optical manipulation of a pair of landscape stereoscopic images
Apparatus ( 2 ) for the optical manipulation of a pair of landscape stereoscopic images, which apparatus ( 2 ) comprises a housing ( 4 ), and optical re-orientation means ( 6 ) positioned in the...
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7357510 |
Projection-type 3-D image display device using single projector
A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored...
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7301510 |
Methods and apparatus for reducing frame violations in a stereoscopic display
Methods and apparatus are provided for reducing frame violations in a stereoscopic display. A stereoscopic display system for presenting a stereoscopic image to a user suitably includes one or more...
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7177080 |
Method and a device for bi-monocular image transfer
A viewing arrangement includes an image generator having a single, two-sided display screen having a front and a back side which display a front image and a back image, respectively, of a...
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7144113 |
Virtual image display apparatus
A virtual image display apparatus comprises a pair of optical projection systems, each having a display device, a light source and a projection lens. The images formed on the display device are...
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7113334 |
Autostereoscopic vision system
It comprises a first prism ( 10, 10 a, 10 b ), with triangular base, on which is arranged at least one second transparent prism ( 2, 11 ) the combination defining a prismatic body which is...
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7113331 |
Binocular telescope with photographing function
A binocular telescope with a photographing function comprises a pair of telescopic optical systems, a photographing optical system, and a pair of reticle elements, on which reticles are formed. The...
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7046440 |
3-D vision system for swimming pools
A decorative treatment for swimming pools provides underwater anaglyphs for adhesion to the pool sides and filtering stereoscopic underwater goggles for use by swimmers in viewing the anaglyphs.
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6975453 |
Multilayer electrically conductive anti-reflective coating
The present invention comprises a multilayer inorganic anti-reflective coating with predetermined optical properties, for application on a flexible substrate. The coating comprises a stack...
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6929369 |
Autostereoscopic display
An autostereoscopic display comprises an SLM which is controlled to provide an image display and a signal display. A parallax optic has a first portion which cooperates with the image display to...
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6798573 |
Device for generating a 3-D image from two 2-D pictures
A device for generating a 3-D image includes a tubular body with liquid filled therein and two protrusion portions extrude from one side of the body. Two stereoscopically related two-dimensional...
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6545803 |
Virtual screen display device
A virtual screen display apparatus includes a display arranged to generate display information and having an effective diagonal length DLC and an optical projecting element arranged to receive the...
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6525847 |
Three dimensional projection systems based on switchable holographic optics
Switchable holographic optical elements (HOEs) can used in systems and methods for projecting three-dimensional images, or for projecting two-dimensional tiled images with increased size and/or...
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6511182 |
Autostereoscopic optical apparatus using a scanned linear image source
A monocentric arrangement of optical components providing stereoscopic display of a virtual image, electronically generated, line by line, from a linear image source ( 36 ) and projected, as a real...
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6259565 |
Display apparatus
A semi-spherical system holding mechanism 8 such as to cover the head portion of the user is provided in the upper portion of a user holding mechanism 9 such as chair, sofa, or the like. A display...
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6243207 |
Display apparatus
A semi-spherical system holding mechanism 8 such as to cover the head portion of the user is provided in the upper portion of a user holding mechanisms 9 such as chair, sofa, or the like. A display...
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6219184 |
Stereoscopic image display apparatus with radial display means including a plurality of transparent columns arranged radially
A stereoscopic image display apparatus includes an image display apparatus main body and a multi-angle image information generating unit for generating image information for a plurality of viewing...
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6188518 |
Method and apparatus for use in producing three-dimensional imagery
A method of producing three-dimensional imagery including displaying on a screen surface, imagery containing two or more spaced apart angles of view about a common centre of a subject of the...
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6187211 |
Method for fabrication of multi-step structures using embedded etch stop layers
A method of fabrication is provided for multi-step microlithographic structures including Fresnel lenses whereby the process includes the formation of intermediate etch stop layers that are...
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6108130 |
Stereoscopic image sensor
A stereoscopic image sensor may be formed of a single image sensor having a pair of fields formed therein. The fields may be closer to one another than are a pair of left and right image...
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6101008 |
Autostereoscopic display based on electrically switchable holograms
An autostereoscopic display system and a method of displaying a scene in a stereoscopic form on a screen of the system include two or more reconfigurable holographic optical element (HOE) stacks in...
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6046850 |
Stereoscope apparatus
Disclosed is a stereoscope apparatus comprising a left and right reflective sheets converging, in upright position at a predetermined angle in the range of 40 to 50 degrees, towards the line of...
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5943165 |
Adjustable head mountable stereoscopic viewer
An adjustable, head mountable stereoscopic viewer having a head band to mount the viewer to the user. A tilt bracket is pivotally joined on one end to the head band and at a pivot point on an...
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5917655 |
Method and apparatus for generating a stereoscopic image
To generate a stereoscopic image of an object (41), two light beams (151, 161) unparallel to each other are used to back light a portion (43) of the object (41). The two light beams (151, 161) are...
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5896226 |
Optical device for the visualization of a three dimensional virtual image in superposition with a real object, especially for surgical applications
Optical device for viewing a virtual three dimensional image superimposed on a real object and characterized in that it includes means for forming a three dimensional virtual image and two...
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5894364 |
Stereoscopic image display apparatus
A stereoscopic image display apparatus includes an image display apparatus main body and a multi-angle image information generating unit for generating image information for a plurality of viewing...
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5886817 |
Method and arrangement for creating a three-dimensional effect
A method and an arrangement for creating a three-dimensional effect, in which method the three-dimensional effect is created by viewing an object, for instance two disparate images, by way of an...
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5856888 |
Split beam optical character reader
An optical system for an optical character reader in which a camera, such as a TV camera, reads an image field in a document, includes at least one pair of mirrors which shift half of the image...
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5815314 |
Image display apparatus and image display method
A stereographic image display apparatus for permitting the observation of a high resolution and sharp color stereographic image of a wide view field without requiring specially designed spectacles,...
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5734513 |
Electronic apparatus with a foldable display
A foldable screen display for displaying screen images is disclosed which comprises: (a) at least two sub-displays; (b) a hinging member for pivotally connecting the sub-displays together on a...
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5694260 |
Video visual effects generator
A visual effects generator for use with the image output of a video screen provides multiple secondary images and reflections dispersed through a wide visual field, so that the impact of the color...
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5615046 |
Stereoscopic viewing system
A stereoscopic viewer includes left and right lenses and sight blocks, all housed in the lightweight frame. A stereoscopic display, such as a computer monitor or a TV, includes left and right...
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5596402 |
Viewing device and method for ascertaining simultaneously optical color shift characteristics of an optically variable device
A viewing device for use by an observer to ascertain the authenticity of an instrument of value having an image formed from an optically variable device. The viewing device includes a frame...
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5475419 |
Apparatus and method for three-dimensional video
A system for displaying a three-dimensional video image includes a dual-lensed video camera generating signals representing a subject from each of two different perspectives, with the signals...
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5459605 |
3-D endoscope apparatus
An endoscope has a first end for insertion into a body, or other visually obscured area, with an optical image-forming lens device in the first end for forming two, side-by-side images of an object...
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5384655 |
Stereoscopic viewing device
A stereoscopic image viewing device which can be used to create the effect of a stereoscopic image from back to back stereoscopically complementary views of an image, is disclosed. Also disclosed...
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5327284 |
Device for deriving three dimensional effects from a single two dimensional image
An optical device which provides a three dimensional view of a two dimensional image, such as a television picture. A plurality of mirrors is utilized to present to the two eyes images which are...
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5253107 |
Panoramic interactive system including coordinated movement of a film record within a viewing head
An image viewing system is disclosed for viewing images recorded on a film record in a particular known angular relationship. The viewing system comprises a rotatable viewing head for selective...
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5225861 |
Apparatus for projection of three-dimensional images
An apparatus for presentation of apparent three-dimensional images without special viewing glasses is disclosed. A projection system projects right and left stereo images from a stereoscopic slide...
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5146246 |
Apparatus for presentation of three-dimensional images
An apparatus for presentation of apparent three-dimensional images without special viewing glasses is disclosed. A projection system projects right and left stereo images from a stereoscopic slide...
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5126878 |
Portable stereoscopic viewing apparatus
A stereoscopic viewing apparatus and a related method for providing a three-dimensional effect for a viewer based on a side-by-side display on a conventional video screen of related left and right...
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5124840 |
Portable viewing apparatus
A viewing apparatus for use in providing either a three-dimensional image when used to view a side-by-side display on a conventional video screen of related left and right images that are each...
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5119234 |
Camera for stereoscopic images
A method and apparatus for the provision of stereoscopic three-dimensional images applicable in visual representations such as photographs, paintings, pictures and other patterns or diagrams on a...
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5115339 |
Stereomicroscope
A stereomicroscope for comparing photographs is disclosed. The microscope includes a pair of complementary occluders with one occluder positioned in an intermediate image plane of each side of the...
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4799763 |
Paraxial stereoscopic projection system
Disclosed is a stereoscopic projection system for viewing from an eye station a stereoscopic image composed of a 1 x magnification of an image source pair. Said system comprises a pair of image...
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4756601 |
Three-dimensional image-viewing apparatus
The described three-dimensional image viewing apparatus offers the possibility to perceive spatial objects which are reproduced through a pair of stereoscopic images as three-dimensional images,...
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4641919 |
Stereoscopic viewer for aerial photographs
The invention relates to a stereoscopic viewer for aerial photographs. In this viewer, optical means permit simultaneous examination, through two eyepieces, of corresponding points in two...
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4623223 |
Stereo image display using a concave mirror and two contiguous reflecting mirrors
Stereo views of a scene are reflected by plano mirrors onto a concave mirror. The plano mirrors are positioned to cause the reflected light from the concave mirror to converge on and cross the...
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4550978 |
Three-dimensional viewing device
A hand-held viewing device is provided which creates a stereoscopic illusion when flat subject matter is viewed. The device is comprised of a housing which defines two parallel and identical...
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