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7327521 Colored light synthesis element and projection device therewith  
The invention includes a first incidence plane, a second incidence plane, a third incidence plane, a first synthesis plane and a second synthesis plane that are interiorly orthogonal to each other....
7280282 Display apparatus for vehicle  
In a head-up display apparatus for a vehicle, an aspherical surface of a reflection mirror compensates a distorted projected image caused by non-planarity of a windshield at a predetermined...
7252389 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...
7230765 Image display device  
To provide an image display device of the type that presents images in a certain part of the field of vision in which the image display device can be used for prolonged periods of time. An image...
7046215 Head tracker system  
A head tracker system for determining a user's head orientation relative to a datum ( 22 ) comprises: a head mounting ( 2 ) for attachment to the user's head; an optical sensor ( 12 ) which in use...
6945648 HMD device  
An HMD device is provided, comprising a frame, which is mountable on the head of a user, an image-generating device mounted on said frame and comprising projection optics, a connecting device and...
6930836 Head-up display device  
A head-up display device having an excellent appearance, which has a simple structure and an excellent design upon both nonuse and use, is provided. A cover having a shape equivalent to that of an...
6919992 Color separating-combining optical system, image display optical system, and projection image display apparatus  
The present invention relates to a color separating-combining optical system of a configuration having a separating optical system which separates light from a light source into a plurality of...
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...
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...
6822623 Head mounted display  
A head mounted display (HMD) that is worn on a user's head to display an image. The head mounted display includes a display body to display the image, a frame to support the display body, the frame...
6813086 Head-up display adaptable to given type of equipment  
A head-up display including a combiner and a relay optics formed from a combination of optical elements and forming an intermediate image projected to infinity by the combiner of a symbology...
6809872 Head-up display with an adjusting device for a mirror  
A head-up display in which the light of an image-forming device ( 10 ) can be projected onto a projection surface ( 12 ) via at least one mirror ( 1 ), and the at least one mirror ( 1 ) can be...
6789901 System and method for providing images for an operator of a vehicle  
A system and method for providing images for an operator of a vehicle include the capability to receive electrical signals representing electromagnetic radiation at an image source and to generate...
6785046 Zoom monocular and viewing screen  
A viewing device ( 10 ) adapted to be held at eye level by an apparatus ( 14 ) comprises a housing ( 16 ) designed to fit within a tray ( 12 ) of the apparatus ( 14 ), two eyepieces ( 22 ) mounted...
6771424 Head-mounted display device  
The present invention is a head-mounted display device comprising a head holding holder that is proximate at least to the two sides of the head and to the front of the head, and a display unit that...
6757107 Optical path splitting element and image display apparatus using the same  
An optical path splitting element for splitting a light beam from a single object into at least two optical paths is made compact in size by using a three-dimensional optical system and given a...
6751025 Double-mirror combining glass for head-up display  
A double-plate combiner for a head-up visor, including two substantially flat plates substantially parallel to each other, and held fixedly together by a holding structure that includes a central...
6747611 Compact optical system and packaging for head mounted display  
A head mounted virtual image display unit is provided which is compact in size and weight, and incorporates a high performance optical system offering a clear see-through capability. A sliding...
6731252 Display source unit for display device in vehicle  
A display source unit for a display device in a vehicle is provided, by which the driver is not given a physical or mental oppressive feeling to his or her head upon getting on and off the vehicle....
6710927 Multi-mode display device  
The present invention relates generally to various arrangements of optical and electronic components to form a high-resolution helmet mounted display (HMD) or other compact display device. In...
6680802 Head-mounted image video display  
A one-eye viewing type head-mounted image display device ( 1 ) that is compact and comfortably wearable consists mainly of a viewer ( 2 ) and an elastic member ( 38 ). The viewer includes an LCD (...
6657789 Method and apparatus for moving back combining screen used for head-up display in vehicle  
The apparatus moves back a combining screen into a dashboard of a vehicle when the combining screen is not used. The combining screen is used for receiving an image emitted from a displaying device...
6654177 Vehicle-use head-up display system  
A vehicle-use head-up display system is provided, which has: a luminous display unit to display an image including information about a vehicle; a reflecting means to reflect light of the...
6618203 Device for supporting combiner for use in vehicle display system  
In the developed state of the combiner 13 , the first arm 19 extends along a vertical line passing the center of gravity G of the combiner 13 , and the second arm 21 and the third arm 23 ...
6580563 Image detection system  
An image detection system comprises a camera ( 2 ) for generating an electrical output signal representative of the detected image. The camera is carried by a headset ( 1, 3 ) for attachment to the...
6574048 Method and apparatus for attenuating solar flux in a head-up display  
A head-up display (HUD) uses reduced reflectivity projection optics to reduce the harmful effects of intense solar radiation on HUD components. In a HUD generally having a display, a mirror, and a...
6563638 Wide-angle collimating optical device  
A collimating optical device utilizes a reflective beamsplitter in the form of a linear polarizing beamsplitter to achieve a wide field of view. One form of the wide-angle collimating optical...
6543899 Auto-stereoscopic viewing system using mounted projection  
Autostereoscopic images are produced by projecting a stereo pair of images onto a modified cube-corner retroreflective material. The cube-corner differs from that commonly available in that it has...
6538624 Head-mounted image display apparatus  
In a head-mounted image display apparatus ( 1 ) for viewing images on a liquid crystal display means virtually enlarged by an enlarging lens while worn on the head, main apparatus ( 10 ) comprises...
6504518 Head-up display  
An optical path of image displaying light projected from an image displaying face of a display element is changed by a combiner, which is to be arranged in front of an observer. A virtual image,...
6501602 Image display apparatus having three-dimensionally decentered optical path  
An image display apparatus allows an image from a single image display device to be led to two eyes without using a half-mirror, thereby allowing observation of a bright image, and facilitates...
6445506 Head up display system  
A head-up display system ( 10 ) incorporates a combiner ( 16 ) which is movable to a stowed (i.e., out-of-use) position by rotation about an axis (C) in or parallel to the plane of image projection.
6417820 Head mounted display and optical system for use in HMD  
A head mounted display device which generates an image using a single image generating unit of a small display device and is capable of simulating a large screen, and an optical system for use in...
6396639 Viewing optical system and image display apparatus using the same  
A compact, bright and high-performance viewing optical system and an image display apparatus using the same. The viewing optical system uses an ocular optical system, which is formed from a...
6388827 Image display apparatus having three-dimensionally decentered optical path  
An image display apparatus having a three-dimensionally decentered optical path to attain a reduction in overall size of the apparatus and to place constituent members effectively in a dead space,...
6359737 Combined head-up display  
A head-up display for a vehicle, the display is capable of projecting an imaging illumination from an image source and a night vision display from a night vision source. The display utilizes a...
6341869 Method and device for providing information  
A projector is disposed at a position that is optically conjugated to a position of eyes of an observer. The projector projects an image to a screen that has retroreflection function so as to...
6333819 Display for head mounting  
In order to visualize an active matrix liquid crystal image generator, it is illuminated in a prism system by a light source and a collimator directing light into the prism system and made linear...
6317267 Head or face mounted image display apparatus  
The present invention is an optical apparatus, e.g. an image display apparatus, which enables observation of a clear image at a wide field angle with substantially no reduction in the brightness of...
6304386 Display device for helmet-mounted display  
A display device for a helmet-mounted visual system including an intensified image-taking device and a visor to combine the intensified images and an ambient scene before the pilot's eyes. The...
6304287 Image viewing device and operation unit for said image viewing device, accessories used with said image viewing device, a facility in which said device and accessories are used, and method of using said image viewing device  
In order to allow the user to see the surrounding area without obstructing the image so that he may use an operation unit or eat and drink while viewing the image while leaving an image viewing...
6301053 Combiner assemblies  
A combiner assembly 20 has an optical combiner 21 mounted to a housing 22 which is further arranged for mounting to a roof structure of a flight deck of an aircraft. The combiner 21 is mounted...
6292305 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...
6275340 Anesthetic alleviation by sensory stimulation  
A device according to the invention is useful for providing viewable images and sounds to persons undergoing medical treatments, including radiotherapy, cosmetic, and other surgeries. According to...
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...
6249386 Non-adjustable helmet mounted optical systems  
Helmet mounted system is provided which includes a helmet which is custom fitted to a user, an optical system which is removably attachable to the helmet, an attachment which is fixedly attached to...
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...
6181302 Marine navigation binoculars with virtual display superimposing real world image  
A system including binoculars augmented with a computer-generated virtual display of navigation information (hereinafter referred to as "nav glasses") and marine navigation systems employing such...
6160666 Personal visual display system  
A visual display device is provided for delivering a generated image, preferably combinable with environment light, to the eye of a user. The device is lightweight and compact but yields a high...
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