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7283300 Magnifying binoculars  
Magnifying binoculars configured for observing a magnified image of an object, includes a frame configured to be worn by a user, a pair of magnifying optical system units provided for left and...
6972903 Visual aid  
A vision assisting apparatus includes a casing for forming an inversely U-shaped optical path, a light entry, provided at one end of the optical path, through which light enters, a light exit,...
6671090 Vision enhancing optical system  
An optical system is capable of enhancing vision of low vision individuals using a simple adjustment mechanism that requires a minimum length of travel to effect a desired adjustment. First and...
6361165 Flyglasses  
Flyglasses having two lenses, at least one of which is faceted and both of which are held in a mount that is preferably flat. The mount can be in the form of a so-called lorgnette having a handle...
6280031 Prismatic optical viewing glasses  
Optical viewing glasses incorporate a visor positioned at the brow line or a wearer above the normal viewing field from which a pair of prisms depend without additional supporting structure thereby...
6120145 Surgical loupes apparatus  
An apparatus for changing the direction of light incident on a surgical loupes, the loupes having two optical barrels each optical barrel having an optical assembly with an optical axis. The...
6067192 Portable viewing apparatus having multiple interchargeable optical modules  
A portable viewing apparatus having a plurality of associated pairs of left and right optical modules, each pair of which can be selectively used to provide a user with a different viewing effect...
6008939 Method of color correction in a color video display system  
Low-cost complex plastic optics allow biocular viewing of video images generated by a single electro-optic display device, such as in a head-mounted display (HMD) for commercial or medical viewing...
5923467 Binocular bent-axis loupes  
Optical loupes comprise a frame supporting two optical devices, each of which has an ocular and an objective. The frame has side arms or stems and a bridge for enabling the frame to be worn like a...
5880884 Diagnostic binocular viewing instrument  
A diagnostic binocular viewing instrument includes a housing having a defined inner cavity, and a pair of adjustable eyepiece assemblies slidingly attached to said housing, each of the sliding...
5757551 Beam splitter for an optical collimator assembly  
A beam splitter device is disclosed for a collimator assembly which includes a housing having optics to collimate light. The beam splitter includes a base member having a tent-like structure which...
5712726 Compact binoculars for nighttime vision  
Compact binoculars for nighttime vision with a center of gravity close to the user. The binoculars have an optical architecture with an inclined principle pathway. The principle pathway extends by...
5680250 Viewing assembly including prisms and mirrors rotatable about axes transverse to the line of sight  
A viewing assembly for viewing a two dimensional object in three dimensions is disclosed which has vision directing means for converging the lines of sight of a user of the viewing assembly to...
5680195 Vision enhancing assembly  
A small, light, wide field (e.g. about a 15 degree field of view), Keplerian bioptic telescope is provided which preferably is mounted in association with conventional eyeglasses. A casing includes...
5640284 Optical reflector, illumination optical system, light source system and illumination optical apparatus  
An optical illumination system according to the present invention is provided with an optical reflector for illuminating a surface to be illuminated in the shape of arc or annulus. A reflective...
5619373 Optical system for a head mounted display  
An optical system for a Head Mounted Display for a virtual reality system that employs a single high-resolution display to generate separate right-eye and left-eye images for presentation to a...
5581399 Binoculars  
Binoculars having two telescopic optical systems for forming a stereoscopic image of an object. Each telescopic optical system has an image sensor, a first optical system, a second optical system...
5579158 Binocular expanded field of view spectacle mounted microscope  
A binocular expanded field of view spectacle mounted microscope including a single microscope provided in front of and mounted to a bridge of a spectacle frame, a first pair of optical path...
5394201 Binocular ophthalmoscope with mirror adjustment  
A binocular ophthalmoscope having a pair of eyepieces that are mounted in a frame and arranged to view a target area in the eye through a pair of angularly offset reflecting surfaces. The...
5347397 Diopter cell assembly for a binocular viewing system  
An optical device for reorienting an optical image from a first optical pathway to a second optical pathway and the method of manufacturing such an optical device. In a preferred embodiment, a...
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...
5267080 Stereoptic viewer  
A stereoptic viewer comprised of a vertical panel supported by rearwardly extending temples for mounting on a person's ears, the panel defining an opening through which both eyes of the person may...
5253108 Helmet-mounted display  
An optical arrangement for a helmet-mounted display for providing binocular presentation to a pilot from a single display source or for superimposing the images from two display sources on his...
5223974 Collimator for binocular viewing system  
The present invention relates to an improved collimator assembly that includes two separate optical paths. Each optical path passes through a corrector lens arrangement substantially centered and...
5184250 Device for the display of simulated images for helmets  
The disclosed display device for simulators has an off-axis collimated display system: a spherical screen and a spherical mirror that are fixed to a helmet worn by the user. This device gives a...
5078469 Optical system which allows coincident viewing, illuminating and photographing  
A binocular surgical loupe which enhances the illumination of the viewed field while avoiding flare effects of illuminating light within the loupe optics. The binocular system utilizes circularly...
4704000 Vision enhancing system  
A sight-facilitating apparatus is provided capable of providing magnifications of about 4X to 8X in an aesthetically pleasing manner. An elongated casing has a light entry at one portion thereof...
4647165 Optical viewing accessory  
An optical viewing system for use by bicycle riders and the like to increase the field of vision thereof includes headgear for supporting the system on the head of the user and an optical viewing...
4606606 Method and apparatus for correcting distortion and curvature of field in a display system  
A distortion identification method which produces an undistorted rectilin cross grid pattern for comparison with any distortion and curvature of field in a display system. An undistorted...
4568158 Binocular ophthalmoscope  
A binocular ophthalmoscope having two horizontally displaceable deflecting mirrors in the ray paths from the two eyes of the observer to the pupil of the eye being examined, and a vertically...
4353621 Optical toys for reversing sighted images  
Embodiments of optical toys for reversing sighted images are used by individuals for their personal enjoyment and their enjoyment with others in playing games. When these toys are held closely...
4316649 Stabilized zoom binocular  
A stabilized binocular using a gimbaled and stabilized triple-reflecting compensator (such as that in Humphrey U.S. Pat. No. 3,475,073) having three reflecting surfaces for each binocular path is...
4274128 Friction hinged headlamp or the like  
Disclosed is a hinged frictional lock adapted to support an assembly such as a lamp, optical system, or the like from a headband or harness. The hinged frictional lock comprises a pair of hinge...
4257691 Line of sight display apparatus  
An apparatus for providing a display of information or a source of light to a viewer or an object along the line of sight between a user of the apparatus and the viewer or object without preventing...
4232965 Optical sighting device  
A handheld optical sighting device having a sighting means for direct forward observation and reflective surfaces that enable images of two objects, one directly ahead of and one directly to the...
4205224 Binocular viewing technique  
Visual images in proper perspective are optically displayed to each eye of one or more movable observers through a common display system. Real images of aperture stop pupils continuously track...
4196966 Binocular magnification system  
Binocular magnification, and magnification and illumination apparatus are disclosed. The apparatus is lightweight and mounted on a head harness, and is especially suited for use by surgeons. In a...
4178072 Optical systems  
Apparatus for biocular viewing comprises a collimating magnifier lens and a prismatic assembly providing inclined partially transmitting/partially reflecting interfaces between solid parts and...
4081209 Headgear with spherical semi-reflecting surface  
Headgear incorporating an optical display system comprising, an optical data source mounted within the headgear above the level of the wearer's eyes, an image combiner having a spherical reflecting...
4061135 Binocular endoscope  
A binocular endoscope for diagnostic work, medical treatment and surgical procedures providing depth perception in the image of an object viewed. Image transmittal from the viewed object to the...
4015898 Upright wide angle stereo ophthalmoscope  
An ophthalmoscope-microscope having an object lens at one end of a housing and an inverting, reversing and separating prism provided in the housing in the optical axis of the object lens, a...
4012123 Binocular device for displaying numerical information in field of view  
Apparatus for superimposing numerical information on the field of view of binoculars. The invention has application in the flying of radio-controlled model airplanes. Information such as, for...
3963329 Small pupil binocular indirect ophthalmoscope  
A binocular indirect ophthalmoscope of the type having a central reflecting prism and a pair of adjustable oculars. The instrument may be used in the examination of eyes having either normally...
3923370 Head mounted displays  
A head mounted display comprising a helmet having a visor which is, at least in part, a paraboloid, two portions of which are treated so as to be at least partially reflective. The visor is...
3847470 INDIRECT BINOCULAR OPHTHALMOSCOPE  
An indirect binocular ophthalmoscope including a single prism and a lens system connected to an illuminating arrangement fastened thereto and extending at an angle therefrom; the illuminating...
3787109 INSIDE HELMET SIGHT APPARATUS  
Helmet mounted display apparatus in which a reflective inside surface of a partially transparent visor is used as the primary optical element. A paraboloidal inside visor surface coated with a...
3687031 MINIATURE CAMERA  
A compact miniature camera having a binocular type viewing system incorporated to sight along the hollow shafts of 35 mm. film spools includes an adjustable viewing system to accommodate different...
3677620 CORRECTIVE MIRROR ASSEMBLY  
A lens-mirror device corresponding substantially to the spectacle lens optical requirements of an individual and corrected for use at a distance of the order of 20 centimeters from the individual's...
3655264 BINOCULAR VIEWING DEVICE  
A binocular device having a housing provided with a pair of prism assemblies, there being an assembly for each eye, respectively. Each assembly includes a pair of prisms used in the Dove mode with...
3614314 OPTICAL DISPLAY MEANS FOR AN ALL-WEATHER LANDING SYSTEM OF AN AIRCRAFT  
An optical means to display immediately before both eyes of a pilot of an aircraft in pictorial fashion an image of substantial spacial identity to that of a physical array of beacons on the ground...
Matches 1 - 50 out of 85 1 2 >