Matches 151 - 200 out of 394 < 1 2 3 4 5 6 7 8 >
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6414803 Micro magneto-controlled optical path-guiding platform  
A method of making a micro magneto-controlled optical path-guiding platform comprises an optical path-guiding platform, couples of the optical routes, a micro magneto-flux prism located at the...
6407868 Cross dichroic prism, method of making the same, and full-color projector using the same  
A cross dichroic prism comprises four triangular prisms having isosceles right triangular cross sections identical in shape, opposing side faces thereof being bonded and secured together with...
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,...
6386710 Projection display apparatus  
A projection display apparatus comprises a modulator, an analyzer, and projecting optical system. The modulator includes two-dimensionally arrayed pixel units and it modulates an incident light and...
6377397 Illumination device for a surgical microscope  
The invention concerns an illumination device having a stop ( 8 ) for a surgical microscope, whose stop ( 8 ) is capable of covering a partial light flux of the illumination system, the coverage...
6344039 Device for eliminating parallax of stereo microscopes during refractive laser surgery  
A device for eliminating decentration error due to parallax during ophthalmic laser surgery comprises a stereo microscope having a first ocular and a second ocular and an objective lens for viewing...
6342981 Zero-displacement phase retarder device and method  
An optical device includes a substrate 60 and three prisms 10, 20 and 30 . The first prism 10 is disposed adjacent to an upper surface of the substrate 60 . An incoming beam aperture 65 ...
6341028 Jitter mechanism for a real time fingerprint sensor and verification system  
A real time fingerprint verification system includes a recording device and a verification device each having a fingerprint scanner for generating a flat, dimensionally undistorted, high contrast,...
6333821 Optical elements  
The invention relates to optical elements comprised of an optical isotropic completely aromatic polyester with a glass transition temperature T g ≥180° C.
6331915 Lighting element including light emitting diodes, microprism sheet, reflector, and diffusing agent  
A lighting element in which a plurality of point sources are in the form of LEDs situated between a microprism sheet and a reflective backing arrangement, the microprism sheet being of the type...
6323995 Optical element switching device and optical microscope loaded with the device  
An optical element switching device is provided wherein a plurality of optical elements are held by a guide mechanism for guiding them to move straight or rotate and arranged on a turret, and...
6324020 Method and apparatus for reduction of trapezoidal distortion and improvement of image sharpness in an optical image capturing system  
An apparatus and method for acquiring an image of a patterned object such as a fingerprint including a light refracting device, a focusing lens, and a light source. The light refracting device can,...
6320699 Aberration correcting apparatus and optical apparatus using the same  
An aberration correcting apparatus and an optical pickup apparatus using this apparatus, in which a spherical aberration based on a thickness error of an optical disc substrate can be preferably...
6320709 Method for installing electro-optical device to prism and manufacturing method for a projector  
A method for installing an electro-optical device to a prism and a manufacturing method for a projector that permit improved positional accuracy, improved fixing operation efficiency, and a...
6317450 Reeder compensator  
A thermal birefringence compensator for a double pass laser system, which includes a polarization or conventionally outcoupled laser resonator, a gain medium and a compensator optically coupled to...
6307678 Image shake correction device for optical apparatus and optical apparatus having image shake correction device  
An image shake correction device for correcting image shake on the focal plane of an optical apparatus due to vibration of the optical apparatus such as a camera. A correction optical element is...
6275338 Light regulation device  
A light regulation element regulates both the travelling direction and diffusion state of a light emitted from a surface light source device. Lights from a cylindrical light source 2 such as a cold...
6262839 Optical unit for image projection and tool incorporating same  
An optical unit for projecting an image including first and second locating lines for substantially eliminating the introduction of visual parallax error. In one preferred form, the optical unit is...
6262413 Composite optical device and its manufacturing method  
A composite optical device comprises an optical element bonded onto a support body with an adhesive, at least a part of surfaces of the optical element being covered by a film made of a hydrophilic...
6226135 Reflector type prism and reflector type prism forming die  
The bottom surfaces of an entering surface-forming portion 1a for forming a light-entering surface 11a of a reflector type prism 11 and of an emitting surface-forming portion 1b for forming a...
6222627 Wollaston prism and use of it in a fourier-transform spectrometer  
The present invention is related to a Wollaston prism (WP) comprising two birefringent wedges (W1, W2) joined by their hypotenuse to form a composite block, said wedges having optic axes (OA1, OA2)...
6217179 Optical reflection panel  
An optical reflection panel made of thermosetting plastic material as a substrate is disclosed. One surface of the substrate is coated with an adherent layer and then an optical reflecting layer is...
6212022 Beam shaping optical system  
Disclosed is a multi-beam optical system, which has a light source having a plurality of light emitting portions from which a plurality of light beams are emitted, respectively; a collimating lens...
6198581 Finder prism  
It is an object of the present invention to provide a finder prism capable of forming some in-finder information such as an automatic focus target mark and a short distance correction mark by...
6185055 360-degree all-around reflector  
An all-around reflector for retroreflection of beams which comprises, as reflectors, triple prisms with round light entrance surfaces, wherein the triple prisms are arranged in a housing in such a...
6171421 Prism assembly and method for producing the same  
The prism assembly of the present invention includes: a prism made of plastics having light transmittivity; and a glass plate which is joined to a plane of the prism obliquely intersecting a light...
6141145 Stereo panoramic viewing system  
A stereo panoramic view is provided through the use of multiple virtual optical centers. A reflective polyhedral cement, such as a pyramid, redirects the field of view of each camera in a first set...
6104552 Vehicular rearview mirror assembly with forward vision optical system  
An exterior rearview mirror for vehicles incorporates a forward vision improving system allowing improved visibility of the opposite roadway forward of the vehicle for safer passing. Preferably,...
6087014 Optical coatings of medium refractive index  
The invention relates-to optical coatings of medium refractive index, having refractive index values of about 1.6 to 1.9, which can be obtained by vapor deposition of vapor-deposition materials...
6078441 Optical device for producing rotational displacement of an incident image  
An array of graduated prisms disposed in a circle for rotating an incident image, the prisms are disposed with their end faces at the periphery of the circle and their apices at the center. The end...
6046867 Compact, light-weight optical imaging system and method of making same  
A compact optical imaging system that transmits light received from an object located at an image plane to an exit pupil to form an image comprises a first prism, a second prism, a converging...
6042239 Aircraft canopy reflection reduction  
Illuminated instruments in aircraft cockpits often create reflections from the canopy which interfere with the pilots vision. A wedge of optical material positioned adjacent the instrument retracts...
6034821 Optomechanical components for use as optical interconnects  
Optical components that are designed to be coupled together in modular fashion to form an optical network. The components are shaped so that a plurality of components can be coupled together to...
6031179 Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof  
A color-mixing lens for use in a concentrator system and methods of manufacture and operation thereof. The color-mixing lens includes: (1) a light-transmissive substrate that receives broad...
6023365 DMD illumination coupler  
A DMD illumination coupler, and a method of improving the wavefront quality of a transmitted illumination beam over the prior art using the invented DMD illumination coupler are disclosed. The...
6021006 Optical system having composite prism  
An optical system comprises a pentagonal roof prism and a transparent plate. A rear surface of the pentagonal roof prism is provided with a triangular recessed portion. The wall of the recessed...
6020553 Photovoltaic cell system and an optical structure therefor  
High radiation concentration photovoltaic cell system including at least one optical structure in the form of a three-dimensional body having a first surface adapted to receive thereon photovoltaic...
6015950 Refractive spectrum splitting photovoltaic concentrator system  
A solar energy conversion system, in which two separated arrays of refracting elements disperse incident sunlight and concentrate the sunlight onto solar energy converters, such that each converter...
5977478 Solar module  
For the purpose of providing a solar module which has a fixed type solar concentrator of high converging magnification, a solar cell 12 is installed on the bottom face of an extension 30 which is...
5969869 Prism  
A prism has a notch at a lower end of a third reflection plane of a pentagonal roof prism. The notch has a frosted wall, on which a transparent plate is adhered with adhesive. A miniature prism is...
5966253 Transmission type optical deflector  
A transmission type optical deflector wherein a prism holder is supported by a yoke member to rotate about a principal axis through an elastic device. A wedge-shaped transmission prism is provided...
5946139 Compact monitor  
A color display including a non-polarized light source, at least one polarizing beam-splitter receiving light from the non-polarized light source, at least one selectably actuable polarization...
5946147 Roof prism  
An injection-molded roof prism has a roof surface. A positioning portion is provided for a positioning in a direction vertical to both a ridgeline formed at the roof surface and an optical axis...
5946148 Variable transmission beamsplitter  
The present invention consists of two right angle prisms, one of which is coated with a wedged layer of low index of refraction transparent material such as magnesium fluoride. The coating varies...
5922238 Method of making replicas and compositions for use therewith  
Compositions and methods for replication are described. A method includes: providing a first submaster having a first topography; providing a carrier having a first side and a second side; coating...
5919551 Variable pitch structured optical film  
The present invention includes a structured optical film with variable pitch peaks and/or grooves to reduce the visibility of moire interference patterns and optical displays incorporating one or...
5917664 Brightness enhancement film with soft cutoff  
A brightness enhancement film has a plurality of linear prisms. The prisms are disposed in pairs, each pair having first and second prisms and each prism has a prism angle and a valley angle....
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...
5912775 Method and apparatus for temporal and spatial beam integration  
A method and apparatus for providing sequential temporal and spatial integration of a collimated non-symmetrical excimer laser beam to optimize the temporal and spatial characteristics of the beam....
5892630 Disposable endoscope  
An endoscope includes a disposable probe and a non-disposable focusing ocular. The probe includes a transfer module assembly including one or more relay modules, and an objective element including...
Matches 151 - 200 out of 394 < 1 2 3 4 5 6 7 8 >