Matches 101 - 150 out of 394 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
6778324 Viewfinder optical system and optical apparatus  
A viewfinder optical system includes an objective lens unit, an image inverting unit for converting an object image formed via the objective lens unit into a non-inverted erecting image, and an...
6778341 Method for manufacturing light-selective prism  
The present invention provides a technique for improving the optical characteristics of a light-selective prism. By cutting a block along a plane perpendicular to a first direction, a plurality of...
6754013 Adjustable mount for optical components  
An apparatus for mounting optical components and adjusting its orientation with respect to the optical axis of other components in an optical system. In one embodiment, the multi-axis gimbal...
6751023 Optical film  
An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein...
6747738 Optical system with variable dispersion  
An optical system ( 20 ) provides a variable dispersion that helps to collect multi-spectral information on an object within the field of view. The system ( 20 ) includes at least two sets ( 24, 26...
6733135 Image projection apparatus  
An image projection apparatus including a light source for emitting a plurality of monochromatic color beams having different wave lengths; a first light transmit unit; a light switch unit having a...
6717756 Multibeam multi-wavelength internal drum recording apparatus  
Internal drum recording apparatus provided with a rotating deflecting element, comprising two (or more) beams of different wavelengths, which are simultaneously operatable, and optical elements for...
6715880 Projector device comprising a rod integrator having at least one notch or a protruded portion  
A projector device is provided which is capable of reducing its costs by making it possible to increase luminance of outgoing light from a rod integrator with an output from a light source being...
6715889 Projection type display apparatus  
By mounting a projection lens to a first supporting member for fixing spatial light modulators, polarization beam splitters and a cross dichroic prism, and providing a second supporting member...
6709110 Optical device for projection system  
The present invention pertains to an optical device useful in a projection system. The optical device can be designed for easy replacement of selected parts, if necessary, without the need for...
6707622 Resin-molded prism and mold for the same  
A resin prism including two or more optical surfaces ( 11-13 ) that are not parallel to each other, a pair of side end faces ( 14, 15 ) substantially perpendicular to the optical surfaces ( 11-13...
6704128 Optical system and device using the same  
A viewing optical system for display devices or an image pickup optical system, which can be used with high efficiency at a plurality of wavelengths and enables bright images to be viewed with...
6693561 System for and method of wide searching for targets in a marine environment  
An above-the-water system for and method of finding targets, both animate and inanimate, in a marine environment, especially by determining the distance and depth of targets at, above or below the...
6690521 Light-selective prism, projection display apparatus using the same, and method of manufacturing light-selective prism  
A red-reflecting film and a blue-reflecting film are formed in a substantially X shape on joint surfaces defined by the respective side faces of four columnar prisms or right-angle prisms. The...
6683735 Rapidly changing dichroic beamsplitter in epifluorescent microscopes  
An epifluorescent microscope ( 11 ) is constructed with a quick changing set of filters ( 13,20,21 ). A wheel ( 13 ) containing a plurality of dichroic beamsplitter mirrors ( 6165 ) mounted...
6665123 Projector  
In a projector, the precision of color synthesis is improved and the generation of vertical stripes in the projected image is suppressed by a dichroic prism used for color synthesis that employs at...
6644813 Four prism color management system for projection systems  
A 4-prism color management device ( 600 ) comprised of first, second, third, and fourth prisms ( 610, 612, 614, 616 ). The first prism ( 610 ) is adjacent to the second prism ( 612 ) with an air...
6643062 Finder optical system and image pickup apparatus using the same  
A high-performance real-image finder optical system reduced in size, particularly in thickness, includes a positive objective optical system, an image-inverting optical system for erecting an...
6643077 Methods and apparatus for positioning optical prisms  
An optical assembly ( 11 ) is formed by individually positioning a plurality of prisms ( 15 ) using mechanical reference surfaces ( 19 ) which are associated with the prism's diagonal ( 13 ) and...
6636369 Device for maintaining alignment between a focal point of a laser beam and a slit aperture  
An optical wedge compensates for a vertically drifting laser beam in response to ambient temperature fluctuations. A slit sensor is formed onto a surface of the wedge to separate a single light...
6624956 Numerical aperture limiter  
The invention provides a numerical aperture limiter for an optical thermal imaging system, comprising at least one pair of wedge-like prisms made of a transparent material having a known index of...
6621533 Polarization separation element, a polarization conversion system, an optical element, and a projection display system  
The present invention provides a polarization separation element comprising a first array of prisms having a wedge-shaped cross-section, and a second array of prisms also having a wedge-shaped...
6621631 Microsystem module  
The invention concerns a microsystem module, in particular for use in microoptical systems, the module consisting of a body on the surface of which at least one functional area and support areas...
6603603 Real image viewfinder optical system  
The object of the present invention is to provide a real image viewfinder optical system with high optical performance and compactness, whose dimension of a whole optical system including an image...
6597417 Optical panel having black material between apexes of serrations on the inlet face  
An optical panel includes a transparent serrated first side, and an opposite second side, and a black material provided on the serrated first side for intermittently blocking or absorbing light...
6587285 Vehicle periphery visual confirmation apparatus  
In a vehicle periphery visual confirmation apparatus, between the vertical angle portion 5 of a prism 4 and the front end portion 28 of a case 3 A is interposed a light shield portion 3 a ...
6577447 Multi-lens array of a wavefront sensor for reducing optical interference and method thereof  
A wavefront sensor is provided to determine characteristics of an incoming distorted energy beam. The sensor includes a plurality of multi-lens array and a beam detector, such as a CCD camera. The...
6563648 Compact wide field of view imaging system  
The present invention provides an enhanced viewing eyepiece for a micro-display. In one embodiment, the invention is an optical imaging system that includes a prism having a first face directed...
6560034 Beam shaping optical system  
A beam shaping optical system which is provided with a first wedge prism having two refractive surfaces defining a first principal section, and a second wedge prism having two refractive surfaces...
6560013 Endoscope with variable direction of view  
An endoscope includes an optical train or image-to-video conversion device, defining a longitudinal axis, for receiving an image for transmission to a viewing device. A first prism having a...
6549338 Bandpass filter to reduce thermal impact of dichroic light shift  
A color splitting prism assembly ( 100 ) comprised of three prisms. Each a dichroic filter at an interface ( 112 ) between a first and second of the three prisms reflects a first primary color...
6545827 Optical sheet  
An optical sheet to be used for a back light unit of a liquid crystal display having at least a lamp and a light guiding plate has the following structure. The optical sheet is constituted by a...
6545814 Optical architectures for combining multiple lamps in light valve projectors  
An integrating rod ( 100 ) for combining light beams from two or more sources. A first light beam ( 104 ) enters the integrating rod 100 through a first entrance face ( 102 ) to a first...
6525889 Device and method for producing optically-controlled incremental time delays  
The present invention includes time delay devices and time delay systems. The invention also includes machines and instruments using those aspects of the invention. The invention may also be used...
6501598 Prism and optical device using the same  
A prism includes a prism base member having first and second faces intersecting with each other and including calcium fluoride, an antireflection film for oblique incidence formed on the first face...
6490106 Radiation amassment device derived through cyclical accretion of light  
There is disclosed an optical system for light beam amassment and concentration derived through intensification by cyclical accretion of light energy by passing a parallel light beam perpendicular...
6485150 Tunable spectral source  
A tunable spectral source includes an enclosure having first and second apertures; an optical dispersive element positioned in the enclosure; and multiple pixel source elements that are...
6480348 Arrangement for the contactless transmission of optical data  
The invention relates to an arrangement ( 1 ) for the contactless transmission of data between a rotating component and a stationary component by means of light signals which are transmitted by a...
6480347 Device for reproducible positioning of optical surfaces  
A plurality of magnets is provided in an illumination prism carrier of a transmitted light refractometer and a corresponding plurality of magnets is provided in a sample prism housing of the...
6476987 Excimer laser with line narrowing  
A line narrowing unit for use within an excimer or molecular fluorine laser resonator includes a dispersive prism having antireflection coatings on entrance and exit surfaces. Entrance and exit...
6473250 Beam deflector  
A beam deflector has first and second wedge prisms having refractive indices and geometries which are similar (in the case of the geometry to within arc minutes). The prisms are rotatable about an...
6473249 Prism optical system and image pickup apparatus using the same  
The present invention relates to a compact and high-performance prism optical system having, in order in which light rays pass from the object side, a first transmitting surface ( 4 ), a first...
6466383 Image pickup optical system  
A compact image pickup optical system satisfactorily corrected for chromatic aberration as well as decentration aberrations and capable of providing a clear image with minimal distortion even at a...
6441977 Optical apparatus with optical system having long optical path  
An appartus, such as a binocular telescope, with an optical system which includes a long optical path. The binocular telescope includes a first objective lens, a second objective lens, a first...
6437929 Piezo-actuator based optical add/drop module  
An apparatus for mechanical packaging of a piezo-actuator based add/drop module is disclosed. In one aspect of the invention, the combination of an assembly base and an optical add/drop module base...
6433943 Method for manufacturing roof mirrors  
A compact binoculars utilizing roof mirrors is disclosed. Compactness of the binoculars is achieved by maintaining the optical axis in the same plane as the axes of movement of the focusing...
6433933 Internal diffuser for a charge controlled mirror screen display  
A mobile electronic device is disclosed. The mobile electronic device includes a processor and a communications bus coupled to the processor. The mobile electronic device also includes a light...
6429982 Counter-rotating anamorphic prism assembly with variable spacing  
A counter-rotating anamorphic prism pair assembly with variable spacing allows the simultaneous adjustment of a prism pair using an adjustment member to circularize in cross section a range of...
6424474 Optical rear view system  
A low profile rearview mirror for a motor vehicle having a first refractor with a first refractive index and a first chromatic dispersive poser. The first refractor is disposed in a housing on the...
6416237 Microsystem module  
The invention concerns a microsystem module, in particular for use in microoptical systems, the module consisting of a body on the surface of which at least one functional area and support areas...
Matches 101 - 150 out of 394 < 1 2 3 4 5 6 7 8 >