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5862001 |
Non-deviating prism with continuously variable dispersion
A non-deviating prism system (40) and method provides continuously variable dispersion of light with limited deviation. Light is dispersed in a prism arrangement which includes a selected liquid...
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5847887 |
Optical apparatus
There is provided an optical apparatus which has excellent assembly performance, can suppress an increase in cost, and attain a decrease in thickness. The optical apparatus includes a board (1)...
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5844720 |
Prism sheet
A prism sheet having a plurality of substantially triangular prism-shaped lens units with their longitudinal axes almost parallel to each other arranged on one side and having the other side...
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5844719 |
Light deflection apparatus
A light deflection apparatus includes an optical device for deflecting light, and a spherical guide for guiding the light deflected by the optical device.
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5837082 |
Method of manufacturing prisms, particularly microprisms and beam-splitting prisms
The invention relates to a method of manufacturing prisms, particularly microprisms and beam-splitting prisms, including the following steps: a) producing rectangular plates (1), b) fixing a larger...
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5825545 |
Image stabilizing device
The present invention relates to an optical instrument such as an optical axis deflecting device or an image stabilizing device having an optical member supported for rotation about a predetermined...
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5825534 |
Stereoendoscope having a folded sight line
The invention relates to a stereoendoscope having a sight line folded relative to the tube axis. The endoscope includes a distal front optic having a deflecting prism 4b. The deflecting prism 4b is...
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5798877 |
Optical system for improving the symmetry of the beam emitted from a broad area laser diode
An optical system is disclosed for improving the brightness symmetry of a beam emitted from a laser diode where the beam has a large width and a narrow height. The optical system includes a tilt...
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5781339 |
Optical device for deflecting light
The prevent invention relates to an optical device capable of varying the angle formed by a pair of optical elements. The optical device comprises a pair of support members having portions for...
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5777785 |
Binoculars
Binoculars provided with first and second objective lens barrels respectively having objective lenses at an end, first and second eyepiece lens barrels respectively having eyepiece lenses and...
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5745632 |
Totally internally reflecting light conduit
A hollow, cylindrical light conduit for transporting light generally longitudinally therethrough and distributing light therealong includes a cylindrical wall member of a transparent material. The...
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5737346 |
Mount for optical components
An optical mount secures an optical component so that its freedom of movement is restricted in all directions. The mount uses a spring retainer assembly to urge the optical component against...
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5701198 |
Confocal incident light microscope
The invention is directed to a confocal incident light microscope for viewing an object. The microscope includes: an illuminating device for transmitting an illuminating beam along an illuminating...
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5701210 |
Achromatic optical system for beam transformation and optical disk apparatus using the same
An achromatic optical system for beam transformation is used for example with the optical head of an optical disk apparatus. This optical system is arranged in an optical path which is traversed by...
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5694257 |
Rotary beamsplitter prism mount
Rotary beamsplitter prism mount providing individually adjustable rotation about three axes where adjustment about one axis does not significantly affect the remaining axis with respect to beam...
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5668674 |
Reflecting prism and a finder system having a reflecting prism
A double Porro prism having an incident surface, an exit surface, and a plurality of reflecting surfaces for internally reflecting light rays from the incident surface to the exit surface. The...
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5661597 |
Image deflection apparatus
An image stabilizer has, in succession from the object side, an objective lens group having at least positive refractive power, variable angle prism having its vertical angle variable, and optical...
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5652681 |
Grism (grating-prism combination)
A dispersive optical element called a "grism" (50) which has characteristics of both a prism (56) and a grating (62). The grism (50) consists of a prism (56) with a grating (62) disposed adjacent...
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5643176 |
Endoscopic instrument with variable viewing angle
Endoscopic instrument having an elongated image guide adapted to be inserted through an opening in the human body. A prism is provided at one end of the image guide for directing images from a...
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5625499 |
Achromatic and apochromatic prism element employing prisms and gratings
An apochromatic grism (42) includes a first prism (48) with a second prism (50) disposed adjacent to it. A grating (44) is adjacent to the front surface of the first prism (48) and the Abbe number...
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5608580 |
Rotary-prism refracting device for optical equipment, such as a light projector
A device presenting a disk supporting two prisms and rotating about an axis offset in relation to the path of an incident beam. One of the two prisms is in the shape of part of a circle, and...
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5602677 |
Dispersive optical delay line and use thereof for the compression/expansion of laser pulses
A dispersive, optical delay line for frequency modulated light wave pulses, especially laser waves, comprises a first optical grating and a second optical grating that are parallel to each other,...
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5596456 |
Achromatic anamorphic prism pair
An achromatic anamorphic prism pair for the conversion of the elliptical output beam of a tunable diode laser to a circular beam. The achromatic design prevents a directional shift in the output...
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5589239 |
Variable-angle optical device with optically transparent substance
In an optical element, an optically transparent substance is sandwiched between transparent paired plate-shaped elements by utilizing a connection member capable of deforming, and the angle formed...
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5579163 |
Method and apparatus for producing spectral displays
A method and apparatus for projecting multiple patches of full spectrum, rainbow colors to multiple, widely distributed locations is provided. The invention enables the display of such patches on a...
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5570231 |
Image sensor holding apparatus
An image sensor holding apparatus which holds at least one image pickup device. The apparatus includes holding surfaces which hold the outer side surfaces of the image pickup device therebetween....
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5548443 |
Light separator for testing DMD performance
A light separator (20) for testing the tilt angles of mirror elements (21) of a digital micro-mirror device. The light separator (20) is comprised of two triangular prisms (23, 25). A bottom prism...
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5523889 |
Beam expanding lens
A new type of optical element for diverging a laser beam in several directions, for example to produce a relatively uniform cross, has a number of cylindrical segments. Each segment has at least...
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5481394 |
Variable-apex prism controller
A variable-apex prism controller which controls a variable-apex prism composed of two transparent optical members and an optically transparent substance sealed in the space defined between the two...
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5477386 |
Optical system for optical disc apparatus including anamorphic prisms
An optical system of an optical disc apparatus is disclosed for converging and projecting a bundle of rays emitted from a light source onto an optical disc. The optical system includes a...
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5469301 |
Prism pod
A magnetic prism pod device for electronic distance measurement on pipe and flat surfaces is disclosed that has the capability of self-attaching to pipe and steel surfaces. The prism pod device has...
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5461513 |
Image stabilizing apparatus
An image stabilizing apparatus is disclosed comprising an imaging optical system for forming an image of a subject onto an imaging surface. A deflector has first and second liquid prisms disposed...
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5452119 |
Scanning optical system
The laser beam emitted by a laser light source is first brought to an image in an auxiliary scanning plane, and reflected by a slit mirror provided in a prism block. The arrangement is such that...
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5448649 |
Apparatus for imaging fingerprint or topographic relief pattern on the surface of an object
An apparatus for imaging a fingerprint or a topographic relief pattern (i.e., ridges) on the surface of an object comprising: (a) a transparent platen having a top layer of microprisms in a matrix...
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5379156 |
Optical viewing device
An optical novelty device comprising a pair of wedge prisms disposed in a container having a viewing port and a light-entry port whereby an image viewed through said device appears as a symmetrical...
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5375013 |
Optical low pass filter
An optical low pass filter including a phase grating for obtaining useful picture image characteristics by provision of preferable low pass effects for each of wave form zones about the spatial...
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5369526 |
Antibow device for lasers
A device for use in a system of hologon deflection of a laser beam having a wavelength λ at a rotating angle θ R to produce a scan line. The device comprises a prism having a grating on at least...
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5359207 |
Wedge scanner utilizing two dimensional sensing arrays
The present invention is a novel book scanner that employs 2-dimensional array detectors attached, either rigidly or rotatably, at a common edge and disposed in a wedge shaped manner. The opposite...
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5343332 |
Apparatus for adjusting optical axis including a beam shaping prism
An optical axis adjusting apparatus is provided and includes a laser beam source, a beam shaping prism for shaping a laser beam of elliptical flux emitted from the laser beam source into a laser...
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5309288 |
Prismatic device for use with process refractometers
A prism providing an optical window for a process refractometer. The prism is manufactured from a material that has predetermined optical properties and a refractory index higher than the...
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5300669 |
Methylphenethyl functional silicones
An optical matching oil that is immune to timewise variations in its refractive index, that undergoes little increase in viscosity below room temperature, and that also resists crystallization...
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5253086 |
Holographic device for combining laser beams
A holographic recording of the interference between an object laser beam and a reference laser beam is used to combine the amplitudes of multiple input laser beams which are conjugates of the...
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5219218 |
Stop light for vehicle
A stop light for a vehicle mounted within the vehicle for flashing in synchronism with a brake comprises a light source arranged within the vehicle. A prism is so arranged as to feed a display...
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5206746 |
Transparent-scattering type optical device including a prism with a triangular longitudinal cross section
A transparent-scattering type optical device which includes a transparent-scattering type optical element having a layer of transparent-scattering mode optical material whose light scattering...
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5198936 |
Reflective cluster display
A display apparatus includes an image source displaying information and a magnifying mirror element reflecting the displayed information and projecting one or more images thereof viewable by the...
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5159188 |
Optical reception apparatus using prism having caldera-shaped concave portion
An optical reception apparatus comprises of a prism made by forming in a member of substantially the frustum of a circular cone made of a transparent material a concave portion of a substantially...
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5138487 |
Door viewer
A door viewer includes two prisms of rectangular isosceles triangle shape in cross section whose hypotenuse surface abut horizontally, a front convex lens and a plano-convex eyepiece lens. The...
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5135791 |
Optical device
An optical device comprising a mixture of a polymer constituted mainly of aromatic vinyl monomer units and polyphenylene ether, characterized in that the average molecular weight of the...
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5132847 |
Headlight glass for a motor vehicle, a method of making a mold die for manufacturing such a glass, and method of manufacturing the glass
The invention relates to a motor vehicle headlight glass suitable for being mounted in a position where it slopes relative to a vertical plane, and being of the type that comprises a plurality of...
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5132384 |
Optical material of low specific gravity and excellent impact resistance, optical molding product using the optical material and manufacturing method thereof
The present invention discloses an optical material having excellent transparency, impact resistance and heat resistance and having a low specific gravity and a high refractive index comprising a...
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