Matches 151 - 200 out of 385 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5818641 Image display apparatus  
An image display apparatus which enables observation of a clear image at a wide field angle and which is extremely small in size and light in weight. The apparatus includes an image display device...
5808759 Projection type display including a holographic diffuser  
A light source device including a light emitting element emits a luminous flux, which is converged by a reflecting mirror. A conical light-refracting element receives the luminous flux converged by...
5805340 Optical modulator and system having tunable image enhancement  
An optical modulator (19) utilizes a variable beam splitter arrangement having two separate plano-periodic cylindrical lens arrays (20 and 22) arranged as a sandwiched air-spaced assembly with the...
5801882 Real image mode finder optical system  
A real image mode finder optical system, situated separate from a photographing optical system, includes an objective system for forming an object image; an optical path splitting member for...
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...
5771328 Light directing film having variable height structured surface and light directing article constructed therefrom  
A light directing film including a first surface and a second structured surface. The structured surface includes a repeating pattern of prism zones including at least a first zone having a...
5768036 Beam receiving position adjusting device  
A device including a polarizing beam splitter by which an incident luminous flux is split into a first luminous flux radiated onto a first photo sensor and a second luminous flux radiated onto a...
5754339 Vibration compensation device for binocular  
A wedge prism unit is positioned on the optical axes of the objective optical systems of two telescope systems of a binocular. The wedge prism unit includes a front wedge prism element and a rear...
5731900 Optical reflector  
An optical reflector is formed by an array of reflecting surfaces arranged one behind another in spaced, generally parallel, relation along a main axis of the array. The reflector has entry and...
5716681 Scratch resistant optical films and methods for producing same  
A film that exhibits increased scratch resistant characteristics. The film is formed from a layer of crosslinkable oligomeric resin composition on a base. The film is made by: forming the layer of...
5701203 Astigmatism correcting element  
In an image-forming optical system in which an astigmatism may occur, an astigmatism correcting element disposed between an image-forming lens (20) and an image-forming surface (12) in order to...
5696636 Prism to provide visibility of a signal light in two directions  
An insert is installed at a corner and two adjacent edges of an enclosure for electronic equipment so that a signal light, such as an LED, may be observed from two sides of the enclosure. The...
5661737 Multi-wavelength laser beam detector with refractive element  
A detector system for providing a plurality of output beams for monitoring the output beam of a laser system. The detector system includes a refractive element having a pair of opposing...
5646791 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....
5636069 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...
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...
5617245 Rear view mirror unit  
A rear view mirror unit of the type in which light from a region behind an observer is directed to the observer's eye by an optical system including a reflecting component and a refracting...
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...
5594593 Rear view system for a vehicle  
An optical rear view system for a vehicle, having a reflector mounted to receive light from objects to the rear of the vehicle and to reflect it towards an observer, is provided with at least one...
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...
5579177 Optical dispersion apparatus and method  
A planar parallel plate direct vision prism including two glasses for dispersing light as a function of color is disclosed. Also disclosed is an optical system which includes a first optical...
5561559 Display for a motor vehicle  
A display device for motor vehicles in which an image on the display is reflected by a reflecting member on the windshield to allow the virtual image to be viewed by the driver. The display device...
5552922 Optical system for projection display  
Disclosed is a projection system wherein light provided from a source passes through a prism and is then incident on an array of reflecting elements which are individually adjustable between a...
5548444 Optical beam homogenizing apparatus and method  
An optical beam homogenizer includes an entrance pupil through which a non-uniform optical beam propagates. A first optical component having plural flat surfaces receives the input beam. The flat...
5526195 Rear-view system for vehicles  
A rear view system for a vehicle (10) includes in combination a light transmitting member (2) and a light reflective medium (16) spatially displaced from the member. The member has a first face (4)...
5519797 Arrangement of a lighting source with an optical fiber and a steerable light beam  
A lighting source arrangement comprising a light conducting cable formed of an optical fibre consisting of a plurality of elementary fibres, a device for holding and fastening the optical fibre...
5488599 Optical pick-up device with a multifunctional prism  
The present invention provides an optical pickup device which enables cost reduction and has improved optical characteristics. In the optical pickup device according to the present invention, as a...
5486948 Stereo image forming apparatus having a light deflection member in each optical path  
A stereo image forming apparatus for observing a stereo image based on two images obtained by two image taking systems. In front of each image taking system, such as a television camera, two...
5485319 Medical device for lighting a treatment field  
A device for lighting a medical treatment field is disclosed and includes an optical member for focusing a plurality of light rays. The device also includes a prism assembly formed of a plurality...
5471348 Directed reflection optical device  
An optical device having a transparent body and including two prism surfaces formed thereon. The composite structure exhibits two axis stability in that the angular relationship between the input...
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...
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...
5434841 Plural-beam optical head  
A plural beam optical head is constituted by an optical system for imaging a plurality of light beams onto an optical information recording medium, a double-refractive crystal prism and a sensor....
5416638 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...
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...
5353736 Instrument for vehicle  
This invention relates to an instrument for a vehicle in which a front cover is attached to a front face of an instrument case for protecting inside of the instrument. An instrument for a vehicle...
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...
5341246 Apparatus for adjusting an optical axis including plates on opposite sides of 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...
5337181 Optical spatial filter  
An optical filter 10 for filtering spatial frequencies from an output of an optical imaging system comprises a substantially transparent, or reflective, optical element 12 having a plurality of...
5323259 Light deflecting device  
A light deflecting device for use in a light scanner, comprises a deflector (4) and a dove prism (13) mounted together on a rotatable support (16). The support (16) rotates about a nominal axis (2)...
5321548 Real image mode variable magnification finder optical system  
A real image mode variable magnification finder optical system comprising an objective lens system including a rotatable prism, an image erecting optical system for erecting an image formed by the...
5317450 Projection exposure apparatus  
A projection exposure apparatus that provides uniform illumination with at least partially incoherent light that could produce interference fringes. The projection exposure apparatus includes a...
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...
5305747 Optical elements for applanation tonometers  
An applanating member is provided for use in an applanation tonometer and comprises an optical element replaceably held in a tubular carrier. The element is formed as a replaceable plastics...
5289316 Measuring objective  
The invention is directed to a measuring objective having a large free operating space and having very small imaging errors with respect to coma, astigmatism and distortion. The main rays are, at...
5280386 Windsheild deflector sheild with lens and/or rearview mirrors  
The invention relates to a windshield deflector shield for deflecting insects and debris above the hood and windshield of a vehicle and for increasing the driver's field of vision. The deflector...
5280385 Container including a viewing aid  
An arrangement for enabling a person to view/observe alphanumeric/pictorial information provided upon a surface of an information storage cassette while being located within an associated case,...
5274489 Thermal imager systems  
A thermal imager system comprises a scanning system 1 for scanning a required scene 2 and an anamorphic optical system 3 for focusing the scanned scene onto a Sprite detector 4, the optical...
5260830 Three color separation/synthesis mirror device  
A three color separation/synthesis mirror device for a liquid crystal projector comprises four dichroic mirrors whose joint part has a V-shaped notch in which a higher refractive index is filled...
5245469 Real image type finder optical system  
A real image type finder optical system comprising, in order from the object side, an objective lens, a reticle, a condenser lens and an eyepiece lens. The reticle has a surface of incidence which...
Matches 151 - 200 out of 385 < 1 2 3 4 5 6 7 8 >