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| Patent # | Description |
|---|---|
| US-5,781,353 |
Exterior rearview mirror An external mirror for a motor vehicle which includes a mirror base which can be fixed to the body of the vehicle, a mirror housing which is swingable with... |
| US-5,781,352 |
Objective lens supporting device An objective lens supporting device having its tracking sensitivity in the focusing direction improved by separating the center of gravity of the moving portion... |
| US-5,781,351 |
Mounting structure of objective lens for optical pick-up used for
optical disk device An optical pick-up for use in optical disk devices comprises an objective lens having an outer ring formed therearound and a lens holder for positioning and... |
| US-5,781,350 |
Objective lens for endoscope An objective lens for an endoscope including a first lens group including one negative lens, a second lens group having a positive power, a third lens group... |
| US-5,781,349 |
Zoom lens A zoom lens is disclosed, comprising, in order from a screen, a first lens unit of negative refractive power including a first front lens sub-unit having at... |
| US-5,781,348 |
Zoom lens system A compact zoom lens system that moves during zooming from a maximum wide-angle state to a maximum telephoto state also can shift an image to compensate for... |
| US-5,781,347 |
Optical device An optical device including a lens located between a first port and a second port, and a photodetector having a photodetecting surface located in the vicinity of... |
| US-5,781,346 |
Magnification correction for small field scanning Magnification correction for small field scanning of large blanks is provided by adding magnification adjusting elements (lenses) to a double pass Wynne-Dyson... |
| US-5,781,345 |
Graded dielectric combiner and associated fabrication method The graded dielectric combiner, such as for a dual heads up display (HUD) combiner, is fabricated by depositing a predetermined number of dielectric layers upon... |
| US-5,781,344 |
Light transmitting and dispersing filter having low reflectance Multi-layer light filters provide optimized gain control, contrast, and ambient light rejection through the addition of optical layers to a basic refraction... |
| US-5,781,343 |
Adjustable window tinting system An adjustable window tinting system for producing varying degrees of tint in a window to thereby limit the amount of light and heat pass through a window. The... |
| US-5,781,342 |
High light diffusive and low light absorbent material and method for
making and using same The present invention is an improved material and method for use for providing diffuse transflectance of light. By employing an expanded polytetrafluoroethylene... |
| US-5,781,341 |
Motorized tunable filter and motorized variable attenuator A tunable filter includes a filter whose characteristic wavelength band changes with the angle of incidence of the incoming light beam with respect to its normal... |
| US-5,781,340 |
Gauss lens with image stabilizing function A Gauss lens having image stabilizing function with sufficient brightness, back focal length and excellent imaging quality is provided. The present invention... |
| US-5,781,339 |
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... |
| US-5,781,338 |
Microscope stage A stage for microscopes has a transparent ceramic glass plate on the working region on its object side and a brightly colored, light-scattering layer between the... |
| US-5,781,337 |
Object holder for thin slides An object holder (7) for thin slides (4) is described, in which the object holder (7) has a baseplate (8) as well as a lower lying supporting surface (9) as a... |
| US-5,781,336 |
Method and system for multi-spectral imaging in the visible and infrared
spectrums Multi-spectral images are detected using a refractive objective lens system. Magnesium oxide (MgO) and calcium fluoride (CaF.sub.2) lenses are used to image... |
| US-5,781,335 |
Circuit arrangement for optical frequency conversion In a circuit arrangement for optical frequency conversion, having a switchable input filter arrangement with a wavelength channel filter of a wavelength... |
| US-5,781,334 |
Stabilized multi-frequency light source and method of generating
synthetic light wavelengths The invention concerns the generation of synthetic light wavelengths in which light from a first light source (D.sub.1) is coupled into a common light path... |
| US-5,781,333 |
Piezoelectric light shutter A piezoelectric actuatable array of light shutters is disclosed wherein each pixel aperture in the array is selectively opened and closed by way of an opaque... |
| US-5,781,332 |
Variable wavelength optical filter In a variable wavelength optical filter, a lens (3) is positioned at the output end of a first optical fiber (1) and transforms an input optical signal to... |
| US-5,781,331 |
Optical microshutter array An optical shutter apparatus includes a source of illumination and a first aperture plate positioned in a path of light from the source of illumination. A... |
| US-5,781,330 |
High efficiency optical switching and display devices Applicants have discovered a new type of optical switching and display device using an active layer comprising electrochromic protein. In essence, the device... |
| US-5,781,329 |
Electrochromic display device for optical pick up apparatus An electrochromic display device (ECD) for an optical pick-up apparatus which is capable of maximizing a transmissivity of a laser beam by forming a reflection... |
| US-5,781,328 |
Electro-optical modulator The use in an electro-optical modulator of an electro-optical crystal in the form of a solid-solution compound of formula (NH.sub.4).sub.x Rb.sub.1 -.sub.x... |
| US-5,781,327 |
Optically efficient high dynamic range electro-optic modulator An electro-optic modulator and a method for its use, in which an optical carrier is effectively suppressed for transmission of a radio-frequency (rf) modulating... |
| US-5,781,326 |
Apparatus for shaping binary optical signals, and use thereof to modify
said signals To shape binary optical signals, the apparatus comprises a first stage for providing a modulating signal whose high levels are stabilized so as to depend little... |
| US-5,781,325 |
Optical scanning apparatus An optical scanning apparatus includes: a rotational polygonal mirror on the the side of which a plurality of reflecting surfaces are provided, the reflecting... |
| US-5,781,324 |
Optical scanning lens and optical scanner An optical scanning lens is provided with a lens configuration for focusing and correction of field curvature and scanning speed of a deflected laser beam. The... |
| US-5,781,323 |
Optical scanner An optical scanner for use in laser beam printers and the like which is particularly satisfactory in imaging characteristics. A light beam from a semiconductor... |
| US-5,781,322 |
Method and apparatus for measuring the noise figure of an optical
amplifier An optical pulse signal produced by modulating a continuous laser light by means of a first pulse having a period sufficiently shorter than the atomic lifetime... |
| US-5,781,321 |
Portable electronic apparatus having a plurality of infrared ports A portable electronic apparatus is provided with a plurality of infrared element connectors on the housing surfaces thereof. A detachable infrared ... |
| US-5,781,320 |
Fiber access architecture for use in telecommunications networks A fiber optic access architecture consisting of a remote terminal for receiving broadband asynchronous transfer mode (ATM) traffic from a broadband switching... |
| US-5,781,318 |
Circuit and method of testing for silent faults in a bi-directional
optical communication system In optical communications systems crosstalk can result in what is termed silent failure. In silent failure, a faulty transmitter appears to function correctly... |
| US-5,781,317 |
Method of producing holographic optical element and device therefor A method of producing a holographic optical element which is capable of imparting complex corrections to the holographic optical element and of effecting the... |
| US-5,781,316 |
Semi-transparent reflective hologram and method of producing same A semi-transparent holographic transfer foil film for application to a substrate such as a security device. The film is comprised of a thermally stable carrier... |
| US-5,781,315 |
Image processing method for photographic printer In a photographic printer in which red, green and blue light beams are modulated respectively according to red, green and blue image signals each made up of... |
| US-5,781,314 |
Color image reading apparatus and method A color image reading apparatus improves the reproducibility of colors at the black level end of the brightness scale of each of component color images of an... |
| US-5,781,313 |
Flat bed scanner An ordinary facsimile by itself cannot scan a thick material such as books and catalogs. In order to scan the entire book, for example, each page of the book... |
| US-5,781,312 |
Image input method and apparatus An image input apparatus capable of reliably reducing random noise and switching noise arising during a dummy pixel period using a simple circuit configuration... |
| US-5,781,311 |
Planar light source and image reading device An image reading device includes a planar light source having sufficiently even illumination to allow accurate shading correction to be performed regardless of... |
| US-5,781,310 |
Copying system having image inputting unit and image outputting unit
shared with other image processing systems A copying system is provided in which an image inputting unit and an image outputting unit are connected via a conventional data transmission path, and a copying... |
| US-5,781,308 |
High speed system for threshold matrix alignment and tiling, during
creation of a binary half-tone image A system converts a source image into destination image pixels that are binary. The system includes a memory which stores at least a portion of a row of source... |
| US-5,781,306 |
Measuring apparatus for gas analysis A spectrometric gas measurement apparatus for the determination of the presence and/or concentration of gases in a spatial region has a spectrometric measurement... |
| US-5,781,305 |
Fiber optic transmissometer A transmissometer for measuring a volume attenuation coefficient of a column of water, including a transmissometer housing; a light source, producing an optical... |
| US-5,781,304 |
Laser ultrasonics-based material analysis system and method Disclosed herein is an interferometric-based materials analysis system (10) that employs a novel combination of laser beam shaping and pointing techniques, the... |
| US-5,781,303 |
Method for determining the thickness of an optical sample The present invention relates to the field of quantitative microspectroscopy, and in particular to a method for determining the exact thickness of an optical... |
| US-5,781,302 |
Non-contact shape meter for flatness measurements A shape meter for measuring the deviation from flatness of a moving rolled steel plate is disclosed. The shape meter includes a laser source for generating an... |
| US-5,781,301 |
Thermally symmetric, crossover-free fiber optic sensor coils and method
for winding them A substantially cylindrical symmetrically wound coil for a fiber optic rotation sensor, having a flat cylindrical disc, with a central aperture, disposed in the... |
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