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| Patent # | Description |
|---|---|
| US-5,347,402 |
Multiple mirror assembly for solar collector A mirror assembly for use with a focusing or concentrating solar collector or the like has rows and columns of individual rectangular mirrors mounted by means of... |
| US-5,347,401 |
Reflecting telescope and its production process A reflecting telescope is described, in which the surface of the primary mirror is in the form of a pitch circular surface of a hypothetical, rotationally... |
| US-5,347,400 |
Optical system for virtual reality helmet The present invention provides an optical system for a virtual reality head mounted display with improved image quality, enlarged field of view, and enhanced... |
| US-5,347,399 |
Zoom lens system A zoom lens system is disclosed which is fairly compact and easy to handle despite the fact that it has a constant overall lens length and which allows the first... |
| US-5,347,398 |
Optical system for forming an image of a plane on a spherical surface An optical system is adapted to conjugate an object plane with an image spherical dome whose radius is less than its focal length and whose exit dioptric is a... |
| US-5,347,397 |
Diopter cell assembly for a binocular viewing system An optical device for reorienting an optical image from a first optical pathway to a second optical pathway and the method of manufacturing such an optical... |
| US-5,347,396 |
Photovideo camera A photovideo camera takes visual images formed on negative films and/or positive films to obtain video signals corresponding to the visual images. The camera... |
| US-5,347,395 |
Optical power limiting device An optical power limiting device whose transmissibility within a wave length range that is of interest is a function of the intensity of the incident radiation,... |
| US-5,347,394 |
Nonlinear optical materials, method of manufacturing the same, and
optical wavelength converter The invention provides a nonlinear optical material comprising a compound represented by the general formula (1): ##STR1## wherein R.sup.1 denotes an... |
| US-5,347,393 |
Electro-optical display device with sub-electrodes In a bistable switching display device the occurrence of artefacts due to considerable changes of periodicity between successive grey scale stages is reduced by... |
| US-5,347,392 |
Electric-optic resonant phase modulator An electro-optic resonant cavity is used to achieve phase modulation with lower driving voltages. Laser damage thresholds are inherently higher than with... |
| US-5,347,391 |
Ultra wide field of view scanning surveillance optical system A refractive inverse telephoto optical system (10) has a first lens doublet (12), a Pechan prism assembly (14) and a second lens doublet (16). The Pechan prism... |
| US-5,347,389 |
Push-pull optical receiver with cascode amplifiers An improved optical receiver for an optical signal amplitude modulated with broadband RF signals is described. The optical receiver includes an optical detector... |
| US-5,347,388 |
Push-pull optical receiver having gain control A receiver is described for optical signals which are amplitude modulated with broadband radio frequency signals. The receiver includes an optical detector which... |
| US-5,347,387 |
Self-aligning optical transceiver A compact self-aligning transceiver for high bandwidth cooperative duplex communications, laser image projections or surveillance applications comprises a base... |
| US-5,347,386 |
Control apparatus Solid state optoelectronic control apparatus responsive to manual stimulus is presented. The control apparatus comprises: a transmitter (20) having a light... |
| US-5,347,385 |
Frequency-multiplex optical transmission apparatus A frequency-multiplex optical transmission apparatus for carrying out frequency-multiplex optical transmission by supplying an analog-frequency-multiplexed RF... |
| US-5,347,384 |
Fiber optic distribution of image data A fiber optic data distribution system for distributing image data between a data storage system and a plurality of image workstations using embedded control... |
| US-5,347,383 |
High speed, low power driving circuit for liquid crystal shutter A driving circuit for a liquid crystal shutter or for other devices that reduces the power drain on the portable power supply and has the characteristic of fast... |
| US-5,347,382 |
Liquid crystal cell retarder with driving beyond retardance value and
two cells for high speed A fast response liquid crystal optical retarder system. A liquid crystal retarder system employs one or more liquid crystal cells and corresponding drive... |
| US-5,347,381 |
Ferroelectric liquid crystal display device with molecules between
hairpin and lightning defects following the... A ferroelectric liquid crystal display device comprising upper and lower substrates arranged opposite each other, each provided with electrodes on their... |
| US-5,347,380 |
Liquid crystal optical polarization separator with parrallel alignment
on one substrate, perpendicular on other A polarization separator including a nematic liquid crystal (3) trapped between two transparent slides (1 and 2). The slide faces in contact with the liquid... |
| US-5,347,379 |
Liquid crystal device with MIM insulator formed as a continuous
monomolecular film A liquid crystal device comprising a pair of substrates each having an electrode, and a liquid crystal layer having a chiral smectic phase, provided between the... |
| US-5,347,378 |
Fast switching color filters for frame-sequential video using
ferroelectric liquid crystal color-selective filters A frame-sequential color video system and color-selective filters for use in the same. The color-selective filters of the invention have fast response, and can... |
| US-5,347,377 |
Planar waveguide liquid crystal variable retarder A waveguide optical device having a guide member for propagation of light in a longitudinal direction. The guide member has upper and lower boundaries. A mass of... |
| US-5,347,376 |
Method and apparatus for producing a holographic shadowgram A method and apparatus for making a holographic shadowgram of an object are disclosed. The method and apparatus include a light source for generating and... |
| US-5,347,375 |
Computer-assisted holographic image formation technique which determines
interference pattern data used to form... A computer-generated hologram recording apparatus includes a diffraction image generator which receives an input image signal representing an object and computes... |
| US-5,347,374 |
Cascaded image processing using histogram prediction A method of improving processing of a color natural scene image defined by color density signals processed by multiple processing elements, wherein after an... |
| US-5,347,372 |
Image scanning and processing apparatus with error checking An image scanner for reading a document optically with a CCD image sensor or similar line image sensor, and electrically processing, e.g., amplifying and... |
| US-5,347,371 |
Video camera with extraction unit for extracting specific portion of
video signal A video camera for enabling improvement in automatic functions such as automatic white balancing and automatic focusing while controlling picture quality of a... |
| US-5,347,370 |
Shading correction method and apparatus Shading correction is effected by partitioning a white standard surface into a plurality of scanning blocks having the same number of scanning lines, scanning... |
| US-5,347,369 |
Printer calibration using a tone reproduction curve and requiring no
measuring equipment A method for calibrating a printer determines a tone reproduction curve for the printer. A plurality of bands of different accurate gray level standards and a... |
| US-5,347,368 |
Image recording apparatus having a small-capacity frame memory and an
image recording method A frame memory of an image recording apparatus includes a first frame memory for storing image data having a large number of pixels per unit area and a small... |
| US-5,347,367 |
Cathode-ray tube having implosion protection means with openings A cathode-ray tube comprises an evacuated envelope having a faceplate panel with a sidewall joined to a funnel. A shrinkfit implosion protection band surrounds... |
| US-5,347,366 |
Fixation structure of deflection yoke and focus magnet for projection
cathode ray tube A structure for fixing a deflection yoke and a focus magnet on the periphery of a projection cathode ray tube. A fixing part of the focus magnet and a fixing... |
| US-5,347,365 |
Device for receiving closed captioned broadcasts A synchronizing/separator circuit separates a horizontal synchronizing signal and a vertical synchronizing signal contained within a television signal. A phase... |
| US-5,347,364 |
Total reflection measuring apparatus A total reflection measuring apparatus having a cassegrain mirror which has cassegrain primary mirror and cassegrain secondary mirror focuses the light which is... |
| US-5,347,363 |
External lead shape measurement apparatus for measuring lead shape of
semiconductor package by using... A lead shape measurement apparatus includes a first perspective imaging device for photographing external leads to be measured, from an oblique direction; a... |
| US-5,347,362 |
Bonding wire inspection method A method of inspecting wires bonded between the pads of a semiconductor chip and the leads of a lead frame taking the steps of: bringing the focus of an optical... |
| US-5,347,361 |
Rotation sensor output signal processor Angular motion sensor signals from an inertial integrating rate sensor are provided to a translation device that provides a translated output signal that is... |
| US-5,347,360 |
Ring laser gyro A ring laser gyro uses means for shaping the gas flow, which inevitably develops as a result of a DC discharge, to optimize the effect of the Fresnel-Fizeau drag... |
| US-5,347,359 |
Apparatus and method for correcting ring laser gyroscope phase angle
errors induced by lock-in Phase errors that occur when a dithered ring laser gyroscope enters its deadband are measured, and a correction is applied to the output of the ring laser... |
| US-5,347,358 |
Refractometer The invention relates to a transmitted-light refractometer wherein a slit diaphragm is imaged on a diode array through a cuvette holding the sample. The cuvette... |
| US-5,347,357 |
High-voltage crystal ramp generator and integrator for FM laser radar A power beam tube is biased to supply a constant current to an EO crystal used as part of a frequency modulation circuit for FM laser radar. Integration of the... |
| US-5,347,356 |
Substrate aligning device using interference light generated by two
beams irradiating diffraction grating An aligning device for aligning a substrate with a predetermined point on the basis of a detection signal from a photoelectric detector uses interference light... |
| US-5,347,355 |
Signal processing apparatus and method, and displacement detecting
apparatus using the same In a signal processing apparatus and method, original two-phase signals each having the possibility of amplitude fluctuation are received by an input portion.... |
| US-5,347,354 |
Sagnac-type optical fiber gyroscope having depolarizers of differing
lengths A sagnac-type fiber optic gyroscope in which depolarizers are connected to both ends of the fiber coil and are then connected with the outputs of a 3.times.3... |
| US-5,347,353 |
Tandem high productivity color architecture using a photoconductive
intermediate belt Tandem, high productivity color images are formed by using a photoconductive belt as an imaging surface and as a transferring device. A multi-colored image is... |
| US-5,347,352 |
Copying apparatus with automatic document feeding device Copying apparatus capable of high speed document exchange and high speed copying. Sets an original at the exposure position and prefeeds at least two originals... |
| US-5,347,351 |
Image forming apparatus for copying one and two-sided documents An image forming apparatus has a plurality of mixed input thereto including one-sided and two-sided documents, and then copied on sheets which are successively... |
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