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Patent # Description
US-5,568,304 Optical receiver for modulated light
An optical receiver for modulated light includes an optical antenna (12) having fluorescent material (18) dispersed therein, and an optoelectrical demodulator...
US-5,568,303 Unit for generating signal pulses, transmitter comprising such a unit, and multiplex transmission system...
A unit for generating signal pulses. comprises a first, pulsed laser for supplying a pulse series having a pulse period T and a wavelength .lambda..sub.1, and a...
US-5,568,302 Method of transmitting data via an optical data link
An optical data transmission system includes an optical data receiver having a plurality of optical detectors and an optical switch which directs successive...
US-5,568,301 Optical communication system with secure key transfer
An optical communication system includes a first and a second optical communication assembly that are coupled together via an optical coupling medium. Each...
US-5,568,300 Fiber interface shelf for interfacing ATM switch module and subscriber line or toll switch
A fiber interface shelf is connected to a plurality of subscriber lines on one side and to an ATM switch module on the other side for interfacing between the...
US-5,568,299 Ferroelectric liquid crystal with pitch 1-2 times layer thickness and graduation by bistable/monostable ratio
A ferroelectric liquid crystal display element equipped with a ferroelectric liquid crystal layer exhibiting a bookshelf layer structure and having a helical...
US-5,568,298 Ferroelectric liquid crystal blue color shutter with color correction filter
An electro-optical device is disclosed. The device comprises a first substrate provided with an electrode and a lead thereon, a second substrate provided with an...
US-5,568,297 Method of making a liquid crystal display device by measuring the liquid crystal layer thickness and adjusting
A liquid crystal display device including a first substrate, a second substrate, and a sealing member for bonding the first and the second substrates, wherein a...
US-5,568,296 Rubbing apparatus with an even number of rubbing rollers with pile yarn on half inclining in the opposite...
A rubbing apparatus is provided with an even number of, e.g., two, rubbing rollers. The two rollers are provided with rubbing clothes wound thereabout and each...
US-5,568,295 Chiral smetic LCD with small pretilt angle, substrate rubbed in two opposing directions, and no cholesteric...
A liquid crystal device is constituted by a pair of substrates, and a chiral smectic liquid crystal assuming at least two stable states disposed between the two...
US-5,568,294 Liquid crystal display device having a polymer functioning as an orientation layer and a retarder
A liquid crystal display comprises a pair of substrates, transparent electrodes respectively formed thereon and a liquid crystal material layer inserted between...
US-5,568,293 Liquid crystal display having trapezoidal color filters formed from a low-temperature curing polyamino resin...
Surface Stability Ferroelectric Liquid Crystal Device having color filters assembled avoids, generation of alignment defect ocurring in the initial alignment...
US-5,568,292 Position-sensitive liquid crystal display and process for producing the same
A position-sensitive liquid crystal display applicable to a thin input-output pad utilized for a pen-based computer is disclosed, which employs the liquid...
US-5,568,291 Electrode substrate with light shielding film having upper surface coplanar with upper surface of laminate...
A process for producing an electrode substrate for use in a liquid crystal device in which a laminate film comprised of a transparent conductive film and a metal...
US-5,568,290 Elliptically polarizing plate comprising discotic liquid crystal and in which...
Disclosed is an elliptically polarizing plate comprising a polarizing film and an optical compensatory sheet provided, in which the compensatory sheet has an...
US-5,568,289 Liquid crystal display device
An LCD device includes a first substrate including a plurality of pixel electrodes arranged in a matrix, a plurality of signal wires formed of metal for...
US-5,568,288 Method for forming thin film transistors with anodic oxide on sides of gate line
An electro-optic device featuring an semiconductor device formed by providing an insulator over a gate electrode, and anodic oxidizing only the sides of the gate...
US-5,568,287 Liquid crystal device with optical means of high refractive index at pixels and low refractive index between pixels
A liquid crystal device comprises: a) a liquid crystal cell including a plurality of pixels aligned on a plurality of lines and rows, each of the pixels composed...
US-5,568,286 Fast liquid crystal switching unit
A fast-speed optical switching unit includes a polarization rotation unit having plurality of liquid crystal cells disposed on a common substrate and optically...
US-5,568,285 Image processing system including plural color processing sections
A color image processing system processes image data by a plurality of processing sections 105-1, 105-2, 109-1 to 109-4, and 110 for sequentially processing...
US-5,568,284 Image recording apparatus
An image recording apparatus with good color reproduction and easy color adjusting function. An image recording apparatus includes a first color correction unit...
US-5,568,283 Optical modulation device and display apparatus with three birefringent films each acting as a half waveplate
An optical modulation device is constituted by a polarizer; a first film forming a first state and a second state depending on an electric field applied thereto,...
US-5,568,282 Rotary drum scanner
A compact rotary drum colour separation scanner includes a drum which is rotatably mounted about an upwardly extending axis which is preferably slightly inclined...
US-5,568,281 Automatic document presence, skew and width detection method and apparatus for a document scanner
A document scanner method and apparatus is provided which allows for the detection of the presence and size of a document to be scanned. The scanner is also able...
US-5,568,280 Facsimile access controller for calculating a communication charge
A method and apparatus for logging or identifying each page of a facsimile transmission or reception by a facsimile machine with a facsimile access controller is...
US-5,568,279 Remote interactive projector
The projector of the present invention provides a means for interactively displaying and annotating a document image at two separate locations. The projector...
US-5,568,278 Image data coding and decoding method and apparatus with a plurality of DCT's, quantizers, and VLC's
An image data coding device includes a plurality of orthogonal transform circuits for subjecting a plurality of image data items divided into blocks to the...
US-5,568,277 Facsimile apparatus with improved control board arrangement
The facsimile apparatus includes a casing with a handset arranged on a side thereof. Within the casing are disposed a network control section adjacent the...
US-5,568,276 Image signal recording and reproducing system
In an image signal recording and reproducing system, a phase reference signal, the phase of which is synchronized with the phase of an image signal, is added to...
US-5,568,275 Method for visually and audibly representing computer instructions for editing
The invention is a method for visually and audibly representing computer instructions for editing video which provides audio and/or visual information with such...
US-5,568,274 Apparatus and method for processing a variable-rate coded signal for erecording to provide a high-speed search...
An apparatus and method for preparing a variable-rate coded signal, generated by compressing a digital input signal using a variable compression ratio and...
US-5,568,273 Image reading apparatus with image magnification and scanning speed changed to correct for focus adjustment
An image reading apparatus comprises a light source for illuminating an image of a document sheet, an image pickup element for photo-electrically converting a...
US-5,568,272 Schedule display system for video recorder programming
A system for programming the automatic operation of a video recorder over an extended time period uses an associated television receiver as a display device for...
US-5,568,271 Image information recording apparatus for recording a plurality of image information onto a plurality of...
An endoscope image recording apparatus comprises a video endoscope having, at a forward end of an inserting section, an image pickup element, for ...
US-5,568,270 Image reading apparatus which varies reading time according to image density
An image reader that reads the image on transmission-type originals such as negative reversal films for use on digital photoprinters, for example, and which has...
US-5,568,269 Method and apparatus for scanning and printing documents with text and images
A method and apparatus for reproducing both pictorial image information and text information on a sheet or surface used in the production of a printed page. The...
US-5,568,268 Image forming device with forgery prevention
An image forming device, such as a color copying machine or a color printer, which processes an input image signal, thereby obtains an output image signal, and...
US-5,568,267 Simple transmittance-measuring instrument
A simple instrument for measuring the transmittance of a film impregnated with a pyridylazo-2-naphthol or dimethylphenylazo-2-naphthol dye having a continuous...
US-5,568,266 Colorimeter and colorimetrical control device
A colorimeter is provided in which a measuring pipe diverts a sample of a substance off of a production line into a measuring chamber. A series of cut-off valves...
US-5,568,265 Pipe fitting alignment systems
Alignment system and method for use by pipefitters. A portable hand tool having the appearances of a flashlight and the capability of projecting a collimated,...
US-5,568,264 Exterior view inspecting apparatus for circuit board
The exterior view inspecting apparatus for circuit board of the invention including a sensor unit for emitting a laser beam to an object to be inspected, and...
US-5,568,263 Non-contact inspection system
An improved non-contact inspection system capable of evaluating spatial form parameters of a workpiece to provide 100% inspection of parts in production. The...
US-5,568,262 Non-destructive fill volume measurement system
Fill volume of a liquid in a sealed, transparent container is determined by rotating the container about a transverse axis so as to confine the air to a...
US-5,568,261 Three-dimensional image measuring device
A three-dimensional image measuring device which comprises a light source; a plane image forming unit for forming a plane image in a space in its depth direction...
US-5,568,260 Precision non-contact measurement system for curved workpieces
A precision non-contact measurement system for determining the diameter of a curved workpiece includes a non-contact range sensor that is disposed along an...
US-5,568,259 Elongation measuring method and laser noncontact extensometer
The present invention is arranged such that: laser light is irradiated onto the surface of a specimen over a predetermined length thereof in the direction of...
US-5,568,258 Method and device for measuring distortion of a transmitting beam or a surface shape of a three-dimensional object
A method of measuring a distortion of a transmitting beam, characterized in that a transmitting beam is emitted from a beam generator and projected onto a screen...
US-5,568,257 Adjusting device for an alignment apparatus
The structure of an alignment apparatus is as follows: The illuminating areas of the two laser beams for the use of alignment, which are irradiated onto a...
US-5,568,256 Method and apparatus utilizing an optical stage for topographic surface analysis
A method and apparatus for topographic surface analysis including at least ne light source for radiating light, a first light-distributing surface of a first...
US-5,568,255 Apparatus for controlling the scan width of a scanning laser beam
Swept-wavelength lasers are often used in absorption spectroscopy applications. In experiments where high accuracy is required, it is desirable to continuously...
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