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Patent # Description
US-5,467,226 Optical apparatus having a lens for zooming movable to a zoom area and a macro area
An optical apparatus has a lens for zooming movable to a zoom area and a macro area, and a stopper operable to be changed over to a first state in which the...
US-5,467,225 Objective lens for an optical disk drive
An optical lens for an optical disk drive suppresses a chromatic aberration to a sufficiently small level and attain a numerical aperture of as large as 0.55. It...
US-5,467,224 Optical low pass filter and imaging device using the same
To effectively cut off false signals and false color signals which would occur in an imaging device and also to suppress a reduction in quality of images which...
US-5,467,223 Drape adapter
The adapter member for a microscope cooperates with a universal microscope drape having a universal positioning member. The adapter member is detachably secured...
US-5,467,222 Foldable outside rearview mirror
A foldable outside rearview mirror assembly includes a shaft arranged on an extending portion of a base, a frame having an end plate rotatably inserted into a...
US-5,467,221 Multi-screen projector
A multi-screen projector having unit module projectors stacked at two higher and lower stages, each unit module projector having a screen with a Fresnel sheet...
US-5,467,220 Method and apparatus for improving semiconductor wafer surface temperature uniformity
In a processing chamber that includes a wafer pedestal adapted to heat and cool a wafer during wafer processing, where the wafer is secured to the pedestal with...
US-5,467,219 Control device for an optical amplifier
A control circuit for reducing the output of an optical amplifier when reflected light associated with the output of the amplifier temporarily increases. An...
US-5,467,218 Optical fiber amplifier
An optical fiber amplifier employs an optical fiber and an optical coupler. The optical fiber has a core and a clad. The core has an erbium-aluminum-doped center...
US-5,467,217 Light valve suspensions and films containing UV absorbers and light valves containing the same
Light valve suspensions and light valve films are provided with a UV absorber.
US-5,467,216 Spatial light modulation device
A spatial light modulation device of the type, in which information is written to a photoconductor by a light writing portion and read light impinging on a light...
US-5,467,215 Integrated electro-optic package for reflective spatial light modulators
An array of reflective LCSLM pixels formed on a substrate with a light polarizing layer positioned in overlying relationship to the array. A light source mounted...
US-5,467,214 Birefringence-compensated alignment-insensitive frequency doubler
Apparatus and a related method for generating a second harmonic frequency optical output from a fundamental frequency input beam, without significant...
US-5,467,213 Optical trunk transmission system and an optical repeater circuit
An optical transmission system that can perform not only amplification of optical signal level but also dispersion pre-equalization, as the signals are optical....
US-5,467,212 Addressable grating modulation system for optical cable TV system
An optical cable television system provides a large channel capacity and uses shared resources, whereby the more expensive hardware is shared over a large number...
US-5,467,211 Optoelectric sliding banyan network
A sliding banyan switching network is disclosed for signal switching in an electrical or an optical network. The sliding banyan network routes up to N signals...
US-5,467,210 Arrangement of bonding IC chip to liquid crystal display device
A board-shaped lower glass substrate of a liquid crystal display (LCD) device has a size larger than a board-shaped upper glass substrate of the LCD device. An...
US-5,467,209 Ferroelectric liquid crystal device with particular layer thicknesses at non-pixel portions and pixel portions
A ferroelectric liquid crystal device is constituted by a pair of substrates each having thereon a group of display electrodes, and a ferroelectric liquid...
US-5,467,208 Liquid crystal display
A liquid crystal display including a sheet for converging light from a back light source. The sheet may be an array of truncated prisms, an array of prisms...
US-5,467,207 LCD projection system which aligns the larger beam spread angle of the light source with the larger acceptance...
A projection system comprising a liquid crystal light valve having a wider acceptance angle for incident light in a first direction than in a second direction...
US-5,467,206 Color display device with intervening lens and spatial filter or with overlapping beams of chromatically...
A color display device comprises a source of light simultaneously emitting several ranges of chromatic components and a spatial light modulator comprising...
US-5,467,205 Image display system with right and left eye illuminating means
An image display system wearable on the user's head is disclosed for displaying a magnified projected image. The image display system includes an image display...
US-5,467,204 Liquid crystal light valve with dual function as both optical-to-electrical and optical-to-optical transducer
A liquid crystal light valve and a various information processors is provided. The processors have the liquid crystal light valve in which information formed in...
US-5,467,203 Facsimile machine
As image data is received by the facsimile machine, it is stored in the form of plural lines. A line which contains black pixels more than a predetermined number...
US-5,467,202 Digital copying apparatus with a display
An apparatus for copying a document in which an operation unit is provided separately from a copying unit. The operation unit includes a memory to store the...
US-5,467,201 Iterative error diffusion system
An image processing system with iterative error diffusion for halftoning a gray image made up of gray image signals to a binary image made up of binary image...
US-5,467,200 Data communication method between circuits
A method for performing data communication between two circuits is provided. The method comprises the steps of: serially transmitting information between two...
US-5,467,199 Apparatus for radio communication of facsimile
Tone signal (34a) having a reference frequency (f) which is produced by the tone signal generation device (34) at the transmitter part is transmitted, via...
US-5,467,198 Method for controlling an image processing system
A method for controlling an image processing system comprising a fax-terminal and an image scanner connected to each other involves producing image signals by...
US-5,467,197 Dual communication mode video tape recorder
A dual communication mode system combines a point to point communications device with a television receiver and a video tape recorder. The result is a highly...
US-5,467,196 Image forming apparatus which forms halftone images mixed with characters and fine lines
When forming an image in which a half-tone image area such as photograph, screen, or the like and characters and fine lines exist the half-tone image area and...
US-5,467,195 Density adjustment in an image processing apparatus
An image forming apparatus has a producing device for producing density information from an original image signal, an image forming device for effecting image...
US-5,467,194 Method and device for photoelectric identification of a material web
A method and apparatus for identifying a moving web in a paper making machine are disclosed. The method includes of the steps of illuminating the web with the...
US-5,467,193 Target device and use thereof for aligning light beams utilizing cross-hair light beams
A target device is designed for use with a machine for treating a patient with radiation. The device enables accurate determination of an isocenter to which the...
US-5,467,192 Improvements in or relating to surface curvature measurement
An apparatus for the measurement of the curvature of a surface includes at least one source of electromagnetic radiation, an electromagnetic radiation detector,...
US-5,467,191 Sample point interferometer for measuring changes in figure of a primary mirror and primary-secondary mirror...
Optical metrology method and apparatus for simultaneously measuring changes in figure of a primary mirror and spacing between the primary mirror (58) and a...
US-5,467,190 Digital to analog interface conversion circuit
An interface circuit is provided to allow substitution of digital output rotation sensors such as fiber optic gyroscopes or ring laser gyroscopes in place of...
US-5,467,189 Improved particle sensor and method for assaying a particle
The disclosure involves a particle sensor having a mirror cavity unobstructed by masks and the like. A light detector is at the mirror secondary focal point and...
US-5,467,188 Particle detection system
A particle detecting system for detecting the number and size of particles generated in a process chamber of a semiconductor manufacturing system. The particle...
US-5,467,187 Automatic calibration system for turbidimeters using a pulsing fluid flow to reciprocate a standard in a cuvette
An automatic calibration system is disclosed for an apparatus that measures the presence of s selected component in a test liquid sample. The system includes a...
US-5,467,186 Attracting nozzle control apparatus for a chip component mounting machine
An apparatus for optically detecting the offset of the pick up of a component having an irregular shape relative to a pick-up device so as to calculate the...
US-5,467,185 Emissions control for internal combustion engine
Respective SiC (silicon carbide) photodiode sensors are used to measure flame temperature at each cylinder of an internal combustion engine, and information...
US-5,467,184 Method of large deformation measurement using speckle interferometry
A method of deformation measurement using speckle interferometry comprises the steps of forming a series of speckle images at specified time intervals by using...
US-5,467,183 Electrostatic color printing system with sonic toner release development
An electrophotographic printing machine adapted to print a document in at least two different colors. An electrostatic latent image is recorded on the...
US-5,467,182 Sheet transport for high productivity trayless duplex
A duplex path loop having a acceleration nip cooperating with a belt transport and retime nip to allow duplexing of sheets while minimizing skipped pitches on...
US-5,467,181 Image forming system
An image forming system in which an image reading device, image forming device and duplex device are operated in a suitable combination to execute a page printer...
US-5,467,180 High air flow low pressure prefuser transport
An apparatus for advancing a sheet from a moving imaging member having an unfused image after transfer of the image to the sheet. After the image is transferred...
US-5,467,179 Turnover device for a web-shaped recording medium
A turnover device for turning a web-shaped recording medium over between two electrographic printer or copier devices working in tandem mode, the crossing point...
US-5,467,178 Pressure roller for reducing media curl and wave in electrophotographic printers
In the typical fuser, the pressure roller is end mounted to the fuser assembly. Such a mounting creates a higher pressure on the ends of the roller. By removing...
US-5,467,177 Fixing method for printing machine and electrophotoghraphic printing machine
A fixing method for a printing machine includes the steps of (a) forming a latent image on a latent image carrier by a process unit during a time when the latent...
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