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WO2000020912A9 |
A laser beam display includes at least a first and a second plurality of laser beam sources (200, 300), each of which may preferably be an array of semiconductor lasers, providing a plurality of laser beams in an optical path so as to re...
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WO/2000/048390A1 |
A method for controlling scan velocity modulation in a video display apparatus operable at a plurality of horizontal scanning frequencies. The method comprises the steps of, generating respective scanning velocity modulation signals from...
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WO/2000/046982A1 |
A power-supply circuit used for various pieces of electronic equipment, communication equipment, etc., adapted to produce voltage pulses by the action of resonance of the primary side of a transformer, which voltage pulses are stepped up...
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WO/2000/045440A1 |
An image device (21) which is formed by stacking a plurality of chips each having a plurality of converters (33) that are disposed in the vicinity of a first end (31a) to form on or a plurality of rows and convert incident rays into elec...
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WO/2000/044181A1 |
A digital image processing method and apparatus corrects geometrical distortions in digital images. The method includes the calibration of the camera by choosing a test pattern and manually adjusting the distortion correction factor of t...
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WO/2000/042765A1 |
A resistor-capacitor-diode clamp is coupled to an S-capacitance of a horizontal deflection circuit output stage for reducing ringing by causing critical damping. The supply voltage of the output stage varies at a vertical rate parabolic ...
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WO/2000/041244A1 |
A semiconductor energy detector comprises aluminum wiring patterns on the surface of the transfer electrodes of a CCD vertical shift register, and the wiring patterns include auxiliary conductors (10¿1?-10¿3?) formed in zigzag patterns...
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WO/2000/041034A1 |
A high-resolution photographic shooting device (22) and a system (7, 11), particularly for bi- or tri-dimensional large-sized objects, is provided and comprising a main frame (17) connected to a photocamera (11) which provides movable su...
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WO/2000/039781A1 |
The invention relates to a device for representing images, comprising a monitor with s electrodes for producing the s electron beams B¿s? and a control unit for controlling the electron beams B¿s? in such a way that the s electron beam...
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WO/2000/038410A1 |
A scanning system for a film recorder utilizes multiple digital-to-analog converters (DACs) to produce a linear output for a vertical deflection circuit which drives a vertical yoke circuit for controlling a CRT beam in a film recorder. ...
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WO/2000/038411A1 |
In order to accurately measure a low current bias in an automatic kine bias (AKB) circuit during several video lines that immediately follow vertical retrace, dynamic focus is interrupted by deactivating a dynamic focus voltage amplifier...
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WO/2000/036832A1 |
A presentation system, method and software for displaying an image on a screen and correcting image keystoning caused by a projection lens of a projector not being centered on the screen. The presentation system comprises a computer incl...
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WO/2000/036628A1 |
A cathode-ray tube device comprising a deflection yoke (14) for reducing the nonuniform magnetic field component of the deflection magnetic field along a first axis which degrades the beam spot on a phosphor screen (15) and correcting th...
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WO/2000/036821A1 |
The invention concerns a random access CMOS image sensor with an integrated low-pass filter. Said sensor comprises cells $i((Pixel)) each having a photodiode (D) consisting of a junction (PN) in the substrate (P), a precharge PMOS transi...
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WO/2000/030344A1 |
The method and apparatus for eliminating the 'sawtooth' effect of the image profile during the scanning of the picture are disclosed. By using the sub-vertical deflection correcting signal which corresponds to the direction and slope of ...
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WO/2000/025511A1 |
An image acquisition method and apparatus uses timing logic that permits selective readout of portions of an image stored in a charge coupled device (CCD). That logic selectively skips portions of the image not of interest, e.g., by appl...
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WO/2000/024190A1 |
Method and apparatus for expanding the dynamic range of an optical imager, comprising individually controlling the integration time of each pixel of a sensor array, and providing a corresponding scaling factor for the electrical output o...
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WO/2000/021281A1 |
A CRT display device effectively suppressing an unnecessary radiation of the electromagnetic wave which is generated according to a horizontal deflection or a vertical deflection. At the outer circumferential position of a horizontal def...
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WO/2000/021282A1 |
A method and apparatus are provided for preventing keystone distortion in a projected image. A projected image (750a) is produced by projecting light from a light source (102) through a deformed image (700a) rendered on a display device ...
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WO/2000/019707A1 |
An apparatus and a method for protecting a video display device, having an anode and a cathode, against excessive beam current conditions. In particular, the present invention protects the video display device against zero-biasing of the...
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WO1999025161B1 |
A novel method for electronic forming/recording image that allows the formation of very and extremely high resolution image and devices for same is presented. A method comprises forming/recording an image by constituent two coordinate pl...
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WO/2000/014950A1 |
An imager pixel including a photodetector, a first MOS transistor functioning as the driver of a source follower amplifier during signal readout, a second MOS transistor serving as a pixel readout transistor, a third MOS transistor servi...
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WO/2000/014957A1 |
A photographic film scanner (305) for scanning a film strip containing a plurality of photographic images is disclosed. The film strip is advanced through the scanner and a digital image of the film strip is created. Individual images co...
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WO/2000/010324A1 |
A scanning speed modulating circuit for a picture output device such as a television receiver and for enhancing the contour of the picture by modulating the scanning speed of the electron beam, comprising a video amplifier (10) for drivi...
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WO/2000/004714A1 |
A video signal of an interlaced scanning system having 525 scanning lines and a vertical scanning frequency of 60 Hz is converted to a video signal having 1050 scanning lines and a vertical scanning frequency of 120 Hz, for displaying an...
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WO/1999/064267A1 |
An imaging system for use in a vehicle headlamp control system includes an aperture, an image sensor, a red lens blocking red complement light between the aperture and the image sensor, and a red complement lens blocking red light betwee...
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WO/1999/065054A2 |
A deflection circuit comprises a deflection correction circuit (Vs) with a controllable active voltage source (Vs) arranged in a loop formed by a deflection coil (Ld), an S-capacitor (Cs), and a flyback capacitor (Cf). The voltage source...
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WO/1999/065227A1 |
A parallel scanning circuit outputs a parallel scanning signal for making forward and backward scanning lines parallel. A vertical correlation detection circuit detects a portion where the change in luminance in the vertical direction ex...
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WO/1999/062245A2 |
It is known to use sub-sampling in large solid-state imaging devices, for example photocameras, for the purpose of picture display in the viewfinder of the camera. If use is made of a mosaic color filter, a number of lines of different c...
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WO/1999/062247A1 |
To stabilize the operation of a horizontal deflection output, a horizontal deflection circuit device has a first parallel circuit (P1) including a first switching element (11), a first damper diode (12) and a first resonance capacitor (1...
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WO/1999/062048A1 |
A horizontal distortion correction device, in a CRT display unit, for controlling the phase of a horizontal deflection current by applying a residual phase to correct the horizontal distortion of an image; specifically, a horizontal dist...
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WO/1999/057888A1 |
The amount of correction of horizontal linearity can be adjusted and the amplitude of a horizontal deflection current can be suppressed. A switching element (11) is provided between both ends of an S-distortion correction capacitor (5) c...
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WO/1999/056097A1 |
A digital imager apparatus uses the differences in absorption length in silicon of light of different wavelengths (400-490nm, 490-575nm, 575-700nm) for color separation. A preferred imaging array (102, 104, 106) is based upon a three-col...
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WO/1999/055077A1 |
A horizontal deflection circuit which enables various kinds of correction. One end of a first parallel circuit having a first switching element (11), a first damper diode (12) and a first resonance capacitor (13) connected mutually in pa...
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WO/1999/055076A1 |
A device (10) for viewing photographic image through a television set is provided which generally comprises a light source (12) for illuminating the photographic image, a photographic image holder (14), an optical element (16) for focusi...
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WO/1999/055084A1 |
A video signal processing circuit combines a video signal with a graphic signal according to display switching control signal, inverts the synthesized signal on the time axis alternately in forward scanning intervals and return scanning ...
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WO/1999/053684A2 |
A high voltage transformer (Tr) comprises a primary winding (Lp), secondary windings (Ls1, Ls2, Ls3), and diodes (Di) coupled between successive secondary windings (Ls1, Ls2, Ls3). A polarity of the diodes (Di) and the secondary windings...
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WO/1999/049651A1 |
The invention concerns a method for acquiring and processing an earth satellite observation image using at least an array or matrix of load transfer sensors moving past opposite a zone under observation, which consists in acquiring a plu...
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WO/1999/049571A1 |
A buffer circuit includes a MOSFET source follower (M54) and a floating gate MOSFET (MFG53) connected in series with the phototransistor (PT51) to control current through it at an input circuit node (D53). The source follower (M54) buffe...
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WO/1999/049654A1 |
A method for managing digital graphical data includes defining a first pixel (511) using a characteristic in a first set of sub-pixels. A second pixel (512) adjacent to the first pixel is defined using the characteristic in a second set ...
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WO/1999/041902A2 |
A display monitor operating under the raster scanning system repeats the line scanning of an electron beam by moving the resulting scanning lines in a direction substantially perpendicular to the line direction. In a cathode ray tube (CR...
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WO/1999/035821A1 |
Outputs from an array of input signals are amplified by an amplification section, sampled and multiplexed onto an analog bus. Amplifiers in the amplification section are segregated into groups. When the amplifiers are in a first mode, as...
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WO/1999/034593A1 |
A method and system for implementing a screen saver function is described. A peak value of a characteristic such as beam current magnitude of a video signal being processed is determined. An average value of the same characteristic of th...
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WO/1999/031874A1 |
An image sensor chip (100) is formed with the image sensor abutting up to three edges of the chip. Certain parts of the row logic (132) which are required to be adjacent to each of the rows are placed into the array (102), in place of ce...
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WO/1999/030485A2 |
An X-ray examination apparatus includes an X-ray detector for deriving an image signal from an X-ray image. The X-ray detector has an essentially elongate X-ray-sensitive surface. The X-ray sensitive surface of the X-ray detector corresp...
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WO/1999/027709A1 |
A video format adaptive electron beam control for causing the spot size of the electron beam to increase for a low resolution signal and for the high frequency components of a high resolution signal, but for causing the electron beam spo...
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WO/1999/020039A1 |
An electron beam tends to slope downwardly as it is deflected horizontally to form a raster in a video display apparatus. The sloping of the beam can cause geometric errors in the raster, for example orthogonality and parallelogram error...
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WO/1999/020038A2 |
A method and device for reducing moiré by preventing the production of the second harmonic of the video signal Nyquist frequency. A nonlinear function (10) is applied to one of a) a digital video signal having a nonlinearity between an ...
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WO/1999/018613A1 |
A reduced area imaging device is provided for use in medical or dental instruments such as an endoscope. In one configuration of the imaging device, the image sensor (40) is placed remote from the remaining circuitry. In another configur...
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WO/1999/014716A1 |
Electro-optical display apparatus includes a plurality of modular units (M1-M4) each having a projector (5) for receiving electrical signals, converting them to optical images, and projecting the optical images via an optical projection ...
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