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WO/1997/050244A1 |
A focusing waveform (Vf) is obtained by first generating (2) two intersecting triangular waveforms of opposite phase and half the deflection frequency. Subsequently, the difference between these two triangular waveforms is multiplied by ...
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WO/1997/044951A1 |
In systems for reading pixel data from an array of horizontal m-bit rows of CCD image detectors (12), pixel data loaded in parallel from a row of the array into an m-bit shift register (14) is transferred in parallel from the m-bit shift...
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WO/1997/044948A1 |
The present invention is a method and apparatus for digitizing film frames. The invention utilizes different colored strobe lights housed in an integrating sphere (204) instead of the prior art filter and shutter mechanism. The invention...
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WO/1997/042661A1 |
A high resolution flat panel for radiation imaging (20) includes an array of pixels (22) arranged in rows and columns. Gate lines (24) interconnect the pixels (22) of the rows while source lines (26) interconnect the pixels of the column...
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WO/1997/041679A2 |
A spot position indication signal (A) is generated by an address generator (4). A deflection current (Ih, Iv) for deflecting an electron beam spot in one direction in a raster scanned cathode ray tube (2) has a shape for obtaining an app...
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WO/1997/041473A1 |
In a process for the transmission of a light beam for illuminating pixels in a video image, with the light beam being inserted into an optical fibre (6), with a certain divergence angle and beam diameter determined by the way it is gener...
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WO/1997/041680A2 |
A one-dimensional p-th order spline waveform (Cw) extending along the width or height of a picture device display screen is generated as a chain of sections of p-th order sub-functions (Sfi) of a position address (P). If n predetermined ...
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WO/1997/039571A1 |
A linear motor driven film gate for a motion picture telecine and methods for operation. A housing associated with a telecine optical block is operative to support and transport a single film frame in a precisely controlled linear motion...
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WO/1997/039570A1 |
The proposed method of forming an image involves converting an information signal, recording it in a memory unit, and subsequently reading off the information signal thus recorded according to a control program using a scanner unit and f...
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WO/1997/038524A1 |
Image sensors (1, 2) which are rotated through 90� relative to one another and have selective pixel access are used for rapid image recording. In this way, a short pixel access time is attained for the row and column directions. In ord...
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WO/1997/037489A1 |
A telecine machine (10) for converting images recorded on motion picture film to video signals. On a commercially-available flatbed editing table (12), motion picture film passes through a light-tight enclosure surrounding a strobe, the ...
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WO/1997/031476A1 |
A multimedia computer and television apparatus (10) includes a dual mode monitor portion (20) adapted to display either or both a TV broadcast signal or computer (data) signal, connected to a computer portion (30) configured for both Int...
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WO/1997/031475A1 |
A photographic film scanner (50) for scanning a film strip (56) containing a plurality of photographic images is disclosed. Previous scanners are slow and are limited to scanning one type of film using one resolution. With the disclosed ...
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WO/1997/019551A1 |
An image display device (1) which includes a cathode ray tube is provided with a cathode system (2) for the emission of a plurality of electron beams (3) whereby a phosphor screen (4) is scanned in order to display an image. The electron...
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WO/1997/019437A2 |
A display system which comprises a means for changing the s/av and/or p/ah ratio, the scanning-line pitch s and/or the pixel pitch p of incoming signals.
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WO/1997/015063A1 |
The display system comprises a colour cathode ray tube. The colour cathode ray tube comprises an in-line electron gun with a distributed main lens (DML). The final electrode (anode) of the DML generates a quadrupole lens field. To a firs...
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WO/1997/014245A1 |
A thermal imaging device (10) includes a light emitting diode (LED) display (62) providing an image replicating a viewed scene. The LED display (62) also includes an array of symbology LED's (198) providing symbology superimposed on the ...
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WO/1997/014072A1 |
A miniature, full-color display includes two rows of light-emitting elements that are both selected to emit light in substantially non-overlapping wavelength ranges comprising a blue-green wavelength range and a red wavelength range. The...
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WO/1997/013360A1 |
A method for driving a matrix video display by which a distortion-free picture is displayed according to video signals having an arbitrary aspect ratio. On the screen (7) of a first aspect ratio of the display, a first video display area...
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WO/1997/009820A2 |
In a method of reducing a moir� phenomenon upon display of a video signal on a display device (4), the video signal is low-pass filtered (2) with a cut-off frequency substantially corresponding to a maximum frequency of a baseband port...
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WO/1997/009819A1 |
The invention concerns a photoelectric semiconductor light-detection system with programmable dynamic performance, the system comprising a semiconductor photocell, preferably a photodiode, by means of which the impinging light intensity ...
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WO/1997/008729A1 |
Color display device comprising a shadow mask and means for correcting landing-errors. The correction means comprise first and second correction deflection devices which are arranged one behind the other in the direction of the electron ...
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WO/1997/005451A1 |
A method for acquiring and processing a satellite earth observation image by means of at least one CCD detector array or strip moving past an observation area, wherein a plurality of pixels are acquired and quincunx sampled. The row and ...
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WO/1997/004587A1 |
A technique is provided for very efficiently injecting DC current into a horizontal deflection yoke to achieve raster shifting. The DC current (which is bi-directional) is used to unbalance the scan current, thereby providing a means to ...
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WO/1997/004526A1 |
The present invention, generally speaking, provides an improved base drive arrangement for scan and/for EHT output stages in a television or video display monitor. In accordance with one aspect of the invention, by adding just a few comp...
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WO/1997/001839A2 |
In a matrix display of light reflecting elements, each element is duty-cycle modulated into one of two states represented by successive bits of a digital display code to produce a luminance level represented by the code. In order to corr...
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WO/1997/000573A2 |
An image pick-up apparatus (1) for picking up a plurality of sub-images and combining them so as to form a composite image, comprising a correction unit (5) for correcting brightness values of the composite image. The correction unit (5)...
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WO/1996/038977A1 |
A power supply (1;2) is synchronized to a repetition frequency of an addressing of lines in a multiples rate line addressing circuit (7). The power supply (1;2) operates satisfactorily if switched within a prescribed frequency range. The...
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WO/1996/038760A1 |
A device for continuously driving a motion picture film, particularly for digitising frames of said film or printing images thereon, includes motor-driven reels (10, 12) for spooling and unspooling the film (14), movable rollers (18) for...
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WO/1996/037818A1 |
The invention concerns a pulse former which forms pulses controlling the formation of a discrete scanning pattern on the screen of a cathode ray tube. It comprises a pulse forming unit for producing pulses corresponding to the position o...
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WO/1996/036166A1 |
A method according to the invention reduces a decrease of light towards the edges of a display screen (10) of a display tube (1). The extent of the decrease of light particularly depends on an increase of the tickness of the glass of the...
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WO/1996/036165A1 |
A method according to the invention reduces spot-growth towards the edges of a display screen (10) of a display tube (1). The number of electrons per second in a modulated electron beam is determined by a picture signal (Pi). A corrected...
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WO/1996/034489A1 |
A television receiver, comprising: a video display (12) with a wide width to height ratio; horizontal and vertical deflection circuits (20, 25, 74, 60) for generating selectable rasters of different sizes on the video display by modifyin...
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WO/1996/031977A1 |
A system and method to improve the quality of reproduced images on a film to video transfer device (12) by scanning extra lines to reduce vertical aliasing and performing vertical sample rate reduction (61) to produce the correct number ...
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WO/1996/029821A2 |
An image pick-up apparatus (1) which comprises a beam splitter (2) for splitting an image into sub-images and several image sensors (3, 4) for picking up the sub-images is provided with a depolarizing element (6) which reduces the linear...
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WO/1996/029643A1 |
The invention concerns a pulse former which forms pulses controlling the formation of a discrete scanning pattern on the screen of a cathode ray tube. It comprises a pulse forming unit for producing pulses corresponding to the position o...
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WO/1996/027232A1 |
A switch mode power supply comprises a transformer (T1). A switch (Q4) alternately opens and closes a current path through a primary winding (L1) of the transformer in response to a pulse switching signal. An oscillator (110) generates t...
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WO/1996/025007A1 |
The present invention teaches an improved parallel telecine for converting a plurality of recorded images or frames of film, defined by a first and a second set of frames of film, to a digital data stream. The improved telecine comprises...
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WO/1996/023316A1 |
Raster demodulation apparatus for a raster-scanned cathode ray tube display comprises control means (400) for varying the shape of at least one scanned electron beam spot (661-663) in a direction perpendicular to scan lines of the raster...
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WO/1996/022654A1 |
An optical arrangement and a process for transmitting and converting X-ray images generated on a two-dimensional primary image array (21a) with light emission within the visible spectrum contains a plurality of optical systems (17) for r...
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WO/1996/021993A2 |
Method of discharging a picture display tube (3) in a picture display device, and picture display device provided with a picture display tube discharge circuit, in which the picture display tube (3) is discharged by switching off a gener...
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WO/1996/019893A1 |
An image pick-up apparatus (1) comprises a plurality of image sensors (2, 3) for picking up sub-images and for supplying electronic sub-image signals. A combination unit (4) forms an electronic image signal for a composite image from the...
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WO/1996/019819A1 |
A magnetic correction circuit is provided with a magnetic sensor (1), a control circuit (2) which generates a signal for magnetic correction, and a coil (3) for magnetic correction. The sensor (1) is provided with a pair of amorphous mag...
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WO/1996/018265A1 |
A process is disclosed for producing a second picture sequence (target picture sequence) having a second picture frequency and a corresponding second picture interval from a first picture sequence (source picture sequence) with a first p...
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WO/1996/016393A1 |
An active matrix liquid crystal display device having a row and column array of picture elements (12) which each include a switching device (25, 26) and which are driven by a drive circuit (20, 21, 22, 24, 27, 40) via sets of row and col...
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WO/1996/015622A1 |
A circuit for driving a number of actuated mirrors (50) in a column in an actuated mirror array includes a sequential circuit for generating a sequential signal, a corresponding number of latches and a corresponding number of digital-ana...
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WO/1996/013118A1 |
In the market there is a tendency towards picture tubes with a super flat screen. Due to the flat screen it is becoming increasingly difficult to meet the even tighter specification on North/South raster distortion (N/S distortion), the ...
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WO/1996/010883A1 |
A low-cost portable handheld still-frame thermal camera for capture of digital thermographic infrared images, having a lens assembly, a slideable linear array of uncooled 8-12'mu'm thermal IR sensor, a slider actuation mechanism, and ass...
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WO/1996/008729A1 |
Method and apparatus for the reduction of the intensity of magnetic field emissions from video display units (VDU) in the vicinity of the user comprising a wire coil shaped to mimic the shape of conventional VDU deflection coils draped o...
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WO/1996/008104A1 |
A thermal imaging apparatus including a non-linear optomechanical scanner receiving radiation from a scene and directing it onto an image plane, the scanner defining a non-linear scan velocity in the image plane, a SPRITE detector dispos...
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