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WO/2002/007182A1 |
A color display device comprising a cathode ray tube (1) and a deflection unit (4) is described. The display device includes compensation coils (24) for correcting a raster distortion in the raster displayed on the screen and means for p...
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WO/2002/003675A2 |
A method for compressing the dynamic range of an image sensor (202) including a multiplicity of pixels. The method includes the steps of exposing each of the pixels to light and producing an associated photocurrent per pixel, representat...
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WO/2002/001851A1 |
A method for controlling image sharpness in a video display apparatus operable to display first (Ymain) and second (Ypip) image signals simultaneously. The method comprises the steps of: combining a first image signal (Ymain) and a secon...
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WO/2001/095611A1 |
A focusing circuit (1) for generating a focus control signal for a cathode ray tube (3) has a modulation input (4) for influencing the focus control signal, which focus control signal contains a measure for an envelope of excursions of h...
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WO/2001/095121A2 |
A circuit configuration applicable to systems such as consumer electronics devices enables communication between components such as integrated circuits connected to the bus. According to an embodiment, the RUN power supplies are turned t...
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WO/2001/093569A1 |
According to the inventive method for the phase correction of a vertically distorted digital image which is divided into two fields according to the interlaced scanning method, account is taken of a vertical decimation factor (vscale)whi...
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WO/2001/093567A1 |
In a television receiver, a dynamic, parabolic correction voltage for focusing is generated by means of a transformer whose primary winding is fed with the line deflection current or a line-frequency voltage and to whose secondary windin...
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WO/2001/093568A1 |
In the event of a change of the picture aspect ratio, for example for reproduction of a picture with 4:3 on a screen with 16:9, it is desirable that this S correction be reduced or completely switched off in order that stretching deliber...
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WO/2001/093237A1 |
In a cathode ray tube (10), plural electron beams (30) are directed towards a faceplate (20) biased at screen potential and are magnetically scanned by a non-self-converging deflection yoke (16) across the faceplate (20) to impinge upon ...
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WO/2001/084832A1 |
An optocoupler circuit comprises a pulse generator which supplies a pulsed signal to the light-emitting device, while the pulsed signal has at least two different levels of which at least one of the levels is controllable. The pulsed sig...
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WO/2001/082483A1 |
In a waveform generator according to the first aspect of the invention, a repetitive non-linear waveform is generated by varying the number supplied to the pulse reduction circuit during the repetition period. Consequently, the pulse red...
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WO/2001/080550A2 |
The invention relates to a panoramic camera. An achromatic lens or reflector arrangement is provided which is configured to enhance the far field resolution of a light sensor. The camera includes rotation means for rotating the sensor an...
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WO/2001/078413A2 |
A system for enhancing brightness and resolution while correcting certain types of convergence, geometry, color and luminance errors caused by the display device, the viewing position or both. This system involves merging images from two...
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WO/2001/065304A2 |
One or more lenses (10) are revolved around an axis (12) normal to a flat scan plane (21) to provide a scanning mechanism for exposure onto (or reading off of) a flat plane of a substrate (20). The data for the image is remapped electron...
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WO/2001/063905A2 |
A frame shutter type device provides a separated well (220, 320, 460) in which the storage node is located. The storage node is also shielded by a light shield to prevent photoelectric conversion.
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WO/2001/061990A1 |
The invention relates to a video sensor chip circuit, comprising light-sensitive picture elements (pixels) arranged in a matrix. Each picture element has a phototransistor whose output photo-flow is logarithmically amplified and fed to a...
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WO/2001/052413A1 |
An electronic circuit for switching an inductive load (10) by means of a bipolar transistor (1) whereby a switching signal is supplied to the base (5) of a switching transistor (1) via an LRC circuit (6, 7, 9). During switching off the L...
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WO/2001/047246A1 |
A method for generating display correction waveforms for a CRT display comprises the steps of selecting one of a plurality of trace portions for forming part of a correction waveform, the trace portions having different average values. C...
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WO/2001/047252A2 |
A lamp, a film guide, and a photosensitive detector are combined into an optical system contained in a portable device that generates electrical signals representing images recorded on motion picture film. The film guide has a surface pr...
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WO/2001/045390A1 |
A camera with multiple tapered bundles (110) coupled to multiple CCD arrays (130) is presented. Each tapered bundle (110) is optically coupled to a lens assembly (115) and the lens assembly (115) together with the individual optical bund...
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WO/2001/045392A2 |
An image sensor (39) comprises a plurality of pixels (10), each pixel comprising a light sensor element (12), wherein a sensor voltage across the element varying depending on the light incident on the element. First and second transistor...
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WO2000041519B1 |
A secondary winding (LSEC) of a horizontal flyback transformer (IHVT) of a horizontal deflection circuit (20) develops a horizontal retrace pulse voltage (12). A secondary winding (43) of a second transformer (41) is coupled in series wi...
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WO/2001/041426A1 |
A high-resolution digital image capturing apparatus (200) with variable resolution capability is presented. In accordance with the present invention, the image capturing apparatus (200) implements a motion control mechanism (206) to incr...
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WO/2001/039491A1 |
An embodiment of the invention is directed to a method for controlling illumination of a scene being captured by an image sensor, responsive to a signal that represents a bulk current. The image sensor has a bulk region on which a number...
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WO/2001/039242A1 |
A cathode ray tube comprises means (16, 16') for dynamically influencing the path or shape of the electron beams. The power for the supply current for said means is drawn from the line deflection circuit by means of a transformer (41) ar...
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WO/2001/037545A1 |
The invention relates to a circuit arrangement for controlling the supply voltage (Ubvar) of a video signal deflection unit, especially a horizontal deflection unit (1) pertaining to a television apparatus or a monitor. The inventive arr...
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WO/2001/025850A1 |
A rotary gate (1) for digitally scanning frames of a motion picture film (5) has a motor drive wheel (3) and a coaxially spaced free wheel (13) which support and engage sprocket holes (12, 14) in the film (5). The free wheel (13) has no ...
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WO/2001/024996A1 |
An artificial firelog and firestarter chip producing apparatus comprising a cutting assembly, a compression conveyor auger assembly and a die. The apparatus converts standard waxed corrugated cardboard boxes into artificial firelogs by f...
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WO/2001/026360A1 |
A simple and cheap dynamic S-correction circuit compensates the higher order errors like the so-called moustache effect and the inner linearity distortion. This is achieved in a known way by connecting an additional proper tuned S-capaci...
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WO/2001/024513A1 |
A method and apparatus for displaying a video signal is described. A video signal is received representing an image having a first aspect ratio, with the image having a top and bottom edge. An edge modification signal is generated. The i...
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WO/2001/024514A1 |
A memory and a switchable digital filter supply different numbers of digital distortion correction values. The supplied distortion correction values are converted to an analog distortion correction signal. A passive, analog low pass filt...
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WO2000033564A9 |
A method of electronic Keystone correction for electronic devices having visual displays which exhibit optical distortion on the display screen. The corrective method is based on computation and electronic (physical) manipulation of the ...
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WO/2001/015430A1 |
A tracker (20) for stellar objects is provided. The star tracker includes a charge coupled device (24) having an image section (28) and a memory section (42A or 42B). The image section (24) is useful in obtaining acquisition information ...
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WO/2001/013649A1 |
An imaging method and system that flexibly accesses light sensor elements and processes imaging signals. The imaging system (100) comprises an array of pixel sensor cells (104) and a readout control circuit (106). The imaging system (100...
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WO/2001/008549A1 |
A reduced area imaging device provided for use in medical or dental instruments can be wholly incorporated within an endoscope (10) by placing the image sensor and timing and control circuitry within the distal tip (16) of the endoscope,...
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WO/2001/006758A1 |
The primary winding of a transformer is connected in series with a horizontal deflection coil. An amplitude adjustment circuit outputs a first correction voltage according to the voltage induced in the secondary winding of the transforme...
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WO/2001/005139A1 |
An optical scanning apparatus with a summing means to add the contents of two adjacent pixel sensors is suggested, thus summarizing each two adjacent pixels in low-resolution scanning mode. A CCD line sensor with two separate shift regis...
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WO/2001/003420A1 |
An apparatus for correcting convergence and geometry errors in a display device re-maps the positioning of pixels in a video signal based on predetermined convergence and geometry errors in a display device. The apparatus includes counte...
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WO/2001/000001A2 |
In order to linearly displace, in a precise manner, a device in a camera with regard to the imaging beam, the invention provides a movement guidance in which the device (1) is coupled to the reference system on the camera via at least th...
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WO/2000/079789A1 |
A display apparatus, for instance a television receiver, comprises a cathode ray tube (3), a first circuit (1) for providing a high voltage (HV) to the cathode and a second circuit (2) receiving a gross signal (Y') and providing on at le...
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WO/2000/069324A1 |
An endoscope (2) includes a head (6), the front end of which encloses a variable-sensitivity CCD (9) capable of changing its sensitivity responsive to a plurality of pulsated drive signals. The endoscope (2) is connected detachably with ...
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WO/2000/064142A1 |
The invention relates to a circuit for processing an analog signal presenting a time sequence of discrete signal levels. Each discrete signal level is situated in a time interval and represents an information-bearing segment of said inte...
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WO/2000/062538A1 |
A display system comprises a linear array of light-emitting elements which can be driven in accordance with image information to be displayed, and a reflecting element provided with a reflecting surface arranged to rotate around a first ...
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WO/2000/060639A1 |
A colour display device comprising a cathode ray tube and a deflection unit. The display device includes a compensation coil arranged circumferentially around the display tube, for example on the deflection unit, and means to supply dc c...
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WO/2000/058932A1 |
A wide-field-of-view projection display comprises a circularly symmetric lens (1) and an array of light emitters (2), positioned along the focal circumference of the circularly symmetric lens so that light from each of the light emitters...
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WO/2000/058717A2 |
A short-form image intensifier is made possible by an image correction circuit receiving distorted digital image signals from the image intensifier and operating on them with a reverse distortion function. The resulting correction of dis...
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WO/2000/052729A1 |
Method in which the positions of the color ray tube and the deflection unit are matched to each other, using a step of recording a displayed image and in which the envelope is oriented upside down during matching.
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WO/2000/051185A1 |
The aim of the invention is to reduce the transient time and decay time of an optoelectronic image cell having a light-sensitive element (1) that emits a photocurrent and an impedance transformer (2) for the photocurrent. To this end, a ...
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WO/2000/051340A1 |
A scanning velocity modulation deflection signal generator comprises a variable conduction device coupled to said scanning velocity modulation deflection signal generator. In a first condition the variable conduction device provides a fe...
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WO/2000/049798A1 |
A phase controller of a horizontal drive pulse fed into a horizontal deflection circuit supplying a horizontal deflection pulse, and a control method of the same are disclosed. A frequency discriminator identifies a format of video-input...
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