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| Number | Title | Issue Date |
| 7180556 | System and method for capturing, transmitting, and displaying an image An optical image system includes an image projector and an image generator. The image projector has regions with adjustable brightness levels. The image generator generates an image received from a remote location on the image projector by directing first and second... | 02/20/2007 |
| 7180555 | System and method for producing an image with a screen using erase (off) and image (on) light sources An image system includes a beam generator and a screen having a region with an adjustable brightness. The beam generator directs first and second electromagnetic beams onto the region. The first beam changes the brightness of the region according to a first polarity... | 02/20/2007 |
| 7133063 | Electronic endoscope apparatus which superimposes signals on power supply An electronic endoscope apparatus has a single coaxial cable which combines a power line and signal line installed between a scope and a processor unit. A waveform superimposing circuit of the scope superimposes a video signal on power transmitted through the coaxia... | 11/07/2006 |
| 7023149 | CRT vertical scanning circuit with a low power standby The invention concerns a scanning circuit, comprising a power supply providing a negative voltage on a first terminal (Tdown), an intermediate voltage on a second terminal (Gnd) and a positive voltage on a terminal of a switch (S), the other terminal of the switch b... | 04/04/2006 |
| 6950096 | Driver for amplifying operating voltage of luminary The present invention discloses a driver for amplifying an operating voltage of a low driving-voltage luminary. The driver includes a driving circuit providing a first signal, and a negative multiple voltage circuit electrically connected to the driving circuit and ... | 09/27/2005 |
| 6671006 | Spot position indication signal generation An 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 approximate linear sc... | 12/30/2003 |
| 6246185 | High frequency ballast for high intensity discharge lamps A high frequency arc lamp power supply (518) and display system (500). The power supply (518) drives an arc lamp (504) at a frequency high enough to several times higher than the display system's LSB frequency. By pulsing the lamp many times during each L... | 06/12/2001 |
| 5504539 | Circuit for modulating vertical positions of a picture in a wide screen television This invention relates to a circuit for solving a vertical interlace phenomenon generated by the instability of servo control when a mode of VCR operation is fast or still, comprising a vertical pulse delay 101 for delaying a vertical pulse inputted from ... | 04/02/1996 |
| 5418426 | Picture tube having a plurality of guns It is known to provide a large screen area using a picture tube having a plurality of guns. The object is to provide a transition of continuous brightness, so that the partial picture transitions are no longer perceptible. This is achieved in that a pictu... | 05/23/1995 |
| 5359266 | System for generating triggering pulses for use in beam indexing type color cathode ray tubes A single gun color cathode ray tube (CRT) having a screen consisting of alternating red, blue and green vertical phosphor strips in groups of three, with strips of conductive or photovoltaic material overlaying each phosphor strip, or placed between adjac... | 10/25/1994 |
| 5323231 | Device and process for measuring an electron density distribution in a cathode ray tube with an image converter camera and a sequence controller The invention concerns the measurement of the radiant density of electron beams from shadow mask tubes. According to a known process, the beam is displaced on the screen and pictures are taken of the light spot areas, as they are detected by the effect of... | 06/21/1994 |
| 5138435 | CRT-matrix display with indexing and stair step vertical deflection waveform. A CRT-matrix type big screen display system having self-emitting type picture cells is provided with a deflection waveform as a sawtooth waveform and a deflection waveform in the other direction as a step deflection waveform crossing the picture cells. In... | 08/11/1992 |
| 4896082 | Raster distortion correction circuit In a circuit arrangement for correcting a raster distortion in a cathode ray tube, at least one vertical perforated, index strip of a sensor is arranged at a corresponding margin of a picture producing screen of the cathode ray tube. An index signal that ... | 01/23/1990 |
| 4867535 | Exposure arrangement for the production of masks An exposure arrangement for use in a computer-aided design system to produce masks. The arrangement includes a cathode-ray tube which produces an image of the mask on the screen of the tube, and an optical system which projects the image of the mask onto ... | 09/19/1989 |
| 4752716 | Beam-index type color cathode ray tube devices A beam-index type color cathode ray tube device which comprises a color cathode ray tube having a front panel portion and a screen panel portion provided with a phosphor screen shaped rectangularly to include a plurality of color phosphor stripes accompan... | 06/21/1988 |
| 4745344 | Flat plate-shaped cathode ray tube An electron beam detecting electrode is provided laterally outside an effective picture area, to detect a beam current amount and vertical position of the electron beam. An amount of the electron beam current and a position of the electron are controlled ... | 05/17/1988 |
| 4706116 | Wide band beam index system with improved brightness A wide band single beam index signal system where the electron beam is operated earlier when positioned to strike an index strip in the presence of video signal corresponding to an immediately prior phosphor stripe and extended when positioned to strike a... | 11/10/1987 |
| 4658288 | Beam index system with switchable memories A beam index CRT system includes a pair of memories that are selectively operated to store lines of data from a source and to supply stored lines of data to a CRT. A plurality of NOR gates and flip-flops toggle memory addressing means and simultaneously a... | 04/14/1987 |
| 4628349 | Video-index signal mixer A wide-band video amplifier-index signal mixer for driving a beam index CRT includes a low power, high speed "off-the-shelf" video switching transistor having two inputs, one supplied by a first low power, high speed switching transistor coupled to receiv... | 12/09/1986 |
| 4626900 | Color video signal reproducing circuit for index type television utilizing vertical correlation of index signals and 360° phase detection and adjustment circuits A color video signal reproducing circuit for an index type television including a phase detector and a phase adjusting circuit in which the phase detector detects the phase difference between an index signal of a present time and an index signal which is ... | 12/02/1986 |
| 4617591 | Chroma scanning circuit for use in beam index type color picture reproducing apparatus Disclosed is a chroma scanning circuit used in a beam index type color picture reproducing apparatus, the circuit being provided with an inductance element connected in series to a horizontal deflection coil, and a scanning signal generation circuit conne... | 10/14/1986 |
| 4527192 | Index signal enhancement circuit A color display system includes an index CRT and a photo multiplier tube for developing an index signal in response to electron bombardment of regularly spaced phosphor index strips overlying the screen on the tube. Correction means, including time delaye... | 07/02/1985 |
| 4514756 | Single beam color CRT The target of a CRT comprises a single crystal substrate (e.g., YAG) on which are formed a plurality of color stripe triads of epitaxial material. Each stripe triad has three epitaxial layers in a staircase geometry and is overlayed with a metal stripe. T... | 04/30/1985 |
| 4468690 | Beam index color display system A display system is disclosed for receiving video data from a character generator and for applying that data to a beam index tube. The system includes a memory for storing data received from the character generator and for outputting the stored data in re... | 08/28/1984 |
| 4408223 | Beam index color display system A display system is disclosed for receiving video data from a character generator and for applying that data to a beam index tube. The system includes a memory for storing data received from the character generator and for outputting the stored data in re... | 10/04/1983 |
| 4369460 | Color-picture tube without shadow mask and with only one electron gun In a single gun, horizontal stripe color picture tube, including a deflection system for scanning a single beam across groups of horizontal strips coated on a screen, chromaticity of colors to be produced is determined by position of the beam spot within ... | 01/18/1983 |
| 4333105 | Beam-indexing color television receiver A beam-indexing color television receiver having a phosphor screen including one index stripe for every predetermined integral number of phosphor stripe sets each including a red, a green and a blue phosphor stripe. The minimum bias current is supplied to... | 06/01/1982 |
| 4305022 | Horizontal scanning rate correction apparatus A horizontal scanning rate correction apparatus for a cathode-ray tube, particularly of the beam index color cathode-ray tube type, includes a memory for storing correction values representing deviations of the horizontal scanning rate of the electron bea... | 12/08/1981 |
| 4287506 | Voltage generator with self-contained performance monitor A system for the generation of a set of voltages, such as the X and Y coordinate voltages of a display or automated milling machine, includes a character generator and a character positioning circuit which, in turn, are responsive to digital control signa... | 09/01/1981 |
| 4281340 | Horizontal scanning rate correction apparatus for beam index color cathode-ray tube Horizontal scanning rate correction apparatus is provided for beam index color cathode-ray tubes of the type having a screen, an electron gun for projecting an electron beam upon the screen, a plurality of index elements positioned to be struck by the ele... | 07/28/1981 |
| 4280134 | Beam index color television receiver apparatus Apparatus for controlling the electron beam in a beam index color television receiver of the type having a cathode ray tube whose display screen is provided with beam-excitable color elements and index elements which are scanned by the beam. The apparatus... | 07/21/1981 |
| 4268856 | Beam index color television receiver In a beam index color television receiver having the screen of its color cathode ray tube provided with color phosphor elements and index elements adapted to be excited by an electron beam as the latter scans the screen, and in which index signals, result... | 05/19/1981 |
| 4268857 | Beam index color television receiver apparatus In a beam index color television receiver of the type having a cathode ray tube which is provided with beam-excitable color elements and index elements disposed on a display screen of the cathode ray tube and which are scanned by an electron beam; color s... | 05/19/1981 |
| 4247869 | Method and apparatus for improving resolution and linearity in a beam-index display system A beam-index display system wherein a control signal representative of the position of an electron beam within a beam-index cathode-ray tube is employed to control concurrently both the generation and selection of video drive signals for transmission to t... | 01/27/1981 |
| 4225880 | Energy-efficient beam-index displays with programmable power supplies Programmable power supplies are made responsive to beam-index and timing signals in order to automatically control the size and position of the display on a cathode ray tube. The high voltage power supply is also made programmable, responsive to video sig... | 09/30/1980 |
| 4159484 | Multi-color, single gun, single grid/cathode beam index CRT display system A multi-color display system employing a raster-scanned cathode ray tube having a single gun, single beam and without shadow mask. Vertical color stripe phosphor triads are carried on the face of the tube. During a predetermined one or ones of non-viewed ... | 06/26/1979 |
| 3977022 | Cathode-ray tube image presentation system of the indexing type and timing system useful therewith A color television image presentation cathode-ray tube with running indexing elements as the beam scans horizontally across the stripes, an index signal is produced representative of beam position with respect to the different colored stripes. The minimum... | 08/24/1976 |
| 3967315 | Beam-index color television displays Beam-index line-screen television display systems are disclosed for generating multi-color images throughout the size range from small direct view cathode ray tubes to projection type wall screen configurations. The image in the small screen display is ge... | 06/29/1976 |
