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8796932 Microscale digital vacuum electronic gates  
Systems and methods in accordance with embodiments of the invention implement microscale digital vacuum electronic gates. In one embodiment, a microscale digital vacuum electronic gate includes: a...
7330210 Method and apparatus for repairing a vidicon camera  
A method and apparatus is provided for repairing damage to a vidicon camera where the damage is indicated on a video display. The damaged photosensitive target of the video camera is illuminated...
7212287 Providing optical feedback on light color  
Optical feedback for controlling color of light from a light source is provided. Incident optical energy of the light is detected as a function of discrete steps of wavelength. For each discrete...
7098434 Method for extracting measuring signals from a multi-channel photomultipier and corresponding circuit  
The invention relates to a method for extracting measuring signals from a multi-channel photomultiplier, characterised by the following steps: a measuring signal which is integral for the channels...
7059486 Plastic container with rounded shoulders  
A plastic container for the storage and transport of liquids, particularly aggressive liquids, comprising a practically rectangular bottom, a top wall with a filling or pouring hole, and standing...
6987362 CRT display apparatus and control method thereof  
A CRT display apparatus having an FBT amplifying an inputted voltage and outputting the amplified voltage to an anode of a CRT, a vertical regulator to regulate a V-size of a screen, and a...
6744185 Beam-index-type cathode ray tube  
A beam-index-type cathode ray tube includes a vacuum tube defined by a panel and a funnel having a neck; a phosphor screen provided with index stripes to provide color selection, the phosphor...
6545435 Cathode ray tube and signal detecting method in cathode ray tube  
A capacitor for outputting a reference signal is formed by using a part of an envelope. A reference signal according to an anode voltage is output from the capacitor for outputting a reference...
6456019 Real time measurement of leakage current in high voltage electron guns  
A method and a apparatus are provided for operating an E-beam system including an E-beam source for generating an E-beam directed along a column axis and an electrode aligned with the column axis...
6417633 Tracking cathode ray tube circuit having a modulator demodulator  
A tracking index cathode ray tube circuit includes a tracking circuit connected to a shadowmaskless tracking cathode ray tube for deriving a tracking signal therefrom. The tracking circuit...
6304034 Cathode ray tube and image correcting method  
With the cathode ray tube and image correcting method of the invention, inside the cathode ray tube, an index electrode for outputting an electric detection signal according to an incidence of...
6294885 Beam index type color cathode ray tube  
Disclosed is a display device having a beam index type color CRT that includes an index signal controller for controlling input and output of index signals, an index memory for temporally saving...
5977711 Method and system for optimizing cathode output for aging a cathode ray tube during manufacture  
The present invention relates to a method and system for optimizing the output of at least two electron guns in a cathode ray tube for aging the cathode ray tube during manufacture. The system...
5959414 Moire reducing apparatus  
Scanning lines are automatically shifted by using a test signal for detecting a screen display height, a detector which detects information of the screen display height from the test signal, a...
5801496 Color cathode ray tube display device and method of adjusting color purity in the display device  
A color cathode ray tube display device has a cathode ray tube 1, a convergence purity assembly 10 mounted on a neck portion 29 of the tube 1 at a position behind a deflection yoke 8, a two pole...
5694003 Plural gun color CRT with inclined index phosphor layers  
A color cathode-ray tube comprises a phosphor screen formed on an inner surface of a face plate and having a plurality of three-color phosphor layers. A plurality of first index phosphor layers...
5661608 Light box for optical valve  
A system of retro-illumination for optical valves integrated into a system of projection is constituted by a plane array of slotted fluorescent tubes, parallel to one another, associated with a...
5432404 Apparatus for detecting a geometric distortion of an image on a display device  
For the purpose of detecting a geometric distortion of an image on a screen of a CRT display device, i.e., the deviation of the positional coordinates at a high speed and with a high accuracy, the...
5414330 Cathode ray tube control apparatus  
A cathode ray tube control apparatus includes phosphor display screen, three electron guns for emitting R, G, B electron beams to the display screen, a shadow mask placed between the electron guns...
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...
5343119 Index type CRT having a photosensor with a function of amplifier  
A display device includes a beam index type cathode ray tube having a fluorescent screen on which red, green and blue fluorescent materials are formed in strip configurations and further index...
5334911 Apparatus for and method of measuring beam spot luminescence distribution  
The invention relates to a method and a device for measuring a luminescence distribution within a beam spot of an electron beam irradiated on a tube surface of a color cathode ray tube. The...
5270818 Arrangement for automatically controlling brightness of cockpit displays  
An automatic brightness control provides automatic compensation for the effects of ambient light on a display. A microprocessor interfaced to ambient light sensors, pilot selected brightness...
5268615 Device for the [servo-] control of the cut-off voltage of a cathode-ray tube by measurement of luminance  
The disclosure relates to cathode-ray tubes that have to be used at a low level of luminance. A zone of the screen of the tube is covered with a luminophore of high sensitivity and is associated...
5266872 Device for the dual loop servo-control of the cut-off voltage of a cathode-ray tube  
The disclosure relates to cathode-ray tubes that have to be used at a low level of luminance. The cut-off voltage of the tube is modified by using two servo-control loops, the first one as a...
5237246 Process and device for adjusting pictures  
A system for adjusting the position and size of a picture generated by deflecting a light source in response to a deflection current and displayed in a picture area larger than the picture...
5179314 Non-sequential raster scanning apparatus and method  
A cathode ray tube non-sequential raster scanning method maintains a more uniform screen luminescence. This raster scanning method scans and stores electrical signals representing the locations of...
5111110 Method of determining a display parameter in a picture display tube and method of improving a picture display in a picture display tube  
A method of determining display parameters of an electron beam picture tube. An image pattern is produced on the display screen of the tube by frequency modulating the electron beam. The frequency...
5057744 System for the display of luminous data with improved readability  
A luminous data display system is used to improve readability depending on fluctuations in the light environment. It has automatic means to adjust the luminance of the image produced on a screen....
5036251 Device for controlling image pattern of a computer-controlled television  
There is disclosed a device for automatically controlling image pattern of a computer-controlled television by feeding back the image pattern displayed on the CRT screen by means of the video...
5021720 Display apparatus of the cathode ray tube type  
A display apparatus of the CRT type displays information by use of a magnetic field. In this apparatus, a deviation amount of the image displayed on the CRT display screen from a reference...
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...
4823045 Picture taking tube having a bias light device  
A picture taking tube is provided having a bias light device, said device being formed by a diffuser and a ring of light emitting diodes, which are placed about the glass vacuum enclosure of the...
4814669 Method of determining the position of an electron beam in a shadow mask display tube  
A fast method of determining the position of an electron beam in a shadow mask display tube and has particular application to measuring the convergence of electron beams in color display tubes. A...
4749907 Method and apparatus for automatically calibrating a graticuled cathode ray tube  
A method and apparatus for automatically calibrating the deflection of an electron beam in a graticuled cathode ray tube. The apparatus includes a microprocessor and digital-to-analog converter...
4742397 System and method for adjusting image brightness in electronic printer  
A system and method for displaying an image for photographic reproduction operates to calibrate the brightness of the image display prior to each photographic reproduction in a manner that...
4704558 Method and apparatus for automatic oscilloscope calibration  
A beam detection apparatus for sensing the position of an electron beam within a cathode ray tube is disclosed. The apparatus includes a photodetector for optically detecting the intersections of...
4698558 Image pickup apparatus  
Control circuit for use with an image pickup tube permits highlights of an image to be scanned appropriately by a scanning electron beam by increasing the beam current fed to the cathode of the...
4694220 High-speed frame pick-up camera  
Electronic high-speed frame pick-up cameras for instantaneously or successively picking up an image of an object being observed while the structure and birghtness thereof are being changed at high...
4694221 Device for the restitution and/or analyzing of color images using line-type fiber optics cathode ray tube  
A device for the restitution and/or analyzing (digitalizing) of color images on an image carrier, comprising a cathode ray tube with a line screen, an assembly of optical fibers fixed on the front...
4677340 Method and apparatus for calibrating deflection in an oscilloscope  
The cathode-ray-tube beam deflection of an oscilloscope is automatically calibrated by photoelectrically detecting the intersection of the tube's electron beam with visible graticule lines on the...
4642529 Apparatus and method for measuring linewidth and convergence in a color cathode ray tube display system  
Apparatus for providing precise convergence measurements of electron beams in a CRT display by sensing the displacement of brightness peaks as an array of phosphorescent regions are sequentially...
4617495 Autoconvergence of a cathode ray tube using a semiconductor detector  
A CRT calibration system is provided having a CRT with a display screen, an electron gun system, and a plurality of feedback elements. Each feedback element has an active area disposed proximately...
4607288 Television receiver with an automatic digital alignment system  
In a television receiver, a circuit is provided which automatically controls the focus voltage of the picture tube. The circuit uses a sensor to obtain focusing information from the picture tube...
4602272 Electron beam intensity profile measuring system and method  
A system for measuring the intensity profiles of the electron beams of color kinescopes includes a camera having a CCD. A color field is placed on the kinescope screen and a pixel in the center of...
4551653 Production of correction signals in a color CRT system  
A color cathode ray tube display device which is compensated for color distortion due to, e.g. vibration, comprises means (9-12) for producing signals representing the respective color light...
4471270 Particle-impact localizing device, a cathode-ray oscilloscope and a pick-up tube comprising such a device  
This device comprises several charge-transfer shift registers integrated on the same semiconductor substrate and disposed one above the other along the axis Oy. The charge-transfer electrodes are...
4459512 Cathode-ray display tube for color printers  
A cathode-ray display tube for color printers has a phosphor screen comprises a blue-emitting phosphor having a maximum ability of color emission in the range of wavelengths of 480 mμ and below...
4412128 Automatic brightness control circuit for a high voltage electrical power supply  
A series regulated power supply arrangement for an image intensifier tube, comprises an oscillator circuit, a high voltage multiplier and an automatic brightness control (ABC) circuit. The ABC...
4398132 Electron beam current stabilizing device  
Disclosed is an electron beam current stabilizing device comprising a sensing element (12) responsive to the beam current deviation from the predetermined value, a saw-tooth voltage shaper (14)...