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| Number | Title | Issue Date |
| 7471894 | Manufacturing method of color cathode ray tube A correction filter used in the exposure for forming a phosphor screen includes three kinds of correction filters consisting of a grading filter, a monochroic local correction filter and a multi-color local correction filter. With the use of three kinds of correctio... | 12/30/2008 |
| 7450842 | Manufacturing method of color cathode ray tube In an exposure step for forming a phosphor screen of a color cathode ray tube, correction lenses which are arranged between a light source and a panel are used in a state that a common correction lens which is used in common for three colors and three kinds of monoc... | 11/11/2008 |
| 7286703 | Image correction apparatus, method and program An identification-data memory is connected to a light-source identifying circuit. Data representing a type of characteristic quantity to be used in making an identification and identification points are stored in the identification-data memory with regard to each ty... | 10/23/2007 |
| 7088918 | Mounting device for a camera with automatic exposure mode to an optical system A mounting device for a camera with automatic exposure mode to an optical system is disclosed. An adapter tube has a first and a second end, wherein the first end is attached to the camera and the second end is attached to the optical system. A mounting element, pro... | 08/08/2006 |
| 7042660 | Lens barrel holding apparatus, lens barrel and camera system A lens barrel holding apparatus includes a first holding member, a second holding member attached to the first holding member in an openable/closable manner for fastening a lens barrel in cooperation with the first holding member to hold the lens barrel and a fasten... | 05/09/2006 |
| 6469842 | Apparatus for patterning a phosphor screen, having a main lens with flat elements replaceable by sub-lenses An apparatus for patterning a phosphor screen on the faceplate of a cathode-ray tube has a main lens that refracts light to simulate electron-beam trajectories. The main lens includes a fixed lens with a curved surface, and at least one replaceable flat e... | 10/22/2002 |
| 6447963 | Method of making a light quantity correction filter and method of manufacturing a color cathode ray tube using the light quantity correction filter made by the method A light quantity correction filter that can implement the desired transmittance distribution precisely and easily without complicating an exposure system, a method of making the light quantity correction filter, and a method of manufacturing a color catho... | 09/10/2002 |
| 6421507 | Method of producing a screen for a display device, screen for a display device produced by means of said method and display device provided with said screen A screen having a dotted structure of apertures in a black matrix and electroluminescent material in the apertures is produced on a panel for a color display device. A photosensitive material on the panel is exposed to light emitted by a point source. The... | 07/16/2002 |
| 6300021 | Bias shield and method of developing a latent charge image The invention includes an apparatus 40 for developing a latent charge image formed on a photoreceptor 36 disposed on an interior surface of a faceplate panel 12. The apparatus 40 comprises a developer tank 42 having a sidewall 44 closed at one end by a bo... | 10/09/2001 |
| 6013400 | Method of manufacturing a luminescent screen assembly for a cathode-ray tube The invention relates to a method of manufacturing a luminescent screen structure 22 with a light-absorbing matrix 23, having a plurality of substantially equally sized openings therein, on an inner surface of a CRT faceplate panel 12. A color selection e... | 01/11/2000 |
| 6007952 | Apparatus and method of developing a latent charge image The invention includes an apparatus 40, 140 for developing a latent charge image formed on a photoreceptor 36 disposed on an interior surface of a faceplate panel 12. The apparatus 40, 140 comprises a developer tank 42 having a sidewall 44 closed at one e... | 12/28/1999 |
| 5991554 | Exposure apparatus for manufacturing color cathode ray tube An exposure apparatus for exposing a phosphor screen of a cathode ray tube includes a light source portion having an elongate light source lamp and a shading member arranged to face the lamp. The shading member is formed with a slit through which a light ... | 11/23/1999 |
| 5976739 | Method and apparatus for developing screen of cathode ray tube A method of developing a screen of a cathode ray tube includes the steps of establishing an uniform electrostatic charge on selected areas of an inner surface of a panel with a predetermined pattern, rotating a nozzle to a predetermined angle with respect... | 11/02/1999 |
| 5946519 | Light source for forming phosphor elements on CRT display screen Apparatus for use as a lighthouse in the manufacture of a color cathode ray tube (CRT) includes a housing with a cover lens. Disposed within the housing is a light source assembly including a light source in the form of a cylindrical shaped mercury lamp a... | 08/31/1999 |
| 5876884 | Method of fabricating a flat-panel display device and an apparatus therefore An exposure process of a pattern on a transparent substrate of a plasma display panel is conducted on a flat principal surface of stage in which a depression is formed for accommodating an alignment optical source, wherein a movable shutter is provided on... | 03/02/1999 |
| 5844355 | Color cathode ray tube and method for manufacturing the same display screen for color A color cathode-ray tube having a good quality of display screen in which a fluorescent dot pattern is formed to have good configuration and positional accuracies. A method for manufacturing the display screen for the cathode-ray tube wherein a correction... | 12/01/1998 |
| 5822130 | Exposure equipment for display tube fabrication Light radiated from a light source is gathered by an oval mirror. The gathered light is incident on one end of a rod-shaped optical integrator, integrated and made uniform within the optical integrator, and is radiated from the other end of the optical in... | 10/13/1998 |
| 5807436 | Rotary electrostatic dusting apparatus and method A technique for uniformly depositing particles, especially phosphor particles, onto a display panel and an apparatus for carrying out this technique are set forth in this application. This technique relies on both electrostatically and pneumatically passi... | 09/15/1998 |
| 5790913 | Method and apparatus for manufacturing a color CRT In accordance with the present invention, a method for manufacturing a color CRT (10) having a faceplate panel (12) is disclosed. The method includes the steps of forming a photoreceptor (36) on an interior surface of a viewing faceplate (17); establishin... | 08/04/1998 |
| 5744270 | Coded marking on an interior surfaces of a CRT faceplate panel and method of making same The novel method for producing a coded marking on a CRT faceplate panel having an exterior and an interior surface with a viewing area surrounded by a periphery and having a luminescent screen with a plurality of different light-emitting phosphors separat... | 04/28/1998 |
| 5742864 | Exposure apparatus for use in the manufacture of color CRTs An exposure apparatus includes a light source a range gauge, which refracts the light emitted from the light source at a fixed angle and a filter gauge that projects the light passing through the range gauge in different amounts to the circumference and c... | 04/21/1998 |
| 5477285 | CRT developing apparatus In accordance with the present invention, an apparatus for developing a latent image formed on a photoreceptor, which is deposited on an interior surface of an output window of a display device, is disclosed. The developing apparatus includes a developing... | 12/19/1995 |
| 5309189 | Method for screening line screen slit mask color picture tubes The present invention is an improvement in a method of screening a line screen slit mask color picture tube that includes coating a faceplate panel of the tube with a photosensitive material, inserting a slit shadow mask into the panel and exposing the ph... | 05/03/1994 |
| 5270753 | Optical aperture device for manufacturing color cathode ray tubes An apertured member for use in a CRT screen manufacturing device, or lighthouse, is disclosed as being spaced from the light source and having a light-transmitting slot of approximately parabolic shape. The axis of the parabola which is perpendicular to t... | 12/14/1993 |
| 5221938 | Color cathode ray tube screen exposure apparatus This invention provides a color CRT screen exposing apparatus which collects light very effectively to make the most of the light for exposure and, more particularly, provides an improved exposing apparatus wherein the shape of light source can be easily ... | 06/22/1993 |
| 5179400 | Light source assembly for use in light exposing device of color cathode-ray tube A light source assembly for use in a light exposing device of a color cathode ray tube is disclosed. The device comprises a cabinet having a mount for mounting the panel of a color cathode ray tube, a light source assembly, a light correcting means and a ... | 01/12/1993 |
| 5122819 | Exposure device for color CRT manufacture and a compound corrective lens therefor A compound corrective lens for use in light exposure in the manufacture of color CRTs includes plurality of lens elements, each having an elementary surface, formed in combination a compound surface on the exit side of the lens, with steps formed at the b... | 06/16/1992 |
| 5030880 | Shadow mask for color cathode ray tube A shadow mask for a color cathode ray tube is disclosed. The shadow mask has pin cushion type apertures or drum type apertures mixed with slit type apertures. When the shadow mask is used as an exposing mask, the pin cushion type apertures may be provided... | 07/09/1991 |
| 5025166 | Exposure apparatus for color cathode ray tubes An exposure apparatus for color cathode ray tube having a single faceplate with a phosphor screen on an inner surface thereof comprises light source device including an initial light source for emitting ultraviolet light, exposure device including a base ... | 06/18/1991 |
| 5023157 | Method for the illumination of a color television mask tube screen, and device for implementation thereof The disclosure concerns the manufacture of mask type color television tubes. A diaphragm is used, for which the profile or aperture is modified during the operation for the uniform illumination of the vertical stripes of the screen during the different st... | 06/11/1991 |
| 5001026 | CRT screen exposure device and method The need for annealing the internal magnetic shield of a cathode ray tube to eliminate registration errors caused by non-uniformity of magnetic properties of the shield resulting from the forming process, is eliminated by using a shader plate with a conve... | 03/19/1991 |
| 4990417 | Method of manufacturing a cathode ray tube A method for forming a phosphor pattern on a panel of a cathode ray tube to prevent the peeling of a black matrix from the glass panel when treated with an inversion solvent which involves forming a protective film of a transparent photosensitive material... | 02/05/1991 |
| 4983995 | Exposure device for forming phosphor deposited screen in in-line cathode ray tube An in-line color cathode ray tube utilizing a finely perforated shadow mask is provided, which includes a highly evacuated envelope having an longitudinal axis and a funnel section which is closed at one end by a generally cylindrical neck section having ... | 01/08/1991 |
| 4841315 | Exposure apparatus An exposure apparatus of the present invention for forming a fluorescent screen over the inner surface of the panel of a color cathode ray tube has a drive device capable of automatically aligning a short-arc mercury-vapor lamp to hold the position of the... | 06/20/1989 |
| 4705357 | Shadow mask having aperture occlusion prevention means A component-in-process for use in the manufacture of a color cathode ray tube comprises a shadow mask having a pattern of minute apertures for color selection the mask according to the invention has disposed on at least one side thereof a removable film e... | 11/10/1987 |
| 4696879 | Method for exposing a color tri-cathode ray tube panel to form three separate color phosphor stripe patterns by exposure from three separate light source positions using combination of corrective lenses A method for constructing a color cathode ray tube wherein a light source is placed at a number of positions and exposures are made and a film on the inside surface of the panel is exposed to form prescribed stripe width patterns using the transmission li... | 09/29/1987 |
| 4668083 | Contact lithographic fabrication of patterns on large optics An apparatus and method for the generation of patterns on large optics. A coating layer is deposited on the surface of a large substrate, whereupon a photoresist layer is deposited on the coating layer in relatively small localized areas. A flexible mask ... | 05/26/1987 |
| 4630909 | Apparatus for measuring the position of a light source disposed inside a lighthouse Measuring apparatus for measuring the position of a light source inside a lighthouse as used in the manufacture of phosphor screens of color picture tubes comprises a base plate and two optical projection devices which are directed on to the light source,... | 12/23/1986 |
| 4623879 | System for verifying the position of a movable table A system for verifying the position of a moveable table within a narrow range includes a sensor which yields an output proportional to the travel of the moveable table. A comparator receives the output and provides an output pulse when the travel is withi... | 11/18/1986 |
| 4590137 | Method and apparatus for screening line screen slit mask color picture tubes The present invention is an improvement in a method and apparatus for screening a line screen slit mask color picture tube. Such method includes coating a faceplate panel of the tube with a photosensitive material, inserting a slit shadow mask into the pa... | 05/20/1986 |
