Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7439664 | Low consumption cathode structure for cathode ray tubes Cathode structure for cathode ray tube comprising an eyelet in two separate parts positioned such that one of the parts covers, in the longitudinal direction and at least partially, the second part. The two parts are linked to each other at the shouldered ends. ... | 10/21/2008 |
| 7411342 | Deflection unit for self-converging cathode-ray tubes with reduced trapezoid differential Electromagnetic deflection unit for colour cathode-ray tubes, including a pair of frame deflection coils and a pair of line deflection coils, at least one of these two pairs of coils having the shape of a saddle, each saddle-shaped deflection coil having a rear bund... | 08/12/2008 |
| 7276708 | Diagnostic resonant cavity for a charged particle accelerator Disclosed is a diagnostic resonant cavity for determining characteristics of a charged particle beam, such as an electron beam, produced in a charged particle accelerator. The cavity is based on resonant quadrupole-mode and higher order cavities. Enhanced shunt impe... | 10/02/2007 |
| 7030548 | Cathode-ray tube apparatus A prefocus lens section is formed by a second grid and a third grid in a substantially rotation-symmetric fashion. A sub-lens section is formed by the third grid and a first segment. A main lens section is formed by a fourth grid and a fifth grid. The third grid is ... | 04/18/2006 |
| 7015635 | Color cathode ray tube Disclosed is a color CRT capable of obtaining the safety for an explosion by setting a band force of a reinforcing band coupled to a flat panel to be optimum, wherein a ratio of an effective surface of the panel is 4:3 and a following condition 0.0426*U2... | 03/21/2006 |
| 6998767 | Projection tube having different neck diameters A projection tube having a high focusing performance at a low deflection power includes a funnel, a neck portion and a stem portion which seals the neck portion. The neck portion of the projection tube includes a first neck portion which is connected to the funnel a... | 02/14/2006 |
| 6970900 | Optical system for certain mathematical operations An optical system utilizing phosphors to perform mathematical operations without the direct or necessary use of an electronic component or electrical power source is disclosed. The luminenscent and quenching properties of phosphors are combined with at least one fir... | 11/29/2005 |
| 6933500 | Electron microscope An electron microscope is provided, which enables an observation with high resolution. The electron microscope is able to detect the deviation of an electron beam relative to the opening of a slit quantitatively, thereby shifting the electron beam accurately to the ... | 08/23/2005 |
| 6903502 | Inner shield for color cathode ray tube The invention relates to an inner shield for color cathode ray tube. The inner shield has two long side parts and two short side parts. Each of two long sides has an opening part which comprises an inclined part and an U-shape recessed edge. Otherwise, the opening p... | 06/07/2005 |
| 6812654 | Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tube The object of the present invention is to provide a field emission device that emits an electron beam bundle whose spot profile on a display screen has as little distortion as possible, and that maintains a stable electron emission property regardless of the length ... | 11/02/2004 |
| 6800993 | Flat CRT panel Flat CRT panel including a substantially flat outside surface, and an inside surface of a fixed curvature, wherein the inside surface of the panel is formed to meet a condition of {(Rh+Rv)/2}×Rd being in the range of 8.0-10.3, where “Rd” denotes a representativ... | 10/05/2004 |
| 6765343 | Funnel in cathode ray tube A funnel in a CRT includes a body part welded to a panel, a cone part connected to the body part having a deflection yoke fitted thereto, and a neck part connected to the cone part having an electron gun sealed therein. The cone part is formed such that ΔY/ΔX={YD-... | 07/20/2004 |
| 6720725 | Picture display device with reduced deflection power A picture display device comprising a cathode ray tube (1) with an elongated display screen (8) and a deflection system (9) is described. The deflection power is reduced by two means. The deflection system (9) is arranged to scan the line... | 04/13/2004 |
| 6690339 | Method and circuit arrangement for controlling the operating point of a cathode ray tube A method and a circuit arrangement for controlling the operating point of a cathode ray tube (3) for use in image technology applications. A video signal (1) is supplied to both the tube (3) and to a cathode ray tube model (2), which the model (2) uses to... | 02/10/2004 |
| 6614151 | Method and apparatus for deflecting and focusing a charged particle stream A method and apparatus is disclosed for electrostatic deflection and focusing of a charged particle stream. The apparatus can include plural vertical and horizontal deflection plates, although a single vertical and a single horizontal deflection plate eac... | 09/02/2003 |
| 6597099 | Glass bulb for cathode-ray tube With respect to a highly flat glass bulb for cathode ray tube having an effective screen diameter along a diagonal axis of a glass panel 10 of more than or equal to 500 mm, and an average radius of curvature of an outer surface of a face portion of more t... | 07/22/2003 |
| 6593685 | Color cathode ray tube Color cathode ray tube including a panel in front portion of the cathode ray tube, and a shadow mask spaced from, and fitted to rear of the panel for selecting a color from electron beams, wherein at least one of an inside surface of the panel and the sha... | 07/15/2003 |
| 6501212 | Method of insulating stem pins of a cathode ray tube A method of insulating a cathode ray tube and an electrical insulator composition for a cathode ray tube enabling an electrical insulator to be produced without material loss and enabling improvement of the bonding strength between a stem and a stem base ... | 12/31/2002 |
| 6489734 | Cathode ray tube device A cathode ray tube device includes: a cathode ray tube with an envelope including a panel having a phosphor screen on its inner face and a funnel having a neck portion including an electron gun; and a deflection unit disposed around an outer face of the f... | 12/03/2002 |
| 6259206 | Cathode ray tube A cathode ray tube having an evacuated envelope including a panel section having a front face portion including a sloped sidewall, the sloped sidewall and an outer periphery portion being joined at mold match line, a neck containing therein an electron gu... | 07/10/2001 |
| 6232709 | Method and apparatus for deflecting and focusing a charged particle stream A method and apparatus is disclosed for electrostatic deflection and focusing of a charged particle stream. The apparatus can include plural vertical and horizontal deflection plates, although a single vertical and a single horizontal deflection plate eac... | 05/15/2001 |
| 6183871 | Sealing glass paste for cathode ray tubes A sealing glass paste which comprises at least one sealing glass frit powder and an aqueous binder which comprises an aqueous solution, dispersion or emulsion of a polymeric material and a water soluble oxidant which decomposes at a temperature of below 4... | 02/06/2001 |
| 6157125 | Conductive anti-reflection film A second film that contains a substance that secures the conductivity of conductive particles is formed on a first film that contains the conductive particles. The first film and the second film are sintered at the same time. Thus, a conductive anti-refle... | 12/05/2000 |
| 6150760 | Cathode ray tube An implosion protection-enhanced cathode ray tube (CRT) includes an evacuated envelope structured from a display panel section, a neck, and a funnel section. The CRT comes with a reinforcing metal band for implosion protection clamped by thermal shrink-fi... | 11/21/2000 |
| 6104194 | Method of detecting secondary electron charge in a cathode ray tube In a method for determining whether electronic charge has been accumulated on the inner surface of a cathode ray tube (10), at least one electron beam is generated within the cathode ray tube and is deflected so that it hits the inner surface of the funne... | 08/15/2000 |
| 5859494 | Process for manufacture of color cathode-ray tube The present invention relates to a process for manufacture of color cathode-ray tube for preventing the deterioration of color purity of red phosphor while enhancing the brightness and the contrast of color cathode-ray tube, which comprises steps of formi... | 01/12/1999 |
| 5825435 | Color cathrode ray tube and display device By selecting the number of apertures per vertical row in the shadow mask of a color cathode ray tube to be in the range between 615 and 650, such a cathode ray tube can be used both in a PAL, an NTSC system and a MUSE system without the occurrence of dist... | 10/20/1998 |
| 5793448 | Cathode ray tube packages A cathode ray tube package includes a cathode ray tube assembly and a housing assembly including a deflection coil and/or at least one focus coil. The cathode ray tube assembly includes a collar (31) aligned with the electron beam, being arranged to mate ... | 08/11/1998 |
| 5726533 | Cathode ray tube having an input resonator cavity The invention relates to a cathode ray tube having an input resonator cavity which includes a first metal wall (2) and, spaced apart therefrom, a second metal wall (3) each conveying a low electric potential and constituting coupling areas (6, 7) at axial... | 03/10/1998 |
| 5643674 | Luminescent materials prepared by coating luminescent compositions onto substrate particles The present invention relates to a novel cost efficient luminescent composition comprising particles of a core material which have been coated with a luminescent material that is distributed in the form of a chemically homogeneous layer. The average diame... | 07/01/1997 |
| 5606377 | CRT having an implosion protection band with brackets The invention relates to an implosion protection band 26, 126 for a CRT having a plurality of brackets 40, 70, 140 that are disposed between the band and a sidewall 3 of the CRT 1 and detachably attached to the implosion protection band to support either ... | 02/25/1997 |
| 5602443 | Cathode-ray tube A thin flat cathode-ray tube can optimize stress which is generated in each part also when its screen size is increased and maintains high reliability particularly in connection strength in a joint portion between a front glass vessel and a back metal ves... | 02/11/1997 |
| 5598053 | LCD-CRT hybrid image tube An LCD projection system, located within a standard color CRT, is used to oject toward the screen decay stimulation patterns that vary dynamically from one frame to the next for each pixel based on the video signals received from external sources. This co... | 01/28/1997 |
| 5565731 | Cathode ray tube Disclosure is related to a cathode ray tube including a panel forming a fluorescent layer therein, and a funnel connected to a panel and including an electron gun and a deflection yoke mounted inside and near the neck portion thereof, respectively, which ... | 10/15/1996 |
| 5506476 | Field emission cathode A field emission cathode includes first and second cathode layers having respective projections and disposed on the surface of a substrate. An insulating layer having an opening and disposed on the surface of the cathode layer surrounds the projections. A... | 04/09/1996 |
| 5485005 | Cooled x-ray sensitive photoconductor An improved X-ray and gamma ray sensitive Vidicon tube having a photoconductor deposited substrate cooled by means of an internal thermoelectric coolers and a heat sink. The cooled photoconductor has a higher resistivity and lower conductivity and hence t... | 01/16/1996 |
| 5418070 | Tri-layer impregnated cathode An impregnated cathode comprising three layers: a very thin emitting surface layer of metal such as an alloy of tungsten with a high fraction of an activating metal of the platinum group to provide low workfunction; an underlying, thin buffer layer of por... | 05/23/1995 |
| 5045751 | Cathode ray tube of improved breakdown voltage characteristic A cathode ray tube has an insulating layer formed at at least a part of the outer surface of a neck tube. The insulating layer is a layer obtained by coating and baking a sol prepared by dispersing one or two or more metal alkoxides and metal salts in a h... | 09/03/1991 |
| 5010275 | Electron tube device and electron tube An electron tube device comprising an electron tube having a line cathode, and an electric power source for supplying power pulses to the line cathode. The electron tube device comprises determination means for determining, during a power pulse, the value... | 04/23/1991 |
| 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 |
