Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7093732 | CRT funnel with positioning reference portions Upper end edges (7a, 7b, 7c) of positioning reference portions (5a, 5b, 5c) to be formed on outer walls of a funnel (1) for cathode ray tube are formed at distances (downwardl... | 08/22/2006 |
| 6680567 | Glass bulb for a cathode ray tube and cathode ray tube When a face portion 4 of a panel portion 1 has a central wall thickness of TC, an end of a useful screen area has a wall thickness of TL, a sealing end surface of a skirt portion has is a width of TS, and an intermediate p... | 01/20/2004 |
| 6680565 | Cathode-ray tube A cathode ray tube includes a faceplate panel having a substantially flat exterior surface and a substantially concave interior surface having a phosphor screen, and a shadow mask behind the faceplate panel wherein the panel satisfies the following condit... | 01/20/2004 |
| 6677702 | Flat type color cathode ray tube Disclosed is a flat type color cathode ray tube of high quality, which is capable of maintaining a brightness and brightness uniformity of an image while improving contrast, thereby ensuring flatness and visual distinction of the image. The flat type colo... | 01/13/2004 |
| 6667570 | Structure of panel in flat-type CRT Disclosed is a structure of panel in flat-type CRT (Cathode Ray Tube), which is capable of securing a stable vacuum intensity by applying sufficient tension to a face part of a panel using a straight safety band, and of effectively reducing an advance of ... | 12/23/2003 |
| 6657374 | Cathode ray tube A cathode ray tube including a portion whose thickness becomes where D is a diagonal axis length [mm] between rectangular corner portions of an effective screen of a panel, and t1 is a thickness [mm] at positions which occupy 75% of a length of a body portion ... | 12/02/2003 |
| 6653773 | Cathode ray tube having enhanced electron beam deflection efficiency A cathode ray tube with a central axis includes a panel with an inner phosphor screen and a rear portion. A funnel is connected to the rear portion of the panel. The funnel sequentially has a body with a large-sized end and a small-sized end, and a cone p... | 11/25/2003 |
| 6639347 | Color cathode ray tube In a color cathode ray tube, a rectangular panel has a slightly convex outer face with a large radius of outward curvature so as to be almost flat and a concave inner face which satisfies the conditions 0.98 | 10/28/2003 |
| 6628062 | CRT panel having specified inner surface arc curvatures Color CRT panel including an outside surface substantially flat, and an inside surface with a desired curvature, wherein an inside surface curvature structure of the panel consists of arc curvatures having a long axis direction radius Rx of curvature and ... | 09/30/2003 |
| 6614164 | CRT with neck and stem weld and method for manufacturing the same A cathode-ray tube includes a glass envelope having a panel with an inner surface formed with a phosphor screen, and a cylindrical neck extending substantially coaxially with a tube axis. An electron gun is arranged in the neck, and a stem is welded to an... | 09/02/2003 |
| 6605891 | Cathode ray tube In a cathode ray tube of the present invention, the shape 20 of an outer wall opening and the shape 21 of an inner wall opening in a direction perpendicular to a tube axis within a range which extends 35 mm to the panel portion side and 20 mm to the neck ... | 08/12/2003 |
| 6600253 | Laterally spaced multiple electron gun color cathode ray tube device A cathode ray tube device in which two deflection yokes and two electron guns are used, but in which only one shadow mask is used. Image uniformity is obtained by creating a partial overlap of the two images created by the two yokes.... | 07/29/2003 |
| 6597097 | Cathode ray tube having panel with improved tensile stress There is provided a cathode-ray tube including an envelope having a neck, a funnel and a panel fused to the funnel by using frit glass, the outside of the panel being near flat, the inside of the panel having a predetermined curvature, in which 1.7ࣘT2/T... | 07/22/2003 |
| 6580209 | Glass funnel for a cathode ray tube having outwardly protruding portion surrounding the yoke A glass funnel for a cathode ray tube in which the asymmetry in shape of the body portion is relaxed to reduce stress whereby an increase of the weight can be suppressed and the dimension in a direction of the depth can be shortened. A portion of the body... | 06/17/2003 |
| 6577055 | Glass funnel having arch-like ridge portions and cathode ray tube using same A glass funnel for a cathode ray tube capable of increasing the rigidity of a body portion having a rectangular-shaped open end portion and reducing the weight of the glass funnel wherein on at least a long side of the body portion, arched face portions a... | 06/10/2003 |
| 6566802 | Structure of panel for flat type cathode ray tube A structure of a panel for a flat type cathode ray tube having an outer panel surface approximating a completely flat surface and an inner panel surface with a radius of curvature is provided. A difference between a panel thickness at a central part of th... | 05/20/2003 |
| 6555953 | Flat face type color cathode ray tube having panel with curved inner surface A color cathode ray tube of the present invention includes an evacuated envelop that is structured from a panel having a phosphor screen on its inner surface, a neck portion containing therein an electron gun assembly, and a cone-shaped section called the... | 04/29/2003 |
| 6552483 | Cathode-ray tube having improved yoke mounting part The disclosed cathode-ray tube has a pyramidal yoke mounting part defined to extend from a joint with the neck to at least the end of a deflection yoke on the side of the screen, the yoke mounting part including: an inside profile having a form protruding... | 04/22/2003 |
| 6534909 | Implosion protection band for color cathode ray tube Implosion protection band for color cathode ray tube having a panel with a wedge ratio of 1.1~1.8 and a substantially flat outer surface, wherein the implosion protection band is strapped around an outer circumference of the panel to satisfy a condition o... | 03/18/2003 |
| 6509683 | Implosion proof panel in cathode ray tube A panel structure for a Braun tube is described satisfying the following conditions: Rdo/(USDd×1.767)ࣙ35 and 0.7ࣘ(MMLHd/OAH)ࣘ0.9, wherein Rdo denotes a radius of curvature of a panel in a cathode ray tube, USDd denotes a length of the effective surface ... | 01/21/2003 |
| 6495951 | Cathode-ray tube with enhanced yoke mounting structure The disclosed cathode-ray tube has a panel provided with a fluorescent screen on an inner surface thereof, a funnel joined to the panel, a neck joined to the funnel and provided with electron guns facing the fluorescent screen, and a pyramidal yolk mounti... | 12/17/2002 |
| 6459196 | Cathode-ray tube A faceplate panel for a cathode ray tube includes an exterior surface having a substantially flat shape, and an interior surface having a concave shape. The interior surface curves in a direction toward the flat exterior surface with a diagonal curvature ... | 10/01/2002 |
| 6417613 | Cathode ray tube glass panel In a glass panel for cathode ray tube of which effective screen diameter D along the diagonal axis of the glass panel is more than or equal to 500 mm, and average radius of curvature of an outer surface of a face portion 11 is more than or equal to 10,000... | 07/09/2002 |
| 6407496 | Cathode ray tube A cathode ray tube includes a panel having a substantially flat outer surface and an inner curved surface with a phosphor screen. The panel has a substantially rectangular effective screen portion with two long sides parallel to each other, two short side... | 06/18/2002 |
| 6404121 | Explosion-proof tape for cathode-ray tube and explosion-proof structure thereof An explosion-proof tape is wound on an outer circumference of a panel portion of a cathode-ray tube and a metal band is shrink-fitted on the tape. The tape is composed of a support having at least a layer composed of propylene polymer with a propylene con... | 06/11/2002 |
| 6396204 | Cathode ray tube with enhanced beam deflection efficiency and minimized deflection power A cathode ray tube includes a panel with an inner phosphor screen and a rear portion. A funnel is connected to the rear portion of the panel. The funnel is sequentially provided with a body having a large-sized end and a small-sized end, and a cone portio... | 05/28/2002 |
| 6392336 | Glass funnel for a cathode ray tube and cathode ray tube Stress concentration that causes at a central portion of side surfaces of a glass funnel body portion close to a sealed portion is restrained by providing concaves in diagonal portions of the glass funnel body portion, which have the highest rigidity.... | 05/21/2002 |
| 6387833 | Sealing composition A sealing composition having at least one member from -4PbO.B2 O3 crystal powder and Pb3 O4 powder incorporated in a total amount of from 0.0001 to 3 parts by weight to 100 parts by weight of a compositio... | 05/14/2002 |
| 6380668 | Cathode ray tube A cathode ray tube includes a panel having an inner phosphor screen, and a funnel having a panel sealing side, a cone portion and a neck sealing side. The panel sealing side of the funnel is sealed to the panel at a phosphor screen-side. A deflection yoke... | 04/30/2002 |
| 6373183 | Funnel having vertically long neck portion A funnel for a cathode ray tube, and a cathode ray tube including the funnel are provided. The funnel includes a neck portion whose cross section is vertically long, a first cone portion which extends from the neck portion such that the cross section is v... | 04/16/2002 |
| 6359379 | Cathode ray tube having funnel with flute sections Disclosed is a cathode ray tube comprised of a funnel with flute sections wherein the Beam Shadow Neck phenomenon can be prevented while at the same time ensuring adequate structural strength to prevent collapse due to an internal vacuum. These optimum fl... | 03/19/2002 |
| 6342760 | Color cathode ray tube having reinforcing band arranged in a particular position relative to the position of stud pin A color cathode ray tube having a reinforcing band, which constricts the outer periphery of a skirt portion of a vacuum envelope, arranged so as to fulfill a relation, bࣙ2.0a, where a is the distance between first and second planes along a tube axis, th... | 01/29/2002 |
| 6338416 | Glass bulb for a cathode ray tube and a method for producing a cathode ray tube Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the... | 01/15/2002 |
| 6337535 | Panel in cathode ray tube Panel in a cathode ray tube having a flat outside and a curved inside surfaces, which can provide a perfect flat image at an appropriate distance of view, wherein a condition of 2.48×106 (mm2)ࣘR×CFTࣘ4.38×106 (mm | 01/08/2002 |
| 6333594 | Color cathode ray tube having particular effective inner panel surface and shadow mask effective surface shapes Provided is a color cathode ray tube, which comprises a panel including a substantially rectangular effective portion, of which the outer surface is a flat surface or a slightly curved surface, and a shadow mask having an effective surface opposite the in... | 12/25/2001 |
| 6268692 | Cathode ray tube with contoured envelope A vacuum envelope of a cathode ray tube includes a rectangular panel having an inner surface where a substantially rectangular phosphor screen is formed, a neck in which an electron gun is provided, and a funnel connected between the panel and the neck. T... | 07/31/2001 |
| 6236151 | Glass panel for an implosion-protected type cathode ray tube A glass panel for an implosion-protected type cathode ray tube is provided with a compressive stress of 7 MPa-30 MPa in an outer surface of a face portion and a relation of Rbࣙ0.017D+4.0 between the radius of curvature Rb of an out... | 05/22/2001 |
| 6232712 | Cathode ray tube having specific thickness ratio A cathode ray tube includes a panel having a substantially flat outer surface and an inner curved surface with a phosphor screen. The panel has a substantially rectangular effective screen portion with two long sides parallel to each other, two short side... | 05/15/2001 |
| 6227394 | Glass bulb for a cathode ray tube and a method for producing a cathode ray tube Manufacturing steps for a cathode ray tube or a glass bulb for the cathode ray tube are controlled in such a manner that a two-dimensional matrix code 3 comprised of a plurality of dots is marked by laser in an outer side surface of a glass bulb 1, 5, the... | 05/08/2001 |
| 6160344 | Cathode-ray tube A faceplate panel for a cathode ray tube includes an exterior surface having a substantially flat shape, and an interior surface having a concave shape. The interior surface curves in a direction toward the flat exterior surface with a curvature radius R | 12/12/2000 |
