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WO/2002/051760A1 |
The invention concerns a glass substrate comprising embossed glass elements (20) on part of its surface, characterised in that the glass elements (20) are intrinsically incorporated to the substrate. Said substrate is advantageously used...
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WO/2002/052606A1 |
Deflector for cathode-ray tube comprising a pair of horizontal deflection coils (3) and a pair of vertical deflection coils (4), the two pairs being in the shape of a saddle and isolated one from the other by a separator (2), a frustocon...
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WO/2002/052603A2 |
The invention is a color cathode-ray tube (10) comprising a focus mask (25) having a plurality of spaced-apart first conductive strands (40). Each of the first conductive strands has a substantially continous insulating material layer (6...
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WO/2002/052604A2 |
A display device comprising a deflection unit and a cathode ray tube having an in-line electron gun. The electron gun comprises a main lens portion having means for generating a main lens field and an auxiliary field. Furthermore, the el...
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WO/2002/052599A1 |
A cathode electrode (cathode structure) capable of reducing an electron beam spot diameter and a cathode drive voltage, and ensuring an extended stabilization of a cathode current. A cathode electrode which is formed with a non-electron-...
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WO/2002/050858A1 |
A semiconductor photocathode comprising a light absorbing layer (2) having a thickness (t2) of 0.2 $g(m)m to 0.19 $g(m)m. By limiting the thickness of the light absorbing layer (2), the part of lower electron density in one electron grou...
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WO/2002/050577A1 |
A reflection reducing coating allowing a durability represented by wear resistance to be compatible with a reflection reducing function, comprising a binder layer and a plurality of particulates, wherein the inside porosity of the binder...
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WO/2002/050860A1 |
A color display device comprises an electron gun, a display screen and a flat color selection electrode as well as a deflection means. The distance between the electron beams is dynamically varied, whereby the distance in the deflection ...
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WO/2002/050861A2 |
Picture display device comprising a cathode ray tube of the index type having a pattern of electrodes (16, 17), comprising a central part and a peripheral part. During operation an index signal is produced. The device has means (34) for ...
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WO/2002/050859A2 |
An apparatus (300) for maintaining tension in a shadow mask (30) of a cathode ray tube. The apparatus includes affixing the shadow mask to a pair of triboxes (310) disposed along opposite sides (36 and 38) of a mask frame (306) at a pred...
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WO/2002/050862A2 |
A method and apparatus of maintaining spacing between tension focus mask strands (44) in a tension focus mask (30) in a cathode ray tube (10). The method of making the tension focus mask includes steps of providing a mask frame (306) hav...
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WO/2002/049061A2 |
The present invention relates to a getter placement and attachment assembly (54) for securing and placement of a getter (58) along the major axis of a CRT (10). The getter placement and attachment assembly includes a getter spring (56) f...
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WO2000068732A9 |
A display (50) with enhanced image contrast contains an image-producing component (60) and a set of shutter strips (80). The image-producing component, typically a flat-panel device, has multiple imaging lines that provide light to produ...
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WO/2002/049062A2 |
The present invention relates to an implosion prevention band (30) for a CRT (10). The CRT comprises an evacuated envelope (12) having a mask (35) and corresponding faceplate panel (14) with sidewalls (26) joined to a funnel (18). The fa...
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WO/2002/049060A2 |
Single beam color CRT of the beam tracking type having a display screen comprising a plurality of parallel phosphor lines, the CRT being equipped with a Distributed Main Lens type electron gun. The distributed main lens has a plurality o...
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WO/2002/049064A1 |
A display tube for joint-type large screen includes an electron gun, a panel and a glass funnel. The panel is composed of a flat glass plate and a metal skirt. On the inner surface of the flat glass plate, a plurality of columns and a pl...
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WO/2002/049063A2 |
A color cathode-ray tube (CRT) (10) having an evacuated envelope (11) with an electron gun (26) therein for generating an electron beam (28) is disclosed. The envelope (11) further includes a faceplate panel (12) having a luminescent scr...
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WO/2002/047107A1 |
A glass funnel for cathode ray tube, wherein the wall thickness (S) of the seal edge face (3c1) of a funnel (3) is set generally equal to the wall thickness (S') of the seal edge face (2b1) of a panel (2), the body part (3e) of the funne...
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WO/2002/047108A1 |
A cathode ray tube capable of reducing a weight and effectively preventing glass from dispersing at the time of implosion, comprising an HS band (2) surrounding the peripheral edge of a panel (11) and a resin panel (3) disposed so as to ...
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WO/2002/045117A2 |
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 lin...
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WO/2002/045118A1 |
The invention relates to a shadow mask for color cathode ray tube. In an effective portion of a flat mask for the shadow mask, a plurality of electron beam passing apertures are arranged in columns along with the vertical axis (y-axis), ...
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WO/2002/045120A2 |
A display device comprising a deflection unit and a cathode ray tube having an in-line electron gun. The electron gun comprises a main lens portion having means for generating a main lens field and a quadrupole field. During operation, t...
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WO/2002/045119A1 |
A method of manufacturing an electron gun (10) for use in a colour display tube (1) is described. The electron gun (10) is provided with an additional electrode (44), positioned between the anode electrode (21a) and the centring cup (23)...
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WO/2002/045411A1 |
An electromagnetic quadrupole circuit for always optimally correcting the shape of a spot by providing a current sensing means (20) for detecting the peak value and the bottom value of a current flowing through an electromagnetic quadrup...
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WO/2002/045121A2 |
The invention relates to a display device, in particular, cathode-ray tubes comprising: a display surface; an additional surface placed in front of the display surface, and; a device, which keeps the additional surface at a distance from...
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WO/2002/043101A1 |
In a cathode ray tube which has a cathode and first and second electrodes provided with electron penetration holes and of which the first and second electrodes are coaxially disposed in front of the cathode so that an electron beam extra...
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WO/2002/042508A1 |
An iron-nickel alloy material which consists of 26 to 37 wt.% nickel, 0.001 to 0.2 wt.% silicon, 0.01 to 0.6 wt.% manganese, 0.0001 to 0.003 wt.% aluminum, up to 0.001 wt.% magnesium, up to 0.001 wt.% calcium, and iron and unavoidable im...
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WO/2002/043367A2 |
A display, comprising a vacuum envelope (10) having a rear substrate (12) and a front substrate (11) opposed to each other and side walls (18) installed between the rear substrate and the front substrate, wherein a fluorescent screen (16...
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WO/2002/042509A1 |
A material for a shadow mask, characterized in that it has a chemical composition: C = 0.0030 wt %, Si = 0.03 wt %, Mn: 0.1 to 0.5 wt %, P = 0.02 wt %, S = 0.02 wt %, Al: 0.01 to 0.07 wt %, N = 0.0030 wt %, B: an amount satisfying 0.5 = ...
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WO/2002/042232A1 |
A glass frit which comprises a-4PbO B¿2?O¿3? crystal powder and/or Pb¿3?O¿4? crystal powder as a crystallized filler and one or more of particulate a-alumina, MgO, Fe¿2?O¿3? and monoclinic ZrO¿2?; and a color cathode-ray tube whic...
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WO/2002/041342A2 |
The invention relates to a display device comprising a cathode ray tube including an electron source and an electron beam guidance cavity having an entrance aperture and an exit aperture for concentrating electrons emitted from the catho...
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WO/2002/040420A2 |
The invention relates to a glass component for television sets. A permanent coded information can be applied during the manufacturing process of the glass component such that a non-functional surface of the glass component is provided wi...
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WO/2002/041349A1 |
UV beams shone from a surface layer (5) side pass through the surface layer (5) and reach a light absorption layer (4). Beams reached the light absorption layer (4) are absorbed in the layer (4) to generate photoelectrons in the layer (4...
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WO/2002/039479A2 |
The invention relates to a display device (1) having pixel elements comprising a luminescent material (7) for emitting light when excited by, e.g. electromagnetic radiation. The pixel elements are provided with electrodes (5,9) which mod...
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WO/2002/039478A1 |
A shadow mask for cathode ray tube of slot tension type having a dummy bridge formed at a slot part, characterized in that the cross-eye of the shadow mask in Y-axis direction is formed on the dummy bridge; the cross-eye in Y-axis direct...
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WO/2002/039477A2 |
Color cathode-ray tube comprising a color selection mask tensioned in at least one direction, the mask having, on its peripheral area, mask-vibration damper means in the form of a coupled oscillator of the type comprising a metal strip w...
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WO/2002/037522A1 |
A fluorescent material layer with metal back and a method of forming the fluorescent material layer; the fluorescent material layer with metal back, wherein the degree of adhesion thereof is 30% or more in the ratio of the area of a fluo...
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WO/2002/037519A1 |
The invention relates to a method of producing a screen (6) having a striped structure of electroluminescent material on a display window (3) of a colour display tube (1). In present day colour display tubes (1), this screen (6) is produ...
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WO/2002/035573A1 |
A field emission type electron source element which little distorts an electron beam on a display surface and maintains stable electron emission characteristics regardless of the length of the drive time, a CRT apparatus comprising this ...
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WO/2002/031856A1 |
A cathode ray tube (1) having an improved deflection unit (11) is described. The deflection unit (11) comprises line and/or frame coils that comprise a composition of wires having a conductive coating and wires having a non-conductive co...
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WO/2002/031855A1 |
A multi-beam electron gun for a cathode-ray tube for projecting electron beams onto a fluorescent screen to bombard phosphor crystals of the same color of the cathode-ray tube and a cathode-ray tube having such an electron gun are disclo...
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WO/2002/029846A2 |
Color cathode-ray tube comprising a color selection mask (16) held under tension between a first pair of opposed long sides (30) of an approximately rectangular metal frame (21), a main magnetic screen (22) placed at the rear of the fram...
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WO/2002/029847A1 |
A cathode ray tube wherein the flatness of a tension mask constituting a color selection mechanism is maintained under a proper tension, and wherein the deviation of electron beams is reduced by suppressing influences of external magneti...
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WO/2002/029844A1 |
An electron field emission device is provided by placing a substrate in a reactor, heating the substrate and supplying a mixture of hydrogen and a carbon-containing gas at a concentration of about 8 to 13 per cent to the reactor while su...
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WO/2002/027745A1 |
A cold-cathode electron source having an improved use efficiency of an electron beam and a simple structure. The cold-cathode electron source comprises a gate electrode (4) provided on a substrate (2) through an insulating layer (3) and ...
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WO/2002/027749A2 |
A cathode ray tube comprising an electron source and an electron beam guidance cavity (220) having an input aperture (208) and an output aperture (223), wherein at least a part of the wall of the electron beam guidance cavity near the ou...
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WO/2002/026412A1 |
The invention concerns a method which consists in pre-bending a metal plate along at least two longitudinal edges (12-13) then in bending said plate along at least one edge (12-13) using a bending member (103-104) by exerting, during the...
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WO/2002/027748A1 |
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 e...
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WO/2002/027750A1 |
An electron gun of a cathode-ray tube and a method for manufacturing the electrode of an electron gun. The electrode of an electron gun is formed into a thin plate (7) where a metallic part (N) formed from one side of a metallic material...
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WO/2002/025681A1 |
The invention relates to a cathode ray tube equipped with at least one oxide cathode, which contains a cathode support having a cathode base that is comprised of a first cathode metal and having a covering layer comprised of ultra-fine m...
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