"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 5645461 | Method of manufacturing projection cathode ray tube with uniform optical multiple interference film To manufacture a cathode-ray projection tube, a glass face panel with a skirt portion is provided. The glass face panel is formed to satisfy the following formula 0.85ࣘB/A, where A is a long edge length of the inner surface of the glass face panel and B... | 07/08/1997 |
| 5627429 | Color cathode ray tube having an intermediate layer between a face plate and a tricolor phosphor layer A color cathode ray tube includes an intermediate layer between the face plate and the tricolor phosphor layer. The intermediate layer is a selective light absorption layer or a neutral filter layer. The selective light absorbing function and the uniform ... | 05/06/1997 |
| 5599579 | Cathode-ray tube with anti-reflective coating A cathode-ray tube has a faceplate on which is formed an anti-reflective coating with at least two layers. The first layer is formed on the outer surface of the faceplate by spin-coating an alcohol solution of an organometallic compound, leaving a porous ... | 02/04/1997 |
| 5491375 | Cathode, electron gun, and cathode-ray tube having a heating element for use during cold electron emisson A cathode, an electron gun, and a cathode-ray tube, having a configuration wherein a heat source for heating an electron emission portion in which an electric field is applied to the tip so that electrons are pulled out is disposed, whereby instability an... | 02/13/1996 |
| 5412278 | Cathode-ray tube with anti-reflective coating A cathode-ray tube has a faceplate on which is formed an anti-reflective coating with at least two layers. The first layer is formed on the outer surface of the faceplate by spin-coating an alcohol solution of an organometallic compound, leaving a porous ... | 05/02/1995 |
| 5315209 | Color cathode ray tube with selective light absorption film A color cathode ray tube includes a face plate, and a selective light absorption film formed on the external surface of the face plate to improve the emission tint, the film having a predetermined characteristic of spectral transmittance. The selective li... | 05/24/1994 |
| 5243255 | Cathode-ray tube with low reflectivity film A cathode-ray tube includes a face plate having a light transmittance of at most 50% and a reflectivity reduction film formed on the external surface of the face plate to reduce reflectivity of an external light. The reflectivity reduction film is a low r... | 09/07/1993 |
| 5225730 | Projection cathode ray tube A projection cathode ray tube (CRT) includes a multilayered interference film interposed between a face plate pane and luminescent material layer. This multilayered interference film is composed of alternately superimposed of high refractive index materia... | 07/06/1993 |
| 5200667 | Color cathode-ray-tube with electrical and optical coating film A color cathode ray tube has a coating film formed over an outer surface of a face plate. The coating film prevents a charge-up phenomenon of the face plate and also has a function for improving a contrast performance of the color cathode ray tube. The co... | 04/06/1993 |
| 5177400 | Projection cathode-ray tube A projection cathode-ray tube includes a transparent protective layer interposed between a face panel and an optical multilayered interference film. In order to prevent a browning discoloration from occurring on the glass surface of the face panel caused ... | 01/05/1993 |
| 5166577 | Projection cathode-ray tube with interference film A projection cathode-ray tube includes a multilayered interference film interposed between a face plate and a cathode-ray tube. In order to improve brightness in a direction of the normal, then on a face plate, a phosphor layer is composed of a first laye... | 11/24/1992 |
| 5126626 | Projection cathode ray tube A high-quality projection cathode ray tube is for projecting the image, displayed on a fluorescent surface, as an enlarged image on a screen in front of the fluorescent surface through a projection lens disposed at a given distance ahead. On the inner sur... | 06/30/1992 |
| 5107173 | Projection cathode ray tube A high-quality projection cathode ray tube is for projecting the image displayed on a fluorescent surface, as an enlarged image on a screen in front of the fluorescent surface through a projection lens projection lens disposed at a given distance ahead. O... | 04/21/1992 |
| 5089743 | Projection cathode ray tube A cathode ray tube for producing images in red, green or blue is used for a projection type television set. A multi-layered interference filter is disposed between a face glass and a fluroescent layer so as to gather light beams from the fluorescent layer... | 02/18/1992 |
| 5002799 | Method for manufacturing anti-static cathode ray tubes In manufacturing anti-static cathode ray tubes, the concentration of a conducting filler dispersed in the coating solution is so set that a surface resistance lies within a fixed range. The baking step of the anti-static treatment is integrated in the con... | 03/26/1991 |