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Class Information
Number: 313/458
Name: Electric lamp and discharge devices > Cathode ray tube > Ray generating or control > Electrode
Description: Subject matter including an electrode.










Sub-classes under this class:

Class Number Class Name Patents
313/459 Movable 14
313/460 Plural 99


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7892062 High-definition cathode ray tube and electron gun with lower power consumption Feb. 22, 2011
7819531 Projector Oct. 26, 2010
6989630 Electrode for election gun, method of manufacturing electrode for electron gun, and electron gun assembly Jan. 24, 2006
6891321 Oil-free electron source having cathode and anode members adjustable with five degrees of freedom May. 10, 2005
6847158 Electrode structure for electron gun Jan. 25, 2005
6841924 Low-voltage high-resolution einzel gun Jan. 11, 2005
6815913 Cathode ray tube Nov. 9, 2004
6806635 Fe-Ni-Cr- based alloy strip having improved press-formability and used for electrode of electron gun Oct. 19, 2004
6566801 Cathode ray tube May. 20, 2003
6531808 Beam index type cathode ray tube Mar. 11, 2003
6455990 Apparatus for an electron gun employing a thermionic electron source Sep. 24, 2002
6455994 Electrode of electron gun for color cathode ray tube Sep. 24, 2002
6417034 Manufacturing method for organic EL device Jul. 9, 2002
5969471 Grid assembly for cathode-ray tubes and method of making Oct. 19, 1999
5936335 Electron gun having a grid Aug. 10, 1999
5847500 Electron gun for color cathode ray tube and method of manufacturing the electron gun electrode Dec. 8, 1998
5739629 Electron gun for color cathode ray tube providing two electron beam cross over points Apr. 14, 1998
5508590 Flat panel ferroelectric electron emission display system Apr. 16, 1996
5414323 In-line type electron gun assembly including electrode units having electron beam passage holes of different sizes for forming an electrostatic lens May. 9, 1995
5391958 Electron beam window devices and methods of making same Feb. 21, 1995
5327044 Electron beam deflection lens for CRT Jul. 5, 1994
5175467 Flat display panel assembly Dec. 29, 1992
4978886 Electron gun for use in color cathode ray tube having a plurality of grid electrodes Dec. 18, 1990
4961022 Display tube including a helical focusing lens with a non-rotationally symmetrical lens element Oct. 2, 1990
4940917 Color cathode ray tube having an in-line electron gun Jul. 10, 1990
4904898 Monochrome cathode ray tube electron gun with high voltage electrode lens Feb. 27, 1990
4900978 Electron gun having blackened grids used in-line type color CRT, and color CRT using the same Feb. 13, 1990
4853754 Semiconductor device having cold cathode Aug. 1, 1989
4812706 Device for correcting the deflection effect due to a variation of the focusing voltage in a trichromatic cathode ray tube with in line cathodes Mar. 14, 1989
4766344 In-line electron gun structure for color cathode ray tube having oblong apertures Aug. 23, 1988
4743796 Electron gun for reduction of glimmer May. 10, 1988
4680501 Strengthening means for a CRT in-line electrode component Jul. 14, 1987
4656387 Cathode ray tube having a zig-zag shaped deflection electrode Apr. 7, 1987
4628224 Beam shaping CRT electrode Dec. 9, 1986
4567399 Cathode ray tube with spherical aberration correction means Jan. 28, 1986
4560899 Electron beam focusing lens Dec. 24, 1985
4528476 Cathode-ray tube having electron gun with three focus lenses Jul. 9, 1985
4429252 Color picture tube having an expanded focus lens type inline electron gun with improved static convergence Jan. 31, 1984
4370594 Resistive lens structure for electron gun Jan. 25, 1983
4366414 Electrode of color picture tube electron gun and method for manufacture thereof Dec. 28, 1982
4357559 Fluorescent lamp utilizing phosphor combination Nov. 2, 1982
4350923 Electron gun with balanced lens lips to reduce astigmatism Sep. 21, 1982
4319160 One piece astigmatic grid for color picture tube electron gun and method of making same Mar. 9, 1982
4314158 Electron applicator for a linear accelerator Feb. 2, 1982
4272700 One piece astigmatic grid for color picture tube electron gun and method of making same Jun. 9, 1981
4251747 One piece astigmatic grid for color picture tube electron gun Feb. 17, 1981
4242613 CRT Control grid having orthogonal openings on opposite sides Dec. 30, 1980
4208610 Television picture tubes having an electron gun with aperture electrode shielding means Jun. 17, 1980
4181871 Proximity focused electron beam guide display device including mesh having apertures no greater than 26 microns in one dimension Jan. 1, 1980
4137480 Television picture tube with cathode coating erosion suppression Jan. 30, 1979

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