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Class Information
Number: 315/368.15
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > Including color convergence control > Including electrostatic element (e.g., electrode, lens, etc.)
Description: Subject matter including structure that produces an electrostatic field which deflects the electron beam.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7122977 |
Cathode-ray tube apparatus |
Oct. 17, 2006 |
| 6987367 |
Cathode-ray tube |
Jan. 17, 2006 |
| 6819038 |
Double dynamic focus electron gun |
Nov. 16, 2004 |
| 6812654 |
Field emission type electron source element, electron gun, cathode ray tube apparatus, and method for manufacturing cathode ray tube |
Nov. 2, 2004 |
| 6794822 |
Field emission electron source, electron gun and cathode ray tube device using the same |
Sep. 21, 2004 |
| 6696789 |
Color picture tube device |
Feb. 24, 2004 |
| 6657372 |
Color cathode ray tube |
Dec. 2, 2003 |
| 6566801 |
Cathode ray tube |
May. 20, 2003 |
| 6555975 |
Cathode-ray tube apparatus |
Apr. 29, 2003 |
| 6538397 |
Color cathode-ray tube apparatus |
Mar. 25, 2003 |
| 6525459 |
CRT beam landing spot size correction apparatus and method |
Feb. 25, 2003 |
| 6515438 |
Electron gun in color CRT |
Feb. 4, 2003 |
| 6479952 |
CRT display apparatus |
Nov. 12, 2002 |
| 6455995 |
One-pin dynamic electron gun for a cathode ray tube |
Sep. 24, 2002 |
| 6441566 |
Color cathode ray tube and color picture tube apparatus having the same |
Aug. 27, 2002 |
| 6433469 |
Cathode ray tube having an internal voltage-dividing resistor |
Aug. 13, 2002 |
| 6339293 |
Cathoderay tube |
Jan. 15, 2002 |
| 6337546 |
Method of mounting electrode for outputting signal generated in cathode ray tube, signal outputting method in cathode ray tube, and cathode ray tube |
Jan. 8, 2002 |
| 6313576 |
Color cathode ray tube |
Nov. 6, 2001 |
| 6166483 |
QPF electron gun with high G4 voltage using internal resistor |
Dec. 26, 2000 |
| 5977726 |
CRT system using electrostatic quadruple lens |
Nov. 2, 1999 |
| 5977727 |
Electron beam profile and energy shaping lens |
Nov. 2, 1999 |
| 5869925 |
Electron gun with focusing electrodes |
Feb. 9, 1999 |
| 5739630 |
Color cathode ray tube |
Apr. 14, 1998 |
| 5734235 |
Electron gun with reduced astigmatism and curvature of field and CRT employing same |
Mar. 31, 1998 |
| 5719475 |
Electron gun with a dynamic driving quadrupole lens for a color cathode ray tube |
Feb. 17, 1998 |
| 5671025 |
Digital convergence correcting method and apparatus adopting the same |
Sep. 23, 1997 |
| 5532547 |
Electron gun for a color cathode-ray tube |
Jul. 2, 1996 |
| 5481157 |
Electron gun for cathode-ray tube |
Jan. 2, 1996 |
| 5479067 |
Vacuum tube comprising a ceramic element and a method of interconnecting a ceramic element and a conductive element |
Dec. 26, 1995 |
| 5455481 |
Electrode structure of an electron gun for a cathode ray tube |
Oct. 3, 1995 |
| 5424619 |
Dynamic convergence device for color cathode-ray tube |
Jun. 13, 1995 |
| 5418421 |
Cathode-ray tube with electrostatic convergence electrode assembly |
May. 23, 1995 |
| 5396156 |
Convergence correction circuit for cathode ray tube |
Mar. 7, 1995 |
| 5394053 |
Electron gun for a color cathode ray tube |
Feb. 28, 1995 |
| 5382883 |
Multi-beam group electron gun with common lens for color CRT |
Jan. 17, 1995 |
| 5367230 |
Cathode-ray tube with convergence yoke lens systems |
Nov. 22, 1994 |
| 5350978 |
Multi-beam group electron gun for color CRT |
Sep. 27, 1994 |
| 5170101 |
Constant horizontal dimension symmetrical beam in-line electron gun |
Dec. 8, 1992 |
| 4977447 |
Color cathode ray tube |
Dec. 11, 1990 |
| 4951131 |
Remote control for convergence of projection television |
Aug. 21, 1990 |
| 4935663 |
Electron gun assembly for color cathode ray tube apparatus |
Jun. 19, 1990 |
| 4896082 |
Raster distortion correction circuit |
Jan. 23, 1990 |
| 4887009 |
Color display system |
Dec. 12, 1989 |
| 4871949 |
Cathode ray tube |
Oct. 3, 1989 |
| 4853601 |
Multiple beam electron discharge tube having bipotential acceleration and convergence electrode structure |
Aug. 1, 1989 |
| 4772826 |
Color display system |
Sep. 20, 1988 |
| 4771216 |
Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal |
Sep. 13, 1988 |
| 4763047 |
Electron gun |
Aug. 9, 1988 |
| 4704565 |
Dynamically converging electron gun system |
Nov. 3, 1987 |
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