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Class Information
Number: 348/805
Name: Television > Video display > Cathode-ray tube
Description: Subject matter including a device in which a focused beam of electrons is employed to impart visual information.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7499111 |
Projection type display device and back projection type display device using the same |
Mar. 3, 2009 |
| 7187414 |
Circuit for stabilizing high tension voltage of CRT, and method thereof |
Mar. 6, 2007 |
| 7057336 |
Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same |
Jun. 6, 2006 |
| 7023149 |
CRT vertical scanning circuit with a low power standby |
Apr. 4, 2006 |
| 6822699 |
Cathode ray tube and method of displaying picture |
Nov. 23, 2004 |
| 6690339 |
Method and circuit arrangement for controlling the operating point of a cathode ray tube |
Feb. 10, 2004 |
| 6674231 |
Panel for color cathode ray tube with seal and surface having rough surface |
Jan. 6, 2004 |
| 6664747 |
Dynamic focus regulation circuit of display apparatus |
Dec. 16, 2003 |
| 6590620 |
CRT display image horizontal distortion correction device |
Jul. 8, 2003 |
| 6570625 |
Display apparatus and display method |
May. 27, 2003 |
| 6563552 |
Image correcting method and device and cathode ray tube display unit |
May. 13, 2003 |
| 6552752 |
Clock generating based on a reference signal included in the digital input data of a digital broadcasting receiver |
Apr. 22, 2003 |
| 6509936 |
Cathode ray tube with magnetic coil for display enhancement |
Jan. 21, 2003 |
| 6506317 |
Cooling medium for optical equipment and cooling device using the same |
Jan. 14, 2003 |
| 6493040 |
Scan velocity modulation circuit with multi-mode operation |
Dec. 10, 2002 |
| 6489994 |
Method and device for protecting a cathode ray tube in an image displaying device by using a brightness control circuit |
Dec. 3, 2002 |
| 6483557 |
Emission control in a video display |
Nov. 19, 2002 |
| 6384876 |
Vertically configured video projection system |
May. 7, 2002 |
| 6377319 |
CRT mounting bracket for projection television sets |
Apr. 23, 2002 |
| 6369851 |
Method and apparatus to minimize burn lines on a display |
Apr. 9, 2002 |
| 6262524 |
Electron gun with electron beam converging member disposed between quadrupole and main lens and a cathode ray tube employing the same |
Jul. 17, 2001 |
| 6256074 |
Control signal generator for dynamic focus disabling |
Jul. 3, 2001 |
| 6211908 |
Television apparatus with supplementary kinescope blanking and spot burn protection circuitry |
Apr. 3, 2001 |
| 6169587 |
Raster V-size adjustment circuit |
Jan. 2, 2001 |
| 6072547 |
Color display device |
Jun. 6, 2000 |
| 6064434 |
Beam current measurement |
May. 16, 2000 |
| 6020939 |
Method and apparatus for reducing electromagnetic interference radiated by cathode ray tube displays |
Feb. 1, 2000 |
| 6002453 |
Deflection with low offset |
Dec. 14, 1999 |
| 5977727 |
Electron beam profile and energy shaping lens |
Nov. 2, 1999 |
| 5956099 |
Dynamic focus circuit and display using the same |
Sep. 21, 1999 |
| 5926211 |
Method of measuring focus of cathode ray tube |
Jul. 20, 1999 |
| 5923387 |
Picture display apparatus and method of generating a focusing voltage |
Jul. 13, 1999 |
| 5841487 |
Circuit arrangement for controlling a picture display tube |
Nov. 24, 1998 |
| 5805211 |
Electrostatic probe device for signal detection of cathode ray tube displays |
Sep. 8, 1998 |
| 5793448 |
Cathode ray tube packages |
Aug. 11, 1998 |
| 5786903 |
Multi-power control system for scanners |
Jul. 28, 1998 |
| 5627597 |
Device and method for interlacing a video signal having an integral number of scan lines in each field |
May. 6, 1997 |
| 5627598 |
Display apparatus including aspect ratio converter and child picture processing with four field sequence memory |
May. 6, 1997 |
| 5606377 |
CRT having an implosion protection band with brackets |
Feb. 25, 1997 |
| 5557344 |
Multi-beam group electron gun for color CRT |
Sep. 17, 1996 |
| 5555032 |
Integrated circuit for economizing power consumption of a monitor by using two reference values for discrminating the input signal |
Sep. 10, 1996 |
| 5552663 |
Cathode ray tube apparatus |
Sep. 3, 1996 |
| 5528312 |
Beam scan velocity modulation apparatus with SVM disabling circuit |
Jun. 18, 1996 |
| 5523789 |
High definition television monitor for displaying video images reproduced from normal standard video signals |
Jun. 4, 1996 |
| 5495214 |
Method and apparatus for controlling the operating point of an amplifier stage |
Feb. 27, 1996 |
| 5452025 |
Television set with sound-reflecting sidewalls |
Sep. 19, 1995 |
| 5390020 |
Video amplifier stabilization for CRT printing |
Feb. 14, 1995 |
| 5387896 |
Rasterscan display with adaptive decay |
Feb. 7, 1995 |
| 5299007 |
Vertical reset generation system |
Mar. 29, 1994 |
| 5291295 |
System for equalizing phosphor aging in CRT, subject to different aspect ratio displays by operating unused display portions at brightness levels determined by the brightness levels of corresp |
Mar. 1, 1994 |
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