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Class Information
Number: 315/368.21
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > Including color convergence control > Including specified waveform generating circuitry > Parabolic waveform
Description: Subject matter wherein the control signal has a component which is proportional to the square of the elapsed time.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7541754 |
Bias circuit and method for operating the same |
Jun. 2, 2009 |
| RE39962 |
Method and apparatus for controlling power consumption in a tilt correcting coil |
Dec. 25, 2007 |
| 7170239 |
Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display |
Jan. 30, 2007 |
| 7102302 |
Waveform generator for controlling an electron beam in a cathode ray tube |
Sep. 5, 2006 |
| 6798155 |
Color image display device |
Sep. 28, 2004 |
| 6700337 |
Apparatus for generating dynamic focus signal |
Mar. 2, 2004 |
| 6664747 |
Dynamic focus regulation circuit of display apparatus |
Dec. 16, 2003 |
| 6580232 |
Dynamic focus voltage amplitude controller |
Jun. 17, 2003 |
| 6559609 |
Raster center control circuit for CRT-type display device |
May. 6, 2003 |
| 6548968 |
Electrode assembly and dynamic focus electron gun utilizing the same |
Apr. 15, 2003 |
| 6504324 |
Color-cathode-ray-tube electron gun and color cathode-ray tube |
Jan. 7, 2003 |
| 6489735 |
Generating a non-linear waveform |
Dec. 3, 2002 |
| 6459219 |
Horizontal deflection circuit with dynamic S-correction |
Oct. 1, 2002 |
| 6404147 |
Display apparatus monitoring a threshold level for controlling a dynamic focusing circuit |
Jun. 11, 2002 |
| 6351086 |
Display correction waveform generator for multiple scanning |
Feb. 26, 2002 |
| 6278246 |
Dynamic focus voltage amplitude controller and high frequency compensation |
Aug. 21, 2001 |
| 6215259 |
Apparatus for compensating for corner focus and brightness in cathode ray tube |
Apr. 10, 2001 |
| 6151082 |
Horizontal focus controlling apparatus for cathode-ray tube |
Nov. 21, 2000 |
| 6141627 |
Method and apparatus for controlling power consumption in a tilt correcting coil |
Oct. 31, 2000 |
| 6023133 |
Parabolic signal generator |
Feb. 8, 2000 |
| 5977726 |
CRT system using electrostatic quadruple lens |
Nov. 2, 1999 |
| 5977728 |
Circuit for controlling a horizontal focus signal in a monitor |
Nov. 2, 1999 |
| 5661376 |
Switching clamp |
Aug. 26, 1997 |
| 5576774 |
Convergence adjusting apparatus capable of independently performing convergence adjustment on one adjustment point without affecting the convergence of the remaining adjustment points |
Nov. 19, 1996 |
| 5473224 |
Convergence correction apparatus |
Dec. 5, 1995 |
| 5301025 |
Parabolic waveform generating apparatus |
Apr. 5, 1994 |
| 5218275 |
Beam landing location error correction arrangement |
Jun. 8, 1993 |
| 5173644 |
Convergence correction apparatus |
Dec. 22, 1992 |
| 4988926 |
Color cathode ray tube system with reduced spot growth |
Jan. 29, 1991 |
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