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Class Information
Number: 315/371
Name: Electric lamp and discharge devices: systems > Cathode ray tube circuits > Cathode-ray deflections circuits > With ray deflection distortion correction or reduction > By modulation of deflection waveform
Description: Subject matter wherein the electrical circuit includes a source of a deflection waveform which is delivered to the deflection means and the electrical network delivers another waveform or signal to the electrical circuit or the deflection means to modulate the deflection waveform so that a composite waveform is delivered to the deflection means to correct or diminish some type of distortion received by the energized electrical circuit, deflection means, or the cathode-ray tube.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7462838 |
Electrostatic deflection control circuit and method of electronic beam measuring apparatus |
Dec. 9, 2008 |
| RE39962 |
Method and apparatus for controlling power consumption in a tilt correcting coil |
Dec. 25, 2007 |
| 7233118 |
Line deflection circuit for a television receiver |
Jun. 19, 2007 |
| 7202488 |
Correction system, method of correcting deflection distortion, program and method for manufacturing a semiconductor device |
Apr. 10, 2007 |
| 7187371 |
Display apparatus |
Mar. 6, 2007 |
| 7170239 |
Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display |
Jan. 30, 2007 |
| 7166972 |
Vertical deflection apparatus |
Jan. 23, 2007 |
| 7098613 |
High voltage deflection circuit |
Aug. 29, 2006 |
| 7061192 |
Switching-type vertical deflection output circuit |
Jun. 13, 2006 |
| 7062242 |
Dynamic path gain compensation for radios in wireless communication systems |
Jun. 13, 2006 |
| 6972805 |
Display of a video signal by means of a line scan |
Dec. 6, 2005 |
| 6894731 |
Raster distortion correction arrangement |
May. 17, 2005 |
| 6847176 |
Apparatus and method for removing horizontal moire in cathode-ray tube monitors |
Jan. 25, 2005 |
| 6836084 |
Horizontal deflection coil for deflection yoke |
Dec. 28, 2004 |
| 6831427 |
Vertical deflection apparatus |
Dec. 14, 2004 |
| 6828741 |
Deflecting yoke apparatus and television receiver |
Dec. 7, 2004 |
| 6774585 |
Display correction waveform generator for multiple scanning frequencies |
Aug. 10, 2004 |
| 6717377 |
Circuit and method for reducing east-west geometry mismatch between the top and bottom of a raster display |
Apr. 6, 2004 |
| 6700336 |
Apparatus for supplying deflection power for use in a display and control method thereof |
Mar. 2, 2004 |
| 6690125 |
CRT scan circuit with a geometry correction independent from the scan frequency |
Feb. 10, 2004 |
| 6683424 |
Distortion correcting circuit and display device |
Jan. 27, 2004 |
| 6674253 |
Scan velocity modulation technique |
Jan. 6, 2004 |
| 6667588 |
Multi standard television display |
Dec. 23, 2003 |
| 6642676 |
Electromagnetic quadrupole circuit which independently corrects ac and dc components of correction current |
Nov. 4, 2003 |
| 6590620 |
CRT display image horizontal distortion correction device |
Jul. 8, 2003 |
| 6580233 |
Cathode ray tube and intensity controlling method |
Jun. 17, 2003 |
| 6580232 |
Dynamic focus voltage amplitude controller |
Jun. 17, 2003 |
| 6555976 |
East-west distortion correction |
Apr. 29, 2003 |
| 6534920 |
Horizontal deflection circuit and bidirectional horizontal deflection apparatus |
Mar. 18, 2003 |
| 6522091 |
Circuit and method that allows the amplitudes of vertical correction signal components to be adjusted independently |
Feb. 18, 2003 |
| 6504326 |
Focusing circuit for a cathode ray tube |
Jan. 7, 2003 |
| 6495977 |
Vertical deflection circuit, processor for vertical deflection, and CRT display |
Dec. 17, 2002 |
| 6495975 |
CRT display apparatus |
Dec. 17, 2002 |
| 6489735 |
Generating a non-linear waveform |
Dec. 3, 2002 |
| 6486622 |
Color display device with a deflection-dependent distance between outer beams |
Nov. 26, 2002 |
| 6483558 |
Color television receiver or color monitor having a flat screen |
Nov. 19, 2002 |
| 6479953 |
Deflection circuit with a retrace capacitive transformation |
Nov. 12, 2002 |
| 6472833 |
Laser cathode ray tube |
Oct. 29, 2002 |
| 6462488 |
Shadowmaskless tracking cathode ray tube control circuit having inverse beam current compensation |
Oct. 8, 2002 |
| 6456020 |
Circuit for stabilizing a screen voltage of a video display apparatus |
Sep. 24, 2002 |
| 6452347 |
Method and apparatus for deflection |
Sep. 17, 2002 |
| 6437523 |
Deflection circuits coupled via a filter |
Aug. 20, 2002 |
| 6424103 |
Deflection-distortion correcting circuit |
Jul. 23, 2002 |
| 6417632 |
Deflection apparatus and control method thereof |
Jul. 9, 2002 |
| 6417633 |
Tracking cathode ray tube circuit having a modulator demodulator |
Jul. 9, 2002 |
| 6407519 |
Cathode-ray tube system capable of providing beam spots of a small diameter |
Jun. 18, 2002 |
| 6404148 |
Switching apparatus for horizontal driving pulse |
Jun. 11, 2002 |
| 6384546 |
Deflection yoke and mis-convergence correction method for color cathode-ray tube |
May. 7, 2002 |
| 6366034 |
Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit |
Apr. 2, 2002 |
| 6351085 |
Color cathode ray tube display |
Feb. 26, 2002 |
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