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Class Information
Number: 361/150
Name: Electricity: electrical systems and devices > Control circuits for electromagnetic devices > Systems for magnetizing, demagnetizing, or controlling the magnetic field > Demagnetizing > Television degaussing
Description: Subject matter wherein the demagnetizing system or process is peculiar to a television receiver.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8379363 |
Bulk erase tool to erase a perpendicular media recording disk of a disk drive |
Feb. 19, 2013 |
| 8345402 |
Degaussing apparatus with highly uniform magnetic field |
Jan. 1, 2013 |
| 7593210 |
Permanent magnet bulk degausser |
Sep. 22, 2009 |
| 7164569 |
Mechanism for automated permanent magnet degaussing |
Jan. 16, 2007 |
| 7145761 |
Degaussing coil holder |
Dec. 5, 2006 |
| 7120003 |
Circuit arrangement with power factor correction, as well as a corresponding appliance |
Oct. 10, 2006 |
| 6914384 |
Degaussing circuit for CRT monitor |
Jul. 5, 2005 |
| 6671007 |
Method and apparatus for mounting a degaussing coil |
Dec. 30, 2003 |
| 6635994 |
Method and apparatus for demagnetizing color CRT |
Oct. 21, 2003 |
| 6625012 |
Degaussing coil fixing holder for a monitor |
Sep. 23, 2003 |
| 6556412 |
Degaussing apparatus and method for rotatable video display apparatus |
Apr. 29, 2003 |
| 6091198 |
Demagnetization circuit for cathode-ray tube video device |
Jul. 18, 2000 |
| 6055026 |
Apparatus for holding degauss coil |
Apr. 25, 2000 |
| 5990623 |
Method for controlling degaussing coil of cathode ray tube |
Nov. 23, 1999 |
| 5962978 |
Apparatus for automatically degaussing a color picture tube in response to a power conservation mode |
Oct. 5, 1999 |
| 5952786 |
Auto deguassing from stand-by to on |
Sep. 14, 1999 |
| 5953081 |
Complementing circuit for tilt of picture in a display device |
Sep. 14, 1999 |
| 5940261 |
Circuit and method independent of frequency and voltage deviations of supply voltage, and display apparatus incorporating same circuit |
Aug. 17, 1999 |
| 5923520 |
Demagnetizing circuit and current limiting device |
Jul. 13, 1999 |
| 5901029 |
Method of degaussing a color cathode ray tube |
May. 4, 1999 |
| 5831508 |
Component for a demagnetization circuit |
Nov. 3, 1998 |
| 5828279 |
Degaussing coil holder for cathode ray tube |
Oct. 27, 1998 |
| 5825131 |
Tilt compensation circuit for picture tubes |
Oct. 20, 1998 |
| 5815361 |
Magnetic field shielding device in display |
Sep. 29, 1998 |
| 5751112 |
CRT magnetic compensating circuit with parallel amorphous wires in the sensor |
May. 12, 1998 |
| 5745191 |
Switching degaussing circuit for television set |
Apr. 28, 1998 |
| 5742128 |
Apparatus for mitigating the effects of ambient magnetic fields on the operation of a CRT |
Apr. 21, 1998 |
| 5742127 |
Degaussing system for cathode ray tube which prevents display of visual distortion |
Apr. 21, 1998 |
| 5739638 |
Bus controlled arrangement using a duty cycle modulated control signal in a CRT |
Apr. 14, 1998 |
| 5736914 |
Demagnetizing device for a cathode ray tube |
Apr. 7, 1998 |
| 5729092 |
CRT focus mask degaussing arrangement responsive to a breakdown event |
Mar. 17, 1998 |
| 5715130 |
Demagnetization circuit and components therefor |
Feb. 3, 1998 |
| 5696565 |
Demagnetizing device is automatically energized after counting a set number of power-on operations of a cathode ray tube |
Dec. 9, 1997 |
| 5696427 |
Adjustable retainer for degaussing coil |
Dec. 9, 1997 |
| 5675219 |
Degaussing circuit for wide-range ac |
Oct. 7, 1997 |
| 5672940 |
Television power supply with polarity-independent charging paths |
Sep. 30, 1997 |
| 5642175 |
Color cathode ray tube display device and method of eliminating the influence of an external magnetic field |
Jun. 24, 1997 |
| 5594615 |
Method and apparatus for reducing the intensity of magenetic field emissions from display device |
Jan. 14, 1997 |
| 5559401 |
Color display device comprising a color display tube and a delaying demagnetizing device |
Sep. 24, 1996 |
| 5541805 |
Time delay control switch for vertical deflection in television receiver |
Jul. 30, 1996 |
| 5526221 |
Degaussing circuit |
Jun. 11, 1996 |
| 5510682 |
Magnetism-erasing circuit for use in cathode ray tubes using a D-C power supply |
Apr. 23, 1996 |
| 5499156 |
Forced, resonant degaussing system and method |
Mar. 12, 1996 |
| 5469321 |
Magnetizing device having variable charge storage network and voltage control |
Nov. 21, 1995 |
| 5432492 |
Deflection yoke apparatus with auxiliar coils to compensensate magnetic leakage |
Jul. 11, 1995 |
| 5416595 |
Methods and apparatus for securing a degaussing coil |
May. 16, 1995 |
| 5404084 |
Method of and apparatus for canceling electric field |
Apr. 4, 1995 |
| 5404121 |
Deflection yoke with a triangular magnetic-field leakage canceling coil |
Apr. 4, 1995 |
| 5379117 |
Supporting member for a VLMF coil |
Jan. 3, 1995 |
| 5343111 |
Cathode ray tube and degaussing coil employed therein |
Aug. 30, 1994 |
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