H04N 9/29
Using demagnetisation or compensation of external magnetic fields
Official title: using demagnetisation or compensation of external magnetic fields
H04N9/29 (Using demagnetisation or compensation of external magnetic fields) appears on 142 US grants and 21 published applications in this corpus.
Search patents in H04N- Granted patents
- 142
- Published applications
- 21
- Assignees
- 71
- Inventors
- 235
- Latest grant
- 26 Mar 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 7 | 2 |
| 2004 | 2 | 7 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Remote agent capture and monitoring26 Mar 2019US 10,244,209 B1Verint Americas Inc.
- Remote agent capture and monitoring4 Oct 2016US 9,462,238 B1Verint Americas Inc.
- Image display device and method of controlling an image display device28 Dec 2010US 7,859,487 B2LG Electronics Inc.
- System for controlling low power mode of TV by using single output pin of microprocessor to send signals to demagnetization circuit and switched mode power supply11 Sep 2007US 7,269,749 B2Thomson Licensing
- Display with electromagnetic interference shielding31 Jul 2007US 7,251,144 B2Benq Corporation
- Em shielding for display devices30 Sep 2010US 2010/0245370 A1QUALCOMM MEMS Technologies, Inc.
- High Deflection Angle CRT Display22 Oct 2009US 2009/0262237 A1
- Magnetic Field Compensation Apparatus for Cathode Ray Tube30 Apr 2009US 2009/0108729 A1
- Circuit Arrangement for Degaussing a Picture Tube, and Respective Picture Display Device6 Dec 2007US 2007/0278961 A1
- Image display device and method of controlling an image display device23 Aug 2007US 2007/0195075 A1LG Electronics Inc.
Most cited
By later US patents
- Apparatus for suppressing field radiation from display device142US 5,260,626 ANanao Corporation · 1993
- Method and apparatus for reducing the intensity of magenetic field emissions from display device128US 5,594,615 AMTI, Inc. · 1997
- Method and apparatus for reducing the intensity of magnetic field emissions from video display units127US 5,561,333 AMTI, Inc. · 1996
- PTC thermistor and PTC thermistor producing method, and resistor with a PTC thermistor26US 5,210,516 AMurata Manufacturing Co., Ltd. · 1993
- Magnetic field cancellation circuit22US 5,066,891 ARaytheon Company · 1991