H01J 2229/0046
Preventing or cancelling fields within the enclosure
H01J2229/0046 (Preventing or cancelling fields within the enclosure) appears on 57 US grants and 2 published applications in this corpus.
Search patents in H01J- Granted patents
- 57
- Published applications
- 2
- Assignees
- 30
- Inventors
- 110
- Latest grant
- 15 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Structure for controlling flashover in MEMS devices15 May 2018US 9,969,611 B1Eagle Technology, LLC
- Color cathode ray tube having DC magnetic field during degaussing process8 Nov 2005US 6,963,163 B2Matsushita Electric Industrial Co., Ltd.
- Cathode ray tube having degaussing coil for minimizing variations in landing of electron beam3 Feb 2004US 6,686,695 B2Samsung SDI.Co., Ltd.
- Method and apparatus for mounting a degaussing coil30 Dec 2003US 6,671,007 B1Thomson Licensing
- Cathode ray tube having a deflection unit23 Jul 2002US 6,424,085 B1U. S. Philips Corporation
Most cited
By later US patents
- Apparatus for suppressing field radiation from display device142US 5,260,626 ANanao Corporation · 1993
- Degaussing coil holder42US 4,665,588 AKitagawa Industries Co., Ltd. · 1987
- Method and apparatus for dynamic magnetic field neutralization21US 4,963,789 AConrac SCD, Inc. · 1990
- Engaging structure of retainer19US 5,601,260 AMatsushita Electric Industrial Co., Ltd. · 1997
- Cathode ray tube having an improved implosion proof structure12US 4,858,016 ASony Corporation · 1989