H01J 29/66
Using electromagnetic means only
Official title: using electromagnetic means only
H01J29/66 (Using electromagnetic means only) appears on 21 US grants and 5 published applications in this corpus.
Search patents in H01J- Granted patents
- 21
- Published applications
- 5
- Assignees
- 17
- Inventors
- 28
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 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 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Precision alignment system for millimeter wave sources2 May 2023US 11,640,893 B1Dymenso LLC
- Compact deflecting magnet25 Jun 2019US 10,332,718 B1Imatrex, Inc.
- Compact deflecting magnet14 May 2019US 10,290,463 B2Imatrex, Inc.
- CRT beam landing spot size correction apparatus and method25 Feb 2003US 6,525,459 B1Sony Corporation
- Deflection apparatus, cathode ray tube apparatus and beam landing adjustment method5 Nov 2002US 6,476,569 B2Sony Corporation
- Precision Alignment System for Millimeter Wave Sources18 May 2023US 2023/0154717 A1Dymenso LLC
- Compact deflecting magnet22 Aug 2019US 2019/0259565 A1Imatrex, Inc.
- Compact deflecting magnet27 Jun 2019US 2019/0198286 A1Imatrex, Inc.
- Compact deflecting magnet1 Nov 2018US 2018/0315578 A1Imatrex, Inc.
- Deflection apparatus, cathode ray tube apparatus and beam landing adjustment method25 Apr 2002US 2002/0047651 A1Sony Corporation
Most cited
By later US patents
- Multiple beam electron discharge tube having bipotential acceleration and convergence electrode structure8US 4,853,601 ATektronix, Inc. · 1989
- Cathode ray tube including a magnetic focusing lens6US 5,117,152 AU. S. Philips Corporation · 1992
- Focussing solenoid, application thereof and a process for manufacturing same4US 4,511,870 AThomson-CSF · 1985
- Convergence yoke for improving focus characteristics4US 5,719,542 ASamsung Display Devices Co., Ltd. · 1998
- Apparatus for reducing deflection aberration in a CRT4US 5,757,121 AMitsubishi Denki Kabushiki Kaisha · 1998