H05B 41/046
Using controlled semiconductor devices
Official title: {using controlled semiconductor devices}
H05B41/046 (Using controlled semiconductor devices) appears on 91 US grants and 11 published applications in this corpus.
Search patents in H05B- Granted patents
- 91
- Published applications
- 11
- Assignees
- 40
- Inventors
- 120
- Latest grant
- 30 Aug 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 0 |
| 2013 | 4 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dimming a multi-lamp fluorescent light fixture by turning off an individual lamp using a wireless fluorescent lamp starter30 Aug 2016US 9,433,067 B2IXYS Intl Limited
- Method and device for driving a gas discharge lamp25 Nov 2014US 8,896,237 B2Koninklijke Philips N. V.
- Lighting fixture and method for operating same27 Aug 2013US 8,519,643 B2
- Alternating turn off timing of a fluorescent lamp starter unit11 Jun 2013US 8,461,779 B2Zilog, Inc.
- Electro magnetic ballast for a gas discharge lamp12 Mar 2013US 8,395,333 B2Koninklijke Philips Electronics N. V.
- Alternating Turn Off Timing Of A Fluorescent Lamp Starter Unit18 Apr 2013US 2013/0093347 A1Zilog, Inc.
- Method and device for driving a gas discharge lamp10 Jan 2013US 2013/0009562 A1Koninklijke Philips Electronics N. V.
- Electro magnetic ballast for a gas discharge lamp29 Dec 2011US 2011/0316434 A1Koninklijke Philips Electronics N. V.
- Alternating turn off timing of a fluorescent lamp starter unit22 Dec 2011US 2011/0309763 A1Zilog, Inc.
- Dimming a multi-lamp fluorescent light fixture by turning off an individual lamp using a wireless fluorescent lamp starter7 Apr 2011US 2011/0080107 A1Zilog, Inc.
Most cited
By later US patents
- Dimming controller for a fluorescent lamp95US 5,504,398 ABeacon Light Products, Inc. · 1996
- Automatic state tranition controller for a fluorescent lamp47US 5,652,481 ABeacon Light Products, Inc. · 1997
- Voltage-comparator, solid-state, current-switch starter for fluorescent lamp30US 5,537,010 ABeacon Light Products, Inc. · 1996
- Discharge lamp with starter circuit29US 4,165,475 AThorn Electrical Industries Limited · 1979
- Electronically controlled magnetic fluorescent lamp ballast26US 5,027,032 A1991