H05B 41/2856
Against internal abnormal circuit conditions
Official title: {against internal abnormal circuit conditions}
H05B41/2856 (Against internal abnormal circuit conditions) appears on 209 US grants and 124 published applications in this corpus.
Search patents in H05B- Granted patents
- 209
- Published applications
- 124
- Assignees
- 103
- Inventors
- 291
- Latest grant
- 5 Dec 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 4 |
| 2002 | 11 | 8 |
| 2003 | 6 | 9 |
| 2004 | 10 | 11 |
| 2005 | 9 | 21 |
| 2006 | 8 | 16 |
| 2007 | 10 | 7 |
| 2008 | 20 | 11 |
| 2009 | 8 | 14 |
| 2010 | 5 | 9 |
| 2011 | 8 | 4 |
| 2012 | 7 | 4 |
| 2013 | 5 | 2 |
| 2014 | 3 | 3 |
| 2015 | 4 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control method to avoid capacitive mode switching for resonant converters5 Dec 2017US 9,837,913 B1Universal Lighting Technologies, Inc.
- Operating device with power factor correction and ripple limitation by change in operation26 Jan 2016US 9,247,592 B2Tridonic GmbH & Co KG
- Device for outputting temperature information13 Oct 2015US 9,157,813 B2Tridonic GmbH & Co KG
- Control of a half resonant converter for avoiding capacitive mode18 Aug 2015US 9,112,415 B2NXP B. V.
- Systems, methods, and devices for providing thermal protection to an LED module21 Jul 2015US 9,086,214 B1Cooper Technologies Company
- Protecting circuit for arc discharge lamp22 Oct 2015US 2015/0305128 A1General Electric Company
- Operating device with power factor correction and ripple limitation by change in operation27 Nov 2014US 2014/0346965 A1Tridonic GmbH & Co KG
- Protection circuit for backlight driver circuit, backlight module, and lcd device26 Jun 2014US 2014/0176020 A1Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Latching circuit for ballast24 Apr 2014US 2014/0111089 A1Osram Sylvania Inc.
- Device for outputting temperature information15 Aug 2013US 2013/0207549 A1Tridonic GmbH & Co KG
Most cited
By later US patents
- DC operated electronic ballast for fluorescent light166US 5,751,120 ASiemens Stromberg-Carlson · 1998
- Circuit arrangement92US 6,320,357 B1U. S. Philips Corporation · 2001
- High efficiency dimmable cold cathode fluorescent lamp ballast76US 6,011,360 APhilips Electronics North America Corporation · 2000
- Optical and temperature feedbacks to control display brightness74US 7,183,727 B2Microsemi Corporation · 2007
- Zero-voltage switching type electronic ballast for fluorescent lamp65US 5,500,792 ASamsung Electronics Co., Ltd. · 1996