H05B 39/10
Circuits providing for substitution of the light source in case of its
Official title: Circuits providing for substitution of the light source in case of its failure {(changing to a reserve current source H02J9/00)}
H05B39/10 (Circuits providing for substitution of the light source in case of its) appears on 72 US grants and 55 published applications in this corpus.
Search patents in H05B- Granted patents
- 72
- Published applications
- 55
- Assignees
- 33
- Inventors
- 75
- Latest grant
- 24 May 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 11 |
| 2003 | 5 | 3 |
| 2004 | 6 | 4 |
| 2005 | 1 | 10 |
| 2006 | 4 | 6 |
| 2007 | 7 | 7 |
| 2008 | 4 | 7 |
| 2009 | 0 | 3 |
| 2010 | 4 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- DC operated Christmas light string24 May 2016US 9,351,383 B2JLJ, Inc.
- Method and apparatus for diagnosing and repairing faults in a series-connected lamp string18 Mar 2014US 8,672,510 B1
- Process and device for monitoring the illumination of lamp bulbs22 Jun 2010US 7,742,161 B2Airbus France
- Flasher bulbs with shunt wiring for use in series connected light string with filament shunting in bulb sockets8 Jun 2010US 7,732,942 B2JLJ, Inc.
- Dual mode searchlight dimming controller systems and methods9 Mar 2010US 7,675,248 B2Honeywell International Inc.
- Lamp assembly, lamp system and method for operating a lamp system11 Mar 2021US 2021/0070330 A1Siemens Mobility GmbH
- Dc operated christmas light string18 Feb 2016US 2016/0050739 A1JLJ, Inc.
- Continuous current control circuit modules of series string bulbs type6 May 2010US 2010/0109538 A1
- Miniature light bulb for random high-low twinkle in a series-wired light string4 Mar 2010US 2010/0052535 A1
- Gold or silver plated wire leads on christmas lights21 May 2009US 2009/0128042 A1JLJ, Inc.
Most cited
By later US patents
- Light string with improved shunt system99US 5,453,664 A1995
- Filament bypass circuit79US 4,727,449 AChiu Technical Corporation · 1988
- Series connected light string with filament shunting71US 6,084,357 A2000
- Series connected light string with filament shunting70US 6,580,182 B2JLJ, Inc. · 2003
- Thermistor shunt for series wired light string59US 6,323,597 B1JLJ, Inc. · 2001