Y10S 315/02
High frequency starting operation for fluorescent lamp
Y10S315/02 (High frequency starting operation for fluorescent lamp) appears on 144 US grants and 15 published applications in this corpus.
Search patents in Y10S- Granted patents
- 144
- Published applications
- 15
- Assignees
- 71
- Inventors
- 226
- Latest grant
- 28 Feb 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 3 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Circuit arrangement for operating at least one high-pressure discharge lamp28 Feb 2012US 8,125,156 B2OSRAM GmbH
- Fast run-up of metal halide lamp by power modulation at acoustic resonance frequency15 Dec 2009US 7,633,237 B2Osram Sylvania Inc.
- High efficiency electronic ballast for metal halide lamp2 Dec 2008US 7,459,862 B2Fujian Juan Kuang Yaming Electric Limited
- Ballast for high-pressure discharge lamp and method of operating the same10 Jun 2008US 7,385,361 B2Matsushita Electric Industrial Co., Ltd.
- Square wave drive system22 Jan 2008US 7,321,200 B2Microsemi Corporation
- Fast run-up of metal halide lamp by power modulation at acoustic resonance frequency26 Mar 2009US 2009/0079366 A1Osram Sylvania Inc.
- High efficiency electronic ballast for metal halide lamp27 Sep 2007US 2007/0222398 A1Fujian Juan Kuang Yaming Electric Limited
- Device and method for lighting high-voltage discharge lamp25 Jan 2007US 2007/0018591 A1Matsushita Electric Industrial Co., Ltd.
- Multiple-ccfl parallel driving circuit and the associated current balancing control method for liquid crystal display1 Jun 2006US 2006/0113926 A1
- Square wave drive system2 Feb 2006US 2006/0022612 A1Microsemi Corporation
Most cited
By later US patents
- Fluorescent lamp controllers115US 4,952,849 ANorth American Philips Corporation · 1990
- Variable high frequency ballast circuit114US 4,700,113 ANorth American Philips Corporation · 1987
- Compact fluorescent lamp dimming system110US 5,144,205 ALutron Electronics Co., Inc. · 1992
- Dual mode solid state inverter circuit for starting and ballasting gas discharge lamps79US 4,060,751 AGeneral Electric Company · 1977
- Discharge lamp ballast with resonant starting62US 4,053,813 AGeneral Electric Company · 1977