G03B 15/0457
Ignition mechanisms for sequential ignition of flash lamps
Official title: {Ignition mechanisms for sequential ignition of flash lamps}
G03B15/0457 (Ignition mechanisms for sequential ignition of flash lamps) appears on 106 US grants and 2 published applications in this corpus.
Search patents in G03B- Granted patents
- 106
- Published applications
- 2
- Assignees
- 11
- Inventors
- 78
- Latest grant
- 15 Feb 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 14 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Strobe flash photographic illumination15 Feb 2005US 6,856,356 B1Hewlett-Packard Development Company, L. P.
- One-time use camera with multi-lamp flash26 Jan 1999US 5,864,718 AEastman Kodak Company
- Single-use camera with chemical flash array16 Jun 1998US 5,768,638 AEastman Kodak Company
- Camera selects unused flash bulb farthest from taking lens to reduce red-eye effect when camera-to-subject distance within near range13 Jan 1998US 5,708,866 AEastman Kodak Company
- Multiple taking lenses, equal number flash bulbs, camera with flash-lens sequencing to reduce red-eye14 Oct 1997US 5,678,073 AEastman Kodak Company
Most cited
By later US patents
- Radiation switch for photoflash unit80US 4,336,570 AGTE Products Corporation · 1982
- Camera selects unused flash bulb farthest from taking lens to reduce red-eye effect when camera-to-subject distance within near range50US 5,708,866 AEastman Kodak Company · 1998
- Multiple taking lenses, equal number flash bulbs, camera with flash-lens sequencing to reduce red-eye43US 5,678,073 AEastman Kodak Company · 1997
- Switching devices for photoflash unit32US 3,951,582 AGeneral Electric Company · 1976
- Multilamp photoflash unit having radiant-energy-activated quick-disconnect switch31US 4,017,728 AGTE Sylvania Incorporated · 1977