|
| US4061911 | 14 Apr 1976 | 6 Dec 1977 | Audio Visual Innovators Corporation | Automatically switched spare lamp for a light projector |
| US4142129 | 25 May 1977 | 27 Feb 1979 | Victor Hasselblad AB | Lamp changing system for projectors |
| US4350417 | 6 Mar 1981 | 21 Sep 1982 | Strong Electric Corporation | Apparatus to control light intensity from arc lamp |
| US4518233 | 21 Dec 1983 | 21 May 1985 | General Audio-Visual Inc. | Automatic lamp changer for modular slide projector |
| US6409350 | 26 Oct 2000 | 25 Jun 2002 | Matsushita Electric Industrial Co., Ltd. | LCD projector |
| US6611293 | 21 Dec 2000 | 26 Aug 2003 | DFR2000, Inc. | Method and apparatus for synchronization of ancillary information in film conversion |
| US6724420 | 21 Dec 2000 | 20 Apr 2004 | DFR2000, Inc. | Portable film conversion device |
| US6829012 | 21 Dec 2000 | 7 Dec 2004 | DFR2000, Inc. | Method and apparatus for a digital parallel processor for film conversion |
| US6864913 | 21 Dec 2000 | 8 Mar 2005 | | Method and apparatus for a reconfigurable digital processor for film conversion |
| US6891562 | 21 Dec 2000 | 10 May 2005 | Stuart T. Spence Harry L. Tarnoff | Optical design for film conversion device |
| US7513627 | 30 Dec 2005 | 7 Apr 2009 | Honeywell International Inc. | Image projection system with vibration compensation |