| |
 |
|
Class Information
Number: 353/86
Name: Optics: image projectors > Lamp control > Dissolve type
Description: Subject matter including means to gradually extinguish the lamp to fade out a picture or to gradually increase the illuminating power of the lamp to fade in a picture.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7357514 |
Methods and systems for improving operation of a video projector |
Apr. 15, 2008 |
| 7055966 |
Illuminator and projector |
Jun. 6, 2006 |
| 6866390 |
Image modification effects for image projection lighting devices |
Mar. 15, 2005 |
| 6631996 |
Projection system, and method of operating a projection system |
Oct. 14, 2003 |
| 6540363 |
High reliability display system |
Apr. 1, 2003 |
| 6520648 |
Lamp power pulse modulation in color sequential projection displays |
Feb. 18, 2003 |
| 6508556 |
Projection display apparatus |
Jan. 21, 2003 |
| 4595266 |
Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates |
Jun. 17, 1986 |
| 4350417 |
Apparatus to control light intensity from arc lamp |
Sep. 21, 1982 |
| 4274719 |
Slide projector |
Jun. 23, 1981 |
| 4231643 |
Photographic film projection dissolve system for arc lamp projectors |
Nov. 4, 1980 |
| 4165161 |
Multiple optics slide projector |
Aug. 21, 1979 |
| 4097134 |
Projection device |
Jun. 27, 1978 |
| 4086005 |
Audio-visual programmer |
Apr. 25, 1978 |
| 4080637 |
Synchronized tape slide projector control system |
Mar. 21, 1978 |
| 4076399 |
Control mechanism for a plurality of slide projectors |
Feb. 28, 1978 |
| 4029407 |
Fading mechanism for slide projectors with automatic focusing means |
Jun. 14, 1977 |
| 3958875 |
Apparatus for controlling slide projectors |
May. 25, 1976 |
|
|
|
