Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 352/42
Name: Optics: motion pictures > Methods > Exhibiting > Controlling projector illumination > With color filtration
Description: Subject matter wherein the regulation and control steps comprise a color filtration of the projector light source.










Patents under this class:

Patent Number Title Of Patent Date Issued
8167432 Method to display images using metamerism to prevent illegal copy May. 1, 2012
8011791 Light-filtering module and projecting system applied therewith Sep. 6, 2011
8002442 Color filter and method for its manufacture Aug. 23, 2011
7869618 Method and system for control of a device Jan. 11, 2011
6795158 Real time answerprint timing system and method Sep. 21, 2004
5805243 Liquid crystal projector using a spatial light modulator and two rotating color filters Sep. 8, 1998
4606625 Method for colorizing black and white footage Aug. 19, 1986
4472037 Additive color means for the calibration of stereoscopic projection Sep. 18, 1984











 
 
  Recently Added Patents
Systems and methods for managing and utilizing excess corn residue
Fail-safe upgrading of portable electronic device software
Solid-state image pickup element, method of manufacturing the same, and image pickup apparatus including the same
Antisense modulation of C-reactive protein expression
Micro-fluidic device
Printed circuit board unit having routing unit mounted thereon and computer device having the same
Systems and methods for online search recirculation and query categorization
  Randomly Featured Patents
Combination hand sink and trash receptacle
Ventricular by-pass valve for draining the cephalorachidian liquid in the hydrocephalus
Method for implementing a personal access communication system in a high mobility environment
Dynamic semiconductor memory with improved sense signal
Method of preparing fire retardant open-cell siloxane foams and foams prepared therefrom
Safety device for securing thumb or finger to a syringe
Process for removing selenium from sulfur
Circuit breaker responsive to repeated in-rush currents produced by a sputtering arc fault
Machine tool enclosure
Controller for a cross-point switching matrix