The electrically actuated light filter operates in a cyclical temporal mode to effect a tristimulus-color light analyzer. Construction is based on a Fabry-Perot interferometer comprised of a high-speed movable mirror pair and cyclically powered electrical actuators. When combined with a single vidicon...http://www.google.es/patents/US5142414?utm_source=gb-gplus-sharePatente US5142414 - Electrically actuatable temporal tristimulus-color device
