The invention relates to a shutter for an optical imaging system, e.g. a digital camera. The shutter comprises an interface between a transparent body and a capillary space. Light rays introduced to the active area of the interface are reflected by total internal reflection when the capillary space is...http://www.google.es/patents/US7427745?utm_source=gb-gplus-sharePatente US7427745 - Optical shutter for miniature cameras
