Patent ID: 7855843
Filing Date: 2010-12-21
Classification: G02B,G06F,G06K

Abstract:
1. A folded air lens structure comprising: an object surface of a first portion, the object surface to pass light to illuminate an object at the object surface; a first transmissive surface of the first portion, the first transmissive surface to direct the light from the object surface into a folded air lens, wherein an index of refraction of the first portion and an index of refraction of the folded air lens are not equal; and a second transmissive surface of a second portion, the second transmissive surface to accept the light from the folded air lens, wherein the first portion is coupled to the second portion within a unified structure, and the light travels along a reflective path within the folded air lens from the first transmissive surface to the second transmissive surface.