1
Roger J Withrington: Optical display systems utilizing holographic lenses. Hughes Aircraft Company, W H MacAllister, Walter J Adam, February 24, 1976: US03940204 (158 worldwide citation)

This invention is applicable to display systems, such as in a helmet mounted display or a head-up display, utilizing a holographic lens operating at a relatively large off-axis angle in order to perform the dual function of a combiner glass and an eyepiece. The holographic lens is used in conjunctio ...


2
Optical display systems utilizing holographic lenses. Hughes Aircraft Co, October 19, 1977: GB1489323-A (9 worldwide citation)

This invention is applicable to display systems, such as in a helmet mounted display or a head-up display, utilizing a holographic lens operating at a relatively large off-axis angle in order to perform the dual function of a combiner glass and an eyepiece. The holographic lens is used in conjunctio ...


3
Optical display systems utilizing holographic lenses. Hughes Aircraft Co, August 20, 1976: FR2298809-A1

This invention is applicable to display systems, such as in a helmet mounted display or a head-up display, utilizing a holographic lens operating at a relatively large off-axis angle in order to perform the dual function of a combiner glass and an eyepiece. The holographic lens is used in conjunctio ...