1
Thomas Riess: Method and apparatus for treatment of gait problems associated with parkinsons disease. Dergosits & Noah, January 28, 1997: US05597309 (310 worldwide citation)

A method for the treatment of gait problems associated with Parkinson's Disease in a subject involves the use of virtual cues which are delivered to the subject in a spatial orientation and at rate which enable the initiation and sustainment of ambulation, as well as the suppression of dyskinesia as ...


2
Doyle J Groves, William G Shogren, Joseph E Harter Jr: Head up display with night vision enhancement. Delco Electronics Corporation, Jimmy L Funke, May 9, 1995: US05414439 (269 worldwide citation)

A motor vehicle is equipped with an infrared camera for viewing roadway conditions in terms of a thermal image, and outputs a video signal to a head up display (HUD) which projects the camera view to the operator via the windshield or other combiner to display a virtual image in the operator's field ...


3
Juris Upatnieks: Compact head-up display. Environmental Research Institute of Michigan, Krass & Young, December 8, 1987: US04711512 (248 worldwide citation)

A compact head-up display comprising a combiner which combines light energy from an outside view with light energy transmitted within the combiner and diffracted out by means of an upper diffraction grating. The head-up display disclosed further comprises an image source, a collimating lens, and a l ...


4
J David Margerum, John H Erdmann, Khoon Cheng Lim: Dual PDLC-projection head-up display. Hughes Electronics, V D Duraiswamy, W K Denson Low, March 17, 1998: US05729242 (196 worldwide citation)

An optical system is provided that produces bright, high contrast head-up display images which are not adversely affected by the direct exposure to sunlight of the system's virtual image source. The optical system comprises a light source system which projects a focused light beam to a segmented, el ...


5
Michael Labrot, Didier Jousse: Head-up display device. Saint Gobain Glass France, Oblon Spivak McClelland Maier & Neustadt L, August 27, 2013: US08519362 (189 worldwide citation)

A laminated windshield incorporating a head up display device and a device displaying an image on such a laminated windshield. The windshield includes an assembly of two transparent sheets of inorganic glass or of an impact-resistant organic material of polycarbonate PC type, connected together by a ...


6
Robert B Wood, Mark A Thomas, John P Desmond: Automobile head-up display system with reflective aspheric surface. Flight Dynamics, Stoel Rives Boley Jones & Grey, October 9, 1990: US04961625 (188 worldwide citation)

An optical display system (10) presents visual source information to an observer (18). The display system includes a vision unit (14) that has reflective surfaces (16) through which the observer can view an outside world scene and which reflect source information emanating from an information source ...


7
Bong Won Yang: Head-up display for automobile. Hyundai Electronics Industrial, Morgan & Finnegan L, March 25, 1997: US05615023 (169 worldwide citation)

A head-up display for an automobile utilizing a light transmission hologram optical device as well as a light reflection hologram optical device. The head-up display is installed in a large truck or in a special freight car, such as a container car or a ready mixed concrete car, so that the head-up ...


8
Gregory L Heacock, Kyle S Johnston, Tomas E Lock, Wayde H Watters: Head mounted display system. Virtual Vision, McAndrews Held & Malloy, July 23, 1996: US05539422 (159 worldwide citation)

A head mounted display system is shown having a single optical element. The single optical element has three optical surfaces. An entrance surface receives a video image directly from a display. A reflective surface reflects the video image from the entrance surface to an exit surface wherein the us ...


9
Shiro Asakawa, Hiroshi Tsutsui, Yoshinao Taketomi, Eiichiro Okuda: Head up display unit, liquid crystal display panel, and method of fabricating the liquid crystal display panel. Matsushita Electric Industrial, Ratner & Prestia, April 6, 1999: US05892598 (158 worldwide citation)

A head up display unit equipped at least with transparent and flat image information display means, transparent and flat light irradiating means arranged in an opposed and close contact relationship with the image information display means, light supply means for supplying light to the light irradia ...


10
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 ...