Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1994-08-02
1996-03-05
Epps, Georgia Y.
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
359630, 359634, 345 7, G02B 2714, G09G 500
Patent
active
054972710
ABSTRACT:
A head up display system for a motor vehicle includes a sensor, display means for forming a video image from the signals received from the sensor and a projection system for projecting the video image onto the windscreen of the vehicle, the projection system including a mirror for deflecting the optical path of the projected image, said mirror being located directly in front of a driver of the vehicle at a level outside the normal field of view of the driver through the windscreen, the mirror being arranged; in a head up display mode, to direct the projected image onto the windscreen; and in a non-head up display mode, to permit direct viewing of the video image at a level outside the normal field of view of the driver through the windscreen.
REFERENCES:
patent: 3603929 (1971-09-01), Drysdale
patent: 3885095 (1975-05-01), Wolfson
patent: 3915548 (1975-10-01), Opittek
patent: 4697879 (1987-10-01), Gerbe
patent: 4737001 (1988-04-01), Moss
patent: 4987410 (1995-01-01), Berman
patent: 5037182 (1991-08-01), Groves
patent: 5129309 (1992-07-01), Lecuyer
patent: 5140465 (1992-08-01), Yasui
Chip, No. 6, Jun. 1990, Wurzburg, Germany, pp. 20-24, XP125797.
Rainer Grabowski `Head-up display, Bilder und texte schweben wie eine Fata Morgana im Raum erzeugt von Head-up Displays, dijetzt Einzug in die Alltagswelt halten. Es liegt was in der lugt`, p. 23, paragraph 2-paragraph 3 and p. 24, col. 3, paragraph 2.
Mulvanny Paul
Williams Malcolm
Epps Georgia Y.
Jaguar Cars Limited
Mock Ricky
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