Display systems

Details Display systems Display systems

1984-12-03

1987-12-22

Buczinski, Stephen C.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340705, 358109, G02B 2714, G09G 302

Patent

active

047143207

ABSTRACT:
In a display system light from an object (14) is deflected on to a collimator (16) and superimposed on an external view through a combiner (10) from an observing position (11). Relay optics (17) in the path of light from the object (14) has spaced apart elements (L.sub.1,L.sub.2) which produce first and second exit pupils (P.sub.1, P.sub.2). Exit pupil volumes (V.sub.1, V.sub.2) overlap to give an extended field of biocular view. The restricted field of view associated with prior art display systems is overcome since the present system provides a large field of view at the observing position (11), while system components fit within aircraft space constraints, such as windshield (19), fairing (33) and ejection line (20). Space remains available for other instrumentation, such as a second display CRT (45).

REFERENCES:
patent: 3892474 (1975-07-01), Nilsson
patent: 4264134 (1981-04-01), Ellis
M. H. Freeman, Optics Technology, Feb. 1969, Aug. 1969, Parts I & II, pp. 63 & 175 respectively.
The Photonics Dictionary, The Optical-Purchasing Directory, 1981.

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