Retractable head-up displays

Details Retractable head-up displays Retractable head-up displays

1978-05-26

1980-02-12

Henry, Jon W.

G02B 2710

Patent

active

041880900

ABSTRACT:
An aircraft head-up display head of the kind incorporating an image combiner through which an observer can view a distant scene, and from which optical images developed and projected by an optical projector are reflected to the observer, wherein the combiner is supported from a light obstructive member, e.g. the projector housing, which intrudes within the observer's field of view of the distant scene, but is sufficiently narrow not to obstruct the observer's field of view.

REFERENCES:
patent: 3170979 (1965-02-01), Baldwin et al.
patent: 3503146 (1970-03-01), Woplin
patent: 3549803 (1970-12-01), Becht et al.
patent: 3614314 (1971-10-01), Rossire
patent: 3787109 (1974-01-01), Vizenor
patent: 3816005 (1974-06-01), Kirschner
patent: 4082432 (1978-04-01), Kirschner
patent: 4099841 (1978-07-01), Ellis
Yoder; Paul R., Spie Journal, vol. 9, No. 1, Oct.-Nov. 1970, pp. 5-9.

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