Head-up displays

Details Head-up displays Head-up displays

1978-03-16

1979-12-11

Corbin, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350174, 358 55, G02B 2714

Patent

active

041780744

ABSTRACT:
A head-up display optical projector using a Petzval type collimating optical system wherein a secondary image is injected through an optically flat peripheral surface of a lens included in the Petzval lens group closer to the main image display surface of the projector, the lens incorporating an interior flat dichroic film for combining the main and secondary images.

REFERENCES:
patent: 3840289 (1974-10-01), Day
patent: 4081209 (1978-03-01), Heller et al.

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