Camera optics for producing a composite image from two scenes

Details Camera optics for producing a composite image from two scenes Camera optics for producing a composite image from two scenes

1986-11-07

1988-06-14

Henry, Jon W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350286, 358 87, 354110, 352 65, G02B 2710, G02B 1714, G02B 504

Patent

active

047508108

ABSTRACT:
Lenses (10,11) , e.g. for a camera for a video conferencing system, have divergent optical axes and focus real images via prisms (20,21,22,23) on to a focal plane f. A prism (20) in one path introduces an additional reflection to invert the image while that (22) in the other path causes lateral inversion, so that the two images do not suffer either type of inversion relative to one another. The final reflecting surfaces 211,231 abut in the plane f so that the real images are closely juxtaposed.

REFERENCES:
patent: 2895374 (1959-07-01), Price
patent: 3670097 (1972-06-01), Jones
patent: 3932702 (1976-01-01), Shelley et al.
patent: 4040723 (1977-08-01), Groenheweg
patent: 4167756 (1979-09-01), Smith
patent: 4288819 (1981-09-01), Williams

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