Compound anamorphic mirror and frame for off-axis reflected imag

Details Compound anamorphic mirror and frame for off-axis reflected imag Compound anamorphic mirror and frame for off-axis reflected imag

1979-11-05

1981-11-10

Evans, F. L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350320, 358231, G02B 510

Patent

active

042994462

ABSTRACT:
A system for constructing an anamorphic mirror which reflects an image from an off-axis source such as a CRT display is disclosed. A rectangular frame is provided which has rectilinear top, bottom and side portions defining an inwardly directed continuous groove. The groove is linear along the side portions of the frame, and curved concavely along the top and bottom portions of the frame. A flexible reflective element is provided which is flat and has a trapezoidal shape widest at the top in its unflexed configuration. The element is flexed into a curved shape and inserted into the groove in the frame so that it retains its flexed configuration. The reflective element thus provides a mirror in which the reflected image is expanded towards the sides and presents a one-dimensional infinity effect to simulate a wide field having a variable depth, while maintaining the borders of the field linear to provide the illusion of a rectangle laid back at the top.

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