Retrofit visual display lens holder

Details Retrofit visual display lens holder Retrofit visual display lens holder

1983-04-21

1985-07-16

Arnold, Bruce Y.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

350452, 358252, D14106, G02B 2700

Patent

active

045292680

ABSTRACT:
An adjustable lens holder for use with a computer visual display which is adapted to permit interchanging of different lenses. The lens holder retains a lens, or other optical element, in spaced relation from the screen and is adjustable relative thereto. The space between the lens and the screen may be changed and the lens may be moved from side to side in the device and locked in various angular relationships relative to the face of the screen. The optical element of the present invention may be one or more magnifying lenses, color tinting lens or anti-glare filter. In one embodiment the lens may be a special mask having indicia designed to compliment the programmed visual display.

REFERENCES:
patent: 4051535 (1977-09-01), Inglis
patent: 4391495 (1983-07-01), Mazurkewitz
Axford, "Tilt Mechanism for Reducing CRT Reflection", IBM Technical Disclosure Bulletin, vol. 25, No. 7A, Dec. 1982, p. 3304.

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