Controlled angle viewing screens by interference techniques

Details Controlled angle viewing screens by interference techniques Controlled angle viewing screens by interference techniques

1975-05-29

1976-12-07

Weinblatt, Mayer

Gas separation: apparatus

Electric field separation apparatus

With means to add charged solid or liquid particles to...

96 27H, 96 383, 96116, 350117, G03C 524

Patent

active

039960510

ABSTRACT:
A rear projection viewing screen combining high efficiency and uniformity of illumination with predetermined scattering characteristics is constructed through interference techniques. The viewing screen functions as a combination lens and appropriate diffuser.

REFERENCES:
patent: 3567444 (1971-03-01), Shankoff
"Hologram Formation in Hardened Dichromated Gelatin Films" Lin, May 1969, vol. 8, No. 5, Applied Optics, 963-966.

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