Display demonstration system for providing enlarged projected im

Details Display demonstration system for providing enlarged projected im Display demonstration system for providing enlarged projected im

1991-09-27

1992-12-01

Shoap, Allan N.

Optics: image projectors

Miscellaneous

353 97, 353 56, 353DIG5, 434365, G09B 2302, G03B 2114

Patent

active

051682940

ABSTRACT:
A calculator (20) or other computing device uses a remote display (22) set upon an elevated platform (26) above the base (12) of an overhead projector (10). Light through the base lens (14) is passed through the display (22) and is enlarged by lens (30).

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patent: 5035502 (1991-06-01), Stokes
patent: 5041965 (1991-08-01), Chen
Walter C. Connolly, "Apparatus for Teaching Physics", The Physics Teacher, Sep. 1985, pp. 382-383.

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