Table with integral projector

Details Table with integral projector Table with integral projector

1977-04-06

1978-09-19

Grieb, William H.

Optics: image projectors

Plural projection paths with single light source

35 26, 35 60, 353 77, 353119, G09B 1100

Patent

active

041142918

ABSTRACT:
A table for use in teaching children, particularly those with learning disabilities. The table includes a translucent top upon which a paper worksheet can be placed. An optical projector is mounted below the table top to direct an image onto the translucent table top. The image is seen through the paper worksheet and may be followed or traced by the child to develop psychomotor brain patterns.

REFERENCES:
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patent: 2958956 (1960-11-01), Olalainty
patent: 3162959 (1964-12-01), Woolman
patent: 3332317 (1967-07-01), Peckman et al.
patent: 3382592 (1968-05-01), Lucero
patent: 3662077 (1972-05-01), Kersten
patent: 3680224 (1972-08-01), Hall
patent: 3690020 (1972-09-01), McBratnie
patent: 3800441 (1974-04-01), MacPherson
patent: 3968575 (1976-07-01), Van Wilson

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