Drawing production aide

Details Drawing production aide Drawing production aide

1990-10-26

1992-02-18

Cuchlinski, Jr., William A.

Optics: image projectors

Simultaneous projection and manual delineation

353101, 353 87, 33 1K, 434 90, 434 88, G03B 2100

Patent

active

050888145

ABSTRACT:
A drawing production aide is disclosed which is designed to be placed over a working surface where an artist, engineer or architect is drawing. The device includes a carrier for a drawing and a light and lens system designed to project the drawing on the working surface. In a further aspect, the inventive aide includes an adjustable grid device designed to be used to visualize a scene in terms of a plurality of subsections, to best facilitate drawing the scene.

REFERENCES:
patent: 1111608 (1914-09-01), O'Brien
patent: 2083472 (1937-06-01), Reed
patent: 2263101 (1941-11-01), Perry
patent: 2522839 (1950-09-01), Reijns
patent: 2718814 (1955-09-01), Baston
patent: 3086296 (1963-03-01), Bergstrom
patent: 3632197 (1972-01-01), Shelton
patent: 3660903 (1972-05-01), Caperton Jr.
patent: 3950085 (1976-04-01), Grimm
patent: 4910541 (1990-03-01), Morgan

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