Radiant energy – Photocells; circuits and apparatus – Combined with diverse-type device
Patent
1979-01-08
1981-10-20
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Combined with diverse-type device
346 75, 358 75, G01D 1518
Patent
active
042963176
ABSTRACT:
A paint application method with manual or automatic guidance of the spray gun at a constant distance from the working surface in the zone of picture reproduction, with the amount of sprayed paint controlled by the intensity of a light beam guided by a picture pattern. The light beam strikes a photocell cooperating with a control element of the spray opening of the spray gun, the photocell or/and the picture pattern being moved synchronously with the guide movement of the spray gun. With manual guidance of the spray gun, the light beam may be a projection beam which projects the picture pattern on the working surface. The spray opening may be guided automatically row for row over the working surface. A stationary photocell may be connected electrically to the control element of the spray gun, or a photocell mechanically connected to the spray gun may be used and the picture pattern displaced vertically in synchronism with the vertical guide movement of the spray gun in a plane perpendicular to the beam and the photocell with light source and beam displaced horizontally in synchronism with the horizontal guide movement of the spray gun relative to the picture pattern.
REFERENCES:
patent: 1709926 (1929-04-01), Weaver
patent: 2035825 (1936-03-01), Muller
patent: 2413706 (1947-01-01), Gunderson
patent: 2573143 (1951-10-01), Jacob
patent: 4146900 (1979-03-01), Arnold
Fogiel Max
Hostetter Darwin R.
Nelms David C.
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