CHAPTER 5
THEORY
35. General
Still Picture Projector AP-5 (1) iS a device for the projection of the
image of an opaque object onto a projection screen. projection
stage on an undercarriage assembly is used as a support for opaque
objects and as a feeding mechanism for copy to be projected. The light
is rellected from the surface of the object to be projected. Printed
material, a page of a magazine or book, photographs, pictures in full
color, charts, and diagrams, can be projected with this device. Rela-
tively fiat physical objects such as small machine parts, cams, gears,
coins, etc., can also be projected. The projector uses a l,000-watt
projection lamp and has a projection opening of 10- by 10-inches.
-inch diameter, 22-inch focal length objectile
It is equipped with a 41
lens. A vacuum operated copy holding device and a conveyor belt-type
loading mechanism permit uninterrupted projection. The projector
also includes a built-in optical pointer by meanss of which details
anywhere on the screen can be pointed out by a projected arrow.
Figure 8. Still Picture Projector AP-5(1) functional Diagram
28
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