(under the class definition) Subject matter wherein the projector is especially adapted to project an image of a map or navigation chart; an image of a target onto a map or chart; or a target which represents a vehicle such as an aircraft onto a screen.
SEE OR SEARCH THIS CLASS, SUBCLASS:
114, for a pointer which denotes a certain part of a projected image.
SEE OR SEARCH CLASS
73, Measuring and Testing,
178, for navigation instruments. 340, Communications: Electrical,
988+, for electrical means in combination with a projector for plotting a vehicle's position.
434, Education and Demonstration,
44, and 69+ for similar structure where training mechanism is claimed which the student controls, adjusts or handles to help train him.
