Overhead projector

Details Overhead projector Overhead projector

G - Physics

03

B

88/46.5

G03B 21/132 (2006.01) G03B 21/30 (2006.01)

Patent

CA 1280631

ABSTRACT OF THE DISCLOSURE A Fresnel lens is mounted on a base in the form of a thin rectangular plate to be placed on a flat table. A document to be projected is put on the Fresnel lens. A main projector body housing a power supply is pivotally mounted on one end of the base. A head having a light source and a mirror is angularly movably coupled to a post arm which is angularly movably or telescopically coupled to the main projector body. When not in use, the base, the main projector body, the head, and the post arm are collapsed and combined into a single block body for easy transpotation and storage.

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