G - Physics – 12 – B
Patent
G - Physics
12
B
G12B 11/04 (2006.01) F21V 33/00 (2006.01)
Patent
CA 2069606
Abstract Pointers are normally used in classrooms or instructional settings to draw attention to material displayed on a screen. In this invention the pointer has a light source close to its tip, controlled by the operator, to improve the effectiveness of the pointer in drawing attention to a particular point or or area on a screen. The pointer may also have the means for generating intermittent light and sound to further enhance its function.
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