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2. More sophisticated PROFESSIONAL LASER DISPLAY SYSTEMS can draw and animate representational images, such as flying birds, dancers, galloping horses, moving logos. Such shows are often preprogrammed and played in synchronism to popular music. They are popular for concerts, sales promos, special events, festivals. Call Roctronics for more information. 781-826-8888

3. MID AIR "3D" TELEVISION IMAGES --- full color moving TV images suspended in space.

4. SCANNING PATTERN PROJECTORS --- motorized non-laser pattern projectors.