Multiple sound picture projection cinema

Details Multiple sound picture projection cinema Multiple sound picture projection cinema

G - Physics

03

B

88/61

G03B 31/00 (2006.01)

Patent

CA 1249740

ABSTRACT OF THE DISCLOSURE An open air multiple screen cinema includes projection screens arranged outdoors in a circle or other arrangement about a centrally located automotive van having projection windows in alignment with the screens and housing angularly adjustable sound movie projectors directed through the windows to respective screens. A figure 8 magnetic induction loop is located within the viewing area of each screen and is electrically energized by an audio modulated current controlled by a respective movie sound projector and each of the viewers is provided with a magnetic field responsive receiver and coupled earphones so as to hear only the sound associated with the screen in the proximity of the viewer. The magnetic induction loops may be buried, at ground level, or supported overhead and may be of other configurations.

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