US PATENT SUBCLASS 352 / 36
.~ Reproducer and screen arrangements


Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

1  DF  WITH SOUND ACCOMPANIMENT {12}
36.~ Reproducer and screen arrangements


DEFINITION

Classification: 352/36

(under subclass 1) Subject matter in which a particular special relationship exists between the picture and sound reproducer and a viewing screen.

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11, for a system with a plurality of sound transducers located at predetermined positions with respect to the screen to allocate the sound to a particular portion of the reproduced motion picture.

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359, Optics: Systems (Including Communication) and Elements,

444, for projection screens with a sound producer and subclass 445 for acoustical screens.