System for the projection of cinematographic works and...

Details System for the projection of cinematographic works and... System for the projection of cinematographic works and...

2011-08-30

2011-08-30

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Mounting or support feature of housed loudspeaker

C381S333000, C381S152000

Reexamination Certificate

active

08009854

ABSTRACT:
A system for the projection of cinematographic works or digital works with sound having at least one sound channel. The system comprises a screen and, for the sound channel, at least one woofer and at least one medium/treble transducer. The screen is a non-perforated screen. The medium/treble speaker is a flat sound transducer placed against the screen to the rear thereof in relation to the direction of projection. An extreme treble speaker is disposed on the periphery of the screen.

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Dolby Labs, “Technical Guidelines for Dolby Stereo Theatres”, Nov. 1994, Rev. 1.33, pp. 37-38.

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