Screen device

Details Screen device Screen device

1990-07-17

1991-03-05

Isen, Forester W.

Electrical audio signal processing systems and devices

Noise or distortion suppression

Interpolation

381152, 381188, 381205, 352 11, 181161, H04R 102

Patent

active

049982834

ABSTRACT:
A screen device suited to use in a projection type display device for a high-definition television set. The screen device includes a screen on which television images are projected, and a screen frame to which this screen is attached at the central section thereof. Incorporated into this screen frame are speakers which are used as the front speakers of a sound reproduction system of the type which is commonly known as the 3-1 type 4-channel system.

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patent: 4385210 (1983-05-01), Marquiss
patent: 4410761 (1983-10-01), Schickedanz
"Mit Stereoton", Fernsehgerate-Bildplatte, Funkausstellung '81, pp. 60-63.
"A Triphonic Sound System for Television Broadcasting", Emil Torick, SMPTE Journal, Aug. 1983, pp. 843-848.
NHK Technical Report, 1986 11, vol. 29, pp. 417-420.

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