H - Electricity
04
N
88/92
H04N 5/74 (2006.01) G03B 21/56 (2006.01) H04N 5/64 (2006.01)
Patent
CA 1325540
ABSTRACT OF THE DISCLOSURE 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 tele- vision 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.
586490
Kawashima Kazumi
Nishida Tsutomu
Okumura Naoji
Sakanishi Yasuaki
Shintani Naoki
Marks & Clerk
Matsushita Electric Industrial Co. Ltd.
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