H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 31/20 (2006.01) H04N 9/31 (2006.01)
Patent
CA 2044904
ABSTRACT OF THE DISCLOSURE A projection-type television display includes suitable devices, such as cathode ray tubes, for generating red, green, and blue images respectively. The display also includes a common screen. The generated red image is projected onto the screen via a first projection lens unit. The generated green image is projected onto the screen via a second projection lens unit. The generated blue image is projected onto the screen via a third projection lens unit. At least one of the first, second, and third lens units includes a colored lens having a predetermined optical filtering effect.
Matsuda Isao
Matsumura Ryoji
Minami Seiji
Mitani Katsuaki
Matsuda Isao
Matsumura Ryoji
Matsushita Electric Industrial Co. Ltd.
Minami Seiji
Mitani Katsuaki
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