Illumination – With control console
Patent
1993-02-04
1994-02-15
Dority, Carroll B.
Illumination
With control console
362 24, F21V 3300
Patent
active
052872513
ABSTRACT:
A control panel includes a cover plate and at least one cap-shaped control key or button. The key includes a cap-shaped plastic substrate the side wall of which includes a light-block cylindrical portion for preventing light from leaking out through the side wall, even if the light-block coating formed on the outer surface of the side wall is not sufficient.
REFERENCES:
patent: 5130897 (1992-07-01), Kuzma
Dority Carroll B.
Marui Industry Co., Ltd.
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