Matrix display device

Details Matrix display device Matrix display device

1994-01-25

1995-12-19

Dorner, Kenneth J.

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Alphanumeric device

40446, 40492, 345111, G09F 940

Patent

active

054759390

ABSTRACT:
An electromagnetic display matrix includes easily replaceable modules mounted on a panel that is fitted with electromagnets, each module carrying an array of rotatable reflective vanes and a display sheet having an array of back-lit diffusers. The display sheet is removable by sliding it on the surface of the module, and the module is removable by sliding it on the surface of the panel. Tabs are provided by which the module can be released from the panel.

REFERENCES:
patent: 4070668 (1978-01-01), Kawaharada et al.
patent: 4163332 (1979-08-01), Salam
patent: 4819357 (1989-04-01), Salam
patent: 5111193 (1992-05-01), Huber et al.
patent: 5185600 (1993-02-01), Salam
patent: 5266935 (1993-11-01), Wahlert

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