Display

Details Display Display

1984-12-31

1988-01-19

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340765, 340784, G09G 336

Patent

active

047207043

ABSTRACT:
A display for displaying variable and permanent data. It has two support plates 1 and 2 which form between themselves a chamber 3 in which a fluid which can be switched between optically different states is arranged. Polarizers are arranged on the sides of the support plates 1 and 2 which face away from the chamber 3. In the region of permanent data, transparent elements 14 are present between the support plates 1 and 2. Furthermore, a source of light 15 is arranged on the side of the cell facing away from the observer. The variable data consists of bright data against a dark background. The observer's side of the cell is provided with a light-impervious layer 8 which has cutouts 9 and 10 in the region of the variable data as well as in correspondence with the permanent data. A transflective layer is disposed in the cutput region to enable viewing the cutout region and permanent data via incident light.

REFERENCES:
patent: 4315258 (1982-02-01), McKnight et al.
patent: 4376934 (1983-03-01), Prohaska et al.
patent: 4403831 (1983-09-01), Amano
patent: 4410887 (1983-10-01), Stolov et al.
patent: 4412214 (1983-10-01), Tanaka et al.
patent: 4514920 (1985-05-01), Shafrir et al.
patent: 4562433 (1985-12-01), Biferno
patent: 4563678 (1986-01-01), Ziegler
patent: 4567481 (1986-01-01), Meirer et al.

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