Display device

Details Display device Display device

1998-04-08

2000-08-01

Shalwala, Bipin

Computer graphics processing and selective visual display system

Plural display systems

Tiling or modular adjacent displays

345 55, 345 73, 345 98, 345212, 345 30, 348383, G09G 320

Patent

active

06097351&

ABSTRACT:
A display device which includes a simplified wiring for respective display elements is provided to facilitate the assembly and maintenance. The display device is constituted of a large number of display units (50) arranged in a matrix, each including a display element (10) composed of a light bulb, a regulator (51) composed of a relay, an nonvolatile memory (52) composed of an EEPROM, and a controller (53) composed of a CPU. A common electric power transmission line (61) and a common signal transmission line (71) are wired for the plural display units (50). A display signal including address information and data information is supplied to the signal transmission line (71). Each controller (53) controls an associated regulator (51) to light on/off an associated display element (10), based on the data information in the display signal only when the address stored in the nonvolatile memory (52) agrees with the address information in the display signal.

REFERENCES:
patent: 3651493 (1972-03-01), Ngo
patent: 4720709 (1988-01-01), Imamura et al.
patent: 4901155 (1990-02-01), Hara et al.
patent: 5410328 (1995-04-01), Yoksza et al.
patent: 5451979 (1995-09-01), Levac
patent: 5914698 (1999-06-01), Nicholson et al.

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