Computer graphics processing and selective visual display system – Plural display systems – Tiling or modular adjacent displays
Patent
1998-08-26
2000-11-21
Shankar, Vijay
Computer graphics processing and selective visual display system
Plural display systems
Tiling or modular adjacent displays
345 56, 345 84, G09G 500
Patent
active
061509965
ABSTRACT:
Preferred embodiments of the present invention provide a sign system for creating extremely lightweight, reconfigurable, and changeable signs suitable for outdoor use adjacent to roadways. The system provides adjustable message screen size, electronically changeable messages and alphanumeric adjustable character size of at least 6 inches in height. The system comprises a sign controller and a plurality of interchangeable modules each sealed to be weather resistant. Each module having a display side with a rectangular screen portion, the screen portion having transparent portions with pixel elements positioned behind the transparent portions and within the module. Each module has the pixels arranged in a first matrix pattern and sufficient in number to provide alphanumeric characters and portions of characters of adjustable size of at least 6 inches. Each module having a bit map memory and being individually addressable with respect to other modules. The modules are arrangeable in a rectangular matrix on a support structure without a sign screen enclosure and with the screen portions of the modules defining a sign screen. The screen size reconfigurable by adding or subtracting display modules. The modules in communication with the sign controller to receive bit map data for forming, in conjunction with a plurality of other sign modules comprising a sign screen, and desired message.
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Freeberg Paul C.
McHenry Steve J.
Melby Gordon M.
Nicholson John P.
Nicholson Timothy J.
ADDCO, Inc.
Said Mansour M.
Shankar Vijay
LandOfFree
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