G - Physics – 09 – G
Patent
G - Physics
09
G
375/53
G09G 3/20 (2006.01)
Patent
CA 2008587
ABSTRACT OF THE DISCLOSURE A modular device for displaying both travelling and non-travelling messages is disclosed and comprises a ROM cartridge for software storage which supervises the serial transfer of information from a remotely located computer to a matrix display; a serial to parallel converter transforms serial data into parallel data and generates control signals; and a modular matrix display which is comprised of identical sections, each mounted in a housing and having a bank of luminous output devices and a matrix control board. The unique electronical and mechanical construction of the sections allows easy horizontal or vertical fastening or detachment, in order to obtain a desired size for the matrix display. The switching of the output power supply is accomplished by opto-isolator TRIACS which separate the low voltage control signal containing the information, from the electric circuit of the output device so that they are individually powered by a plurality of types and magnitudes of voltages. The control utilized also permits a message to be held in a position or to be moved at varying speeds on the matrix display.
Badger Allan
Badger Gordon
Piatt Roger
Badger Allan
Badger Gordon
G. Ronald Bell & Associates
Piatt Roger
LandOfFree
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