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SOLID STATE ELECTRONICS-NAMELY, SOLID STATE DRIVERS OF ELECTRONIC DISPLAYS AND SOLID STATE CONTROLLERS OF ELECTRONIC VISUAL DISPLAYS; DATA MODEMS-NAMELY, SOLID STATE ELECTRONIC MODEMS TO TRANSFER INFORMATION BETWEEN REMOTE COMPUTERS VIA DATA LINES; ELECTRONIC VISUAL DISPLAYS-NAMELY, LAMP BANK OR LAMP EMITTING DIODE MATRICES, WHEREUPON WRITTEN OR GRAPHIC MESSAGES ARE PRESENTED FOR A VIEWING AUDIENCE; EXTERIOR AND INTERIOR DISPLAYS-NAMELY, LAMP OR LIGHT EMITTING DIODE MATRICES WHICH ARE USED FOR PRESENTATION OF CHANGEABLE WRITTEN OR GRAPHIC MESSAGES, SUITABLE FOR INTERIOR OR EXTERIOR APPLICATIONS; TIME AND TEMPERATURE DISPLAYS-NAMELY, LAMP BANK OR LIGHT EMITTING DIODE MATRICES PROGRAMMED TO DISPLAY INFORMATION REGARDING TIME AND TEMPERATURE; AIRPORT ELECTRONIC INFORMATION DISPLAYS-NAMELY, CHANGEABLE, ELECTRONIC VISUAL DISPLAY SYSTEMS WHEREUPON INFORMATION REGARDING FLIGHT DEPARTURES, ARRIVALS ETC., ARE PRESENTED AND UPDATED; ELECTRONIC INFORMATION SYSTEMS, COMPRISING AN ELECTRIC LAMP OR LIGHT EMITTING DIODE DISPLAY MATRIX, A SERIES OF ELECTRONIC DRIVERS TO SYSTEMATICALLY SWITCH THE DISPLAY BULBS ON OR OFF, AND AN ELECTRONIC CONTROLLER INTO WHICH INFORMATION CAN BE ENTERED FOR DISPLAY; ELECTRONIC SCOREBOARDS WHEREUPON SCORING INFORMATION IS PRESENTED WITH LAMP OR LIGHT EMITTING DIODE MATRICES; ELECTRONIC VISUAL DISPLAYS FOR HORSERACE TRACKS-NAMELY, CHANGEABLE, ELECTRONIC VISUAL DISPLAY SYSTEMS, WHEREUPON INFORMATION REGARDING PERIODIC UPDATES OF PARI-MUTUAL BETTING STATUS, RACE OUTCOMES AND ADVERTISING MESSAGES ARE PRESENTED