| 摘要 |
A MULTIMEDIA KEYBOARD STRUCTURE WHICH INCLUDES A STANDARD KEYBOARD HAVING A CONTROL KEY PAD CONSISTING A SET OF KEYS FOR CURSOR, NUMBER, SCREEN SCROLL AND MULTIMEDIA FUNCTION CONTROLS, WHEREIN THE CONTROL KEY PAD IS CONNECTED TO THE SCAN MATRIX FORMED BY THE I/O LINES OF THE MICROPROCESSOR OF THE INTERNEL CIRCUIT STRUCTURE OF THE KEYBOARD , AND THE SCAN CODE OF NUM LOCK OR SCROLL LOCK IS ADAPTED TO MATCH WIN 95''S REGISGER IN TESTING THE FLAG BIT OF NUM LOCK OR SCROLL LOCK AND JUDGING ITS FLAG BIT THROUGH A DRIVER, SO THAT THE JOB OF CODE CONVERTING CAN BE EXECUTED, AND THE OPERATOR IS ALLOWED TO DIRECTLY CONTROL THE CONTROL KEY PAD, AND TO MONITOR THE OPERATION THROUGH A DISPLAY SCREEN TO WHICH THE STANDARD KEYBOARD IS CONNECTED BY MEANS OF EMPLOYING THE FUNCTION PROVIDED BY WINDEXEC O OF WINDOWS API TO THE PATH OF THE FILE AND THE FILE INDEX OF THE APPLICATION PROGRAM.
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