| 摘要 |
PROBLEM TO BE SOLVED: To obtain a wireless keyboard interface circuit which is superior in availability, portability, and remove operability. SOLUTION: Operatoin data supplied from a key operation part 1 are supplied to a character code generating circuit 4 and transmitted by radio to the reception control circuit 13 of one of computers 21 to 2n which matches in computer ID through a keyboard transmission control circuit 5. The computer ID is specified with a keyboard ID changeover switch 6 and a computer ID check control circuit 14 checks the computer ID generated by a computer ID generating circuit 16 and the keyboard ID included in the data received from the keyboard and passes the computer ID to a CPU 18 when they match with each other. Display data received by a keyboard reception control circuit 11 are displayed by a display unit 12 by comparing the computer ID and sending the data to a display control circuit 9 when they match with each other.
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