| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a keyboard device surely free of electricity consumption of an incorporated driving power source during connection of a connecting code 6 in a both wired and wireless keyboard. SOLUTION: This keyboard device is capable of wired operation with the connection code 6 connected with the keyboard, and of wireless operation with the connecting code 6 non-connected therewith, and incorporates the driving power source of a keyboard circuit. A power switch 5 is connected between the keyboard circuit and the driving power source for performing switching operation according to connection and disconnection of the connecting code 6. When the connecting code 6 is disconnected from the keyboard, the power source switch 5 is ON, and when the connecting code 6 is connected, the power source switch 5 is OFF.</p> |
