| 摘要 |
PURPOSE: A radio keyboard is provided to prevent the complexity to control household electronic appliances with a separate remote controller when using a keyboard and a mistake. CONSTITUTION: A radio keyboard comprises of a main body of keyboard(1), a transmitting unit of optical signal(2) to transmit a signal of far-infrared ray arranged therein and a key area(3) arranged many keys and a functional unit of mouse(4) is installed on the surface of the main body of keyboard(1). The radio keyboard is embedded with plural cords of maker decided for each maker to optically control a TV, a VCR and so on of major makers. A PC of a signal receiving department is equipped a function to process by receiving the signal of far infrared rays transmitted from the transmitting unit of optical signal(2) and a display device. And household electronic appliances are the TV and the VCR operated with a remote controller of far-infrared ray and has a function operated with a direction by receiving the signal of far-infrared ray based on the separated cord of maker transmitted from the transmitting unit of optical signal(2).
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