| 摘要 |
<p>TITLE DIGITAL REMOTE CONTROL SYSTEM A method and system for remotely controlling the desired channel and volume selections of a television receiver and other like devices are disclosed herein. The system comprises a transmitter, receiver and information detector, the latter incorporating logic circuitry. The transmitter converts the selection information to ultrasonic signals, and the receiver converts the ultrasonic signals to pulses applicable to logic circuitry. The logic circuitry is adapted to the television receiver so as to apply the selection information to the television receiver and thereby achieve the desired selection.</p> |
