| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor driving apparatus for applying a driving voltage to a motor through a power supply line, capable of bidirectionally transmitting a signal related to an output from a sensor provided in the motor and a signal related to an input to a sensor section for controlling an operation of the sensor through the power supply line. <P>SOLUTION: A transmission circuit 5 detects a rise of the driving voltage V, generates a synchronization signal P1, modulates a transmitted bit sequence by a modulation circuit (54) in synchronization with the synchronization signal P1, and transmits it through the power supply line 3. The transmission circuit 8 detects a fall of the driving voltage V, generates a synchronization signal P3, modulates a transmitted bit sequence by a modulation circuit (84) in synchronization with the synchronization signal P3, and transmits it through the power supply line 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
