| 摘要 |
A command detecting device of the present invention includes a comparator, a detection state selector, a time detector, and a detection time switch. The comparator compares a command input from the outside with a certain voltage value and outputs its comparison result as a first state or a second output state. The detection state selector selects an output state that has been determined as a valid output state out of the two output states from the comparator. The time detector measures a duration time of the valid output state and switches the control command when the duration time reaches a given set time. The detection time switch switches the set time for the time detector. The output state selected as the valid output state by the detection state selector is switched by the control command.
|
