Patent ID: 8368452

Claim:
A schedule controller, comprising: a delay circuit electrically connected to a power source to receive an input voltage, the delay circuit comprising: a voltage detection unit electrically connected to the power source, the voltage detection unit receiving the input voltage from the power source and comparing the input voltage with a predetermined voltage; a timer electrically connected to the voltage detection unit; and a first electronic switch electrically connected to the timer, the first electronic switch being switched on or off under the control of the timer; and a sequential control circuit electrically connected to the first electronic switch, the sequential control circuit providing a power sequence, wherein the when the voltage detection unit detects the input voltage is equal to or larger than the predetermined voltage, the timer is enabled to start timing during an interval time, and generates and outputs a switch signal to the first electronic switch when the interval time is reached, the first electronic switch is switched on under the control of the switch signal, and provides an output voltage to the sequential control circuit, the sequential control circuit controls and manages the output voltage according to the power sequence, the sequential control circuit comprises a first RC delay unit, a first voltage conversion unit, and a motherboard, the first RC delay unit, the first voltage conversion unit are electrically connected between the first electronic switch and the motherboard.