Detecting Device and Detecting Method
AssigneeWistron Corporation
InventorMeng-Ru Tsai
Life of this patent
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Abstract
A detecting device for detecting a stack light state is disclosed. The detecting device comprises a low-pass filter configured to perform low-pass filtering on an input signal to generate a first output voltage; and a logic circuit coupled to the low-pass filter and configured to determine the stack light state according to the first output voltage; wherein the input signal is a pulse width modulation signal and a voltage level of the first output voltage is between a highest voltage level and a lowest voltage level of the pulse width modulation signal.
Claims15
A detecting device for detecting a stack light state, comprising:
- a low-pass filter configured to perform low-pass filtering on an input signal to generate a first output voltage;
- and
- a logic circuit coupled to the low-pass filter and configured to determine the stack light state according to the first output voltage;
- wherein the input signal is a pulse width modulation signal and a voltage level of the first output voltage is between a highest voltage level and a lowest voltage level of the pulse width modulation signal.
A detecting method for detecting a stack light state, comprising:
- performing low-pass filtering on an input signal to generate a first output voltage;
- and
- determining the stack light state according to the first output voltage;
- wherein the input signal is a pulse width modulation signal and a voltage level of the first output voltage is between a highest voltage level and a lowest voltage level of the pulse width modulation signal.
Dependencies are inferred from the claim text.