发明授权
US09285791B2 Monitoring system 有权
监视系统

Monitoring system
摘要:
A monitoring system can be used to monitor an operation status of at least one machine. The machine has an operation lamp. The operation lamp is used to emit light when the operation status of the machine is under operation. The monitoring system includes at least one light sensor and at least one controller. The light sensor is disposed at the operation lamp for emitting a sensing signal according to the brightness of the operation lamp of the machine. The controller is electrically connected with the light sensor for determining, the operation status of the machine according to the sensing signal.
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