Patent ID: 9285791
Filing Date: 2016-03-15
CPC Classification: G05B,G06K,G07C,G09G

Claim Text:
1. A monitoring system for monitoring an operation status of at least one machine, wherein each of the at least one machine has an operation lamp, the operation lamp is for emitting light when the operation status of the machine is under operation, the monitoring system comprising: at least one light sensor disposed at the operation lamp for sending a sensing signal according to brightness of the operation lamp of the machine; at least one fastener disposed at the operation lamp, the light sensor being disposed at the fastener, wherein the fastener includes a light-shielding body, the light-shielding body has an accommodation groove and an inner surface, the inner surface is adjacent to the operation lamp, the accommodation groove is concavely formed at the inner surface, and the light sensor is accommodated in the accommodation groove; and at least one controller electrically connected with the light sensor for determining the operation status of the machine according to the sensing signal.