| 摘要 |
PURPOSE:To obtain an observation system for equipments which simply and efficiently checks the operating state of indoor or outdoor equipments by a portable receiver at an outdoor place, CONSTITUTION:The observation equipment 5 provided with a sensor 2 sensing a voltage, a current or a temperature or the like of various equipment 1, a CPU 3 converting information sensed by the sensor 2 into a coded signal, and a transmitter 4 sending an output signal from the CPU 3 in a form of an infrared-ray or a radio wave of a small power is fitted to an outdoor installation part of the various equipment 1 and a receiver 6 located in the neighbouring collects data of the equipment 1 sensed by the sensor 2. |
