该装置主体结构采用自力机械式结构。原理简单，无需外部电源，操作使用、维修保养方便。
With purely mechanical construction and no need of outside power, the device's working principle as well as its operation and maintenance is very simple.
该装置可同时处理八个摄像机，提供24伏和28伏可选输出，无需外部电源就能适应电压下降。
It handles up to eight cameras and offers 24-vac or 28-vac selectable outputs to accommodate voltage drops without an external power source.
用于这类用途的传感器需要具备以下几个特性：材质柔软的无线通路来满足患者的舒适需求、无需特别维护、无需外部电源、成本低廉；
Sensors for such applications needto be flexible and wireless for patient comfort, maintenance-free and notrequiring external energy supply, and cheap enough to permit disposable use toensure hygiene.
应用推荐