他的发明包括一个导盲机器人、一台地震报警器和一把电子门锁。
His inventions include a guide robot, an earthquake alarm and an electronic door lock.
地震报警系统的开发与部署已受到广泛的关注，地震开关是其中关键的技术手段。
The development and deployment of earthquake warning system have been paid more attention to recently, in which the seismic switch is a key tool.
本实用新型涉及一种地震报警器，由电源电路、震动传感器、报警延时控制电路和声响报警电路连接构成。
The utility model relates to an earthquake alarm which is formed by the connection of a power circuit, a vibration sensor, an alarm delay control circuit and a sound alarm circuit.
应用推荐