更有效的一种方法是让电视直播通过运用分散的网络辐射装置发出讯号，覆盖所有可用的移动网络，从而尽可能大范围地向所有掌上设备散播无线信号。
A more efficient approach for live TV is to “multi-cast” a signal to all handsets using a separate radio network overlaid on the existing mobile network.
所以O'Brien先生一直研究一套基于天花板的系统，用于跟踪接收装置所在位置，利用来自定向传送器的几束激光向该装置发出信号。
So Mr O'Brien has been working on a ceiling-based system that tracks where a receiving device is, and then sends it a signal using several laser beams from a directional transmitter.
前置放大器电子线路或装置，用来探测并加强无线电接收机所发出的微弱信号，从而使其达到更加有力的增幅程度。
An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.
继电保护装置是一种反应电力系统故障和不正常运行状念，并动作于断路器跳闸和发出信号的设备。
Relay protection is one of device to respond the fault and abnormal circulate situation of electric power system, to make the breaker action and to send out the signal.
当设备异常或检测装置发出事故信号时，PC按程序进行异常事故显示、报警和处理。
PC will give a unusual accident display, alarming and treatment as programmed in case that the conveyer is out of normal order or any accident occurs in the detecting system.
当有人进入建筑物内或有人割破建筑物玻璃时，报警装置均会发出报警信号。
When someone enters the building, or someone lacerates the glass of the building, the alarm device can send out the alarm signal.
口述记录设备上的一种装置，当到达记录媒体末端时发出一个声响信号或可视信号。
On dictation equipment, a device that gives an audible or visual signal at the end of the recording medium.
仪表设上、下限二位开关型接点装置，在压力达到设定值时发出信号或通断控制电路，供作业系统自动控制或发讯用。
Instruments based on the lower limit of two switch-contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
当有水流通过时，水的导电性能使音乐讯响装置同时发出声光信号。
When water current passes through, the electrical conductivity of water can make music sounding apparatuses simultaneously send out acoustooptic signals.
检测装置模拟地面设备发出测试需要的制式信号，同时对发出的制式信号大小进行检测。
Testing device emits a standard signal like the ground equipment, and tests the amplitude of the standard signal.
为了使电力系统通信设备的呼叫装置更加使用方便工作可靠，我们研制了以按键电话机发出双音频呼叫信号进行选择接收的音频选号装置。
In order to improve the ringing method of telephone used in power systems, a type of selective calling device using audio frequency has been developed.
其结果就是，安装了这种制动器的装置随后发出电子信号——这些信号再被发送给计算机。
The result is a device that emits electrical signals - signals that can be sent to a computer.
若有一件物品遗漏，处理装置就会发出报警信号。
In case some article misses, the processor will send out alarm signal.
使用这种电子收音装置，可以在操作的同时，对不符合音量条件的声音信号发出提示信号，以便做出及时的调整。
When being in operation, the electronic radio receiver sends out cue signal if sound signal is not accorded with the condition of volume in order to make adjustment in time.
当物流运输装置在前进时遇到障碍时，则采用图像和光电传感器双重识别，使运输装置自动停止，并发出报警信号。
When the device meet the obstacle while moving forward, it can stop and alarm automatically through the image and optical electrical sensors which perform dual identify.
当物流运输装置在前进时遇到障碍时，则采用图像和光电传感器双重识别，使运输装置自动停止，并发出报警信号。
When the device meet the obstacle while moving forward, it can stop and alarm automatically through the image and optical electrical sensors which perform dual identify.
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