The paper mainly discusses the automatic switching of the logic estimation circuit of the drum boiler's water level protection system.
文章主要讨论了锅炉汽包水位高低保护系统逻辑判断回路的自动切换。
Principle, circuit design, hardware structure, software flow and features of dual computer switching circuit of FTK-3 hump automatic control system are introduced in this paper.
本文介绍了FTK-3型驼峰自动控制系统双机切换电路的原理、电路设计、硬件结构、软件流程和特点。
A extendible Video-Audio Switcher circuit by hand-selecting or automatic sequential switching was intro duced.
介绍了手选和自动顺序切换均可任意扩展的视音频切换电路。
This paper describes a method to realize automatic switching and control in direct news broadcasting by means of EPROM. The design and circuit implementation is also given.
介绍了一种用eprom可编程器件实现新闻直播自动切换控制的方法，并给出了具体的设计和实现电路。
The utility model relates to a non-contact electronic flash light for vehicles, which is composed of a pulse oscillating circuit, a switching circuit, a temperature automatic protection circuit.
本实用新型汽车无触点电子闪光器是由脉冲振荡电路、开关电路温度自动保护电路所组成。
Two or two-circuit transmission line power supply should be able to automatic switching, self-generating equipment should be installed automatically activated.
两个电源或两回线路应能自动切换，自备发电设备应有自动启动装置。
This article proposes the operating principle and the program block-diagram of the automatic switching control to the main circuit-breaker on board of each powered unit of the train at proper time.
本文介绍了该装置对列车各车组适时进行主断路器自动分合闸控制的工作原理及程序框图。
This article proposes the operating principle and the program block-diagram of the automatic switching control to the main circuit-breaker on board of each powered unit of the train at proper time.
本文介绍了该装置对列车各车组适时进行主断路器自动分合闸控制的工作原理及程序框图。
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