这里介绍的是一种实用的感应式电子门铃设计思路与制作方案。
Introducing that here is that one kind of pragmatic induced dyadic electron door bell designs a train of thought and makes a scheme.
本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
这种攻击好比于电子式的“按一下你家门铃然后立即跑开”：被攻击的的网站服务器把资源浪费在回复无谓的数据请求上。
The attacks use the electronic equivalent of ringing the site's doorbell and running away: the targeted site's server wastes its resources answering the call.
客人来访时，按一下按钮，门铃就会奏出优美的电子音乐。
Visitor, click the button, doorbell will play the beautiful electronic music.
由于电子音乐门铃具有悦耳动听，价格低廉，耗电少等优点，在现代家居中的应用越来越流行。
As the bell has a wonderful blend of electronic music, low price and low power consumption advantages of modern household more and more popular.
可视电话、可视门铃具有广阔的发展前景，其显像管电子枪属于关键部件。
The visible telephone and visible doorbell have wide application and bright prospects. The electron gun is one of the key components of the picture tube for visible systems.
当按一下按钮，门铃触发奏完一曲后即自动切断交流电源，不会误触发。可用来取代现有的电子音乐门铃。
When its button is pressed once, the bell is triggered to play a music and then AC power supply is automatically cut off without error triggering.
当按一下按钮，门铃触发奏完一曲后即自动切断交流电源，不会误触发。可用来取代现有的电子音乐门铃。
When its button is pressed once, the bell is triggered to play a music and then AC power supply is automatically cut off without error triggering.
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