2) wireless visual inter-conversation doorbell system
无线可视对讲门铃系统
1.
The design and implementation of voice communication of the wireless visual inter-conversation doorbell system;
无线可视对讲门铃系统中语音通信的设计与实现
4) visual inter-conversation
可视对讲
1.
Design of a visual inter-conversation door-entry control system based on ST7537HS1
基于ST7537HS1的多功能可视对讲门禁系统的设计
2.
This paper introduces a visual inter-conversation door-entry control management system, and then explains the structure, function, hardware, software and the realization of this system.
文章介绍了一种可视对讲门禁管理系统,说明了其结构、功能、硬件、软件及其实现。
5) picturephone-bell
可视电话门铃
6) visual conversational system
可视对讲系统
1.
Summarization of entrance guard visual conversational system design in the residential quarters;
住宅小区带门禁可视对讲系统设计概述
补充资料：门铃
1.安装在门内的铃。铃键在门外，用来从门外唤人开门。近现代通常装置的是电铃。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条