基于MAX7456的字符叠加系统设计  

Design of character superimposition system based on MAX7456

作　　者：汪辉[1] 王昌明[1] 宋高顺[1] 潘文松[1] 

机构地区：[1]南京理工大学精密仪器系,江苏南京210094

出　　处：《电子设计工程》2010年第7期181-183,共3页Electronic Design Engineering

摘　　要：介绍了基于字符叠加器件MAX7456的字符叠加系统的结构,给出了该字符叠加系统的详细硬件设计和软件编程,并对显示字符的创建方法进行了阐述。该系统可以为手持设备提供必要的提示信息,作为数据解算的依据;并且可以有效地防止高科技人员在视频监视端对监控头及线路的造假行为,保证远程监控的真实性和可靠性。系统具有硬件结构简单,使用方便,成本较低等优点。The structure of character superimposition system based on MAX7456 is introduced in the paper. The circuit diagram and program of the system are described in detail while the method how to design the characters is introduced. The information of handheld devices can be provided by the system, and then the datum computing will be carried out according to the information. Using this method ,the exactness of image appeared on remote control room will be guaranteed. The system has the advantages such as simple hardware, easily using, low cost and so on.

关 键 词：字符叠加 MAX7456 电路设计 视频监视 

分 类 号：TN492[电子电信—微电子学与固体电子学]