【摘要】 介绍了一种基于PSTN的远程图象采集和传输系统的软件和硬件电路。一幅象素为256×256，灰度等级为8bit图象，远程传输时间的1．2秒，图象基本无失真，可以满足各种分布式远程图象监控的要求。更多还原

【Abstract】 This paper introduces the software and hardware of a remote image acquisition and transmission system based on PSTN.It only needs l .2 second to captore and transmit a 256X256 image with 256 grey scale via a telephone line. It satisfies various needs of environment for the case of distibuted remote monitor.更多还原