【摘要】 介绍了电话语音报时系统的设计思路及原理 ,并阐述了系统硬件及通讯接口设计。该系统硬件结构简单、报时准确 ,可以满足一般用户的需求。更多还原

【Abstract】 The principle of design, the hardware, and the design of communication IO, for the phoenetic time service system via telephone are introduced in this paper. This system is characterized by simple structure of hardware and accurate time service which can meet the requirements of general users.更多还原