Keyboard unit for monotype, linotype or intertype machines 键盘装置,莫诺铸排机、莱诺铸排机、英特泰普整行铸排机用
In the design of hardware platform, this paper expounds design process and principle of system power, decoding circuit, memory unit, audio interface unit, peripheral communication interface unit, display unit, keyboard input unit, simulation unit and spare interface unit. 在硬件平台的设计中,具体阐述了系统电源、系统译码电路、存储器单元、音频接口单元、外围通信接口单元、显示单元、键盘输入单元、仿真单元和备用接口单元的设计过程及其原理。
In the circuit design work, the entire system is devided into three modules : pulse control unit, keyboard input unit and digital display unit. 在电路设计部分,将整个系统设计成三个模块:脉冲控制单元、键盘输入单元和数码管显示单元。
On-line typesetting system : Typesetting system in which the keyboard and output unit are attached at all times on-line to the main system. stationary air compressor 联机排字系统:键盘和输出机器固定的连接主机的排字系统。固定式空气压缩机;固定式空压机;固定式压缩空气机
The Design of Encoding Keyboard and Display Unit of Intelligent Instruments 智能仪表编码键盘和显示器的设计