毕业设计英文翻译封面(英文原文).doc

编号： 毕业设计(论文)外文翻译 （原文） 学 院： 信息与通信学院 专 业： 电子科学与技术 学生姓名： 戚桂东 学 号： 0600230118 指导教师单位： 广州致远电子有限公司 姓 名： 张华 职 称： 副教授 2010年 3 月 15 日 编号： CONTENT 1 IMPORTANT INSTRUCTIONS 4 1.1 Before planning to develop this product 4 1.2 For safety 4 1.3 Designing precautions 5 1.4 Handling precautions 5 1.5 Before purchase 6 2 INSTRUCTIONS 7 3 GENERAL SPECIFICATIONS 8 4 Thermal head 10 4.1 General Specifications 10 4.2 Thermal Head Construction 10 4.3 Head Division Processing 11 4.4 Print Data and Print Position 11 4.5 Head Resistance 12 4.6 Head Energizing Pulse Width 12 4.6.1 Pulse Width to Driving Voltage 12 4.6.2 Energizing Pulse Width Correction with temperature 13 4.6.3 Relationship of applied energy to thermal recording paper 14 4.6.4 Relationship of energization pulse width to energization pulse cycle 15 4.6.5 Applied energy and motor drive cycle in darkness adjusting 15 4.7 Specifications of Thermistor 16 4.8 Electric Characteristics of Thermal Head 17 4.9 Timing Chart 19 4.10 Peak Current 19 4.11 Precautions on Using Thermal Head 19 5 PAPER FEED 21 5.1 Specifications of Stepping Motor 21 5.2 Example of driver circuit 22 5.3 Exciting sequence 23 5.4 Motor Timing 23 5.5 Acceleration control 24 5.6 Motor current control 26 6 PLATEN OPEN SENSOR 27 6.1 General Standards 27 6.2 Example of Recommended Circuit 27 7 PAPER SENSOR 28 7.1 Type of Sensor 28 7.2 General Standards 28 7.3 Designated Circuit 29 8 CONNECTING TERMINAL 30 8.1 Thermal Head Terminal 30 8.2 Sensor Terminal 32 8.3 Platen Open Sensor 33 8.4 Motor Terminal 33 9 PAPER INSERTION 34 9.1 Manual Paper Insertion 34 10 CONTROL SYSTEM (PRINT DRIVING SYSTEM) 35 10.1 Variable Division Driving System 35 10.2 Fixed Division Driving System 37 10.3 Other Print Driving Systems 38 IMPORTANT INSTRUCTIONS Before planning to develop this product The shape and specifications of this product des