| 多媒体投影伴侣 |
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| 引用本文： | 刘政怡,吴建国,李炜.多媒体投影伴侣[J].现代教育技术,2011,21(5):130-132. |
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| 作者姓名： | 刘政怡 吴建国 李炜 |
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| 作者单位： | 1. 安徽大学计算机科学与技术学院,安徽合肥,230039
2. 安徽大学计算智能与信号处理教育部重点实验室,安徽合肥,230039 |
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| 基金项目： | 安徽大学211工程三期教学质量工程经费，安徽大学青年骨干教师培养对象经费资助 |
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| 摘 要： | 为改变教师在多媒体教学过程中站在控制台前一边控制计算机,一边讲授课程,与学生之间缺乏交流的现状,设计多媒体投影伴侣,它由图像采集装置、红外激光笔和图像处理软件组成。教师能够利用手中的红外激光笔远距离的控制投影屏幕的显示内容,对屏幕进行单击、双击、右键等类似鼠标的操作。相比于无线鼠标,它无需移动的平面;相比于普通激光笔,它增加了控制投影屏幕显示的功能。
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| 关 键 词： | 多媒体教学 投影伴侣 红外激光笔 |
Partner of Multimedia Projector |
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| LIU Zheng-yi,WU Jian-guo,LI Wei.Partner of Multimedia Projector[J].Modern Educational Technology,2011,21(5):130-132. |
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| Authors: | LIU Zheng-yi WU Jian-guo LI Wei |
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| Institution: | 1.School of Computer Science and Technology,Anhui University,Hefei,Anhui 230039,China;2.Key Laboratory of Intelligent Computing ＆ Signal Processing of Ministry of Education,Anhui University,Hefei,Anhui 230039,China) |
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| Abstract: | Traditional teaching mode is changed by multimedia teaching mode.Teacher uses projector to display course contents rather than use blackboard and chalk.But teacher must operate computer to control display of projection screen and can not depart from computer console table.It results in lack of communication between teacher and students and affects teaching quality.To optimize the multimedia teaching environment one partner of multimedia projector is presented.It can be equipped in multimedia classroom and cooperate with existed projector and computer.Teacher can hold the infrared laser pointer to control projection screen on any position of the classroom by click,double click and right-mouse operation.And compared to the wireless mouse,it is easy to use because it need not plane to move on.Compared to the traditional red laser pointer,it can control projection screen rather than indication,page up and page down. |
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| Keywords: | multimedia teaching projector partner infrared laser pen |
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