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研究生:曹浩昌
研究生(外文):Hao-Chang, Tsao
論文名稱:使用內建電腦無線投影機改進PDA對簡報的控制
論文名稱(外文):Using PDA to Improve the Control of Presentations
指導教授:張瑞川張瑞川引用關係
指導教授(外文):Ruei-Chuan Chang
學位類別:碩士
校院名稱:國立交通大學
系所名稱:電資學院學程碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:英文
論文頁數:34
中文關鍵詞:Pocket PCIEEE 802.11PowerPoint ViewerAd Hoc
外文關鍵詞:Personal Digit AssistantPocket PCIEEE 802.11PowerPoint ViewerAd Hoc
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本論文研究目的是改進目前投影機的簡報方式,將連接電腦的投影機接線與紅外線遙控器,改為由掌上型Pocket PC及內建無線網路作業系統的投影機。
在目前簡報領域中,M.S. PowerPoint文件與投影機是最常見的兩個物件,他們是由透明片及投射機所演進而來。雖然這兩種產品目前仍然延用,隨著個人電腦及輕巧可攜式投影機的普及,簡報方式已逐漸被PowerPoint文件與投影機所取代,但是繁人的投影機接線及笨重的個人電腦,總是難以使用。為了解決這個問題,我們提出以Pocket PC及內建式無線網路系統投影機的改進作法。
我們先瞭解IEEE 802.11 無線網路原理與M.S.PowerPoint Viewer的特性,及可用於Pocket PC及內建式電腦相關API 函數,並就其函數內容加以運用,並提出我們的作法。所得到的結果,可以使IEEE 802.11 無線網路介面在Ad Hoc 模式下應用於投影機上,改變目前的簡報方式。

The purpose of this thesis is to improve conventional presentation method. Our new method replaces VGA cable and Infrared remote controller by the IEEE 802.11 wireless network technology in computer-based iProjector.
Slider and projector are two most useful devices in presentation. Both of them evolved from the previous traditional overhead projector. Although these two devices are still being used, yet it does not mean that they will be used forever. The speed of machine evolution is more quickly now than ever. There appear several new methods. The weight of laptop PC and portable data projector are not heavy. We find that PowerPoint document makes presentation easier. In order to be cable-free, we propose a new approach based on a PDA and wireless computer projector.
We study the properties of IEEE802.11 Ad Hoc mode and PowerPoint Viewer, find out all of API functions in Personal Digital Assistant such as Pocket PC, adapt API functions, propose our idea, control it and also implement the system in an iProjector prototype.
Our conclusion is getting an approach method that uses a cable-free projector in the IEEE802.11 Ad Hoc mode.

Abstract (Chinese) ………………………………………………………… i
Abstract (English) ………………………………………………………… ii
Acknowledgement ………………………………………………………… iii
Table of Contents ………………………………………………………… iv
List of Tables ………………………………………………………… v
List of Figures ………………………………………………………… vi
1. Introduction …………………………………………………………… 1
1.1 Research Motivations ………………………………………………… 2
1.2 Thesis Contribution and Organization ……………………………3
2. Related Work……………………………………………………………… 4
2.1 DLP Projector Architecture ………………………………………… 4
2.2 ProjectConnect on DLP Projector …………………………………… 7
2.3 Bluetooth PPT Controller…………………………………………… 10
3. Design Approach ……………………………………………………… 13
3.1 iProjector Architecture……………………………………………… 13
3.2 Implementation of SlidePresent …………………………………… 16
3.3 Implementation of ProjectPresent on PDA ……………………… 20
3.4 Summary…………………………………………………………………… 23
4. Experimental Results…………………………………………………… 24
4.1 Experimental Platform………………………………………………… 24
4.2 Results ……………………………………………………………… 26
4.3 Comparison with Other Methods …………………………………… 28
4.4 Summary …………………………………………………………………… 29
5.Conclusions and Future Work ………………………………………… 30
5.1 Conclusions……………………………………………………………… 30
5.2 Future Work …………………………………………………………… 31
References …………………………………………………………………… 32
List of Tables
Table 2.1 ProjectConnect Component set Timing mode ……………10
Table 4.1 Experimental Platform feature ……………………………25
Table 4.2 Difference table ………………………………………………28
List of Figures
Figure 2.1 Illustration of a DLP system………………………………5
Figure 2.2 ImageProcessor Input and Output diagram ………………7
Figure 2.3 ProjectConnect Component set Interface diagram ……8
Figure 2.4 ProjectConnect on DLP projector and iPAQ Pocket PC…9
Figure 2.5 Bluetooth PowerPoint Control Architecture …………11
Figure 3.1 A computer-based iProjector Architecture ……………14
Figure 3.2 iProjector Software Architecture ………………………16
Figure 3.3 EEPSlideShowAdvance Mode data type ……………………17
Figure 3.4 IPPViewerSlideShowView function …………………………18
Figure 3.5 ViewerSlideShowView subfunction …………………………18
Figure 3.6 Operating flow chart of SlidePresent …………………19
Figure 3.7 PowerPoint function example ………………………………20
Figure 3.8 Flow chart of ProjectPresent ……………………………22
Figure 4.1 Devices from the experimental platform ………………25
Figure 4.2 ProjectPresent setup mode ………………………………27
Figure 4.3 ProjectPresent compressed image view …………………27

[1] Bluetooth PowerPoint Controller Technical Report by NCTU CIS
[2] Compaq MP series projector, http://www.compaq.com/products/projectors/
[3] DLP Technology, http://www.dlp.com/
[4] Microsoft Corporation, MSDN Online, http://msdn.microsoft.com
[5] Microsoft embedded Visual Tools website, http://www.microsoft.com/windows/embedded/ce/
[6] Microsoft Knowledge Base, Article ID: Q172440, May 9, 1998.
[7] Pebbles SlideShow Commander, Available at http://www-2.cs.cmu.edu/~pebbles/
[8] Pixelworks Inc. website, http://www.pixelworksinc.com/
[9] PWx64 Image Processor Product Specification
[10] Z-Com Corp., IEEE 802.11b WiFi products, http://www.zcom.com.tw/
[11] Austin, B., ”Texas Instruments Demonstrates Transparent Wireless Connectivity From laptops, PDAs to projectors”, June 2001, http://www.dlp.com/about_dlp/about_dlp_press_release.asp?id=1117
[12] Baldwin, R., Davis, N. and Midkiff, S. "A Real-time Medium Access Control Protocol for Ad Hoc Wireless Local Area Networks", ACM MC2R, Vol. 3, No. 2, 1999, pp. 20-27.
[13] Cross, K., Warmack, A. and Myers, B., "Lessons Learned: Using Contextual Inquiry Analysis to Improve PDA Control of Presentations" Submitted for Publication
[14] Douglass, M. and Sontheimer, A. “Identifying and eliminating Digital Light Processing failure modes through accelerated stress testing”, TI Technical Journal, Vol.15, No.3, July 1998,pp.128-136
[15] Keene, D., “TI Unveils Wireless Networking”, ICIA InfoComm ,Jun. 2001
[16] Myers, B. “The Pebbles Project: Using PCs and Hand-held Computers Together, Demonstration Extended Abstract.” Adjunct Proceedings CHI’2000: Human Factors in Computing Systems., Apr. 2000, The Hague, The Netherlands. pp. 14-15.
[17] Myers, B., "Using Multiple Devices Simultaneously for Display and Control." IEEE Personal Communications special issue on “Networking the Physical World.” Vol. 7, No. 5, Oct. 2000, pp. 62-65.
[18] Myers, B., “Using Hand-Held Devices and PCs Together” Communications of the ACM. Vol. 44, Issue 11. Nov. 2001, pp. 34 - 41.
[19] Myers, B.A., Lie, K.P.L., and Yang, B.-C.J. “Two-Handed Input Using a PDA And a Mouse”, Proceedings CHI'2000: Human Factors in Computing Systems. Apr. 2000. The Hague, The Netherlands, pp. 41-48.
[20] Myers, B., Miller, R., Bostwick, B. and Evankovich, C., “Extending the Windows Desktop Interface With Connected Handheld Computers,” in 4th USENIX Windows Systems Symposium. 2000. , Aug. 2000, Seattle, WA. pp. 79-88.
[21] Myers, B., Stiel, H., and Gargiulo, R. “Collaboration Using Multiple PDAs Connected to a PC”, Proceedings CSCW'98: ACM Conference on Computer-Supported Cooperative Work, Nov. 1998, Seattle, WA: pp. 285-294.
[22] Nichols, J. "Communication Ubiquity Enables Ubiquitous Control" Human-Computer Interaction Consortium HCIC’2002 Winter Park, CO, Feb, 2002
[23] Nichols, J. "Using Handhelds as Controls for Everyday Appliances: A Paper Prototype Study." In Student Posters ACM CHI'2001 Seattle, WA. Apr. 2001, pp. 443-444.
[24] Sexton, B., Ohara, K. and Asahara, M. “DLP image processing IC — Andromeda ASIC”, TI Technical Journal, Vol.15, No.3, July 1998,pp.106-113
[25] Wilson, J. and Havewala, A. “Building Powerful Platforms with Windows CE”, Addison Welsey, 2001

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