HK1098846A1 - A method for assisting computer projecting location & an alternating demonstration system with the method - Google Patents

A method for assisting computer projecting location & an alternating demonstration system with the method

Info

Publication number
HK1098846A1
HK1098846A1 HK07105131A HK07105131A HK1098846A1 HK 1098846 A1 HK1098846 A1 HK 1098846A1 HK 07105131 A HK07105131 A HK 07105131A HK 07105131 A HK07105131 A HK 07105131A HK 1098846 A1 HK1098846 A1 HK 1098846A1
Authority
HK
Hong Kong
Prior art keywords
alternating
demonstration system
projecting location
assisting computer
computer projecting
Prior art date
Application number
HK07105131A
Inventor
Jian Zhu
Yuhui Wang
Original Assignee
Julong Educational Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38044938&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1098846(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Julong Educational Technology filed Critical Julong Educational Technology
Publication of HK1098846A1 publication Critical patent/HK1098846A1/en

Links

HK07105131A 2005-10-09 2007-05-15 A method for assisting computer projecting location & an alternating demonstration system with the method HK1098846A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200510100240XA CN100462937C (en) 2005-10-09 2005-10-09 Computer projection auxiliary positioning method and interactive demonstration system using said method

Publications (1)

Publication Number Publication Date
HK1098846A1 true HK1098846A1 (en) 2007-07-27

Family

ID=38044938

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07105131A HK1098846A1 (en) 2005-10-09 2007-05-15 A method for assisting computer projecting location & an alternating demonstration system with the method

Country Status (2)

Country Link
CN (1) CN100462937C (en)
HK (1) HK1098846A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101887341B (en) * 2009-05-13 2016-09-07 深圳市巨龙科教高技术股份有限公司 A kind of process the method for information, information processing system and handwriting input terminal
CN101840062A (en) * 2009-08-21 2010-09-22 深圳先进技术研究院 Interactive projection system and interactive method
CN102103435B (en) * 2009-12-18 2013-04-17 深圳市巨龙科教高技术股份有限公司 Interactive electronic whiteboard device and positioning method thereof
TWI435250B (en) * 2011-03-14 2014-04-21 Wistron Corp Method for calibrating accuracy of optical touch monitor
CN102768578A (en) * 2011-05-03 2012-11-07 郑进 Projection teaching method
CN102402348A (en) * 2011-10-04 2012-04-04 友达光电股份有限公司 Light-sensing touch sensing system, device and touch sensing method thereof
CN102490496B (en) * 2011-12-07 2014-02-26 东莞市盛雄激光设备有限公司 Laser marking barrel pincushion distortion compensation value determining method and device as well as laser marking method and device
CN102591531B (en) * 2011-12-26 2014-11-19 深圳市巨龙科教高技术股份有限公司 Electronic whiteboard, coordinate mapping method for same, device
CN103369211A (en) * 2012-03-27 2013-10-23 中强光电股份有限公司 Photographing device and automatic projection correction method of projection device
TWI512385B (en) 2013-10-07 2015-12-11 中強光電股份有限公司 Optical wavelength conversion module, illumination system and projection apparatus
CN104598048A (en) * 2013-10-31 2015-05-06 鸿富锦精密工业（深圳）有限公司 Digital pen writing control method and system
CN104754264A (en) * 2015-03-13 2015-07-01 中国科学院空间应用工程与技术中心 Feature point based projection deformation correcting method and system
CN105554486A (en) * 2015-12-22 2016-05-04 Tcl集团股份有限公司 Projection calibration method and device
CN108803213B (en) 2017-04-27 2021-03-19 中强光电股份有限公司 Wavelength conversion filter module and lighting system
CN109104596B (en) 2017-06-21 2021-02-26 中强光电股份有限公司 Projection system and correction method of display image
CN114760451B (en) * 2022-04-25 2024-02-09 深圳市火乐科技发展有限公司 Projection image correction prompting method, projection image correction prompting device, projection equipment and storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2622620B2 (en) * 1989-11-07 1997-06-18 プロクシマ コーポレイション Computer input system for altering a computer generated display visible image
US6292171B1 (en) * 1999-03-31 2001-09-18 Seiko Epson Corporation Method and apparatus for calibrating a computer-generated projected image
US6346933B1 (en) * 1999-09-21 2002-02-12 Seiko Epson Corporation Interactive display presentation system
CN1285999C (en) * 2004-12-17 2006-11-22 广东威创日新电子有限公司 Photoelectric positioning device for interactive electronic writing display system and calibration method thereof

Also Published As

Publication number Publication date
CN1945511A (en) 2007-04-11
CN100462937C (en) 2009-02-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20171009