User talk:LiuyuanChen

Hello, LiuyuanChen! Welcome to Wikipedia! Thank you for your contributions to this free encyclopedia. If you decide that you need help, check out Getting Help below, ask me on my talk page, or place {{helpme}} on your talk page and ask your question there. Please remember to sign your name on talk pages by clicking or using four tildes (~~~~); this will automatically produce your username and the date. Finally, please do your best to always fill in the edit summary field. Below are some useful links to facilitate your involvement. Happy editing! Gogo Dodo (talk) 06:05, 16 September 2008 (UTC) Getting started A tutorial • Our five pillars • Getting mentored How to: edit a page • upload and use images Getting help Frequently asked questions • Tips Where to ask questions or make comments Request administrator attention Policies and guidelines Neutral point of view • No original research Verifiability • Reliable sources • Citing sources What Wikipedia is not • Biographies of living persons Manual of Style • Three-revert rule • Sock puppetry Copyrights • Policy for non-free content • Image use policy External links • Spam • Vandalism Deletion policy • Conflict of interest • Notability The community Build consensus • Resolve disputes Assume good faith • Civility • Etiquette No personal attacks • No legal threats Community Portal • Village pump Signpost • IRC channels • Mailing lists Writing articles Be bold in editing • Develop an article The perfect article • Manual of style Stubs • Categories • Disambiguation Pages needing attention • Peer review Miscellaneous User name • User pages • Talk pages Clean up: General • Spam • Vandalism Join a WikiProject • Translation Useful templates • Tools • User scripts

Image copyright problem with Image:OpAmpInside.svg

Image Copyright problem

Hi LiuyuanChen!
We thank you for uploading Image:OpAmpInside.svg, but there is a problem. Your image is currently missing information on its copyright status. Wikipedia takes copyright very seriously. Unless you can help by adding a copyright tag, it may be deleted by an Administrator. If you know this information, then we urge you to add a copyright tag to the image description page. We apologize for this, but all images must confirm to policy on Wikipedia.

If you have any questions, please feel free to ask them at the media copyright questions page. Thanks so much for your cooperation.
This message is from a robot.

--John Bot III (talk) 00:46, 8 October 2008 (UTC)