File:Qian Xuesen Signature.png
Original file (1,671 × 862 pixels, file size: 71 KB, MIME type: image/png)
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Summary[edit]
DescriptionQian Xuesen Signature.png |
中文(中国大陆):钱学森的签名,摄自上海交通大学钱学森图书馆馆藏手迹,经图像处理软件提取。 |
Date | 1992年8月18日签名,摄于2015年9月25日 |
Source | Own work |
Author | SSYoung |
Licensing[edit]
Public domainPublic domainfalsefalse |
This signature is believed to be ineligible for copyright and therefore in the public domain because it falls below the required level of originality for copyright protection both in the United States and in the source country (if different). In this case, the source country (e.g. the country of nationality of the signatory) is believed to be China.
Note that this tag cannot be used on all signatures, as not all signatures are copyright-free.
See Commons:When to use the PD-signature tag for an explanation of when the tag may be used. |
Public domainPublic domainfalsefalse |
Copyright Law of the People's Republic of China: Article 5 This law shall not apply to:
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This work is from any of the items above and is in the public domain in Mainland China and possibly other jurisdictions. For works whose copyright has expired, see also {{PD-China}} and {{PD-PRC}}. PD-PRC-exempt Public domain in the People's Republic of China //commons.wikimedia.org/wiki/File:Qian_Xuesen_Signature.png |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:55, 25 September 2015 | 1,671 × 862 (71 KB) | SSYoung (talk | contribs) | User created page with UploadWizard |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Horizontal resolution | 72 dpi |
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Vertical resolution | 72 dpi |
Color space | sRGB |
Image width | 1,671 px |
Image height | 862 px |
Software used | Adobe Photoshop CC 2014 (Windows) |
Date and time of digitizing | 05:39, 26 September 2015 |
Date metadata was last modified | 05:50, 26 September 2015 |
File change date and time | 05:50, 26 September 2015 |
Unique ID of original document | xmp.did:05923f04-84c7-ab40-916e-c2164d98037d |