CN205507819U - Grating two -dimensional code that can squint - Google Patents
Grating two -dimensional code that can squint Download PDFInfo
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- CN205507819U CN205507819U CN201620192617.2U CN201620192617U CN205507819U CN 205507819 U CN205507819 U CN 205507819U CN 201620192617 U CN201620192617 U CN 201620192617U CN 205507819 U CN205507819 U CN 205507819U
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CN201620192617.2U CN205507819U (en) | 2016-03-14 | 2016-03-14 | Grating two -dimensional code that can squint |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106650875A (en) * | 2017-01-04 | 2017-05-10 | 广州科琳电子科技有限公司 | Anti-counterfeiting method based on anti-counterfeiting identification for preventing batch copying of two-dimensional code |
CN107451644A (en) * | 2017-08-28 | 2017-12-08 | 宁夏软件工程院有限公司 | A kind of preparation method of anti-fake two-dimension code |
CN110210596A (en) * | 2019-04-17 | 2019-09-06 | 清华大学 | A kind of device and method forming the double-deck quick response matrix code symbol |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106650875A (en) * | 2017-01-04 | 2017-05-10 | 广州科琳电子科技有限公司 | Anti-counterfeiting method based on anti-counterfeiting identification for preventing batch copying of two-dimensional code |
CN107451644A (en) * | 2017-08-28 | 2017-12-08 | 宁夏软件工程院有限公司 | A kind of preparation method of anti-fake two-dimension code |
CN107451644B (en) * | 2017-08-28 | 2023-01-24 | 宁夏软件工程院有限公司 | Method for manufacturing anti-counterfeiting two-dimensional code |
CN110210596A (en) * | 2019-04-17 | 2019-09-06 | 清华大学 | A kind of device and method forming the double-deck quick response matrix code symbol |
CN110210596B (en) * | 2019-04-17 | 2020-05-19 | 清华大学 | Device and method for forming double-layer quick response matrix code symbol |
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Legal Events
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C14 | Grant of patent or utility model | ||
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Address after: 515000 the south side of Shu Gang Road, Haojiang District, Shantou, Guangdong Patentee after: GUANGDONG SHENGQI TECHNOLOGY CO., LTD. Address before: 515000 block A, Chaoshan Industrial Zone, Chaoshan Road, Jinping District, Shantou, Guangdong Patentee before: GUANGDONG SHENGQI TECHNOLOGY CO., LTD. |
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TR01 | Transfer of patent right | ||
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Effective date of registration: 20211109 Address after: 515000 the south side of Shu Gang Road, Haojiang District, Shantou, Guangdong Patentee after: Guangdong Shengqi New Material Technology Co.,Ltd. Address before: 515000 the south side of Shu Gang Road, Haojiang District, Shantou, Guangdong Patentee before: GUANGDONG S.Q TECHNOLOGY Inc. |