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公开(公告)号：US20210187985A1
公开(公告)日：2021-06-24
申请号：US16828386
申请日：2020-03-24
发明人： Shih-Chang CHANG , Chia-Bin CHUEH , Kang-Yu LIU , Yen-Ping WANG
IPC分类号： B41J29/393 , H05B47/20
摘要： A system of assessing performance of a photocuring light source includes a photocuring light source unit, a light source control unit, a sensing unit, and a computer unit. The light source unit produces light rays on a work platform of a printing machine. The light source control unit is electrically coupled to and controls the light source unit. The sensing unit is disposed proximally to the light source unit to detect power of the light rays from the light source unit. The computer unit is electrically coupled to the sensing unit and the light source control unit to control the light source unit and record the power of the light rays and operating period of the light source unit. A combination having the system is also disclosed.
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公开(公告)号：US20190208078A1
公开(公告)日：2019-07-04
申请号：US15858859
申请日：2017-12-29
发明人： Shih-Chang CHANG , Chia-Pin CHUEH , Kang-Yu LIU
CPC分类号： H04N1/32309 , G06K9/4652 , G06K9/6201 , H04N1/32251 , H04N1/32267 , H04N1/32325 , H04N2201/0084 , H04N2201/3235 , H04N2201/3236 , H04N2201/3259
摘要： A pattern and spectrum security one-time printing of packaging verification method for verifying the authenticity of an external packing container of a commodity, which external packing container is printed with a security pattern on the surface using a specific spectrum of tangible fluorescent ink. The user checks the location of the security pattern by visualizing the tangible fluorescent ink on the external packing container, and then uses image capturing device to shoot the security pattern through a filter to capture the pattern image of the tangible fluorescent ink, a processor of the identification system loads in the captured pattern image, a software program in the processor matches the spectral band and shape of the captured pattern image with storage data in the database to verify the authenticity of the security pattern. The user can identify the authenticity of the commodity, enhancing commodity security and reducing the risk of being forged.
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