TW201017558A - Data encoding system using bar code for multiple-level authorization, and usage method thereof - Google Patents

Data encoding system using bar code for multiple-level authorization, and usage method thereof Download PDF

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Publication number
TW201017558A
TW201017558A TW97141521A TW97141521A TW201017558A TW 201017558 A TW201017558 A TW 201017558A TW 97141521 A TW97141521 A TW 97141521A TW 97141521 A TW97141521 A TW 97141521A TW 201017558 A TW201017558 A TW 201017558A
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Taiwan
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key
barcode
bar code
module
level
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TW97141521A
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English (en)
Chinese (zh)
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TWI378389B (enExample
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Jing-Huan Huang
Wei-Heng Zheng
shi-an You
Heng-Song Liu
kun-rong Wu
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Chunghwa Telecom Co Ltd
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Priority to TW97141521A priority Critical patent/TW201017558A/zh
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TW97141521A 2008-10-29 2008-10-29 Data encoding system using bar code for multiple-level authorization, and usage method thereof TW201017558A (en)

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TW97141521A TW201017558A (en) 2008-10-29 2008-10-29 Data encoding system using bar code for multiple-level authorization, and usage method thereof

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Application Number Priority Date Filing Date Title
TW97141521A TW201017558A (en) 2008-10-29 2008-10-29 Data encoding system using bar code for multiple-level authorization, and usage method thereof

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TW201017558A true TW201017558A (en) 2010-05-01
TWI378389B TWI378389B (enExample) 2012-12-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI459299B (zh) * 2010-10-21 2014-11-01 Chunghwa Telecom Co Ltd Two - dimensional bar code codec method with multiple services

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI459299B (zh) * 2010-10-21 2014-11-01 Chunghwa Telecom Co Ltd Two - dimensional bar code codec method with multiple services

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TWI378389B (enExample) 2012-12-01

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