The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 2011
Filed:
May. 24, 2007
Sung-ming Yen, Taipei, TW;
Yen-chang Chen, Fongshan, TW;
His-chung Lin, Sijhih, TW;
Jia Jum Hung, Jang-Hua, TW;
Jui-ming Wu, Yonghe, TW;
Sung-Ming Yen, Taipei, TW;
Yen-Chang Chen, Fongshan, TW;
His-Chung Lin, Sijhih, TW;
Jia Jum Hung, Jang-Hua, TW;
Jui-Ming Wu, Yonghe, TW;
Institute for Information Industry, Taipei, TW;
Abstract
A system, a method, and a computer readable medium for micropayment with varying denomination are disclosed. The method utilizes a secret value, a public information, a number base parameter, a bit parameter, and merged one-way hash chains to calculate a root for providing a certificate of a transaction among a customer, a merchant and a service device. Therefore, the purpose of varying denomination for micropayment system can be achieved and the trade safety and the efficiency during the transaction process can be enhanced as well.