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SG76609A1 - Digital graphic signature system - Google Patents

Digital graphic signature system

Info

Publication number
SG76609A1
SG76609A1 SG1999001674A SG1999001674A SG76609A1 SG 76609 A1 SG76609 A1 SG 76609A1 SG 1999001674 A SG1999001674 A SG 1999001674A SG 1999001674 A SG1999001674 A SG 1999001674A SG 76609 A1 SG76609 A1 SG 76609A1
Authority
SG
Singapore
Prior art keywords
signature system
digital graphic
graphic signature
digital
signature
Prior art date
Application number
SG1999001674A
Inventor
Cris T Paltenghe
Original Assignee
Citicorp Dev Ct Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/190,727 external-priority patent/US7200578B2/en
Priority claimed from US09/190,993 external-priority patent/US20020004783A1/en
Priority claimed from US09/290,427 external-priority patent/US6757826B1/en
Application filed by Citicorp Dev Ct Inc filed Critical Citicorp Dev Ct Inc
Publication of SG76609A1 publication Critical patent/SG76609A1/en

Links

SG1999001674A 1998-04-14 1999-04-14 Digital graphic signature system SG76609A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8174898P 1998-04-14 1998-04-14
US09/190,727 US7200578B2 (en) 1997-11-12 1998-11-12 Method and system for anonymizing purchase data
US09/190,993 US20020004783A1 (en) 1997-11-12 1998-11-12 Virtual wallet system
US09/290,427 US6757826B1 (en) 1998-04-14 1999-04-13 Digital graphic signature system

Publications (1)

Publication Number Publication Date
SG76609A1 true SG76609A1 (en) 2000-11-21

Family

ID=27491648

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1999001674A SG76609A1 (en) 1998-04-14 1999-04-14 Digital graphic signature system

Country Status (2)

Country Link
JP (1) JP2000036049A (en)
SG (1) SG76609A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003134108A (en) * 2001-10-30 2003-05-09 Ricoh Co Ltd Electronic signature system, electronic signature verification device, electronic signature verification method, program, and recording medium
JP4792110B2 (en) 2007-07-12 2011-10-12 富士通株式会社 Information processing apparatus, information processing method, and information processing program
KR101646328B1 (en) * 2014-05-23 2016-08-05 중소기업은행 Mobile credit card settlement method and service apparatus using the same, phone
CN112115431B (en) * 2020-09-17 2024-11-12 朱景林 A data transfer method and system based on image pixel signature

Also Published As

Publication number Publication date
JP2000036049A (en) 2000-02-02

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