US Patent No: 7,806,325

Number of patents in Portfolio can not be more than 2000

Contact-less tag with signature, and applications thereof

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ALSO PUBLISHED AS: 20090159666
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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A method, comprising: obtaining a signature from a contactlessly readable tag; decrypting the signature with a key to obtain (i) a candidate identifier and (ii) a scrambling code associated with the signature; and validating the candidate identifier based on at least one of the scrambling code and the signature. Also, a system, comprising: at least one tag reader configured to receive a plurality of signatures released by a respective plurality of tags, including a particular signature released by a particular one of the tags, and to cause decryption of the particular signature with a key to obtain (i) a candidate identifier, and (ii) a scrambling code associated with the signature; and a processing entity configured to effect validation of the candidate identifier based on at least one of the scrambling code and the signature.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BCE INC.MONTREAL QUEBEC67

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
O'Brien, William G Orleans, CA 52 753
Yeap, Tet Hin Ottawa, CA 62 394

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BCE INC. (6)
7,246,744 User authentication for contact-less systems 10 2005
2009/0160,615 Contact-less tag with signature, and applications thereof 6 2008
2009/0160,649 Contact-less tag with signature, and applications thereof 5 2008
2009/0161,872 Contact-less tag with signature, and applications thereof 5 2008
2009/0216,679 METHOD AND SYSTEM FOR VALIDATING A DEVICE THAT USES A DYNAMIC IDENTIFIER 3 2008
2009/0240,946 DYNAMIC IDENTIFIER FOR USE IN IDENTIFICATION OF A DEVICE 5 2008
 
JDA SOFTWARE GROUP (2)
2002/0169,657 Supply chain demand forecasting and planning 41 2001
2002/0169,657 Supply chain demand forecasting and planning 41 2001
 
SILVERBROOK RESEARCH PTY LTD (2)
2004/0252,025 Shopping receptacle with in-built scanner 28 2004
2007/0022,045 Method of transacting objects 4 2006
 
AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC. (1)
2008/0013,807 METHOD AND SYSTEM FOR KEYSTROKE SCAN RECOGNITION BIOMETRICS ON A SMARTCARD 36 2007
 
AUTRONIC PLASTICS, INC. (1)
2006/0116,899 Apparatus and methods for processing items 20 2005
 
AVAYA INC. (1)
2005/0190,892 Determining the geographical location from which an emergency call originates in a packet-based communications network 21 2004
 
BATTELLE ENERGY ALLIANCE, LLC (1)
6,981,151 Digital data storage systems, computers, and data verification methods 7 2000
 
BATTELLE MEMORIAL INSTITUTE (1)
6,842,106 Challenged-based tag authentication model 68 2002
 
FUJITSU LIMITED (1)
7,000,114 Apparatus to create and/or verify digital signatures having a secure time element and an identifier of the apparatus 4 2000
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
2007/0095,928 Physical items for holding data securely, and methods and apparatus for publishing and reading them 11 2006
 
LENOVO (SINGAPORE) PTE LTD. (1)
2008/0244,271 METHOD AND SYSTEM FOR AUTHENTICATION BASED ON WIRELESS IDENTIFICATION, WIRELESS IDENTIFICATION AND SERVER 5 2008
 
MAXIM INTEGRATED PRODUCTS, INC. (1)
5,805,702 Method, apparatus, and system for transferring units of value 53 1996
 
NEC (CHINA) CO., LTD. (1)
2007/0057,768 Radio frequency identification system and method 10 2006
 
SAMSUNG ELECTRONICS CO., LTD. (1)
2008/0011,835 METHOD AND APPARATUS FOR SEARCHING RIGHTS OBJECTS STORED IN PORTABLE STORAGE DEVICE USING OBJECT LOCATION DATA 4 2007

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 5, 2014
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 5, 2018
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 5, 2022
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Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00