US Patent No: 5,239,583

Number of patents in Portfolio can not be more than 2000

Method and apparatus for improved security using access codes

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Abstract

An improvement in structure and credit account access security employing method and means for ensuring that repeating an exact access code which was successful in accessing the account will be unsuccessful at the next or subsequent tries. The user enters a PIN code in accordance with a prescribed, but variable, sequence, the sequence being different for each transaction from the previous transaction. The user inputs the PIN by entering a sequence of alphanumeric symbols in accordance with a prescribed "start" sequence of symbols for recognition as a proper 4-digit PIN for a first transaction. The user must enter a new PIN to access the same account on subsequent tries. Preferably, the sequence of symbols comprising the PIN has only one symbol different from the "start" sequence for recognition as a proper PIN for a second transaction and the third transaction may require yet a third sequence of alphanumeric symbols comprising a third PIN. As many different PINs as desired can be accommodated within reasonable limits.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SECURA-CODE CORPORATIONPHOENIX, AZ1

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Parrillo, Larry A 15312 Dearborn St., Sepulveda, CA 91343 1 76

Cited Art

Patent Info (Count) # Cites Year
 
JUERGEN DETHLOFF (1)
4,837,422 Multi-user card system 387 1987

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
YT ACQUISITION CORPORATION (30)
5,613,012 Tokenless identification system for authorization of electronic transactions and electronic transmissions 534 1995
5,838,812 Tokenless biometric transaction authorization system 237 1996
5,870,723 Tokenless biometric transaction authorization method and system 279 1996
5,802,199 Use sensitive identification system 134 1997
5,805,719 Tokenless identification of individuals 314 1997
6,366,682 Tokenless electronic transaction system 94 1998
6,269,348 Tokenless biometric electronic debit and credit transactions 202 1999
6,230,148 Tokenless biometric electric check transaction 121 1999
6,154,879 Tokenless biometric ATM access system 194 1999
6,397,198 Tokenless biometric electronic transactions using an audio signature to identify the transaction processor 84 1999
7,613,659 System and method for processing tokenless biometric electronic transmissions using an electronic rule module clearinghouse 34 1999
7,882,032 System and method for tokenless biometric authorization of electronic communications 9 2000
6,950,810 Tokenless biometric electronic financial transactions via a third party identicator 17 2000
6,980,670 Biometric tokenless electronic rewards system and method 28 2001
6,879,966 Tokenless biometric electronic financial transactions via a third party identicator 30 2001
6,581,042 Tokenless biometric electronic check transactions 48 2001
7,565,329 Biometric financial transaction system and method 12 2001
6,662,166 Tokenless biometric electronic debit and credit transactions 130 2001
7,631,193 Tokenless identification system for authorization of electronic transactions and electronic transmissions 12 2002
6,594,376 Tokenless electronic transaction system 32 2002
6,920,435 Tokenless biometric electronic transactions using an audio signature to identify the transaction processor 8 2002
7,152,045 Tokenless identification system for authorization of electronic transactions and electronic transmissions 55 2002
6,985,608 Tokenless electronic transaction system 10 2003
7,620,605 System and method for processing tokenless biometric electronic transmissions using an electronic rule module clearinghouse 13 2005
7,536,352 Tokenless biometric electronic financial transactions via a third party identicator 8 2005
7,606,401 System and method for processing tokenless biometric electronic transmissions using an electronic rule module clearinghouse 16 2005
7,248,719 Tokenless electronic transaction system 9 2005
8,260,716 System and method for processing tokenless biometric electronic transmissions using an electronic rule module clearinghouse 0 2005
7,698,567 System and method for tokenless biometric electronic scrip 6 2005
7,558,407 Tokenless electronic transaction system 11 2007
 
SMART TONE, INC. (8)
5,583,933 Method and apparatus for the secure communication of data 104 1994
5,907,597 Method and system for the secure communication of data 28 1996
5,825,871 Information storage device for storing personal identification information 152 1996
5,818,930 Auto-dialer housing 19 1996
5,745,555 System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource 143 1996
5,732,133 System and method for selecting and generating telephone access numbers for limiting access to a telephone service 25 1996
6,014,441 Method and system for generation of tone signals over a transmission channel 7 1997
5,949,874 Method and system for compensating for signal deviations in tone signals over a transmission channel 8 1997
 
ORBIS PATENTS LTD. (6)
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7,895,122 Person-to-person, person-to business and business-to-business financial transaction system 10 2008
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (5)
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6,427,909 System and method for overloading an existing card 12 1999
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6,427,911 Billing/clearing house system and method for an overloaded card 10 1999
 
LUCENT TECHNOLOGIES INC. (2)
5,754,652 Method and apparatus for secure pin entry 27 1994
5,940,511 Method and apparatus for secure PIN entry 25 1997
 
SYFERLOCK TECHNOLOGY CORPORATION (2)
7,143,440 User authentication system and method 4 2004
7,725,712 User authentication system and method 1 2006
 
WALKER DIGITAL, LLC (2)
6,527,638 Secure improved remote gaming system 235 1996
6,935,952 Method and apparatus for remote gaming 59 2002
 
CITICORP DEVELOPMENT CENTER, INC. (1)
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ENTRUST, INC. (1)
5,712,627 Security system 11 1995
 
FINTEL S.A. (1)
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KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
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MCI COMMUNICATIONS CORPORATION, TECHNOLOGY DEPT. (1)
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NUANCE COMMUNICATIONS, INC. (1)
6,519,699 Method and system for voice guided secure entry of private data in a public setting 2 1998
 
OBIS PATENTS LTD. (1)
6,636,833 Credit card system and method 177 1999
 
OPEN INVENTION NETWORK, LLC (1)
7,970,678 Biometric financial transaction system and method 1 2009
 
SMARTOUCH, LLC (1)
5,764,789 Tokenless biometric ATM access system 269 1996
 
STURIALE, VICKI (1)
5,809,143 Secure keyboard 31 1997
 
SWIVEL TECHNOLOGIES LIMITED (1)
7,392,388 Systems and methods for identity verification for secure transactions 6 2001
 
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (1)
5,724,423 Method and apparatus for user authentication 78 1995
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (9)
5,731,575 Computerized system for discreet identification of duress transaction and/or duress access 33 1997
6,028,926 Dialer programming system and device with integrated printing process 19 1997
6,073,121 Check fraud prevention system 39 1997
6,498,847 Dialer programming and device with integrated printing process 4 2000
6,246,769 Authorized user verification by sequential pattern recognition and access code acquisition 32 2000
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7,210,622 Enhanced PIN and password protection system and method 0 2004
7,840,486 System and method for performing secure credit card purchases 11 2005
8,036,988 System and method for performing secure credit card transactions 1 2010