Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Claus; David M.
Address:
Indianapolis, IN
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
5559313 Categorization of purchased items for each transaction by a smart card September 24, 1996
A smart card that is responsive to a list of items with individual prices that are received from a point of sale (POS) terminal during an individual transaction to automatically insert these items into expense categories. A personal computer later retrieves these categories and associate
5461217 Secure money transfer techniques using smart cards October 24, 1995
Systems and methods for providing secure electronic financial transactions are disclosed. Money is electronically stored on a plurality of smart cards. At least one smart card is equipped with an electronic security wall having a closed state and an open state. In the closed state, the
5310999 Secure toll collection system for moving vehicles May 10, 1994
A secure toll payment system is realized by transmitting a changeable encryption code from roadside equipment at a toll plaza to a moving vehicle. Thereafter, the moving vehicle uses it to encrypt payment information according to the Data Encryption Standard algorithm. The moving veh
5120939 Databaseless security system June 9, 1992
An improved security system, including a protable smart card and a host computer, eliminates the need for the computer to store individual personal identification (ID) numbers for each user seeking access to the computer. Instead, the computer stores a first encryption algorithm E.su










 
 
  Recently Added Patents
Tri-material dual-species neutron spectrometer
Output queued switch with a parallel shared memory, and method of operating same
Cell reselection and handover with multimedia broadcast/multicast service
Battery pack with connecting device
Telephone line seizure module
Rear bumper for an automobile
Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes
  Randomly Featured Patents
Elevator car assembly having an adjustable platform
Face image data processing devices
Broadhead for an arrow and method of securement
Reagent injection apparatus and method of producing the same
Vertical type power mosfet having trenched gate structure
Maize variety hybrid X00A926
Digital-to-analog conversion circuit
Method and system for acquisition of a time stamped signal
High pressure metal vapor discharge lamp
Color display device having color filter layers