Resources Contact Us Home
Claus; David M.
Indianapolis, IN
No. of 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

  Recently Added Patents
Control system for shifting an automatic transmission
Inhibitors of bacterial nitric oxide synthase, and related screening methods
Method for modeling and analyzing linear time invariant systems with time delays
Photographic printing paper and method of making same
Power consumption management in a MIMO transceiver and method for use therewith
Method and apparatus for providing contention-based resource zones in a wireless network
Image processing device and information storage medium including motion vector information calculation
  Randomly Featured Patents
Microwave receiving antenna
Slate and interlayment roof and a method of preparing the same
Ziegler-natta catalyst for narrow to broad MWD of polyoefins, method of making, method of using, and polyolefins made therewith
Foldable bed with collapsible sinuous springs and pivotable leg
Inkjet printhead nozzle arrangement with movement transfer mechanism
Control mechanism of revolving speed of an electric tool
Hood and wheel brace
Method of directional radio communication
Cup attaching apparatus
Electric furnace extension method and extension apparatus for optical fiber glass preform