05550561 is referenced by 50 patents and cites 5 patents.

A cursor control unit for controlling the position of a cursor on a display that has a magnetic stripe or smart card reader for reading information from an information bearing credit or debit card. The cursor control unit has a device for communicating information for controlling the movement of the cursor and card information to a personal computer or work station. Optionally, the cursor control unit encrypts the card information read by a reader on the cursor control unit. The link is a wireless communication link(s), a hardwired communication link(s), or a combination thereof. A method of simplifying and safeguarding the entry of monetary transaction information from information bearing credit cards and debit cards is also provided. The method comprises the step of providing the individuals making monetary transactions with a cursor control unit for controlling the movement of a cursor. An optional encryption step is provided in which respective card information is encrypted at the cursor control unit, along the communication link, on the electrical connector of the cursor control unit, computer, or combination thereof. In a variant, the method comprises the steps of multiple encryptions of the card information, or portion thereof, prior to transmission of the card information to the computer network.

Title
Display cursor controlling device for reading card information from an information bearing credit or debit card
Application Number
8/371109
Publication Number
5550561
Application Date
January 11, 1995
Publication Date
August 27, 1996
Inventor
Witold A Ziarno
4519 S. St. Louis Ave., Chicago, 60632
IL, US
Agent
Witold A Ziarno
IPC
S09G 3/02
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