Resources Contact Us Home
Security apparatus and system for retail environments

Image Number 6 for United States Patent #5448638.

A gasoline service station includes gasoline dispensers and a PIN pad including keypads for receiving personal identification numbers and assembled into a network for securely communicating personal identification numbers from the PIN pads and dispensers to a host computer over unsecured data lines. The PIN pads and dispensers each include means for encryption and outputting of personal identification numbers. A security module includes means for decryption of data associated with each PIN pad and dispenser in a process for the respective PIN pads and dispensers and means for encryption of data associated with the host computer in a process which is different from its decryption of data associated with the PIN pads and dispensers. A site controller, which is not secure from unauthorized signal detection, has means for directing encrypted data received from the PIN pads and the dispensers to the security module and from the security module to the dispensers or the host computer as needed for properly directing encrypted data to a desired destination.

  Recently Added Patents
Audiovisual multi-room support
Insulated container sleeve
System and methods for random parameter filtering
Prevention and treatment of osteoarthritis
Moving picture decoding device and moving picture decoding method
Cross-linkable compositions
Support for a portable electronic device
  Randomly Featured Patents
Trash container lid
Block-type construction toy
Apparatus and method for cleaning an exhaust gas reactor
Echo cancelling circuit for use with laser
Biaxially-stretched film made of poly(arylene sulfide) resin composition and production process thereof
Machine tool with automatic tool changer
Packaging for support pillows
Stabilized fabric softening compositions comprising a fabric softening compound, fatty acid, and perfume
Wrist watch
Coding method and apparatus therefor