G - Physics – 07 – F
Patent
G - Physics
07
F
354/37
G07F 13/02 (2006.01) B67D 7/22 (2010.01)
Patent
CA 1048648
ABSTRACT A dispensing control and display system for fluid products is disclosed which is adapted to control the operation of a number of dispensers from a remote location and also provide a visual dis- play at the remote location of quantity and cost data for the fluid being dispensed by each of the dispensers. The system utilizes pulse code and multiplexing in a telemetering system that requires little modification of the dispensers themselves, which may be gasoline pumps or the like. The system uses existing power con- ductors for transmitting information between a dispenser control unit associated with each of the dispensers and a central control unit at the remote location. Each dispenser control unit responds to an individual identification code signal sent by the central con- trol unit and transmits the data to the central control unit which is then received and forwarded to and displayed by a corresponding console control unit. The identification code signals permit the system to operate with a single carrier frequency. The system in- cludes features that insure accurate display of the cost and quantity by saving the data for retransmission in the event the system deter- mines that the data was not properly transmitted. The operation of individual dispensing units may be interrupted and thereafter resumed by an operator at the remote location if desired, without affecting the display of the data.
226719
General Atomic Company
Na
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