Power conserving electronic parking meter

Details Power conserving electronic parking meter Power conserving electronic parking meter

1992-04-07

1994-11-01

Huppert, Michael S.

Check-actuated control mechanisms

Including value accumulator for plural checks

Having solid state circuitry

194317, G07F 1724

Patent

active

053600959

ABSTRACT:
A power conserving electronic parking meter system for receiving at least one type of payment element. The electronic parking meter has: a power source; a processor connected to the power source, the processor having at least an operational mode and a standby mode; apparatus for receiving the payment element and generating an interrupt request signal upon receipt of the payment element, the interrupt request signal being received by the processor which in response thereto changes from the standby mode to the operational mode; at least one apparatus for identifying the payment element and providing an identification signal to the processor indicative of the payment element, the apparatus for identifying having an active mode and a low-power mode, the apparatus for identifying receiving an enable signal from the processor when the processor changes from the standby mode to the operational mode, the enable signal causing the apparatus for identifying to change from the low-power mode to the active mode; and apparatus for displaying information connected to the processor, the apparatus for displaying having a reduced power display.

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