Computerized parking meter system

Details Computerized parking meter system Computerized parking meter system

1989-07-24

1991-07-02

Lall, Parshotam S.

Boots, shoes, and leggings

3409322, 340943, 368 7, 368 90, G07B 1500

Patent

active

050290940

ABSTRACT:
The present invention relates to a computerized parking meter system which comprises a host computer and a plurality of parking meters. Each parking meter is provided with a supersonic metal sensor to register parking time, to calculate parking fees and to automatically detect whether a specified parking space is available for a car whereby overtime parking can be accurately recorded. The parking meters are connected to the host computer over power lines.

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patent: 4823928 (1990-04-01), Speas
patent: 4861971 (1989-08-01), Chan
patent: 4908617 (1990-03-01), Fuller

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