Computerized parking meter system
US5029094A · kind A · utility
52Cited by
10References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 24, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Jul 24, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B15/02
- WIPO fieldControl
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.