Automatic debiting parking meter system
US5351187A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 30, 1992 |
| Grant date | Sep 27, 1994 |
| Priority date | — |
| Expiry date | Dec 30, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/246
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An apparatus for automatic payment of parking fees in a parking zone includes a stationary RF transmitter unit transmitting a signal encoding the parking fee rate per unit time and, in some embodiments, the maximum parking period and time and date to cooperate with a transponder carried in the vehicles to be parked. A portable transponder in each vehicle includes a receiver for receiving the broadcast signal from the stationary transmitter, a memory which can be preloaded with monetary amounts to generate a prepaid credit, a data processor for controlling the activity of the responder and decoding incoming signals, and a display for indicating to the vehicle operator or to a traffic monitoring person external to the vehicle, the status of the memory in the transponder as to the whether the vehicle is validly parked at any given time. Upon parking, the operator actuates the transponder and, if it receives and recognizes a broadcast signal from a stationary transmitter, it so indicates on the display, proceeds to debit the prepaid amount stored in the memory of the transponder decreasing the balance in the transponder memory by the amount per unit time over the time period and displa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.