Communications: electrical – Vehicle parking indicators
Reexamination Certificate
2001-11-14
2003-05-06
Trieu, Van (Department: 2632)
Communications: electrical
Vehicle parking indicators
C340S933000
Reexamination Certificate
active
06559776
ABSTRACT:
FIELD OF THE INVENTION
The present invention generally relates to systems and methods used in conjunction with vehicle parking spaces. More specifically, the present invention relates to systems and methods for monitoring and controlling usage of such vehicle parking spaces.
BACKGROUND OF THE INVENTION
To an ever increasing degree there seems to be contention for space on today's roadways. To accommodate the steady growth in the population of vehicles, both personal and business vehicles, project after project is undertaken to expand and revamp the roadways, such as the multi-billion dollar “Big Dig” project in Massachusetts. Along with the vast number of vehicles on the roads, comes contention for parking spaces for those vehicles, primarily in urban and, increasingly, in suburban areas.
As with any resource that is in relatively short supply and high in demand, parking spaces frequently come at a cost. Typically, in an urban or suburban area, a city or town will provide metered public parking spaces. The parking meters accept coins in return for time on the meter, which is allowed time in the parking space associated with the meter. The typical parking meter allows a relatively short maximum amount of time for parking, e.g., a two hour limit, before the time on the meter expires. When the meter expires, the owner of a parked vehicle in the corresponding parking space is subject to a citation or parking ticket. As a result, if a vehicle owner wishes to park for an amount of time in excess of the meters limit, the vehicle owner must return to the meter and insert more coins before it expires. This tends, of course, to be very frustrating for the vehicle owner.
To ensure adherence to the requirement to pay for metered parking spaces or, in the alternative, to issue citations to violators, the city or town employs individuals (sometimes referred to as “meter maids”) to go around the city or town and determine, on a meter-by-meter basis, whether a violation at a meter has occurred and, if so, to issue a citation. Of course, the individuals come at some expense to the city or town and for the large majority of the meters checked there is, in fact, no violation. Therefore, this process of monitoring adherence to the meter requirements is extremely inefficient and costly for cities and towns.
Private parking spaces are also available in such areas where parking spots are in short supply. These private spaces typically also come at some expense to the vehicle owner, but offer the convenience of not having to replenish the meter with coins throughout the day. For other reasons, private parking spaces may also be desirable, such as, for example, for greater security or convenience. That is, an office building, resort, or club may offer private parking spaces to its tenants, guests, or members. These private parking spaces often come in the form of a parking garage or lot that charges the vehicle owner based on time spent in the garage or lot. Many of these private garages or lots issue a fixed number of monthly parking passes for a monthly cost of $200 to $300, for example, per parking space or pass. In some cases, parking spaces are assigned to specific vehicles. With assigned spaces, improperly parked vehicles are frequently towed, but usually not until the proper occupant has determined that another vehicle is improperly occupying his space. In other arrangements, the public can use private parking garages and pay by the hour, for example. In such private parking arrangements, the owner of the private parking garage or lot often employs attendants to determine the time spent in the garage and to collect the corresponding payment from the vehicle owner.
SUMMARY OF THE INVENTION
The present invention is a parking status control system and method that automatically monitors one or more parking spaces for unauthorized occupancy. Such parking spaces may be publicly metered parking spaces or privately owned and controlled parking spaces. When a space is occupied, the owner or user of a vehicle may accomplish automated payment of parking fees, so as to avoid fines associated with citations due to an expired parking meter, for example. Preferably, whether paying for parking time in a garage or on a meter, standard methods of payment are accommodated. However, regardless of the methods of payment accommodated by various implementations, occupancy of the parking space and sufficiency of in payment are monitored to determine if a parking space is being illegally or improperly used.
Generally, a monitored space can be considered to have two states: 1) occupied, and 2) vacant. The presence or lack of a vehicle in a parking space is monitored by a vehicle presence detector. A vehicle presence detector may sense a vehicle in any of a variety of manners. For example, the vehicle presence detector may use magnetic, infrared, motion detection, pressure, temperature sensing, or acoustic sensing to determine whether a vehicle has parked in a monitored parking space. Once a vehicle is detected, the vehicle presence detector generates a space-state signal indicating that a vehicle is in the parking space. In other embodiments, a space-state signal could indicate that the parking space is vacant. In other embodiments, different space-state signals could be generated when the parking space is vacant and when it is occupied.
The space-state signal is communicated to a central computer system by wired or wireless means, or some combination thereof. For example, such means may include satellite links, global positioning system (GPS) links, cellular or traditional telephone links, copper wire lines or cables, fiber optic links, computer networks or any combination thereof. In some implementations, the vehicle presence detector communicates directly with the central computer system, by such communication means.
In other implementations, a local transponder proximate to the monitored space may be used to establish wired or wireless communication with the vehicle presence detector, wherein the local transponder may then receive and forward the space-state signal, or a signal indicative thereof, to the central computer system. The local transponder may communicate with the central computer system via any known communication means. Such means may include, for example, satellite links, cellular or traditional telephone links, copper wire lines or cables, fiber optic links, computer networks or any combination thereof.
When the space-state signal indicates to the central computer system that a monitored parking space is occupied by a vehicle, the central computer system then awaits, for a certain period of time, receipt of an authorization signal from a corresponding device associated with the monitored space and configured to accept or facilitate authorization to use the parking space. If the authorization signal is not received in due time, the central computer system declares a parking space violation, i.e., an illegally parked vehicle.
A space authorization device, such as a parking meter, may be provided that accepts an input to authorize use of the parking space, i.e., via generation of an authorization signal. In the case of a parking meter, the input may be the insertion of coins, credit or debit cards, or an account or status based user identification card to pay meter fees, or otherwise satisfy authorization requirements. In such a case, the parking meter is equipped with a meter transceiver that communicates an authorization signal to the central computer system in response to such inputs. The authorization signal may be provided directly to the central computer system or via the local transponder, using any of the previously discussed communication means. If the vehicle is in the parking space beyond the time paid for, the transceiver ceases to send the authorization signal and, if the vehicle is still in the parking space, the central computer system declares a violation.
In accordance with the present invention, a user or vehicle based portable transceiver may also be used to facilitate automated
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