Device for monitoring parked vehicles
First Claim
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1. A portable parking control unit for enabling a parking attendant to check whether a parked vehicle within a parking system properly commenced a parking period within the system, said control unit comprising:
- a. a vehicle registration plate reading device for optically reading and producing an image of a vehicle registration number carried by a vehicle registration plate, the reading device including sighting means for aligning the reading device directly with a vehicle registration plate to be read in order to accurately read the vehicle registration number carried by the registration plate, wherein the sighting means includes a low-power alignment laser that is manually aimed at the registration plate by a parking attendant to align the reading device carried by the portable parking control unit with the registration plate, and wherein the sighting means does not include an additional optical marker carried by the vehicle to be sensed to locate the vehicle registration plate;
b. a communication unit for communicating with a parking system central computer and for receiving from the central computer vehicle registration numbers for vehicles that had properly commenced a parking period by registering an account number and a vehicle registration number at the commencement of a parking period within the parking system;
c. a comparator for comparing vehicle registration numbers received from the central computer with a vehicle registration number that has been read by the reading device; and
d. an indicator for providing to a parking attendant information regarding whether the registration number of a parked vehicle corresponds with a registration number of a vehicle that had properly commenced a parking period within the parking system.
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Abstract
A parking control unit intended primarily for checking whether a parking fee has been paid in respect of a parked vehicle. The parking control unit is intended for use in a parking system of a kind in which the user registers an account number and the vehicle registration number at the commencement of a parking period, and again registers the account number at the end of the parking period. The account number, the registration number, the parking commencement time, and the parking termination time are stored in the memory of a central computer so that the parking time that has elapsed between the parking commencement time and the parking termination time can be billed to the account number that was registered at the commencement of the parking period.
36 Citations
9 Claims
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1. A portable parking control unit for enabling a parking attendant to check whether a parked vehicle within a parking system properly commenced a parking period within the system, said control unit comprising:
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a. a vehicle registration plate reading device for optically reading and producing an image of a vehicle registration number carried by a vehicle registration plate, the reading device including sighting means for aligning the reading device directly with a vehicle registration plate to be read in order to accurately read the vehicle registration number carried by the registration plate, wherein the sighting means includes a low-power alignment laser that is manually aimed at the registration plate by a parking attendant to align the reading device carried by the portable parking control unit with the registration plate, and wherein the sighting means does not include an additional optical marker carried by the vehicle to be sensed to locate the vehicle registration plate;
b. a communication unit for communicating with a parking system central computer and for receiving from the central computer vehicle registration numbers for vehicles that had properly commenced a parking period by registering an account number and a vehicle registration number at the commencement of a parking period within the parking system;
c. a comparator for comparing vehicle registration numbers received from the central computer with a vehicle registration number that has been read by the reading device; and
d. an indicator for providing to a parking attendant information regarding whether the registration number of a parked vehicle corresponds with a registration number of a vehicle that had properly commenced a parking period within the parking system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification
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Current AssigneeModul-System Sweden AB
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Original AssigneeModul-System Sweden AB
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InventorsHjelmvik, Torbernt
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Primary Examiner(s)Lee, Michael G.
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Assistant Examiner(s)St. Cyr, Daniel
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Application NumberUS09/341,375Publication NumberTime in Patent Office1,230 DaysField of Search235/384, 235/377, 235/382, 235/385, 235/462.24, 235/462.41, 705/52, 705/53, 705/56US Class Current235/384CPC Class CodesG07B 15/02 taking into account a varia...
