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The software aspect of the system runs on standard home computer hardware and can be linked to other applications or databases.It first uses a series of image manipulation techniques to detect, normalize and enhance the image of the number plate, and then optical character recognition (OCR) to extract the alphanumerics of the license plate.
Similar in size to traditional license plates, an electronic license plate often has a digital display measuring 12 by 6 inches (30 by 15 cm) which is set into a rectangular housing. [3] The display is powered either directly from the vehicle's power system or by batteries and can communicate with the vehicle's onboard computer. [4]
Pay-by-plate machines are a subset of ticket machines used for regulating parking in urban areas or parking lots. They enable customers to purchase parking time by using their license plate number. The machines print a receipt that generally displays the location, machine number, start time, expiration time, amount paid, and license plate.
The original business plan presented to investors in 1969 showed uses in transportation (automotive vehicle identification, automatic toll system, electronic license plate, electronic manifest, vehicle routing, vehicle performance monitoring), banking (electronic chequebook, electronic credit card), security (personnel identification, automatic ...
Vehicles without transponders are either excluded or pay by plate – a license plate reader takes a picture of the license plate to identify the vehicle, and a bill may be mailed to the address where the car's license plate number is registered, or drivers may have a certain amount of time to pay online or by phone.
The electromagnetic parking sensor (EPS) was re-invented and patented in 1992 by Mauro Del Signore. [2] Electromagnetic sensors rely on the vehicle moving slowly and smoothly towards the object to be avoided. Once an obstacle is detected, the sensor continues to signal the presence of the obstacle even if the vehicle momentarily stops.