Voltage-controlled transparency lets one in-cabin panel show graphics outward while staying protected, space-saving, and visible in changing light.
Solar cells supplement battery power in an electronic parking disc, preventing voltage depletion and ensuring continuous operation for regulatory compliance.
Barcode reader detects vehicle window authorization data using digital imaging, replacing costly long-range RFID systems to reduce driver wait times.
Centralization server modifies subsequent parking rights based on previously issued passes, reducing manual enforcement complexity for ticketing agents.
An autonomous parking disc uses an accelerometer and chronometer to track vehicle motion.