G
PHYSICS
G06
COMPUTING OR CALCULATING; COUNTING
G06Q
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
20/00
Payment architectures, schemes or protocols
G06Q20/14
specially adapted for billing systems
G06Q20/145
Payments according to the detected use or quantity