Electronic card capable of changing communication...
Electronic card with indicator of normal operation
Electronic cashless system
Electronic coupon system and method of processing electronic...
Electronic debit card and method for recharging an electronic de
Electronic delivery of admission tickets direct to a purchaser
Electronic equipment point-of-sale activation to avoid theft
Electronic franking machine having improved security capabilitie
Electronic fund transfer or transaction system
Electronic funds acceptor for vending machines
Electronic identification and recognition system with code chang
Electronic image acquisition for gaming systems
Electronic kay storing time-varying code segments generated by a
Electronic key
Electronic key having an elongated handle and requiring no rotat
Electronic key with optical scanner
Electronic lock
Electronic lock and key mechanism
Electronic lock and key system for hotels and the like
Electronic lock box, access card, system and method