ClassID:

194074

G07C2009/00246 - CPC Classification

Classification description:

Individual registration on entry or exit; Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed periodically, e.g. after a time period

Recent Application in this class: