System for identifying, for example, a person for operating an electrical appliance, a mechanical appliance or any other appliance

摘要: System for identifying, example, a person operating an electrical appliance, mechanical appliance or any other appliance. When the key (2) has been coupled to electronic lock this first of all transmits, via circuit (18), single pulse enabling coded data originally contained in passive memory formed by set switches (10) be loaded into shift register (9). The (9) is subsequently read means succession pulses transmitted serial reading (20). number corresponds bits owing existence stop (23) containing counter (42). In variant some can replaced fusible links, state which changed at will writing key.