| 摘要 |
<p>The invention provides an integrated electronic security lock, suitable for both commerical and domestic premises, and wherein the security code may easily be changed. The invention provides an intergrated electronic security lock, comprising: a lock mechanism activated by a motor responsive to a control circuit. An electronic key containing a first memory for storing a first code, said key being adapted to be coupled to the said control circuit and being provided with communication means for communicating with the said control circuit, and the said control circuit includes; power supply means for supplying d.c. power to the said control circuit; and computing means; and a second memory coupled to the said computing means for storing a second code; and a third memory coupled to the said computing means for storing a predetermined instruction set, and having status determination means for determining the status (locked or unlocked) of the said lock mechanism, and having first selection means for inverting the said status; and having checking means for comparing the said first and second codes thereby identifying whether the said key is valid; and having second selection means responsive to the said checking means for generating new first and second codes and storing the said codes in the said first and second memory, respectively, and having a third selection means responsive to the said checking means for copying the said first code to the first memory of another key or keys.</p> |
