Secure electronic entry system

Details Secure electronic entry system Secure electronic entry system

E - Fixed Constructions

05

B

E05B 47/00 (2006.01) E05B 49/00 (2006.01) G06K 17/00 (2006.01) G09C 1/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2179352

A method and apparatus for securing an area and gaining access to the secured area includes a secure locking unit and a remote key unit. An unlocking sequence is initiated and a random coded signal is generated in the locking unit. The random coded signal is transmitted to the key unit and simultaneously encoded with a predetermined encryption code in the locking unit to produce a master encrypted signal. The transmitted random coded signal is received in the key unit and encoded with the predetermined encryption code to produce a slave encrypted signal. The slave encrypted signal is transmitted to the locking unit and compared to the master encrypted signal. When the master and slave signals compare, a signal is generated to unlock the area.

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