E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
70/3
E05B 49/00 (2006.01) G07C 9/00 (2006.01)
Patent
CA 1319521
ABSTRACT: A security system including a security lock which can be programmed by the use of a master key to recognise specified slave keys. The system may include means for digitising a characteristic such as the thumb print, voice pattern, or retinal image of the holder of a slave key so that it is operable only by the key holder himself. The system s applicable inter alia to the protection of motor cars, the control of access to buildings and enclosures, and the restriction of operation of apparatus to authorised personnel.
571146
Borden Ladner Gervais Llp
Cockburn John B.
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