H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/32 (2006.01) G07C 9/00 (2006.01)
Patent
CA 2205311
The present invention is directed to a security system comprising a control panel for controlling the operation of the security system and a keypad for communication with the control panel by entry of access codes by key-presses of keys on the keypad of the keypad controller. The control panel includes a means for examining a sequence of key-presses for a match between a first defined number of consecutive key-presses and access codes programmed in the control panel. The control panel examines the sequence of key-presses after a second defined number of key-presses and if no match is found, continues to examine the most recent first defined number of key-presses after each further individual key-press until a match is found.
Bowering Alan J.
Clark David P.
Digital Security Controls Ltd.
Smart & Biggar
Tyco Safety Products Canada Ltd./produits de Securite Tyco Canad
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