Burglar alarm arrangement
作者： Ben Salomonson
DOI:
关键词: Record locking 、 ALARM 、 Computer security 、 Computer hardware 、 Engineering 、 Rekeying
摘要: The invention relates to a burglar alarm arrangement, which can be installed in mechanical lock, lock comprises at least cylinder (204), frame (208) and turn knob (214). A arrangement according the present without need change keys, rekeying or adding code systems. Additionally, identify an authorized opening of door by use key knob, deactivate system for that time. first means (206) second (212), (206 212) are functionally connected system.
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