Patent ID: 9206623
Filing Date: 2015-12-08
Classification: E05B,G08B

Abstract:
1. A burglar alarm arrangement for a mechanical lock in a door, said mechanical lock comprising at least a lock cylinder, a lock frame and a turn knob, the burglar alarm arrangement comprising: (a) an alarm system, which, when activated, is arranged to perform, an alarm when the door is in a door-open mode; (b) first means functionally connected to the alarm system, said first means located between the lock cylinder and the lock frame of the mechanical lock; and (c) second means functionally connected to the alarm system, said second means located under the turn knob of the mechanical lock, said first means arranged to perform an indication as a result of a first action, said first action comprises unlocking the lock by turning a correct key in the lock cylinder, and said second means arranged to perform an indication as a result: of a second action, which said indication is arranged to cause deactivation of said alarm system.