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A system 10 for remote operation of a deadbolt lock locks or unlocks a deadbolt 22 associated with a door 14 with a remotely-operated actuator 28 that is operationally coupled to deadbolt 22. The system 10 can convert an existing manually operated deadbolt 22 into a remotely operated deadbolt by rep

A system 10 for remote operation of a deadbolt lock locks or unlocks a deadbolt 22 associated with a door 14 with a remotely-operated actuator 28 that is operationally coupled to deadbolt 22. The system 10 can convert an existing manually operated deadbolt 22 into a remotely operated deadbolt by replacing an existing turnpiece associated with the manually operated deadbolt with a remotely operated actuator 28. Alternatively, the system 10 can lock door 14 of building 12 by mounting system 10 on or in either door 14 or building 12. System 10 can cooperate with other security systems in the building, including a siren 34 or a window sensor 46.

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[ What is claimed is:] [1.] A system for converting a manually operated deadbolt lock having a latch crank installed in a door, the latch crank having a torque blade interfaced with a turnpiece, into a remotely operated deadbolt lock, the system comprising:an actuator adapted to couple to an outer s

[ What is claimed is:] [1.] A system for converting a manually operated deadbolt lock having a latch crank installed in a door, the latch crank having a torque blade interfaced with a turnpiece, into a remotely operated deadbolt lock, the system comprising:an actuator adapted to couple to an outer surface of the door as a replacement to the turnpiece, the actuator further adapted to operationally couple to the torque blade of the deadbolt latch crank for automated moving of the deadbolt latch crank between a locked position and an unlocked position;a transmitter for transmitting a signal to command the actuator to move the latch crank to a locked or an unlocked position; anda receiving circuit board associated with the actuator for receiving the signal and commanding the actuator to move the latch crank to a locked or unlocked position.