A remotely controllable locking mechanism for a combination key-operated deadbolt lock and door knob latching lock for a door. A housing for the operating parts is inserted in a mortised pocket or cavity in the latch edge of the door. The electronics to operate the mechanism sends a signal to...http://www.google.ca/patents/US5852944?utm_source=gb-gplus-sharePatent US5852944 - Remotely controlled door lock
