ELECTRONIC SECURITY SYSTEM FOR EXISTING MECHANICAL LOCKS

摘要

Subject: electronic security system for existing locks. Constitution: an electronically-controlled lock 4 bearing the mechanical engaging piston 3 being moving from the slot 5 to the slot 6 of the existing mechanical lock, the external access system and the internal control system. Purpose: securing existing mechanical locks via an electronically-controlled lock, in an easy and economic way; no replacement of old locks is required.