ELECTRONIC BINARY-CODE LOCK Russian patent published in 1997 - IPC

FIELD: electronic locking devices. SUBSTANCE: electronic circuit of lock widens its sphere of application due to possibility to preset lock secrecy practically in unlimited range and also due to reliable protection from unauthorized decoding by selection or by connecting technical facilities. Priority circuits help control a group of entrance doors of single object for subsequent opening of doors. Design of decoder handle allows for using lock on left- and right-hand doors. Button field of lock is located on invisible side of door handle. EFFECT: higher efficiency. 3 cl, 4 dwg