Time recording lock system

Claim 1

A RECORDING LOCKING SYSTEM OF THE CHARACTER DESCRIBED FOR CONTROLLING ACCESS TO A LOCKED AREA THROUGH A LATCHABLE DOOR COMPRISING IN COMBINATION: A REMOVABLE KEY ASSEMBLY HAVING AT LEAST ONE ELECTRONIC COMPONENT OF A SPECIFIC VALUE AND HAVING A FIRST SET OF CONTACTS CONNECTED TO SID COMPONENT; A KEY RECEPTACLE OUTSIDE THE LOCKED AREA FOR RECEIVING SAID KEY COMPRISING A SECOND SET OF CONTACTS ADAPTED TO ENGAGE SAID FIRST SET OF CONTACTS WHEN SAID RECEPTACLE RECEIVES SAID KEY AND FIRST SWITCH MEANS ADAPTED TO BE OPERATED WHEN SAID RECEPTACLE RECEIVES SAID KEY; A KEY RECEPTACLE INSIDE THE LOCKED AREA FOR RECEIVING SAID KEY COMPRISING A THIRD SET OF CONTACTS ADAPTED TO ENGAGE SAID FIRST SET OF CONTACTS WHEN SAID RECEPTACLE RECEIVES SAID KEY AND SECOND SWITCH MEANS ADAPTED TO BE OPERATED WHEN SAID RECEPTACLE RECEIVES SAID KEY; AN ELECTRICAL DISCRIMINATING CONTROL CIRCUIT RESPONSIVE TO ELECTRONIC COMPONENTS OF THE TYPE AND SPECIFIC VALUE AS SAID COMPONENT IN THE KEY ASSEMBLY AND HAVING AN INPUT CONNECTABLE TO SAID COMPONENT IN SAID KEY ASSEMBLY THROUGH SAID SECOND OR THIRD SET OF CONTACTS WHEN SAID KEY ASSEMBLY IS INSERTED IN EITHER THE OUTSIDE OR INSIDE KEY RECEPTACLES; ELECTRICAL SWITCHING MEANS RESPONSIVE TO SAID DISCRIMINATING CONTROL CIRCUIT; MEANS FOR LATCHING THE AFOREMENTIONED DOOR IN THE CLOSED POSITION; LATCH CONTROLLING MEANS COMPRISING LATCH ACTUATING CIRCUIT MEANS CONNECTED TO SAID SWITCHINGMEANS, THIRD SWITCH MEANS HAVING A FIRST POSITION CONNECTING SAID FIRST SWITCH MEANS TO SAID ACTUATING CIRCUIT FOR PLACING SAID ACTUATING CIRCUIT SAID SECOND SWITCH MEANS AND SAID SWITCHING MEANS ARE MEANS AND SAID SWITCHING MEANS ARE OPERATED SIMULTANEOUSLY AND HAVING A SECOND POSITION CONNECTING SAID SECOND SWITCH MENS TO SAID ACTUATING CIRCUIT FOR PLACING SAID ACTUATING CIRCUIT IN CONDITION TO BE ENERGIZED ONLY WHEN SAID SECOND SWITCH MEANS AND SAID SWITCHING MEANS ARE OPERATED SIMULATANEOULY, AND MEANS FOR CHANGING THE POSITION OF SAID THIRD SWITCH MEANS EACH TIME SAID LATCH IS OPERATED; AND GRAPHIC RECORDING MEANS CONNECTED TO SAID THIRD SWITCH MEANS FOR PRODUCING A RECORD WHENEVER SAID THIRD SWITCH MEANS IS IN SAID SECOND POSITION.