heatwole

Claim 1

AN INFORMATION STORAGE SYSTEM COMPRISING A STACK OF A PLURALITY OF INSULATING SHEETS, MEANS FOR ELECTRICALLY INSULATING SAID SHEETS FROM EACH OTHER, EACH SAID SHEET HAVING A FIRST CONDUCTIVE CONTACT AT A PREDETERMINED POSITION CORRESPONDING TO FIRST CODED INFORMATION, A SECOND CONDUCTIVE CONTACT AT A PREDETERMINED POSITION CORRESPONDING TO SECOND CODED INFORMATION, A THIRD CONDUCTIVE CONTACT, ELECTRICALLY CONDUCTING MEANS CONNECTING SAID FIRST CONTACT TO SAID THIRD CONTACT, ELECTRICALLY CONDUCTING MEANS CONNECTING SAID SECOND CONTACT TO SAID THIRD CONTACT, SAID ELECTRICALLY CONDUCTING MEANS CONSTITUTING AN ADDITIVE RESISTIVE CIRCUIT, A FIRST SET OF BUSSES CONTACTING CORRESPONDING FIRST CONTACTS ON SAID SHEETS, A SECOND SET OF BUSSES CONTACTING CORRESPONDING SECOND CONTACTS ON SAID SHEETS, AND MEANS CONTACTING EACH SAID THIRD CONTACTS FOR DECTING A POTENTIAL OCCURRING SIMULTANEOUSLY AT SAID FIRST CONTACT AND SECOND CONTACT.