Temperature sensitive control equipment including thermometer with spaced contact terminals and having a housing

Claim 1

IN TEMPERATURE SENSITIVE CONTROL EQUIPMENT: AS ELONGATED, HOLLOW METAL HOUSING; A SEMI-CONDUCTOR DEVICE HAVING A BIAS TERMINAL AND A PAIR OF LOAD-CURRENT TERMINALS, THE DEVICE BEING DISPOSED ADJACENT ONE END OF THE HOUSING AND THE DEVICE BEING FOR USE IN CONTROLLING CURRENT TO A LOAD; A THERMOSTAT COMPRISING A GLASS THERMOMETER HAVING A COLUMN OF MERCURY AND A PAIR OF SPACED CONTACTS TO BE ELECTRICALLY CONNECTED AND DISCONNECTED BY THE RISE AND FALL OF THE COLUMN, THE THERMOMETER BEING AT LEAST PARTIALLY DISPOSED IN SAID HOUSING AND THE COLUMN END OF THE THERMOMETER BEING DISPOSED CLOSELY ADJACENT SAID SEMI-CONDUCTOR DEVICE, THE CONTACTS BEING FOR USE IN CONTROLLING THE BIAS ON SAID SEMICONDUCTOR DEVICE; ELECTRICAL CONNECTIONS CONNECTED BETWEEN SAID TERMINALS AND SAID CONTACTS INCLUDING RESISTOR MEANS CONNECTED WITH SAID CONTACTS AND WITH SAID BIAS TERMINAL FOR CONTROLLING THE BIAS ON SAID BIAS TERMINAL IN ACCORDANCE WITH THE RISE AND FALL OF SAID MERCURY COLUMN; AND MEANS SUPPORTING SAID DEVICE, SAID CONNECTIONS AND SAID THERMOSTAT IN SAID HOUSING, THE SUPPORTING MEANS BEING CHARACTERIZED BY BEING A CONDUCTOR OF THERMAL ENERGY AND A NON-CONDUCTOR OF ELECTRICAL ENERGY.