Thermoelectrically cooled gyroscope

Claim 1

A UNIFORM-TEMPERATURE MOTION RESPONSIVE INSTRUMENT HAVING ZONES OF VARYING HEAT OUTPUT COMPRISING: AN INSTRUMENT HOUSING CONTAINING AN INERTIAL ASSEMBLY ON A ROTATIONAL AXIS AND A FLUID FILLED CHAMBER AROUND SAID ASSEMBLY; A FINNED HEAT TRANSFER SHELL AROUND SAID HOUSING AND SPACED THEREFROM; A PLURALITY OF THERMOELECTRIC HEAT TRANSFER RINGS BETWEEN AND IN THERMAL CONTACT WITH SAID SHELL AND HOUSING, POSITIONED OVER ZONES OF DIFFERING HEAT OUTPUT; EACH OF SAID RINGS INCLUDING A FIRST PLURALITY OF CIRCUMFERENTIALLY-SPACED PLATES IN THERMAL CONTACT WITH SAID HOUSING, THERMOELECTRIC ELEMENTS IN CONTACT WITH SAID PLATES AND A SECOND PLURALITY OF PLATES IN CONTACT WITH SAID ELEMENTS AND WITH SAID SHELLS; AND SEPARATE ELECTRICAL INPUT AND CONTROL MEANS OPERATIVELY CONNECTED TO RESPECTIVE ONES OF SAID RINGS OF DIFFERENT HEAT OUTPUT ZONES AND INCLUDING TEMPERATURE SENSING MEANS IN SAID FLUID FILLED CHAMBER TO THEREBY ADD OR SUBTRACT HEAT FROM EACH ZONE IN A CONTROLLED MANNER AND OBTAIN A UNIFORM, CONSTANT INSTRUMENT TEMPERATURE.