A field emission device is configured as a heat engine with an AC output.
대표청구항▼
1. A method, comprising: receiving a first signal corresponding to a heat engine, the heat engine including an anode, cathode, gate and suppressor;processing the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine;prod
1. A method, comprising: receiving a first signal corresponding to a heat engine, the heat engine including an anode, cathode, gate and suppressor;processing the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine;producing a second signal based on a second power output greater than the first power output; andtransmitting the second signal corresponding to the second power output. 2. The method of claim 1 wherein producing the second signal includes: determining a change in the operating frequency of the heat engine. 3. The method of claim 2 further comprising: varying the operating frequency of the heat engine in response to the determined change. 4. The method of claim 3 wherein the anode, cathode, gate, and suppressor are separated by cathode-gate, gate-suppressor, and suppressor-anode separations, and wherein varying the operating frequency of the heat engine includes: periodically varying at least one of the cathode-gate, gate-suppressor, and suppressor-anode separations. 5. The method of claim 3 wherein the anode, gate, and suppressor are each operably connected to a power source to produce an anode electric potential, a gate electric potential, and a suppressor electric potential, and wherein varying the operating frequency of the heat engine includes: periodically varying at least one of the anode electric potential, the gate electric potential, and the suppressor electric potential. 6. The method of claim 1 wherein receiving a first signal corresponding to a heat engine includes: receiving input from a user. 7. The method of claim 1 wherein the received first signal corresponds to an anode current, and wherein processing the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: determining the relative power output based on the anode current. 8. The method of claim 1 wherein the received first signal corresponds to an anode temperature, and wherein processing the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: determining the first relative power output based on the anode temperature. 9. The method of claim 1 wherein the received first signal corresponds to a cathode temperature, and wherein processing the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: determining the first relative power output based on the cathode temperature. 10. An apparatus comprising: circuitry configured to receive a first signal corresponding to a heat engine, the heat engine including an anode, cathode, gate and suppressor;circuitry configured to process the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine;circuitry configured to produce a second signal based on a second power output greater than the first power output; andcircuitry configured to transmit the second signal corresponding to the second power output. 11. The apparatus of claim 10 wherein the circuitry configured to produce the second signal includes: circuitry configured to determine a change in the operating frequency of the heat engine. 12. The apparatus of claim 11 further comprising: circuitry configured to vary the operating frequency of the heat engine in response to the determined change. 13. The apparatus of claim 12 wherein the anode, cathode, gate, and suppressor are separated by cathode-gate, gate-suppressor, and suppressor-anode separations, and wherein the circuitry configured vary the operating frequency of the heat engine includes: circuitry configured to periodically vary at least one of the cathode-gate, gate-suppressor, and suppressor-anode separations. 14. The apparatus of claim 12 wherein the anode, gate, and suppressor are each operably connected to a power source to produce an anode electric potential, a gate electric potential, and a suppressor electric potential, and wherein the circuitry configured to vary the operating frequency of the heat engine includes: circuitry configured to periodically vary at least one of the anode electric potential, the gate electric potential, and the suppressor electric potential. 15. The apparatus of claim 10 wherein the circuitry configured to receive a first signal corresponding to a heat engine includes: circuitry configured to receive input from a user. 16. The apparatus of claim 10 wherein the received first signal corresponds to an anode current, and wherein the circuitry configured to process the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: circuitry configured to determine the relative power output based on the anode current. 17. The apparatus of claim 10 wherein the received first signal corresponds to an anode temperature, and wherein the circuitry configured to process the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: circuitry configured to determine the first relative power output based on the anode temperature. 18. The apparatus of claim 10 wherein the received first signal corresponds to a cathode temperature, and wherein the circuitry configured to process the first signal to determine a first relative power output of the heat engine as a function of an operating frequency of the heat engine includes: circuitry configured to determine the first relative power output based on the cathode temperature. 19. A method, comprising: receiving a first signal corresponding to a heat engine, the heat engine including an anode, cathode, gate and suppressor;processing the first signal to determine a first relative thermodynamic efficiency of the heat engine as a function of an operating frequency of the heat engine;producing a second signal based on a second power output greater than the first power output; andtransmitting the second signal corresponding to the second power output. 20. An apparatus comprising: circuitry configured to receive a first signal corresponding to a heat engine, the heat engine including an anode, cathode, gate and suppressor;circuitry configured to process the first signal to determine a first relative thermodynamic efficiency of the heat engine as a function of an operating frequency of the heat engine;circuitry configured to produce a second signal based on a second power output greater than the first power output; andcircuitry configured to transmit the second signal corresponding to the second power output.
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