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A system for operation of an induction stove includes an AC to DC voltage converter receiving AC voltage from a power input, a voltage sensing unit coupled to the converter and including an optocoupler, and a processor coupled to the sensing unit for receiving voltage information from the unit and c

A system for operation of an induction stove includes an AC to DC voltage converter receiving AC voltage from a power input, a voltage sensing unit coupled to the converter and including an optocoupler, and a processor coupled to the sensing unit for receiving voltage information from the unit and controlling at least one of input voltage, input current, and oscillation frequency of a heating coil of the induction stove. A method for operating an induction stove includes converting an AC voltage from a power input to a DC voltage, supplying the DC voltage to a voltage sensing unit coupled to the converter and including an optocoupler, transmitting a voltage measurement from the sensing unit to a processor, and controlling at least one of an input voltage and oscillation frequency to a heating coil of the induction stove via the processor based at least in part on the voltage measurement.

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1. A system for operation of an induction stove, comprising: an AC to DC voltage converter receiving AC voltage from a power input and generating a DC voltage;a filter having an input coupled to an output of said AC to DC voltage converter, said filter receiving and smoothing the generated DC voltag

1. A system for operation of an induction stove, comprising: an AC to DC voltage converter receiving AC voltage from a power input and generating a DC voltage;a filter having an input coupled to an output of said AC to DC voltage converter, said filter receiving and smoothing the generated DC voltage;a voltage sensing unit coupled to an output of said filter, said voltage sensing unit receiving the smoothed DC voltage and including an optocoupler;a processor coupled to the voltage sensing unit for receiving voltage information from said voltage sensing unit and controlling at least one of an input voltage, an input current, and an oscillation frequency of at least one heating coil of the induction stove based at least in part on said voltage information;a heating coil,a cook-top having an upper surface adapted to receive a cooking vessel thereon, anda mat positioned on the upper surface of said cook-top, said mat having a lower side adapted to be in contact with the upper surface of said cook-top and an upper side adapted to have a cooking vessel placed thereon, said mat having a thermally insulating portion and a thermally transmissive portion;said thermally transmissive portion overlaying a portion of the upper surface of said cook-top beneath which said heating coil is positioned;said thermally insulating portion comprising a first portion and a second portion, the first portion overlaying a portion of the upper surface of said cook-top beneath which said heating coil is positioned, and the second portion overlaying a portion of the upper surface of said cook-top not associated with said heating coil;said first portion of lower side having a first pattern formed therein and said second portion of the lower side having a second pattern formed therein, where the first pattern is different than the second pattern. 2. The system according to claim 1, wherein said voltage converter is a bridge rectifier. 3. The system according to claim 1, wherein said voltage sensing unit further comprises at least one voltage divider coupled to said voltage converter for dividing the voltage received from said filter. 4. The system according to claim 3, wherein said at least one voltage divider includes at least two resistors. 5. The system according to claim 1, wherein said voltage sensing unit further comprises a voltage to current converter coupled to said optocoupler, said converter receiving an input voltage and transmitting an output current to said optocoupler, wherein the input voltage and the output current have a linear relationship. 6. The system according to claim 1, wherein said voltage sensing unit further comprises a current to voltage converter coupled to said optocoupler, said converter receiving an input current from said optocoupler and transmitting an output voltage, wherein the input current and the output voltage have a linear relationship. 7. The system according to claim 1, further comprising a user input device that receives a power level selection from a user and transmits it to said processor. 8. The system according to claim 7, wherein said processor controls the at least one of the input voltage, the input current and the oscillation frequency of the at least one heating coil of the induction stove based at least in part on the power level selection from the user. 9. The system according to claim 7, wherein said processor comprises: a software for calculating an initial drive voltage for the at least one heating coil based at least in part on the voltage information received from the voltage sensing unit at a selected power level;a software for calculating an initial input current to the at least one heating coil to achieve the selected power level;a software for calculating a drive frequency of the at least one heating coil for the selected power level; anda software for adjusting at least one of the input voltage, the input current and the oscillation frequency based at least in part on a coil current measured by at least one sensor that measures a current in the coil. 10. The system according to claim 1, wherein the optocoupler comprises at least one LED and at least one photodiode. 11. The induction stove according to claim 1, wherein said heating coil is an induction coil. 12. The induction stove according to claim 1 wherein the first pattern comprises square protrusions. 13. The induction stove according to claim 1 wherein the second pattern comprises wave-shaped protrusions. 14. The induction stove according to claim 1 wherein said thermally transmissive portion comprises aluminum and said thermally insulating portion comprises silicon. 15. An induction stove, comprising: a heating coil;an AC to DC voltage converter receiving AC voltage from a power input and generating a DC voltage;a filter having an input coupled to an output of said AC to DC voltage converter, said filter receiving and smoothing the generated DC voltage;a voltage sensing unit coupled to an output of said filter and including an optocoupler, said voltage sensing unit receiving the smoothed DC voltage from said filter; anda processor including software and receiving voltage information from the voltage sensing unit and controlling at least one of an input voltage, an input current, and an oscillation frequency of the heating coil with the software based on the voltage information;a cook-top having an upper surface adapted to receive a cooking vessel thereon, anda mat positioned on the upper surface of said cook-top, said mat having a lower side adapted to be in contact with the upper surface of said cook-top and an upper side adapted to have a cooking vessel placed thereon, said mat having a thermally insulating portion and a thermally transmissive portion;said thermally transmissive portion overlaying a portion of the upper surface of said cook-top beneath which said heating coil is positioned;said thermally insulating portion comprising a first portion and a second portion, the first portion overlaying a portion of the upper surface of said cook-top beneath which said heating coil is positioned, and the second portion overlaying a portion of the upper surface of said cook-top not associated with said heating coil;said first portion of lower side having a first pattern formed therein and said second portion of the lower side having a second pattern formed therein, where the first pattern is different than the second pattern. 16. The induction stove according to claim 15, wherein said voltage sensing unit further comprises at least one voltage divider coupled to said voltage converter for dividing the voltage received from said filter. 17. The induction stove according to claim 15, wherein said voltage sensing unit further comprises a voltage to current converter coupled to said optocoupler, said converter receiving an input voltage and transmitting an output current to said optocoupler, wherein the input voltage and the output current have a linear relationship. 18. The induction stove according to claim 15, wherein said voltage sensing unit further comprises a current to voltage converter coupled to said optocoupler, said converter receiving an input current from said optocoupler and transmitting an output voltage, wherein the input current and the output voltage have a linear relationship. 19. The induction stove according to claim 15, further comprising a user input device that receives a power level selection from a user and transmits it to said processor. 20. The induction stove according to claim 19, wherein said processor controls the at least one of the input voltage, the input current and the oscillation frequency of the at least one heating coil of the induction stove based at least in part on the power level selection from the user. 21. The induction stove according to claim 15, wherein the software of said processor comprises: a software for calculating an initial drive voltage for the at least one heating coil based at least in part on the voltage information received from the voltage sensing unit at a selected power level;a software for calculating an initial input current to the at least one heating coil to achieve the selected power level;a software for calculating a drive frequency of the at least one heating coil for the selected power level; anda software for adjusting at least one of the input voltage, the input current and the oscillation frequency based at least in part on a coil current measured by at least one sensor that measures a current in the coil. 22. The induction stove according to claim 15, wherein said heating coil is an induction coil. 23. The induction stove according to claim 15 wherein the first pattern comprises square protrusions. 24. The induction stove according to claim 15 wherein the second pattern comprises wave-shaped protrusions. 25. The induction stove according to claim 15 wherein said thermally transmissive portion comprises aluminum and said thermally insulating portion comprises silicon.