A programmable slow-cooker appliance uses an application-specific integrated circuit digital controller, in which a user sets a time and temperature for cooking a food item. The digital controller prevents the unit from functioning only as a "keep warm" appliance, and a unique design allows cooling
A programmable slow-cooker appliance uses an application-specific integrated circuit digital controller, in which a user sets a time and temperature for cooking a food item. The digital controller prevents the unit from functioning only as a "keep warm" appliance, and a unique design allows cooling of the application-specific integrated circuit digital programmable controller during cooking.
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What is claimed is: 1. A programmable slow-cooker appliance, comprising: a heating unit; a cooking unit adapted to fit at least partially within the heating unit; a controller housing mounted to an outside of the heating unit; and an application-specific integrated circuit controller mounted to the
What is claimed is: 1. A programmable slow-cooker appliance, comprising: a heating unit; a cooking unit adapted to fit at least partially within the heating unit; a controller housing mounted to an outside of the heating unit; and an application-specific integrated circuit controller mounted to the housing to control the heating unit, wherein the housing is configured to convect heat away from the controller. 2. The slow-cooker appliance of claim 1, wherein the housing is an enclosure for at least a portion of the controller. 3. The slow-cooker appliance of claim 2, wherein the controller housing insulates the controller from the heating unit. 4. The slow-cooker appliance of claim 3, wherein the housing further comprises a heat shield, and the heat shield is made from a material selected from at least one of thermoplastics and insulating materials. 5. The slow-cooker appliance of claim 4, wherein the housing defines ventilation openings configured to allow air to flow into and out of said housing. 6. The slow-cooker appliance of claim 5, wherein the housing includes at least a pair of slots defined in an upper and lower part of the housing to define airflow thru the slots and behind the controller. 7. The slow-cooker appliance of claim 1, wherein the controller further comprises control elements and a display. 8. The slow-cooker appliance of claim 7, wherein the control elements are selected from the group consisting of a control panel, push-buttons, switches, and a digital readout. 9. The slow-cooker appliance of claim 1, further comprising a temperature measuring device in communication with said controller. 10. The slow-cooker appliance of claim 1, further comprising a piezobuzzer. 11. The slow-cooker appliance of claim 1, wherein the controller further comprises a memory and an algorithm stored within the memory. 12. A plastic control housing for a slow-cooker heating unit, said housing comprising: a front wall; a bottom wall defining at least one lower opening, the bottom wall attached to the front wall; a top wall defining at least one upper opening, the top wall attached to the front wall; and a circuit board mounted behind the front wall, the circuit board apart from a wall of the heating unit. 13. The control housing of claim 12, further comprising a heat sink between the circuit board and the front wall. 14. A method of using a programmable slow-cooker appliance, the method comprising: providing a food item; placing the food item into a cooking unit of the slow-cooker appliance; selecting a cooking temperature and time using an application specific integrated circuit controller mounted to a housing for the controller on a sidewall of the slow-cooker appliance; setting the cooking temperature by default by setting a cooking time; and changing the temperature automatically to a lower temperature after the selected time. 15. The method of claim 14, further comprising notifying a user with illuminated indicators that the slow-cooker appliance is powered and that the timer is active. 16. The method of claim 14, wherein the cooking time is selected from the group consisting of 4 hours, 6 hours, 8 hours and 10 hours. 17. The method of claim 14, wherein the temperature and time are set in increments. 18. The method of claim 14, further comprising cooling the electronic circuitry of the application specific integrated circuit controller via a chimney effect. 19. The method of claim 14, further comprising emitting a sound. 20. A programmable slow-cooker appliance comprising: a heating unit including a bottom and a continuous outer sidewall and an inner sidewall, the bottom and inner sidewall defining a well-like heating chamber having an open top end, a heating element positioned between the outer sidewall and the inner sidewall for providing heat to said well-like chamber, and a pair of handles extending in opposite directions from said continuous side wall; a ceramic cooking unit having a lip adapted to be supported by said heating unit and to extend at least partially within said well-like heating chamber; a control panel provided on said outer sidewall of said heating unit, and; positioned between said handles of said heating unit; and a programmable circuit operatively associated with said control panel, said programmable circuit being configured to cause the heating element to operate in a plurality of cooking modes and to allow a user via the control panel to set cooking time and temperature, wherein upon expiration of a cooking time set by the user, the programmable circuit automatically reduces power to the heating element to a warm mode to maintain a food item in the ceramic cooking unit at a predetermined temperature less than the cooking temperature, and wherein the slow-cooker cannot be set to the warm mode when setting the cooking time and temperature. 21. A programmable slow-cooker appliance as described in claim 20, wherein said cooking modes include a first and second cooking temperature and the first cooking temperature is lower than the second cooking temperature. 22. A programmable slow-cooker appliance as described in claim 20, wherein the temperature of the warm mode is less than the first cooking temperature. 23. A programmable slow-cooker appliance as described in claim 20, including a thermistor mounted to said heating unit and connected to said programmable circuit. 24. A programmable slow-cooker appliance as described in claim 20, wherein said programmable circuit includes a microprocessor-based controller. 25. A programmable slow-cooker appliance as described in claim 20, wherein said programmable circuit includes a temperature sensor operatively coupled to said microprocessor-based controller. 26. A programmable slow-cooker appliance as described in claim 20, wherein said programmable circuit is configured to default to a cooking mode when electrical power is initially applied thereto. 27. A method of using a programmable slow-cooker appliance, the method comprising: providing a food item; placing the food item into a cooking unit of the slow-cooker appliance; selecting a cooking temperature and time using an application specific integrated circuit controller mounted to a housing for the controller on a sidewall of the slow-cooker appliance; changing the temperature automatically to a lower temperature after the selected time; and cooling the electronic circuitry of the application specific integrated circuit controller via a chimney effect. 28. A programmable slow-cooker appliance comprising: a heating unit including a bottom and a continuous outer sidewall and an inner sidewall, the bottom and inner sidewall defining a well-like heating chamber having an open top end, a heating element positioned between the outer sidewall and the inner sidewall for providing heat to said well-like chamber, and a pair of handles extending in opposite directions from said continuous side wall; a ceramic cooking unit having a lip adapted to be supported by said heating unit and to extend at least partially within said well-like heating chamber; a housing provided on said outer sidewall of said heating unit, said housing being positioned between said handles of said heating unit and including a control panel; and a programmable circuit operatively associated with said control panel, said programmable circuit being configured to cause the heating element to operate in a plurality of cooking modes and to allow a user to set cooking time and temperature, wherein upon expiration of a cooking time set by the user, the programmable circuit automatically reduces power to the heating element to a warm mode to maintain a food item in the ceramic cooking unit at a predetermined temperature less than the cooking temperature and wherein said circuit is configured to prevent a user from initially setting the slow-cooker to warm mode. 29. A programmable slow-cooker appliance comprising: a heating unit including a bottom and a continuous outer sidewall and an inner sidewall, the bottom and inner sidewall defining a well-like heating chamber having an open top end, a heating element positioned between the outer sidewall and the inner sidewall for providing heat to said well-like chamber, and a pair of handles extending in opposite directions from said continuous side wall; a ceramic cooking unit having a lip adapted to be supported by said heating unit and to extend at least partially within said well-like heating chamber; a housing provided on said outer sidewall of said heating unit, said housing being positioned between said handles of said heating unit and including a control panel, said housing including a plurality of vent openings; and a programmable circuit operatively associated with said control panel, said circuit being positioned within said housing such that said circuit is cooled by air flowing into and out of said openings when said appliance is operated, said programmable circuit being configured to cause the heating element to operate in a plurality of cooking modes and to allow a user to set cooking time and temperature, wherein upon expiration of a cooking time set by the user, the programmable circuit automatically reduces power to the heating element to a warm mode to maintain a food item in the ceramic cooking unit at a predetermined temperature less than the cooking temperature. 30. A programmable slow-cooker appliance comprising: a heating unit including a bottom and a continuous outer sidewall and an inner sidewall, the bottom and inner sidewall defining a well-like heating chamber having an open top end, a heating element positioned between the outer sidewall and the inner sidewall for providing heat to said well-like chamber, and a pair of handles extending in opposite directions from said continuous side wall; a ceramic cooking unit having a lip adapted to be supported by said heating unit and to extend at least partially within said well-like heating chamber; a housing provided on said outer sidewall of said heating unit, said housing being positioned between said handles of said heating unit and including a control panel; and a programmable circuit operatively associated with said control panel, said programmable circuit being configured to cause the heating element to operate in a plurality of cooking modes and to allow a user to set cooking time and temperature, wherein upon expiration of a cooking time set by the user, the programmable circuit automatically reduces power to the heating element to a warm mode to maintain a food item in the ceramic cooking unit at a predetermined temperature less than the cooking temperature, and said circuit being configured to default to a cooking mode when electrical power is initially applied thereto.
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