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A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.
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| Number | Title | Issue Date |
| 7368832 | Circuit and fault tolerant assembly including such circuit A circuit is provided that provides for the same power characteristics to an assembly of electrical resistive elements wired in parallel as to the assembly as wired in series. An input power source provides electrical resistive power to a plurality of load elements,... | 05/06/2008 |
| 7005618 | Clothes dryer apparatus and method An electric clothes dryer heater system including a heater element and a controller operationally coupled to the heater is provided. The controller is configured to provide an AC sine wave to a heater element of an electric clothes dryer, stop providing at a zero cr... | 02/28/2006 |
| 6987248 | Microprocessor controlled portable heating system A heating system including a power supply and a heating element for conducting a current from the power supply. A temperature sensing device is adopted to detect a temperature of the heating element, and a switch is connected in a circuit containing the power supply... | 01/17/2006 |
| 6936979 | Frequency-modulated dimming control system of discharge lamp The present invention discloses a frequency-modulated dimming control system of a discharge lamp. The frequency-modulated dimming control system of a discharge lamp includes including a voltage regulator having a variable output voltage for converting an input volta... | 08/30/2005 |
| 6917187 | Stabilized DC power supply device According to the conventional stabilized DC power supply device, there is a possibility that the output transistor breaks down by heat when the input voltage fluctuates. To cope with this, the stabilized DC power supply device embodying the invention is so configure... | 07/12/2005 |
| 6222162 | Electric blanket and control An electric blanket includes a heating element extending through the blanket so that, upon receiving electric current from a power source, the element heats the blanket. A regulator circuit is connected to the element. It is configured to measure the resi... | 04/24/2001 |
| 6111230 | Method and apparatus for supplying AC power while meeting the European flicker and harmonic requirements An improved control method is provided that combines conventional ON-OFF control and conventional phase-angle control to reduce the AC inrush current to an electrical load, such as a tungsten halogen lamp used as a heating element in a laser printer, so t... | 08/29/2000 |
| 6100510 | Heating unit incorporating a temperature sensor A control device includes both a heating element and a temperature sensor. The control device has the form of a Wheatstone bridge which applies sensing current to the heating element. When the bridge is unbalanced, the control device may apply heating cur... | 08/08/2000 |
| 5750961 | Method for controlling the actual temperature of an intermittently operated heating means, particularly of an electric heating means In a method for controlling the actual temperature of an intermittently operated heating means, at least one operating parameter is measured for a predetermined measuring time period (T) during a switch-on interval (86) of the heating means. On the basis ... | 05/12/1998 |
| 5565714 | Power conservation circuit A power conservation circuit having a low voltage power supply for powering a first and second switch. The first switch connects output terminals to either the low voltage power supply or a powered device. The second switch connects or disconnects power t... | 10/15/1996 |
| 5519311 | Control of AC power to inductive loads A control system is provided for controlling the average power from an alternating voltage source (AC) to a load having inductive properties. The system uses a synchronous switch shunted by a capacitor connected between the source (generator) and sink (lo... | 05/21/1996 |
| 5504306 | Microprocessor controlled tankless water heater system The present invention is an apparatus for controlling a water delivery system utilizing an instant flow tankless water heater. It includes a programmable microprocessor with support circuitry to achieve control of the outlet temperature of a varying flow ... | 04/02/1996 |
| 5416404 | Extremely low power zero crossing circuit A circuit for operating relay contacts is based upon the utilization of an AC line zero voltage to provide a relay contact closure. The circuit is inexpensive and draws extremely low current levels. The circuit involves a latching arrangement of gates res... | 05/16/1995 |
| 5057669 | Temperature control circuit having series connected fail-safe control An improved temperature control circuit having a controller portion with an inhibit input and a temperature responsive circuit portion that includes a resistive portion connected in series with a sensor portion which establishes the control point for the ... | 10/15/1991 |
| 5025134 | Means for refreshing a triac control circuit power supply An electronic controller comprising two input terminals between which an AC line and an electrical load are connected in series. A processing unit generates a command signal to control the supply of electrical power to the electrical load which closes an ... | 06/18/1991 |
| 5008516 | Relay control method and apparatus for a domestic appliance A relay control for a cooking appliance having a heating element includes a sensor for detecting the occurrence of an arc upon a change of state of a relay coupled between the heating element and a power supply. Upon detecting an arc, the sensor provides ... | 04/16/1991 |
| 5006695 | Process controller including power level control and method of operation An apparatus for controlling a heating element for heating a substance in accordance with a maximum power which is to be applied to the heating element and in accordance with a selected temperature to which the substance is to be heated is used in combina... | 04/09/1991 |
| 5003161 | Combination of an igniter for a gas furnace and a control unit therefor The combination of a heating element and a control unit therefor and methods of making and of operating the same are provided, the heating element normally being adapted to be operated by the continuous full wave pulses of a certain high voltage alternati... | 03/26/1991 |
| 4935601 | Automatic control circuitry for an electrode boiler humidifier A humidifier boiler has a plurality of electrodes supplied with electric current through circuitry which includes at least one solid state switch or relay such as inverse parallel thyristors or triacs arranged to switch at zero voltage so that, when the h... | 06/19/1990 |
| 4935606 | Method of operating gas furnace igniter The combination of a heating element and a control unit therefor and methods of making and of operating the same are provided, the heating element normally being adapted to be operated by the continuous full wave pulses of a certain high voltage alternati... | 06/19/1990 |
| 4923681 | High velocity hot air sterilization device with controller An automatically controlled recirculating high velocity hot air sterilization device includes a housing having a sterilization chamber with a temperature sensor mounted therein, a hot air plenum including a blower in fluid communication with a heating ele... | 05/08/1990 |
| 4897527 | Press for fabrics A fabric press comprises a press with a heating element (1) a temperature sensor (17), and a microprocessor based controller programmed to apply electrical power initially to the element for a boost period during which the press temperature is limited to ... | 01/30/1990 |
| 4816642 | Hot melt adhesive applicator and temperature control circuit therefor A hot melt adhesive applicator operable at a number of selected temperatures having a portion of the circuitry for control of the applicator temperature at a point remote from the applicator body. The remotely located circuitry employs a differential ampl... | 03/28/1989 |
| 4779036 | AC power control apparatus An AC power control apparatus includes a plurality of power supply circuits for generating powers having different maximum values, a switching circuit for, after an AC current is continuously set in a desired turn on control state, alternately selecting a... | 10/18/1988 |
| 4777350 | Heater with duty cycle controller A heater including a sensing device for sensing an ambient temperature, a temperature input device for providing a user selectable input temperature both connected to a first circuit to control the heater. The first control circuit includes positive feedb... | 10/11/1988 |
| 4745262 | Energy control system A control system for controlling the supply of electrical power to a heating element associated with an electrical appliance such as a frypan. The application of power to the heating element is controlled in two distinct modes, a first mode for simmering ... | 05/17/1988 |
| 4720623 | Power control device for a resistance heater in an oven A power control device for controlling power to a resistance heater in an oven uses a microprocessor, temperature measuring circuit, power measuring circuit, a triac circuit for firing the heater, a power phase synchronizer whereby the microprocessor sync... | 01/19/1988 |
| 4675777 | Temperature-responsive circuit for load control apparatus A temperature-responsive circuit, for operation with a load-control apparatus having a control input for adjusting the magnitude of power applied to a load from a source, uses: a sensor responsive to the temperature in the vicinity of the load-control app... | 06/23/1987 |
| 4629852 | Regulator circuit for control of heat output of a heating element A regulator circuit for controlling the heat output of a heating element adapted to be switched on and off by a semiconductor switch energized by a zero crossing switch having cycle group control, whereby a sensor signal derived from the sensed temperatur... | 12/16/1986 |
| 4574200 | Thermistor temperature control circuit A temperature controlled circuit including a thermistor located in one branch of a bridge circuit containing several resistors, an operational amplifier, all combined in such a manner that a resistor is inserted in parallel with the thermistor to lower it... | 03/04/1986 |
| 4493984 | Temperature control device for fixing heat source of copying machine A temperature control device for a fixing heat source of a copying machine includes circuits for supplying power to the fixing heat source in synchronism with the zero-cross point of an a.c. signal applied from an a.c. power source. The device functions t... | 01/15/1985 |
| 4449091 | Power controlling circuit for automatic regulating apparatus A power controlling circuit for automatic temperature regulator or the like using a zero voltage switching control. Clocks are dispersed and selected, in accordance with control factor, from among the clocks synchronized with the load power supply when ze... | 05/15/1984 |
| 4400613 | Temperature controller for a fusing roller Apparatus for controlling the cycles of AC power supplied to a variable thermal load in response to analog signals representing the temperature of the load comprising means for quantizing the analog signals into digital signals and controlling the proport... | 08/23/1983 |
| 4277671 | Temperature control system for electric heating appliance A system comprising a heat generating load such as a heater, a power control element for directly or indirectly supplying current to the heat generating load, a temperature detecting circuit for producing an ON signal when the temperature of the heat gene... | 07/07/1981 |
| 4198562 | Electrically heated bedcover with overheat protective circuit An electrical heating apparatus such as an electrically heated bedcover protected against an overheating condition by an overheat protective circuit which utilizes a pair of solid state switching devices in the heating element circuit. The solid state swi... | 04/15/1980 |
| 4010412 | Control of electrical power supplies Apparatus for distributing power from a single alternating current supply to a plurality of loads having individual switches or thermostats comprises triacs placed in series with each of the loads, a generator to generate a continuous series of firing pul... | 03/01/1977 |
| 3982173 | AC-DC voltage regulator AC-DC voltage regulation is achieved utilizing, among other components, a series pass control element which is serially connected to a detector and filter output stage and between circuit input terminals and an output load. A rectified input voltage is ap... | 09/21/1976 |
| 3967904 | Precision radiation source regulation circuit A precision lamp regulation circuit includes a source of AC power, a lamp connected in circuit with the AC source, a transistor switch connected in circuit between the AC source and the lamp, a light sensor optically coupled to respond to the radiation ou... | 07/06/1976 |
| 3961236 | Constant power regulator for xerographic fusing system A constant power regulator for a xerographic fuser in which power control is achieved by taking the sum of the load voltage and current. The regulator includes an operational amplifier connected as a voltage adding circuit. The operational circuit amplifi... | 06/01/1976 |
