| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219494000 |
Thermally responsive
| 108 |
| 219492000 |
Comprising timing or cycling means
| 26 |
| 219497000 |
Comprising voltage and/or current measuring and comparing or combining means
| 26 |
| 219504000 |
Comprising variable resistance means
| 8 |
| 219491000 |
Combined (e.g., electromechanical and thermal)
| 7 |
| 219506000 |
With signal or indicating means
| 6 |
| 219502000 |
Utilizing light-sensitive and/or responsive means | 2 |
| 20150069046 | Method And Apparatus For Thermal Mapping And Thermal Process Control - A thermal processing apparatus is provided in accordance with some embodiments. The thermal processing apparatus includes a heating source for transmitting incident radiation to a work piece having a circuit pattern formed on a front surface; a radiation sensor configured to receive light radiated from the front surface of the work piece; and a controller coupled to the radiation sensor, the controller being designed to control the heating source to reduce temperature variation of the work piece. | 03-12-2015 |
| 20160084986 | Snow and Ice Melting System and Sensors Therefor - Embodiments of the invention provide a snow and ice melting heating system that can include a capacitive probe, such as an aerial probe, having a capacitive sensor to improve detection of the onset or accumulation of snow or ice. The capacitive probe provides uniform response to the presence of snow and ice on the capacitive sensor, and the capacitive sensor can be protected from galvanic corrosion by one or more coatings without affecting the detection of snow or ice. The capacitive probe can indicate when heaters should be turned on to melt snow or ice. The system can include a light probe having a color sensor to detect snow cover, or lack thereof, on a monitored surface from the color of reflected light. The light probe provides a monitoring device that can detect when the snow cover has melted and signal for the system heaters to be turned off. | 03-24-2016 |
| 219501000 |
Including semiconductor means (e.g., transistor) | 2 |
| 20100122976 | THERMISTOR WITH 3 TERMINALS, THERMISTOR-TRANSISTOR, CIRCUIT FOR CONTROLLING HEAT OF POWER TRANSISTOR USING THE THERMISTOR-TRANSISTOR, AND POWER SYSTEM INCLUDING THE CIRCUIT - Provided are a thermistor with 3 terminals, a thermistor-transistor including the thermistor, a circuit for controlling heat of a power transistor using the thermistor-transistor, and a power system including the circuit. The circuit includes: a thermistor-transistor which comprises a thermistor having a resistance decreasing with an increase in temperature and a control transistor connected to the thermistor; and at least one power transistor which is connected to a driving device to control a supply of power to the driving device, wherein the thermistor-transistor is adhered to one of a surface and a heat-emitting part of the at least one power transistor and is connected to one of a base, a gate, a collector, and a drain of the at least one power transistor to decrease or block a current flowing in the at least one power transistor when the temperature of the at least one power transistor rises, so as to prevent the power transistor from heating up. | 05-20-2010 |
| 20110204040 | Temperature-control circuit of a heating line and a temperature-control method thereof - A temperature-control circuit of a heating line and a temperature-control method thereof are disclosed. The method comprises steps of: outputting a forward square-wave signal by a first forward square-wave signal generation circuit; outputting a reverse square-wave signal by a reverse square-wave signal generation circuit; and outputting a varied forward square-wave signal by a second forward square-wave signal generation circuit. Above square-wave signal generation circuits are respectively connected with an AND gate. When the input square-wave signals are simultaneously logic high, a switch is triggered by a trigger circuit to heat the heating wire. When the heating wire's temperature increases, the forward square-wave signal output by the second forward square-wave signal generation circuit is changed so as to render these input square-wave signals non-simultaneously logic high and not to trigger the switch in order to stop the heating wire's heating and keep the heating wire at a certain temperature range. | 08-25-2011 |
| 219500000 |
Including electron or glow-discharge tube means | 1 |
| 20130334202 | TEXTILE OR NON-TEXTILE SHEET AND/OR FABRIC WITH ELECTRICAL FUNCTION - The present invention relates to a flat-shaped article with an electrical function for placement in a functional tone. Provision is made that, even after having been placed, the flat-shaped article can again be removed without being destroyed from the functional zone. | 12-19-2013 |
| Entries |
| Document | Title | Date |
|---|
| 20080283516 | Current Supply for Heaters - The invention relates to a current supply device for a surface resistance heater, a heating system and to a method for supplying a surface resistance heater with current. The resistance of the surface resistance heater is measured in a continuous manner in order to detect short-circuits. In the event of a short-circuit, the current is limited or cut-off. Said current supply device is, preferably, embodied as a skirting board or as a cover strip. | 11-20-2008 |
| 20090139981 | System, method and computer program product for programmable counter-top electric oven - A multi-stage cooking method for a counter-top electric oven is provided. The oven may include at least one cooking element and at least one control system coupled to the cooking element, the control system including a processor, a storage device, and an input interface. The multi-stage cooking method may include: receiving the multi-stage cooking recipe for the counter-top electric oven; storing the multi-stage cooking recipe in the storage device of the counter-top electric oven; and executing the multi-stage cooking recipe with the counter-top electric oven. | 06-04-2009 |
| 20090188907 | STEEL SHEET HEAT TREATMENT/STAMP SYSTEM AND METHOD - An apparatus and related method are provided for a manufacturing process including heating of a processed part. A resistance heating assembly applies an electrical current to a work part comprising a sheet of high-tensile steel having a heat-resistant plating to improve formability. A heating control system regulates the electrical current to the work part in order to control the temperature of the work part. A temperature detector detects a temperature of the work part and generates feedback to the heating control system in order to regulate the electrical current. An electrical resistance detector measures an electrical resistance within the work part and generates feedback to the heating control system in order to regulate the electrical current. | 07-30-2009 |
| 20090230117 | ELECTRICALLY HEATED AEROSOL GENERATING SYSTEM AND METHOD - An electrically heated aerosol generating system for receiving an aerosol-forming substrate includes at least one heating element for heating the substrate to form the aerosol and a power supply for supplying power to the at least one heating element. The power supply includes a voltage source, two or more supercapacitors, and switches between the voltage source and the two or more supercapacitors. The switches are arranged so that, during a charging mode, the supercapacitors are connected so as to be charged by the voltage source and, during a heating mode, the supercapacitors are connected so as to discharge through the at least one heating element. | 09-17-2009 |
| 20100116814 | Heating Process that Keeps a Heating Apparatus at a Constant Temperature by the Power Supply of a Portable Battery - A heating apparatus includes a portable battery, a controller connected to the portable battery, and a heating module connected to the controller. The controller is provided with a software program that previously detects the voltage variation of the portable battery to change the on/off percentage of the duty cycle of the portable battery and to regulate the output current of the portable battery according to the preset temperature and the detected voltage variation of the portable battery, so that the input current of the heating module is kept at a constant value, and the temperature of the heating module of the heating apparatus is kept at a constant value of the preset temperature at any time. | 05-13-2010 |
| 20100224621 | Method and Means for Controlling Power Delivery to an Equipment for Counter-Acting Formation of Ice or for Removing Snow/Ice on a Constructional Element - In order to remove snow or ice from an exposed constructional element ( | 09-09-2010 |
| 20110056926 | MICROFLUIDIC DEVICES WITH INTEGRATED RESISTIVE HEATER ELECTRODES INCLUDING SYSTEMS AND METHODS FOR CONTROLLING AND MEASURING THE TEMPERATURES OF SUCH HEATER ELECTRODES - The invention relates to methods and devices for control of an integrated thin-film device with a plurality of microfluidic channels. In one embodiment, a microfluidic device is provided that includes a microfluidic chip having a plurality of microfluidic channels and a plurality of multiplexed heater electrodes, wherein the heater electrodes are part of a multiplex circuit including a common lead connecting the heater electrodes to a power supply, each of the heater electrodes being associated with one of the microfluidic channels. The microfluidic device also includes a control system configured to regulate power applied to each heater electrode by varying a duty cycle, the control system being further configured to determine the temperature of each heater electrode by determining the resistance of each heater electrode. | 03-10-2011 |
| 20110120985 | Heater power control circuit and burn-in apparatus using the same - Provided is a heater power control circuit which switches on/off a voltage signal supplied from a direct-current power source to control a power of a heater by controlling a voltage applied to the heater. The heater power control circuit includes a voltage smoothing circuit that is disposed between the heater and a switching circuit which switches on/off a voltage supplied from the direct-current power source. The voltage smoothing circuit converts the voltage into an analog voltage signal by smoothing a voltage signal obtained by switching on/off the voltage. | 05-26-2011 |
| 20110220635 | TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHOD - A temperature control system has a plurality of heaters arranged on a control target in a plurality of rows and columns, heaters of the same row being connected to a common wiring and heaters of the same column being connected to a common wiring, wirings of the rows being connected to a side of one pole of a power source via respective elements that respond to a heater firing instruction, and wirings of the columns being connected to a side of the other pole of the power source via respective elements that respond to a heater firing instruction, and a controller that controls driving of the plurality of heaters based on an operation amount that is input for controlling a temperature of the control target. | 09-15-2011 |
| 20120024838 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit is provided, comprising a switch unit | 02-02-2012 |
| 20120103972 | HIGH-FREQUENCY HEATING DEVICE AND HIGH-FREQUENCY HEATING METHOD - A radio-frequency heating apparatus includes a radio-frequency power generation unit ( | 05-03-2012 |
| 20120199575 | SELF-CONFIGURING FLEXIBLE HEATER - In general, this disclosure describes example techniques for a flexible heater system to automatically configure itself to operate over different input supply voltages. The flexible heater system may include a flexible heater that includes a first heater element and a second heater element. The flexible heater system may also include a switch circuit that may automatically couple the first heater element and the second heater element in a first configuration when an input supply voltage is at a first voltage level. The switch circuit may also automatically couple the first heater element and the second heater element in a second configuration when the input supply voltage is at a second voltage level. | 08-09-2012 |
| 20130180978 | OVEN CONTROL UTILIZING DATA-DRIVEN LOGIC - A method of controlling a cooking appliance is disclosed which includes receiving an input corresponding to a staged cooking function, retrieving a preselected parameter set from a data library, the preselected parameter set defining the staged cooking function and including a first heating element behavior parameter and a first temperature parameter, selecting a first heating element behavior from a control library based upon the first heating element behavior parameter, and operating one or more heating elements according to the first heating element behavior and the first temperature parameter. An oven and a tangible, machine-readable medium are also disclosed. | 07-18-2013 |
| 20130292372 | Device And Method For Controlling An Electric Radiator Of An Automotive Ventilating, Heating And/Or Air-Conditioning System - The invention relates to a device for controlling a complementary electric radiator (R) installed in a ventilation system used in the automotive sector, said device including at least two electronic modules each including a computer, a control module ( | 11-07-2013 |
| 20150014299 | PROXIMITY SENSOR AND OPERATOR CONTROL PANEL FORMED THEREWITH - A proximity sensor, in particular for use with a control panel, preferably a stove top, wherein the proximity sensor has at least one antenna, one frequency generator, and one power detector, wherein the at least one antenna is coupled to the frequency generator in order to supply it with power, wherein the power detector is supplied for determining a power level at the at least one antenna, which varies in relation to the radiated power, and wherein the power detector is further provided for emitting a signal relating to the determined power level. | 01-15-2015 |
| 20160119976 | Electric Heater and Method for Operating an Electric Heater - An electric heater ( | 04-28-2016 |
| 20180027611 | HEATING UNIT | 01-25-2018 |
