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| Number | Title | Issue Date |
| 8115145 | Systems and methods for base station enclosures A technique for climate control of, for example, base station circuitry within an enclosure involves placing base station circuitry within the enclosure and controlling the climate therein. A system according to this technique includes an enclosure suitable for use ... | 02/14/2012 |
| 8067718 | Method and apparatus for probing A probe comprises a small “consumable” probe substrate permanently mounted to a circuit-under-test. The probe substrate includes a high-fidelity signal pathway, which is inserted into a conductor of the circuit-under-test, and a high-bandwidth sensing circuit wh... | 11/29/2011 |
| 7429719 | Self-regulating heater with a semiconductor heating element and method of heating A self-regulating heater including a semiconductor for converting electrical energy to heat. A temperature sensitive element is used to bias the semiconductor as a function of temperature. The heating element has an advantage that its maximum temperature is limited ... | 09/30/2008 |
| 7423243 | Heating system and method A fluid heating system includes a fluid receptacle having a fluid reservoir, and a heating control system configured to heat fluid retained within the fluid reservoir. The heating control system includes a processing unit, at least one fluid temperature sensor posit... | 09/09/2008 |
| 7423240 | Pulse width modulated defroster A window defroster system that includes a heater grid and a controller. The controller includes a pulse width modulator configured to provide a driving signal to the heater grid. The driving signal has an initial heating portion and a pulsed portion. The initial hea... | 09/09/2008 |
| 7420142 | Power control module for electrical appliances A power module to regulate delivery of power to one or more loads is disclosed. The module includes a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power supply coupled to the power modu... | 09/02/2008 |
| 7417209 | Recording disk drive with reduced noise thermal flyheight control A system and method for preventing crosstalk noise from being superimposed on a read signal due to noise from a heater line for a slider in a recording disk drive is disclosed. A heater line pair to the slider is not grounded but is in a floating state with respect ... | 08/26/2008 |
| 7408134 | Programmable switch A sensor circuit provides a signal to a microcontroller to indicate parameters of an environmental condition to which the sensor circuit is exposed, such as temperature. The sensor circuit and microcontroller are mounted in a common housing, with an output lead indi... | 08/05/2008 |
| 7358463 | Switching power supply and method for stopping supply of electricity when electricity of switching power supply exceeds rated electricity A switching power supply includes a sensor for detecting that the output level of the switching power supply has exceeded a rated output level, and a memory that stores data for estimating temperature change of a heat-producing component during a period in which the... | 04/15/2008 |
| 7351934 | Low voltage warming blanket A low voltage warming blanket adapted for use in vehicles powered by the vehicles DC power source is provided with a control selectively actuatable to activate the blanket for one of a plurality of preset time periods at at least one pre-set temperature, the control... | 04/01/2008 |
| 7351937 | Control circuits for hot melt adhesive heater circuits and applicator heads An electronic control circuit, for use in connection a hot melt adhesive dispensing system having a relatively large applicator head, has a plurality of heater circuits and a plurality of temperature sensors disposed upon different regions of the relatively large ap... | 04/01/2008 |
| 7329840 | Heater lamp control apparatus and method to detect an inputted AC voltage and providing a pulse signal to correspond thereto A heater lamp control apparatus and method of detecting an input AC voltage and providing a pulse signal corresponding thereto, includes an AC voltage phase detection unit to detect a phase of the inputted AC voltage when a magnitude of the inputted AC voltage is ov... | 02/12/2008 |
| 7315469 | Control of set/reset pulse in response to peripheral temperature in PRAM device A drive circuit for a PRAM (phase-change random access memory) device includes a write driver that generates a set/reset current in response to a set/reset pulse. In addition, a temperature compensator controls a pulse width of the set/reset pulse in response to a p... | 01/01/2008 |
| 7310948 | De-icer for suspended overhead lines A self-contained, line-mounted, automatic device for reducing and preventing ice deposits on a suspended line, such as a suspended overhead power line. ... | 12/25/2007 |
| 7304272 | Systems and methods for adjusting parameters of a temperature sensor for settling time reduction A system for adjusting parameters of a temperature sensor for settling time reduction is disclosed. The system includes an input for receiving a signal for triggering an adjustment of one or more parameters associated with one or more portions of the temperature sen... | 12/04/2007 |
| 7304274 | Control of a cooktop heating element A user control generates a heat level input signal responsive to a user of a cooktop heating element. Logic generates an output signal having a duty cycle corresponding to the input signal. An electromechanical device connected to apply power from a source to the he... | 12/04/2007 |
| 7301129 | Control circuit for semiconductor device having overheating protection function A control circuit includes a drive circuit which applies a drive voltage to a semiconductor device having an overheating protection function according to an externally supplied signal; and a current detecting circuit which outputs a detection signal when a drive cur... | 11/27/2007 |
| 7289861 | Process control system with an embedded safety system A process plant includes a process control system having a safety system embedded therein. The integrated process control and safety system includes a host computer arranged to send and receive process level messages and safety level messages, a controller operative... | 10/30/2007 |
| 7282676 | Integrating preconcentrator heat controller A method and apparatus for controlling the electric resistance heating of a metallic chemical preconcentrator screen, for example, used in portable trace explosives detectors. The length of the heating time-period is automatically adjusted to compensate for any chan... | 10/16/2007 |
| 7282938 | Testing apparatus and method for providing temperature stress to electronic component An improved apparatus and method for testing experiment is disclosed. The apparatus includes a motherboard and a stress module. The motherboard includes a component under test. A stress module connects the component and contacts the component directly. The stress mo... | 10/16/2007 |
| 7279947 | PWM buffer circuit for adjusting a frequency and a duty cycle of a PWM signal A PWM buffer circuit includes a duty cycle converting circuit and a frequency-fixed PWM signal generating circuit. The duty cycle converting circuit is used for receiving a first PWM signal and then generating a duty cycle reference voltage on the basis of the first... | 10/09/2007 |
| 7274178 | Multi-lamp driver with active current regulator An active current regulator circuit. In one embodiment, the active current regulator circuit includes a first input node for receiving a first reference electrical signal, a second input node for receiving a second reference electrical signal, a ground node, and an ... | 09/25/2007 |
| 7261242 | Sound insulation for electric relay An electric unit, such as a room thermostat has a circuit board and an electromechanical switch mounted to the circuit board. The circuit board and the electromechanical switch are housed in a casing. The casing is filled with a sound insulation material with the el... | 08/28/2007 |
| 7258016 | Pressure sensor with electronic datasheet A pressure sensing system and method includes a pressure sensor configured to include a pressure sensing diaphragm and a pressure port. A memory circuit incorporated can be incorporated into the pressure port. A high order polynomial component can also be provided. ... | 08/21/2007 |
| 7256371 | Temperature control method for positive temperature coefficient type heating element A controller adapted to control the temperature of a heating elements with a wide range of positive temperature coefficient of resistance, including very low values, using a sensor in line with the heating element. The controller is able to take account of non-const... | 08/14/2007 |
| 7257321 | Device for heating liquids The invention relates to a device for heating liquids, comprising: a liquid container, at least one electrical heating element connected to the liquid container for heating liquid received in the liquid container, at least one boiling sensor connected to, the inner ... | 08/14/2007 |
| 7248013 | Motor drive circuit A motor drive circuit is provided and includes: a PWM wave generation circuit for generating a PWM (pulse-width-modulated) wave having a high frequency, whose pulse width has been modulated, in response to a rotational frequency control signal used for driving a mot... | 07/24/2007 |
| 7245475 | Wide input voltage range relay drive circuit for universal defrost timer A wide input voltage range relay drive circuit allowing a more than 2:1 input voltage variation is provided. The circuit utilizes a scaled and rectified bulk voltage to drive the relay coil. As the monitored bulk voltage increases beyond the relay coil rated voltage... | 07/17/2007 |
| 7241974 | System and method of deactivating a fluid receptacle deicer A deicing system configured to heat fluid within a fluid receptacle to prevent ice from forming includes a sensing unit and a heating element. The sensing unit is configured to detect a change in at least one of capacitance and resistivity. The heating element is co... | 07/10/2007 |
| 7241979 | Temperature controller and temperature control method, and heating wire therefor The present invention relates to a non-electromagnetic wave temperature controller for a heating cable and a method therefor, which can perform heating and temperature detection in a non-electromagnetic fashion without short-circuiting one end of the heating cable t... | 07/10/2007 |
| 7235900 | Switching apparatus and method for varying a phase line impedance of an electric power transport line section The switching apparatus and method are provided for varying the impedance of a phase line of a segment of an electrical power line. The phase line includes n conductors electrically insulated from each other and short-circuited among each other at two ends of the se... | 06/26/2007 |
| 7233112 | PWM switching power supply control methods The solid state switching section of a high frequency PWM switching power supply may encounter problems in accurately regulating output power when the requested output power is above a threshold level, the threshold level typically being a high level approaching one... | 06/19/2007 |
| 7223946 | Method and device for control and diagnosis for the heating of a lambda probe A method for controlling and regulating an electrical heating of a probe situated in the exhaust system of an internal combustion engine, a total heating power of the probe being set, and an actual temperature value of the probe being determined by measuring a chara... | 05/29/2007 |
| 7219880 | Safety protection device and control circuit for instantaneous atomization device An atomization device having a safety protection device and a control circuit includes: a main body, a water tank in which an inspection device component is provided, and an atomization room designed in the main body, under the atomization room an atomization groove... | 05/22/2007 |
| 7216960 | Method of driving a printhead using a constant current and operating MOS transistor in saturation region This invention relates to a printhead substrate capable of suppressing an increase in wiring width and an increase in the size of a substrate formed by a film forming process while increasing the number of simultaneously driven printing elements in order to improve ... | 05/15/2007 |
| 7211771 | De-icing system for traffic signals A circuit is disclosed for detecting and eliminating the buildup of snow and/or ice on the viewable face of an LED traffic signal lens. The circuit measures the ambient temperature within the LED signal, and when the temperature falls to a level where snow and/or ic... | 05/01/2007 |
| 7202712 | Multiphase resonant pulse generators A multiphase resonant pulse generator (74) has N groups of N−1 switches (44,46,48) which, when activated, form N paths from a power supply (Vdc) to ground or a reference voltage. Here N is a positive integer greater than 2. Each of the paths includes... | 04/10/2007 |
| 7202449 | Brewing machine power management system and method A power management system for managing the power supplied to a plurality of warming elements in a brewing machine, so as to conform to pre-set power safety requirements. ... | 04/10/2007 |
| 7199335 | Heat fusing apparatus, method of controlling same and image forming apparatus Disclosed is a heat fusing apparatus for thermally fusing toner that has been transferred to a printing medium from a toner image formed on an image bearing member using an electrophotographic process. Temperature is detected at the surface of a heating element or i... | 04/03/2007 |
| 7194910 | Digital output MEMS pressure sensor and method A method and pressure-sensor system provide a digital-frequency output linearly proportional to a sensed pressure. The system comprises a MEMS pressure-sensing element to provide a pressure-sensing output and voltage-to-frequency converter provide the digital-freque... | 03/27/2007 |
