| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 324105000 | Thermal (e.g., compensation) | 34 |
| 20080246462 | Device for Measuring Electrical Current, Voltage and Temperature on an Electrical Conductor Made of Rigid Material - A device for measuring electrical current, voltage and temperature in a conductor made of rigid material is disclosed. The conductor is formed from two conductor sections, between which an electrical resistor element is provided that is made of a material having greater resistance than the material of the conductor sections. In the region of the resistor element, a flattened area with a depression is provided, over which a measuring arrangement, through which a portion of the current flowing through the conductor flows, is placed in the manner of a bridge. In the measuring arrangement is arranged in the vicinity of a contact piece by means of which the conductor can be connected in an electrically conducting manner to another conductor such that the heat generated at the contact point is measured. | 10-09-2008 |
| 20080265870 | Particulate Matter Sensor - A sensor apparatus to burn off contaminating particulate matter from a sensor. The sensor apparatus includes a signal electrode assembly, a detector electrode assembly, and an electrical heater. The signal electrode assembly includes a signal electrode coupled to a signal electrode insulating substrate. The detector electrode assembly includes a detector electrode coupled to a detector electrode insulating substrate. The detector electrode is positioned relative to the sensor electrode to generate a measurement of an ambient condition. The electrical heater is positioned relative to the signal and detector electrode assemblies to burn off an accumulation of contaminating particles from at least one electrode assembly of the signal and detector electrode assemblies. | 10-30-2008 |
| 20090015239 | Transmission Line Sensor - A system and method in which an overhead high voltage transmission line sensor system is able to measure one or more of temperature, current, and line sag for a conductor within a high voltage transmission line system. The sensor system may be able to clamp to a transmission conductor or splice, harvest power from the transmission line, and/or transmit data corresponding to measurements of current, temperature, and line sag. | 01-15-2009 |
| 20090261811 | AIRCRAFT ICING SENSOR - An apparatus for detecting the presence of ice includes a sensory circuit including a sensor operable to be coupled to a surface exposed to moisture. The sensory circuit is operable to create an electromagnetic standing wave. A heating element is coupled to the surface and a first transmission line. A first source is coupled to the first transmission line and is operable to inject a driving signal into the first transmission line, the driving signal being operable to drive the heating element. A mixing element is coupled to the sensory circuit and first transmission line and is operable to produce a mixed signal from the driving signal and a measure of the standing wave. A comparator is operable to compare at least one characteristic of the mixed signal with reference data for determining the presence of ice contacting the sensor. | 10-22-2009 |
| 20090302830 | INTEGRATED POWER DETECTOR WITH TEMPERATURE COMPENSATION FOR FULLY-CLOSED LOOP CONTROL - An amplifier circuit comprises a detection power input circuit for receiving an RF signal, and a bias circuit that includes an output for generating a bias signal in response to a reference control voltage. The power detector further comprises a detection circuit for generating a power control voltage having a voltage characteristic that offsets temperature characteristics of the received RF signal. The amplifier circuit further comprises a power amplifier coupled to the bias circuit. The power amplifier includes a driver stage providing the RF signal. The detection circuit compensates temperature variation of the inputted detection voltage of the received RF signal. | 12-10-2009 |
| 20100295539 | ELECTRONIC CIRCUIT DEVICE FOR SENSING A DETECTION ELEMENT CURRENT AND/OR A TEMPERATURE IN SAID DETECTION ELEMENT - An electronic switching device and method for the detection of a detection element stream through a detection element and/or a temperature in said detection element. A first connection of the detection element is connected to a first transistor element and a second connection of the detection element is connected to a second transistor element. The base connections of the first and second transistor element are directly or indirectly connected to one another and the second transistor element (Q | 11-25-2010 |
| 20100301834 | Low-Cost Power Measurement Circuit - In embodiments of the present invention, a method and system is provided for designing improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more of rotatable LED light bars, integrated sensors, onboard intelligence to receive signals from the LED light bars and control the LED light bars, and a mesh network connectivity to other fixtures. | 12-02-2010 |
| 20100327849 | SENSOR APPARATUS SYSTEMS, DEVICES AND METHODS - A sensor apparatus and sensor apparatus system for use in conjunction with a cassette, including a disposable or replaceable cassette. In some embodiments, the cassette includes a thermal well for permitting the sensing of various properties of a subject media. The thermal well includes a hollow housing of a thermally conductive material. In other embodiments, the cassette includes sensor leads for sensing of various properties of a subject media. The thermal well has an inner surface shaped so as to form a mating relationship with a sensing probe. The mating thermally couples the inner surface with a sensing probe. In some embodiments, the thermal well is located on a disposable portion and the sensing probe on a reusable portion. | 12-30-2010 |
| 20110037456 | Measuring Transducer for Process Instrumentation, and Method for Monitoring the Condition of the Sensor Thereof - A measuring transducer for process instrumentation that comprises a sensor for sensing a physical or chemical variable, wherein the sensor includes at least one electrical element embedded in a substrate comprising semiconducting material and is electrically separated therefrom by a blocked PN junction during normal operation. In order to monitor the condition of the sensor, the PN junction is connected in the conducting direction in a test mode, and the electrical property of the PN junction, i.e., the forward voltage, is determined and used to monitor the sensor condition. Additionally, a temperature sensor mounted on the sensor can be monitored by determining, based on the dependence of the forward voltage on the temperature, a comparative value for the temperature sensed by the temperature sensor. If major differences occur, a conclusion can be reached that there is a failure of the sensor, and a corresponding error message can be output over a field bus. | 02-17-2011 |
| 20110140686 | THERMAL EXTENSION STRUCTURES FOR MONITORING BUS BAR TERMINATIONS - An electrical system comprising an equipment enclosure configured to hold one or more DC power bus bars therein. The system also comprises one or more thermal extension structures. Each thermal extension structure is connected to one or more of the bus bars. Each thermal extension structure has a projection element whose thermal state reflects an electrical connectivity of the one or more DC power bus bars that the thermal extension structure is connected to. The projection element is viewable from a location outside of the equipment enclosure. | 06-16-2011 |
| 20120091993 | Electronic apparatus, power feeding method, and power feeding system - Disclosed herein is an electronic apparatus, including an electric power receiving portion receiving an electric power from a power feeding apparatus by using a magnetic field, and a detecting portion detecting presence or absence of a foreign object between said power feeding apparatus and said detecting portion. | 04-19-2012 |
| 20120126786 | Thermoelectric Power Measurement Cell and Corresponding Measurement Method - A power measurement cell comprises at least one thermoelement ( | 05-24-2012 |
| 20120313620 | LOCAL TRANSFORMER LEVEL GRID MANAGEMENT SYSTEMS AND METHODS - At least one exemplary aspect comprises an apparatus for multi-channel metering of electricity, comprising: (a) a meter head that comprises one or more metering points, the meter head operable to connect and disconnect service on each one of a plurality of electricity consumer lines, and the meter head operable to measure electricity usage for each of the plurality of electricity consumer lines; and (b) a housing containing the meter head and a distribution transformer. In another aspect, an apparatus comprising a meter head is operable, in response to an interruption in flow of electricity being received from a distribution transformer, to actuate corresponding relays to disconnect service on one or more of the electricity consumer lines. In another aspect, an apparatus comprising a meter head is in communication with one or more sensors operable to sense environmental conditions in a distribution transformer housing. | 12-13-2012 |
| 20130057254 | CURRENT MEASUREMENT CIRCUIT FOR INDUCTOR - A current measurement circuit to measure current flowing through an inductor includes two metal oxide semiconductor field effect transistors, a resistor, a negative temperature coefficient thermistor, two capacitors, and a pulse width modulator. | 03-07-2013 |
| 20130093411 | CIRCUIT ARRANGEMENT - According to various embodiments, a circuit arrangement is provided which includes a bridge circuit having at least two field effect transistors and a measurement circuit configured to measure a forward voltage of a body diode of any one of the at least two field effect transistors resulting from a predefined current flowing through the field effect transistor. | 04-18-2013 |
| 20130285642 | THERMALLY STABILIZED POWER SENSOR - A power-measurement device includes a power detector and a tempering device. The power detector is integrated on a monolithic chip as an integrated circuit. It converts a high-frequency test signal into a signal which displays the power of the high-frequency test signal. The power-measurement device further includes a signal input. In this context, the tempering device is arranged outside the monolithic chip on a side of the monolithic chip facing away from the integrated circuit. The signal input is connected to the power detector by a first line on a synthetic substrate. The signal input guides the high-frequency test signal to the power detector by the first line. | 10-31-2013 |
| 20130307526 | SENSOR DEVICE AND METHOD OF MANUFACTURE AND USE - In some embodiments a method includes receiving, from a sensor device, a signal indicative of a voltage associated with a current passing over a line that is disposed through the sensor device. The method includes receiving, from the sensor device, a signal indicative of (1) a calibrated sensitivity of the sensor device, (2) a calibrated temperature of the sensor device, and (3) an ambient temperature that was received from an ambient temperature sensor. The method includes defining an actual sensitivity of the sensor device based on (1) the calibrated sensitivity of the sensor device, (2) the calibrated temperature of the sensor device, and (3) the ambient temperature. The method includes sending a signal indicative of a modified electric current value based on (1) the voltage and (2) the actual sensitivity of the sensor device. | 11-21-2013 |
| 20140028285 | METHOD AND APPARATUS FOR TEMPERATURE ADJUSTED CONTROL OF BATFET CURRENT SENSING - A method and apparatus for providing a temperature sensing loop used in connection with a current sensing component, such as a BATFET, in order to compensate for variations in the BATFET's resistance due to temperature variations. The temperature sensing loop detects a temperature of the BATFET and regulates the gate voltage of the BATFET based on the detected temperature in order to compensate for changes in the BATFET's resistance. The temperature sensing feedback loop maintains the BATFET at a constant resistance for current sensing through negative feedback control. The BATFET and temperature sensing loop can be provided as components of an on-chip fuel gauging application for a UE. | 01-30-2014 |
| 20140266154 | SYSTEMS AND METHODS FOR STORING ENERGY USAGE DATA BASED ON TEMPERATURE - A system includes a utility meter. The utility meter includes a sensor configured to detect a utility usage, a processor configured to determine an ambient temperature of the utility meter, and a memory configured to store a data collection system. The data collection system is configured to be utilized by the processor to store the utility usage at least partially according to the ambient temperature of the utility meter. | 09-18-2014 |
| 20140285180 | Circuit to Compensate for Inaccuracies in Current Transformers - An improved measurement circuit includes a current transformer and an active feedback circuit operated as a negative resistance that matches the value of the winding resistance of the current transformer. An amplifier in the feedback circuit provides power to drive a secondary current through a sense resistor and the transformer winding resistance, reducing the most significant error source in a current transformer circuit by presenting a negative impedance to the current transformer. Combined with the positive resistance of the transformer's winding, the negative impedance results in a net burden of zero on the current transformer, which eliminates the need for the transformer having to provide power to drive the secondary current. This facilitates the use of smaller transformers while achieving reduced measurement errors. Thus, a single, compact measurement device may be used in a wide range of applications with high measurement performance. | 09-25-2014 |
| 20140340074 | MONITORING ARRANGEMENT AND METHOD FOR MONITORING AN ELECTRICAL LINE - The invention relates to a monitoring arrangement for monitoring an electrical line having at least one thermogenerator and/or a device for inductively producing energy, determination means for determining at least one electrical characteristic parameter of an electrical current flowing in the electrical line and/or the temperature of the electrical line and/or the area surrounding the electrical line. An electrical connection exists or can be established between the determination means and the thermogenerator or the device for inductively producing energy, which connection can be used to operate the determination means with electrical energy produced by the thermogenerator or provided by the device for inductively producing energy; and connection means for establishing a mechanical connection to the electrical line. | 11-20-2014 |
| 20150061642 | CURRENT MEASUREMENT DEVICE AND CURRENT MEASUREMENT METHOD - A current measurement device measures current flowing in a composite material M containing conductive fibers. The current measurement device includes a temperature measuring unit that measures the temperature of a surface of the composite material, upon flow of current in the composite material; a storage unit that stores conversion data that is acquired as a result of a conversion data acquisition test performed beforehand and that results from converting the temperature of the surface of the composite material to the value of the current flowing in the composite material; and a current calculator that, on the basis of the conversion data stored in the storage unit, converts the temperature of the surface of the composite material M as measured by the temperature measuring unit to a value of the current flowing in the composite material. | 03-05-2015 |
| 20150069997 | MANUFACTURING METHOD FOR CURRENT SENSOR AND CURRENT SENSOR - A manufacturing method is used for a current sensor including a current measurement circuit configured to include magnetoelectric conversion elements, a first amplification-and-correction circuit configured to amplify an output of the current measurement circuit and correct, based on a set first correction amount, a temperature characteristic of an offset, a second amplification-and-correction circuit configured to amplify an output of the first amplification-and-correction circuit, adjust a sensitivity, and correct, based on a set second correction amount, a magnitude of the offset, and a substrate in which the current measurement circuit, the first amplification-and-correction circuit, and the second amplification-and-correction circuit are provided, wherein after the first correction amount is set based on characteristics of the magnetoelectric conversion elements, the magnetoelectric conversion elements are mounted in the substrate and the second correction amount is set. | 03-12-2015 |
| 20150355244 | Shunt Resistance-Type Current Sensor - A shunt resistance-type current sensor ( | 12-10-2015 |
| 20160003872 | Low Profile Current Measurement Connector and Use - A current measurement connector may include a first part and a second part. Each part may include a mount and a joint. The first and second part may be joined via the respective joints through a current transformer interposed between the first and second parts. The respective mounts may be configured to receive a current from a current source and pass the received current through the current transformer via the first and second parts inducing a current in the current transformer. The induced current may be useable to measure the current from the current source. Methods for fabricating the current measurement connector may include die casting the first and second parts and press fitting the first and second parts at the respective joints through the current transformer. Methods for use may include withstanding a fault current pulse and dissipating heat associated with the pulse via the first and second parts. | 01-07-2016 |
| 20160077135 | SHUNT CURRENT MEASUREMENT WITH TEMPERATURE COMPENSATION - A method for the measurement of an electric current by an electrical conductor in a vehicle, the electrical conductor having two conductor sections, between which a shunt is connected, the method including determining an electrical measuring voltage delivered via the shunt; recording a first corrective voltage in the direction of the electric current up-circuit of a given point on the shunt; recording a second corrective voltage in the direction of the electric current down-circuit of the point on the shunt; and determining the electric current based upon the electrical measuring voltage recorded and a difference between the first corrective voltage and the second corrective voltage. | 03-17-2016 |
| 20160103161 | Circuit Breaker with Integrated Power Measurement - A circuit apparatus measures, records, transmits, and displays actual and estimated power consumption in a branch circuit of an electrical distribution system. The apparatus includes a display driver coupled to one or more current sensors which derives or estimates power consumption from measured current. The accuracy of power consumption is improved by additional measurement of actual supplied voltage. A plurality of current sensors determine differential current to provide ground fault interruption to a desired range of precision. A store enables display of surge and average current measurements and power measurements in addition to immediate results. | 04-14-2016 |
| 20160116511 | CURRENT SENSING DEVICE AND METHOD - A current sensing apparatus includes: a temperature sensor configured to sense a temperature of a power converter; a current sensing unit configured to sense an input current of the power converter; and a central processing unit (CPU) configured to control an operation of the power converter in response to the sensed temperature of the power converter and the sensed input current of the power converter. The CPU includes a compensation unit configured to store, upon receiving an indication of the sensed temperature of the power converter from the temperature sensor, an operation voltage of at least one diode included in the current sensing unit in a map, and to compensate for an error of a sensing current based on the stored operation voltage when the current sensing unit senses the input current. | 04-28-2016 |
| 20160139187 | CURRENT SENSE CIRCUIT THAT OPERATES OVER A WIDE RANGE OF CURRENTS - The magnitude of an output current that flows into a load is determined by placing a sense bipolar transistor and a sense resistor in series with the load, utilizing the non-linear current characteristics of the base-emitter junction of the sense bipolar transistor to compress and sense an emitter current logarithmically, and then performing an inverse log function to determine the emitter current, which is substantially identical to the output current that flows into the load. | 05-19-2016 |
| 20160146860 | CURRENT DETECTOR AND CURRENT DETECTION METHOD - A current detector includes a plurality of current paths arranged in parallel, magnetic detection portions that are provided corresponding to the plurality of current paths and have magnetic detection elements for detecting strength of a magnetic field generated by an electric current flowing through each of the current paths, a temperature sensor for detecting a temperature of the magnetic detection portions, correction circuits for correcting an output of the magnetic detection elements based on a result of detection by the temperature sensor, and detection circuits for detecting a magnitude of the electric current flowing through each of the current paths based on the output corrected by the correction circuits. The magnetic detection portions and the temperature sensor are housed, together with a portion of the plurality of current paths, in a molded package. A number of the temperature sensor is less than that of the magnetic detection portions. | 05-26-2016 |
| 20160154035 | ELECTRONIC COMPONENT, IN PARTICULAR CURRENT SENSOR | 06-02-2016 |
| 20180027692 | CURRENT SENSOR WITH COOLING | 01-25-2018 |
| 324106000 | Actuation | 2 |
| 20090273337 | ELECTRIC FIELD SENSOR WITH ELECTRODE INTERLEAVING VIBRATION - An electric field sensor comprising: a substrate having a hole; a shielding electrode and a sensing electrode, disposed in the hole of the substrate; a piezoelectric bar having one end connected to the center of the shielding electrode, the other end fixed on the substrate. Present invention provides several electric field sensors, which have the same feature of utilizing electrodes interleaving vibration to modulate external electric field. They have IC-compatible operation voltage and small volume. | 11-05-2009 |
| 20130141078 | POWER MEASUREMENT SYSTEM AND POWER TEMPERATURE CONVERTER - A power measurement system includes: a power temperature converter attached to a power supply line of an electric instrument and having a temperature changed corresponding to a current flowing through the power supply line; a temperature measurement apparatus configured to measure the temperature of the power temperature converter; and an analyzer configured to analyze power consumed by the electric instrument by using a measurement result of the temperature of the power temperature converter obtained by the temperature measurement apparatus. | 06-06-2013 |
