Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8179152 | Passive capacitively-coupled electrostatic (CCE) probe arrangement for detecting plasma instabilities in a plasma processing chamber An arrangement for detecting plasma instability within a processing chamber of a plasma processing system during substrate processing is provided. The arrangement includes a probe arrangement, wherein the probe arrangement is disposed on a surface of the processing ... | 05/15/2012 |
| 8179151 | Method and system that determines the value of a resistor in linear and non-linear resistor sets The present invention employs identically sized mirror transistors arrange in groups that may be preferentially addressed and activated to determine the value of a resistor. Known current are directed through the resistor, and the voltage developed is measured by co... | 05/15/2012 |
| 8174275 | Storage battery inspecting system A storage battery inspecting system includes a power supply unit and an inspecting unit. The inspecting unit includes two inspecting terminals to be connected to a battery soldering spot so as to detect response of the soldering spot to application of a test power s... | 05/08/2012 |
| 8169226 | Method for measuring a current, in particular by means of a grounding apparatus The subject matter of the invention is a method of measuring a grounding current of a photovoltaic power system incorporating a photovoltaic inverter, a measurement current being led through two shunts (Rs1, Rs2) disposed at different points, the measu... | 05/01/2012 |
| 8159238 | Method and apparatus for in-situ health monitoring of solar cells in space Some embodiments of the present invention describe an apparatus that includes an oscillator, a ramp generator, and an inverter. The apparatus includes an oscillator, an inverter, and a ramp generator. The oscillator is configured to generate a waveform comprising a ... | 04/17/2012 |
| 8159239 | Testing apparatus for testing electronic system with 5-wire resistive touch panel and the method therefor The invention relates to a testing apparatus for testing a 5-wire resistive touch panel of an electronic system. The testing apparatus comprises a voltage control unit, a signal control unit, an electronic unit and a determining unit. The electronic unit is used for... | 04/17/2012 |
| 8154312 | Sensor system A sensor system having a sensor unit for detecting a measured variable, and an evaluation unit, which are interconnected via at least one or a plurality of connection line(s), the sensor unit having a sensor, which is connected to a supply voltage, and includes a si... | 04/10/2012 |
| 8154311 | Method and device for characterizing the linear properties of an electrical component A method and device for determining the linear response of an electrical multi-port component has an “estimation procedure” in which an estimated admittance matrix is determined by applying voltages to the ports of the component and measuring the response of the... | 04/10/2012 |
| 8138774 | Method of determining the diameter of a hole in a workpiece A method of determining the diameter of a hole extending from a surface of an electrically conducting workpiece into or through the workpiece 1 is provided. The hole is defied at the workpiece's surface by an edge of diameter to be determined. For determining... | 03/20/2012 |
| 8115503 | Device for measuring metal/semiconductor contact resistivity A device for measuring the resistivity ρc of an interface between a semiconductor and a metal, including at least: one dielectric layer, at least one semiconductor-based element of a substantially rectangular shape, which is arranged on the dielectric l... | 02/14/2012 |
| 8106670 | Two pole circuit breaker voltage monitoring integration An apparatus for monitoring line voltage in a circuit breakor includes a controller configured to calculate a voltage difference between the neutral voltage and the AC line voltage of positive polarity based on a first signal and a second signal and assign, using a ... | 01/31/2012 |
| 8102183 | Measuring electrical impedance at various frequencies A logarithmic level detector (9) produces analog signals that represent logarithms of the voltage across, and current through, a target device (7). These signals are then passed to a processor (1) that performs a digital conversion. Because the ... | 01/24/2012 |
| 8089291 | Electromagnetic wave generation source searching method and current probe used therefor A junction-current probe is provided which can measure a current flowing in a junction port adapted to connect a circuit board or an electronic apparatus to a chassis under the condition that the circuit board or electronic apparatus is packaged to the chassis. Stru... | 01/03/2012 |
| 8049523 | Current sensing on a MOSFET A device having a switch with a voltage applied across the switch. A current sensing circuit is connected to one terminal of the switch. The current sensing circuit receives power independently of the voltage applied across the switch. The power supply shares the ot... | 11/01/2011 |
| 8040144 | Interface circuit An interface circuit includes a reference voltage generation circuit to generate a reference voltage, a differential voltage signal generation circuit to convert send data input in sending data into a pair of differential voltage signals and output the pair of diffe... | 10/18/2011 |
| 8004293 | Plasma processing chamber with ground member integrity indicator and method for using the same A method and apparatus for monitoring the integrity of a ground member coupling a substrate support to a chamber body in a plasma processing system is provided. In one embodiment, a processing chamber is provided that includes a ground path member coupled between a ... | 08/23/2011 |
| 8004294 | Method of manufacturing actuators, a method of measuring a thickness of an active layer of an actuator, a method of manufacturing a recording head, and a recording device A method of manufacturing actuators for an inkjet head includes the step of measuring an absolute value of a coercive voltage of an active layer. The method further includes the step of sorting the actuators based at least on the coercive voltage. Each of the actuat... | 08/23/2011 |
| 7990162 | Systems and methods for an open circuit current limiter A resistance measuring circuit includes a current generating component, a current control component, and a voltage measurement component. The magnitude of a target resistance can be measured by connecting the target resistance between first and second measurement te... | 08/02/2011 |
| 7973543 | Measurement apparatus, test apparatus and measurement method Provided is a measurement apparatus that measures a current flowing through a load, including a power supply section that outputs a current supplied to the load; a current measuring section that measures a load current flowing between the load and the power supply s... | 07/05/2011 |
| 7965090 | Method for identifying connected device and electronic device using the same A method for identifying connected devices and an electronic device using the method are disclosed. When the connected device is connected to the electronic device, a type of the connected device is identified based on the voltage change according to a change of cur... | 06/21/2011 |
| 7944221 | System and method for automatically discovering total transistor resistance in a hybrid power over ethernet architecture A system and method for automatically discovering total transistor resistance in a hybrid power over Ethernet (PoE) architecture. A critical factor for a PoE system is the total resistance of the power FET. Typical PoE systems consist of a single power FET that may ... | 05/17/2011 |
| 7940063 | Coordinate detecting device and method A coordinate detecting device includes a resistive film disposed on a quadrangular substrate; a power source for applying a voltage to the resistive film; four electrodes connected to the power source and disposed in four corners of the resistive film; four switches... | 05/10/2011 |
| 7928742 | Digital measurement transmitter with current signal A measurement transmitter, including: A microprocessor having a reset input and a clock output for providing a periodic clock signal; a monitoring circuit having a clock signal input and a reset output; and a current controller for issuing in a band range, during op... | 04/19/2011 |
| 7906977 | Dual output stage source measure circuit A circuit for alternatively controlling a current through a device and permitting measurement of a voltage across the device or controlling a voltage across the device and permitting measurement of a current through the device includes a sense impedance in series co... | 03/15/2011 |
| 7902844 | Voltage drop measurement circuit A voltage drop measurement circuit includes a voltage drop circuit to generate an output voltage and fluctuate the output voltage according to a fluctuation in a power supply voltage, where the output voltage being the power supply voltage dropped by a predetermined... | 03/08/2011 |
| 7898269 | Semiconductor device and method for measuring analog channel resistance thereof A semiconductor device and a method for measuring an analog channel resistance thereof are provided. The semiconductor device includes a substrate, a gate insulating layer and a gate formed on the substrate, a source and a drain formed in the substrate and at both s... | 03/01/2011 |
| 7898268 | Circuit and method for capacitor effective series resistance measurement A circuit and method for capacitor effective series resistance measurement. One embodiment provides a method for measuring the effective series resistance of a capacitor having a capacitor voltage. The method includes amplifying the capacitor voltage with an AC coup... | 03/01/2011 |
| 7839154 | Powered device power classification with increased current limit A system and method of classifying a high powered device (PD) with an increased current limit includes: connecting a voltage to the PD, measuring current through a classification resistor connected to the PD, and determining a PD classification signature based on th... | 11/23/2010 |
| 7825672 | High accuracy in-situ resistance measurements methods Methods to determine an instantaneous resistance value of an electric circuit and a measurement system to determine an instantaneous resistance value of an electric circuit are disclosed. Exemplary embodiments of the method measure an in-situ instantaneous voltage o... | 11/02/2010 |
| 7804310 | Current detection circuit and current detection method A multi-source MOS transistor includes a sense MOS transistor and a load MOS transistor, and is connected to a load. A current detection portion has a negative input offset voltage characteristic, and detects a first sense current in a state where it is connected to... | 09/28/2010 |
| 7800380 | High capacitance load testing A circuit for controlling a voltage across a device and permitting measurement of a current through the device includes a sense impedance in series combination with, the device, a sensed voltage measured across the sense impedance being representative of the current... | 09/21/2010 |
| 7777506 | High-voltage generator for an x-ray apparatus comprising a high-voltage measurement device A high-voltage generator of an X-ray apparatus comprises a high-voltage measurement device. The measurement device comprises a compact component comprising both the measurement resistor and a film capacitor used both to protect said resistor and eliminate the parasi... | 08/17/2010 |
| 7772857 | System and method to determine the impedance of a disconnected electrical facility A signal injection unit injects a test signal at a main frequency between a reference point of an electric circuit and ground, where the electric circuit is connected with the facility and injects another test signal at a second main frequency between a reference po... | 08/10/2010 |
| 7772856 | Electromagnetic wave generation source searching method and current probe used therefor A junction-current probe is provided which can measure a current flowing in a junction port adapted to connect a circuit board or an electronic apparatus to a chassis under the condition that the circuit board or electronic apparatus is packaged to the chassis. Stru... | 08/10/2010 |
| 7768274 | Voltage tolerance measuring apparatus for motherboard A voltage tolerance measuring apparatus configured to measure voltage tolerance of a motherboard includes a first connector configured to connect with a power connector of a computer power supply, a second connector configured to connect with a power connector of th... | 08/03/2010 |
| 7755370 | Method for examining bonding resistance An exemplary method for examining bonding resistance includes providing a first electronic component having a first and second reference pins. A second electronic component having a third and fourth reference pins is also provided. A first input voltage is applied t... | 07/13/2010 |
| 7755371 | Impedance measurement of a power line A system for obtaining an accurate, real-time determination of the characteristic impedance of a length of a power line that measures the operating conditions (e.g., voltage and current) for at least two locations on the power line. These measurements are synchroniz... | 07/13/2010 |
| 7746086 | Non-contact type apparatus for testing open and short circuits of a plurality of pattern electrodes formed on a panel Disclosed herein are a noncontact single side probe and an apparatus and method for testing open and short circuits of pattern electrodes. By feeding power to one end of each of the pattern electrodes and sensing an electrical variation value using a noncontact type... | 06/29/2010 |
| 7741859 | Detection of sealing by means of noise analysis The invention relates to a method for determining the sealing of a substance on a support by determining the electrical noise. ... | 06/22/2010 |
| 7733098 | Saturation detection circuits This invention generally relates to saturation detection circuits, in embodiments for substantially lossless detection of saturation of power switches in power integrated circuits. We describe a saturation detection circuit for detecting saturation of a power semico... | 06/08/2010 |
