Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7586314 | Multi-pin CV measurement A method for measuring electrical parameters of a DUT having at least three terminals includes applying a first AC voltage to a first terminal; separately driving a second and a third terminal each to a virtual second AC voltage, each virtual voltage requiring a res... | 09/08/2009 |
| 7385402 | Light source current sensing circuit and driving circuit in a display device A current sensing circuit for sensing a current flowing through a LED bank and a driver circuit for driving the LED bank are provided. The current sensing circuit includes: a matched transistor group, having a first current path coupled to the load device for sensin... | 06/10/2008 |
| 7352191 | Sensor assembly and method of forming the same A sensor assembly includes a sensing element electrically connected to a conductor of a flexible multiconductor cable using a conductive patch, which is electrically connected to the conductor. A method of forming a sensor assembly includes electrically connecting a... | 04/01/2008 |
| 7321521 | Assessing energy requirements for a refreshed device Method and apparatus for assessing a time interval during which a refresh device can be maintained in a self-refresh mode by an associated energy source. The refresh device is initially operated in a self-refresh mode to maintain the device in a selected state. The ... | 01/22/2008 |
| 7276918 | Sensor and apparatus for measuring the flow electric potential The present invention provides a sensor and apparatus for measuring flow electric potential for evaluation of a degree of electrodeposition of paint applied to the body or chassis of a vehicle. The sensor includes a base plate part, a dielectric polymer member, a po... | 10/02/2007 |
| 7259687 | System and method for distributing module phase information A multi-module DC-DC converter provides synchronization between modules based on identification of a module within a chain. A resistor network can be used for the chain so that each module obtains a particular voltage based on its position within the chain. A master... | 08/21/2007 |
| 7248059 | Low power sensor Embodiments of the present disclosure relate to methods, sensors, and systems for low power sensing. One method for low power sensing includes receiving a detection signal from a detector of a sensor to a delay flip flop (DFF). The method includes switching a DFF ou... | 07/24/2007 |
| 7202676 | 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... | 04/10/2007 |
| 7199576 | Apparatus for testing processing electronics An apparatus is disclosed for testing the processing electronics of a detector module for an X-ray computer tomograph. To provide a measurement environment which is as noise-free as possible, the processing electronics to be tested are tested when they are DC decoup... | 04/03/2007 |
| 7164276 | Method for determining the wall thickness of a metal tube A method for determining the wall thickness of a metal tube is described. This method has the following features: (a) preparation of a metal tube of a determined length; (b) arrangement of two clamp contacts on the metal tube with an exactly defined distance of sepa... | 01/16/2007 |
| 7134785 | Capacitance temperature sensor and temperature measuring device A capacitance temperature sensor in which temperature is measured by detecting capacitance of a parallel plate condenser which comprises a dielectric material comprising strontium titanate single crystal in which (a) 30% by weight or less of oxygen-16 or (b) ... | 11/14/2006 |
| 7073381 | Rotation control sensor Rotation-monitoring detector comprising a binary output signal and a signaling LED, and including a frequency operating mode in which the state of the output signal and of the LED are a function of a passage frequency of a target in front of the detector. The detect... | 07/11/2006 |
| 7075313 | Electronic measuring instrument and method for operating an electronic measuring instrument An electronic measuring instrument encompasses a sensor for the acquisition of process variables, a main memory for the operating parameters of the measuring instrument as well as several additional memory blocks for at least part of the operating parameters of the ... | 07/11/2006 |
| 7071677 | Accurate and efficient sensing method for bi-directional signals An exemplary method and circuit for sensing bi-directional current through a resistive element comprises a sampling unit, a charge transfer unit, and an amplifier. The sampling unit is switchably coupled to the resistive element and samples and stores a voltage corr... | 07/04/2006 |
| 7057396 | Disconnection detecting circuit for sensor apparatus In a disconnection detecting circuit comprising a control circuit and a sensor circuit, an energizing current is supplied from the control circuit side through an output terminal to the sensor circuit side by energizing a transistor in the sensor circuit side direct... | 06/06/2006 |
| 7042230 | Multi-parameter sensing system Systems and methodologies that provide for multi-parameter sensing via micro fabricated sensing structures operatively connected to oscillators, each micro-fabricated sensing structure in part defines a frequency of a respective associated oscillator. Output from su... | 05/09/2006 |
| 7023224 | Low power absolute position sensor and method An absolute position sensor having a low power mode includes a sensing device for sensing position of an object such as a power door, a power input for inputting power to the sensing device, and an output for supplying an output signal indicative of the sensed posit... | 04/04/2006 |
| 7015702 | Method for evaluating a measuring signal and corresponding circuit arrangement In order to measure the current in a shunt, the voltage drop in the resistor of said shunt is evaluated as a measurement of the current. Normally, galvanic separation of the measuring device is required for high-potential shunts. A digital measuring signal provides ... | 03/21/2006 |
| 7005881 | Current sensing for power MOSFET operable in linear and saturated regions A circuit for sensing the current through a power MOSFET in both the linear and saturated regions of operation of the power MOSFET comprising a first circuit coupled to the power MOSFET for sensing the current through the power MOSFET in the saturated region of oper... | 02/28/2006 |
| 6982559 | Accurate and efficient sensing circuit and method for bi-directional signals An exemplary circuit for sensing bi-directional current through a resistive element comprises a sampling unit, a charge transfer unit, and an amplifier. The sampling unit is switchably coupled to the resistive element and samples and stores a voltage corresponding t... | 01/03/2006 |
| 6977513 | Current detection circuit of bidirectional switch A bidirectional main switch includes two main switches M1 and M2 formed of two main MOSFET'S Q1 and Q2, respectively; a bidirectional mirror switch including two mirror switches M3 and M4 formed of two mirror MOSFET'S Q3 | 12/20/2005 |
| 6969999 | Moving object detection apparatus A moving object detection apparatus in which an oscillating output, from a gate of an FET functioning as an oscillator, is coupled via a resonant line to a transmit-receive antenna, a wave, transmitted from the antenna and returned as a reflected wave, is received a... | 11/29/2005 |
| 6965795 | Impedance spectroscopy method for monitoring ischemic mucosal damage in hollow viscous organs Alternate embodiments of an impedance spectroscopy method are disclosed for monitoring ischemic mucosal damage in hollow viscous organs. In each embodiment, a sensor catheter is placed inside a patient's hollow viscous organ. Afterwards, the catheter is electrically... | 11/15/2005 |
| 6956753 | Method and system for providing a temperature compensated feedback signal An electrical circuit for providing a temperature compensated feedback signal includes a first electrical component and a first amplifier. The first electrical component exhibits a first temperature variable impedance and is positioned in thermal contact with a firs... | 10/18/2005 |
| 6940290 | Sensor output processing device having self-diagnosis function A sensor output processing device has an amplifier circuit for amplifying a sensor output signal of a sensor and a buffer circuit for limiting the amplified signal to a high limit level lower than a high side voltage of a power source or a low limit level higher tha... | 09/06/2005 |
| 6937025 | Method and circuit employing current sensing to read a sensor A current sensing method and circuit for reading out a sensor cell, and a sensing apparatus comprising an array of sensor cells arranged along column lines and a current sensing readout circuit coupled to each column line. The sensor cell is configured to assert a s... | 08/30/2005 |
| 6922643 | Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same A method for measuring the resistance component current included in the leakage current is provided. In a monitoring apparatus and system for measurement the signal waveform of at least one AC cycle is sampled. The resistance component leakage current is measured by... | 07/26/2005 |
| 6879165 | Detector having remote dialogue facilities A proximity detector having a housing and issuing an output signal whose state is a function of the position of a target or of the frequency of passage of a target, where the detector parameters can be set by an operator using operator dialog facilities communicatin... | 04/12/2005 |
| 6867595 | Verification system for verifying authenticity of a battery and method thereof A verification system for verifying authenticity of a battery used in a portable electronic device includes a battery for supplying a first electrical current, the battery containing a transducer for inducing an analog voltage based on the first electrical current, ... | 03/15/2005 |
| 6842009 | Biohazard sensing system and methods thereof A sensing system for a target includes a member with an embedded charge, at least one input electrode, at least one output electrode, at least one common electrode, one or more probes, an input system, and an output monitoring system. The input and output electrodes... | 01/11/2005 |
| 6831471 | Configurable interface circuit for exhaust gas oxygen sensors An oxygen sensor interface circuit is configurable on the fly by an electronic controller such as an engine controller to support oxygen sensors having unique interface requirements, to reliably identify various oxygen sensor faults, and to enable rapid detection of... | 12/14/2004 |
| 6819118 | Sensing device A sensing device of the present invention includes a first resistive branch having first and second resistors connected in series, a second resistive branch comprising third and fourth resistors connected in series and arranged in parallel with the first resistive b... | 11/16/2004 |
| 6791343 | Modeling miller effect in static timing analysis A method is contemplated. According to the method, capacitances in a first resistance/capacitance (RC) extraction corresponding to a circuit are modified. Each capacitance is modified to estimate Miller effect on that capacitance. A ratio of a total capacitance on a... | 09/14/2004 |
| 6756914 | Low impedance encoder for a utility meter A low impedance encoder generally comprises a clock source and a switch. The clock source operates according to a predetermined duty cycle. The switch has a first position, closed, and a second position, opened. The duty cycle controls a current flow the switch. A h... | 06/29/2004 |
| 6724196 | Temperature controlled high voltage regulator A temperature controlled high voltage regulator for automatically adjusting the high voltage applied to a radiation detector is described. The regulator is a solid state device that is independent of the attached radiation detector, enabling the regulator to be used... | 04/20/2004 |
| 6573730 | Detector provided with plural input means for obtaining output by changes in resistance values A detector with plural variable resistors, each having a resistance member and an elastically deformable element connected to common fixed resistors, and midpoints between the variable resistors and the fixed resistors connected to an A/D converting circu... | 06/03/2003 |
| 6563326 | Bus-driveable sensor apparatus with direction-dependent current/voltage characteristic curve and method for testing the apparatus The current invention provides a bus-drivable sensor apparatus (10) having a first and a second bus input (a1, b1) for connecting to a corresponding first and second bus line (B-, B+), which have a corresponding first and second pote... | 05/13/2003 |
| 6518773 | Sensor sensitivity adjusting apparatus A compact and inexpensive sensor sensitivity adjusting apparatus. The sensor sensitivity adjusting apparatus includes a sensor, a current supplying IC and a variable resistor. The current supplying IC has first and second fixed resistors connected in seri... | 02/11/2003 |
| 6466028 | Trailer tether sensor circuit A sensor circuit detects whether an electrical connection exists between a tractor portion and a trailer portion of a tractor/trailer vehicle. The circuit includes a first chassis electrical ground in the tractor portion and a second vehicle chassis groun... | 10/15/2002 |
| 6463789 | Gas sensor A gas sensor, comprises a substrate, a sensor unit including a functional layer and an electrode structure, and an electric heating and/or temperature measuring arrangement. An electrically conductive shielding structure is provided between the sensor uni... | 10/15/2002 |
