"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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 |
| 8117003 | Method of monitoring an electrochemical half-cell A method of monitoring an electrochemical second order half-cell (1, 101) is provided, as is a measuring probe with at least one electrochemical second order half-cell (101), a control- and/or regulation unit (7) to close an electrochemical cont... | 02/14/2012 |
| 8086418 | Imperfect combustion detecting device An imperfect combustion detecting device includes a destructive current supplying means which supplies, under a condition that it is determined by a useful life determining means that a deterioration status corresponding value matches a use limit value, destructive ... | 12/27/2011 |
| 8060332 | Method for testing sensor function and computer program product thereof A sensor function testing method and a computer program product thereof are provided. In the present method, a rearm type corresponding to a rearm function of a sensor in a server is obtained, wherein the sensor is in a normal status or one of a plurality of failure... | 11/15/2011 |
| 7970568 | Pedometer method and apparatus A method for detecting steps taken by a person in locomotion on foot having a step-detection apparatus carried on the person. The step-detection apparatus generates a signal in response to locomotion of the person. The signal is compared to the timing characteristic... | 06/28/2011 |
| 7937237 | Method for recognizing a sensor type A first condition, which is met when a measuring signal (V_SENS) of a sensor exceeds a first threshold value (V_SW), is checked. A second condition, which is met when a gradient (GRD_V_SENS) of a measuring signal (V_SENS) is greater than a predefined second threshol... | 05/03/2011 |
| 7933733 | Attribute sensing processes Methods for determining an attribute of a substance in a container in response to an access event. The methods include a method for determining an attribute of a substance including activating the sensor in response to an access event and transmitting, in response t... | 04/26/2011 |
| 7890283 | Malfunction detection system and integrated circuit The present invention is applicable to various sensor outputs including pulse signals and reduces cost for detecting malfunction. The malfunction detection system detects a malfunction in a sensor, and the malfunction detection system includes a sensor including a f... | 02/15/2011 |
| 7729876 | Diagnostic device for use in process control system The diagnostic device that detects a failure of a sensor. The sensor includes memory for repeatedly recording pairs of two absolute pressure values, the absolute pressure values being related to absolute pressures in the first and the second impulse lines, respectiv... | 06/01/2010 |
| 7720626 | Model-based dissimilarity indices for health monitoring systems A method, apparatus, and computer program product for identifying dissimilarity indices for a structure is presented. A first test signal is sent into a baseline model of the structure. An estimated response signal to the first test signal sent into the baseline mod... | 05/18/2010 |
| 7720625 | Method of testing the installation of a measuring device The invention relates to a method for operating a measuring device, especially a flowmeter. The aim of the invention is to simplify inspection if the sensors have been correctly installed. For this purpose, the installation state is detected by the sensors themselve... | 05/18/2010 |
| 7680620 | Dynamic matrix sensitivity measuring instrument for inertial sensors, and measuring method therefor A device for measuring the dynamic matrix sensitivity of an inertia sensor is provided with a motion generating machine or a vibrating table for inducing a translational or rotary motion, an acceleration measuring unit, an angular velocity measuring unit or angular ... | 03/16/2010 |
| 7660690 | Method for verifying sensors installation and determining the location of the sensors after installation in a structural health management system In the present invention, a method is provided for installing and locating a plurality of sensors distributed on a structure as part of a structural health monitoring system. The method includes verifying the proper installation of the plurality of sensors and deter... | 02/09/2010 |
| 7603247 | Device for detecting abnormalities in tire force sensor data A device for detecting force acting on a tire includes a detector provided with respect to vehicle wheels for detecting force acting on a tire and a determining portion for determining a detection abnormality of force acting on the tire by the detector based on at l... | 10/13/2009 |
| 7596465 | System and method for built-in testing of a GPS receiver Built-in test equipment (BITE) incorporated in a GPS receiver for providing a loop forward test. The loop forward test capability may be combined with a loop backward capability to provide a comprehensive built-in test (BIT) capability for the signal path in a GPS r... | 09/29/2009 |
| 7555399 | Method and system for detecting changes in sensor sample streams A method detects a change in a stream of samples acquired by a sensor. A stream of samples acquired by a sensor over time is stored sequentially in a buffer in which an oldest samples is discarded and a newest sample is stored when the buffer is full, such that the ... | 06/30/2009 |
| 7505861 | Method for monitoring the installation of a measurement device The invention relates to a method for monitoring a measurement device, in particular a flow measurement device, and to a measurement device itself. In order in this case to reliably preclude measurement errors resulting from incorrect installation, the invention pro... | 03/17/2009 |
| 7502705 | Sensor subset selection for reduced bandwidth and computation requirements A system for identifying a subset of sensors to sample to reduce the frequency of sensor access. The system determines rise times and records values for the sensors in the system. A time criticality of the sensors is determined based on the rise times. The system pr... | 03/10/2009 |
| 7499821 | Sensor drift characteristic testing Embodiments of apparatuses, articles, methods, and systems for measuring sensor drift characteristics are generally described herein. In some embodiments, a system having a sensor platform to receive a sensor and measure drift characteristic of the sensor is disclos... | 03/03/2009 |
| 7487059 | Transducer health diagnostics for structural health monitoring (SHM) systems A method for diagnosing the health of a transducer may include transmitting a signal to a transducer to cause the transducer to transmit a stress wave into an object being monitored, wherein the signal has a predetermined frequency range or bandwidth. The method may... | 02/03/2009 |
| 7434450 | Method and apparatus for detecting exhaust gas sensor defect An air-fuel ratio sensor that outputs a sensor signal used for the feedback control of an air-fuel ratio is provided. It is determined whether an element crack is present by applying a reverse voltage to the air-fuel ratio sensor. The value of the sensor signal outp... | 10/14/2008 |
| 7421343 | Systems and methods for reducing vibration-induced errors in inertial sensors Systems and methods for reducing vibration-induced bias errors in inertial sensors are disclosed. A system for reducing bias errors in an inertial sensor operating within an environment may include a vibration detector for sensing vibration changes within the enviro... | 09/02/2008 |
| 7386352 | Modular sensor network node A distributed wireless sensor network node is disclosed. The wireless sensor network node includes a plurality of sensor modules coupled to a system bus and configured to sense a parameter. The parameter may be an object, an event or any other parameter. The node co... | 06/10/2008 |
| 7383102 | Slug flow protection system A protection system is provided that mitigates damage caused by slug flow in oil and gas production systems. The protection system opens or closes a choke valve based upon flow parameters such as the separator pressure and level, and the riser pressure. The choke va... | 06/03/2008 |
| 7376499 | State-of-health monitoring and fault diagnosis with adaptive thresholds for integrated vehicle stability system A system and related method for monitoring the state of health of sensors in an integrated vehicle stability control system. In one embodiment, the system determines whether a yaw rate sensor, a lateral acceleration sensor or a hand-wheel angle sensor has failed. Th... | 05/20/2008 |
| 7373267 | System performance monitoring system An industrial controller performance monitoring system includes a detector connected to a controller. The detector is optically coupled to an output, such as a display, of equipment under test and the controller is configured to receive a signal from the equipment u... | 05/13/2008 |
| 7367712 | RTD measurement unit including detection mechanism for automatic selection of 3-wire or 4-wire RTD measurement mode An RTD measurement device including a mechanism for automatic selection of a 3-wire or 4-wire configuration mode of operation. The RTD measurement device may include detection circuitry to detect whether an RTD connected to the RTD measurement device via a plurality... | 05/06/2008 |
| 7362916 | Radiation imaging method, radiation imaging apparatus, computer program and computer-readable recording medium The present invention prevents useless defect correction from being effected on pixels for obtaining a radiation image, to thereby improve the reliability of the radiation image provided for diagnosis. An initial defect map 1 in which a defective pixel... | 04/22/2008 |
| 7343254 | Resolver digital converter In a resolver digital converter comprising a resolver, a resolver digital conversion part, and an excitation signal generation part, the resolver digital converter for inputting an excitation signal generated in the excitation signal generation part to the resolver ... | 03/11/2008 |
| 7342400 | Method and apparatus for measuring employing main and remote units A test instrument employs main and remote test units at respective ends of a cable under test. The units operate in an active or passive measurement mode, wherein one of the units begins as the active unit, applying test signals to the cable under test to make a set... | 03/11/2008 |
| 7324910 | Sensor array for navigation on surfaces A probe system is provided that includes a linear and/or two-dimensional sensor array for obtaining information regarding a test piece. The sensor elements of the sensor array may include ultrasonic, eddy current, magnetic, and/or piezoelectric elements. The sensor ... | 01/29/2008 |
| 7308519 | Communications bus management circuit A communications bus management circuit for a current probe system detects the connection of the current probe system to an instrument and the connection of a current probe to a current probe amplifier of the system. A controller generates a probe enable signal in t... | 12/11/2007 |
| 7305317 | Joint approach of out-of-range detection and fault detection for power plant monitoring A joint approach of out-of-range detection and fault detection for power plant monitoring. The method initially determines whether a sensor is an independent sensor or a dependent sensor. If the sensor is an independent sensor, then an operating range is established... | 12/04/2007 |
| 7298281 | System and method for verifying installation of a tank level monitor A system and method of verifying the installation and data path used by a tank level monitor is provided. Once an installer completes the installation of the tank level monitor, the monitor is activated. The monitor performs a self test and transmits information to ... | 11/20/2007 |
| 7286946 | Transmission characteristic measuring device transmission characteristic measuring method, and amplifier A transfer characteristics measuring device automatically measures the transfer characteristics of each channel of a multi-channel acoustic reproduction system m a multi-channel acoustic reproduction environment, while allowing normal multi-channel reproduction to p... | 10/23/2007 |
| 7281522 | Acceleration sensor status detecting apparatus An acceleration sensor state detecting apparatus for detecting a state of an acceleration sensor provided at a vibrating body includes a calculating method for calculating a difference between measured results of the acceleration sensor obtained per first predetermi... | 10/16/2007 |
| 7272518 | Automated hierarchy classification in utility monitoring systems An auto-learned hierarchy algorithm that learns the hierarchical layout of a power monitoring system. Historical power data from each meter is received and placed into a data table. The main is assumed to be at the top of the hierarchy and is designated as the refer... | 09/18/2007 |
| 7266477 | Method and system for sensor signal fusion The first sensor collects a first group of first sensor readings of first fixed size dependent on a range of a first sensor and safeguarding requirements of a vehicle. A second sensor collects a second group of second sensor readings of second fixed size dependent o... | 09/04/2007 |
| 7263454 | Method for monitoring a vibrating gyroscope The invention relates to a method for monitoring a vibrating gyroscope which represents a resonator and forms part of at least one control loop that excites the vibrating gyroscope with its natural frequency by supplying an excitation signal. An output signal can be... | 08/28/2007 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
| 7254508 | Site loops A method for use with a test system having sites that hold devices under test (DUTs) includes executing a first site loop to iterate through the sites, where the first site loop includes an instruction to program hardware associated with at least one of the sites, a... | 08/07/2007 |