A temperature detection device that detects a temperature of a rotor of a motor. The temperature detection device has a current detection unit configured to detect a current value of a current flowing through a winding with which any one of a stator and the rotor of the motor is provided, an iron loss estimation unit configured to estimate an iron loss of the rotor using the current value, and a rotor temperature estimation unit configured to estimate the temperature of the rotor using the iron loss.

In some example embodiments, a system includes a drill string having a drill bit. The drill string extends through at least part of a well bore. The system also includes a first vibrational sensor, positioned on the drill bit to measure, at a first location on the drill string, an amplitude of one or more of an axial vibration and a lateral vibration. The system also includes a second vibrational sensor, positioned above the drill bit and on the drill string. The second vibration sensor is to measure, at a second location on the drill string, one or more of an axial vibration and a lateral vibration. The system includes a processor unit to determine a type of vibration based on a comparison of the amplitude at the first location to the amplitude at the second location, wherein the type of vibration is at least one of bit whirl of the drill bit and a while of a bottom hole assembly that is part of the drill string.

A method and apparatus for detecting an object. A first optical signal having a first frequency is transmitted to a location on a surface of a ground. A second optical signal having a second frequency is transmitted to the location on the surface of the ground such that the first optical signal and the second optical signal overlap each other at the location on the surface of the ground. The overlap of the first optical signal and the second optical signal at the location generates a third optical signal having a difference frequency that is a difference between the first frequency and the second frequency. The third optical signal is configured to travel into the ground. A response to the third optical signal is detected. A determination is made as to whether an object is present in the ground using the response to the third optical signal.

A radiation detection apparatus according to an embodiment includes: a scintillator including a fluorescent material to convert radiation to visible radiation photon; a photon detection device array having a plurality of cells each of which includes a photon detection device to detect visible radiation photon emitted from a fluorescent material in the scintillator and convert the visible radiation photon to an electric signal; and a plurality of lenses provided on cells respectively in association with the cells to cause the visible radiation photon to be incident on the photon detection device in an associated cell.

A detector for detecting ionizing radiation comprises a scintillator 10 selected to emit light in response to incidence thereon of radiation to be detected, at least one detector 16 for detecting said emitted light, and at least one optical waveguide 12 for transmitting said emitted light to said detector 16. The optical waveguide typically comprises a flexible solid or hollow fiber that can be incorporated into a flexible mat or into a fiber-reinforced structure, so that the detector is integrated therewith.

This invention relates to a two-dimensional detection system for neutron radiation comprising a means (1) for emitting a neutron beam (10), a support means (2) adapted for receiving a sample (3), a photoemission means (5) adapted for being activated by a neutron radiation, a cooled low light level charge-coupled detection device (7). The emission means (1) emits a monochromatic neutron beam (10). The system further comprises a filter means (4), the filter means (4) being located between the support means (2) and the photoemission means (5) and being adapted for trapping at least a substantial part of the monochromatic neutron beam transmitted (12) by the sample (3), and an amplification means (6) located upstream the charge-coupled detection device (7) and coupled with the charge-coupled detection device (7).

A detection apparatus configured to detect soft X-ray radiation, includes a conversion unit and a circuit unit disposed on a semiconductor substrate. The conversion unit has a plurality of conversion elements that convert the soft X-ray radiation incident on the semiconductor substrate into electric charge. The circuit unit has an amplifier transistor that amplifies and outputs a signal supplied from the conversion unit. A shielding unit is disposed above the circuit unit. The shielding unit blocks the soft X-ray radiation incident on the circuit unit. Preferably, the soft X-ray shielding coefficient of a material that forms the shielding unit is higher than the soft X-ray shielding coefficient of each of aluminum and copper. Alternatively, a material that forms the shielding unit has an atomic number higher than or equal to 70.

A vehicular crash sensing system includes a bumper cap for contacting a bumper. A chamber fits into a side rail attached to the bumper, the chamber being sealed by the bumper cap. A stop element limits movement of the chamber into the side rail. A pressure sensor detects an increased chamber air pressure during crushing of the chamber resulting from movement of the bumper with respect to the stop element.

A refrigerator includes a refrigerator cabinet and a refrigerating compartment within the refrigerator cabinet. A beverage dispensing system is operatively connected to the refrigerator cabinet, the beverage dispensing system configured to dispense a stream of a beverage. The beverage dispensing system includes a light source and a light sensor positioned on opposite sides of the stream of the beverage. The beverage dispensing system is configured for detecting if dispensement of the beverage is occurring and characterizing the volume or amount of the beverage being dispensed.

To provide an opening degree detection device for an automatically operated valve which is easily assembled into an automatically operated valve, makes it easy to ensure detection accuracy at the time of assembling the opening degree detection device, and is easily applicable to an existing automatically operated valve. The opening degree detection device includes: a base plate 4 which is detachably mounted on an automatically operated valve 2; a displacement sensor 5; and a target 6 having an inclined detection surface 6a which is detected by the displacement sensor 5. The target 6 is fixed to the base plate 4. The displacement sensor 5 is supported on a valve stem 14 by way of a sensor support member 21, and the sensor support member 21 is supported on the base plate 4 by way of a guide means.

Method and instrumentation for detection of rail defects, in particular rail top defects, in a railway-track by measuring an axle box acceleration signal of a rail vehicle, wherein a longitudinal axle box acceleration signal is used as a measure to detect the occurrence of said rail defects. The method also includes measuring a vertical axle box acceleration signal of said rail vehicle, whereby the longitudinal axle box acceleration signal is used in combination and simultaneously with said vertical axle box acceleration signal. It is preferred that the longitudinal axle box acceleration signal is used to remove from said vertical axle box acceleration signal a signal-part that relates to vibrations of the rail vehicle's wheel set, including the bearing and axle box, and that the axle box acceleration signals are filtered for removing signal-parts contributed by vibrations of the track, including the rail, rail pads, fasteners, sleepers, and ballast.

A railcar has an on-board system for detecting conditions of the railcar. The on-board system includes a plurality of condition sensors positioned on the railcar. A transceiver is in communication with each of the plurality of condition sensors so as to receive condition data from the plurality of condition sensors. The transceiver transmits the condition data to a receiving station remote from the railcar for review and analysis.

A detection system may include a transmitter associated with a first train configured to emit an end-of-train signal. The detection system may include a receiver associated with the transmitter and configured to receive the end-of-train signal from the transmitter. The receiver may also be configured to receive at least one remote signal from a second train and determine whether the second train is a collision threat based on the remote signal from the second train.

Occupancy of a railroad track detection zone by one or more trains is determined using sensor devices located at gateways into and out of the track detection zone. Each sensor device has a sensing range that includes a portion of the railroad track in the detection zone and the sensor device generates data used to uniquely identify each train passing through a gateway and thus the sensing range of one or more sensor devices. Data from the detection zone's sensor device array is collected and evaluated to monitor or track the status of any detected trains and the occupancy of the zone. In some embodiments, the sensor devices utilize anisotropic magnetoresistive sensor elements whose analog waveform data is the basis of magnetic flux peak detection and mapping to generate unique train identification signature data that is transmitted to and evaluated by a detection zone processor, which in some cases can control crossing signals and/or other control apparatus related to the railroad track detection zone. The unique train identification signature data can include digitized amplitude peaks and their sequence for each train, based on that train's generated analog waveform data.

A paper-type detection device comprises a sensor unit, a storage unit and a control unit. The sensor unit is used for detecting a transmission state of a paper according to a fixed clock period, and carrying out binaryzation on detected signals to indicate the presence-absence state of the paper. The storage unit is used for acquiring the signals detected by the sensor unit, acquiring paper information in the signals, and storing the paper information in sequence. The control unit comprises a first state counter and a second state counter. The control unit controls the two state counters for carrying out zero clearing and starting operations for counting in conjunction with the sensor unit.

A web printing system automatically detects the location of a wrinkle in a moving web. The web has a plurality of marked reference positions including an inboard position, a center position, and an outboard position. A plurality of contact image sensors detect the reference positions after the web passes through a spreader and an inboard distance and an outboard distance are respectively measured from the center position. If the inboard distance is less than a nominal inboard distance, the wrinkle is identified as inboard of the center position. If the outboard distance is less than a nominal outboard distance, the wrinkle is identified as outboard of the center position. The machine operator is notified of the fault condition and takes action to remedy the situation.

A comparison system includes a memory including a first compiled version and a second compiled version of a target application, at least one processor, and a comparison engine, executing on the at least one processor. The comparison engine is configured to identify a method in the first compiled version, locate the method in the second compiled version, compare the method in the first compiled version to the method in the second compiled version, and providing an indication that the method is an altered method from the first compiled version to the second compiled version of the target application.

A port of a first device includes remote device detection logic to detect, on a link, a remote second device, determine, from a voltage generated at the port, whether the second device is direct current (DC)-coupled or alternating current (AC)-coupled to the link, and select one of first settings or second settings to be applied at the port in communications over the link with the second device based on whether the second device is DC-coupled or AC-coupled.

Tire changing machines having force feedback and position control systems are described that may be used to control operation of one or more components of the machine during a tire change procedure. Information may be provided to a machine operator concerning detected operating conditions during the procedure. Excessive or abnormal forces or component positions can be detected and corrective action may be taken at any point in the tire change procedure. Successful component position profiles may be saved for future recall and execution by the machine.

The method for surface inclusions detection, enhancement of endothelial and osteoblast cells adhesion and proliferation and sterilization of electropolished and magnetoelectropolished Nitinol implantable medical device surfaces uses an aqueous solution of chemical compounds containing halogenous oxyanions as hypochlorite (ClO−) and hypobromite (BrO−) preferentially 6% sodium hypochlorite (NaClO).

A method of operating a dishwasher having a tub at least partially defining a treating chamber for receiving utensils and a spraying system spraying liquid in the treating chamber, to determine at least one parameter of the cycle of operation based on the set of load condition by selectively spraying liquid in multiple portions of the treating chamber.

A computer executing a software algorithm may be used to detect a depression in a temperature profile. The temperature profile may be smoothed to eliminate noise. Next, the temperature profile's center may be extracted. A polynomial may be fitted to extracted data. An algorithm used to fit the polynomial may guarantee that the fitted curve's peak may be below the actual temperature data's peak. Next, residuals may be calculated by subtracting the fitted curve from the actual data. If there is a dip at the center, then the residuals in the center may be less than zero. The software algorithm executing on the computer may then make a decision based on a sign of the residuals. For example, residuals less than zero may indicate bar porosity. Residuals above zero may indicate no porosity. The magnitude of the residuals may then be used to classify a size of a detected defect.

Methods and systems described herein include individual-use beverage containers including sensors and methods of their use. Beverage containers include: a vessel body configured to hold a beverage; and at least one sensor associated with the vessel body, the at least one sensor including a sensor configured to detect one or more substance in a fluid. Systems include: at least one beverage container including at least one sensor configured to detect one or more substance in fluid; and at least one external device including at least one port configured for communication with the at least one sensor. Methods include: detecting one or more substance within fluid with at least one sensor integral to a beverage container; and interfacing one or more of the at least one sensor with an external device.

The invention provides for a proteomic approach for identification of specific bacterial protein profiles that may be used in the development of methods for the diagnosis of bacterial chronic sinusitis. The invention provides for methods for determining the presence of pathogenic bacteria in the upper respiratory tract of a subject using protein profiles of the pathogenic bacteria. The invention also provides for methods of diagnosing a bacterial infection of the upper respiratory tract of a subject using protein profiles of a pathogenic bacteria. In addition, the invention provides for devices, immunoassays and kits for identifying pathogenic bacteria in the upper respiratory tract.

An in-vehicle system as a road curvature detection device calculates a curvature of a road in front of a vehicle based on an acquired front scene image. The in-vehicle system receives gradient information from the data map. The gradient information corresponds to a current road section on the road on which the vehicle drives. The in-vehicle system detects a gradient accuracy of the received gradient information. When the current road section has a gradient, i.e. the road is an uphill or downhill road, the in-vehicle system selects an appropriate special detection methods based on the gradient accuracy of the received gradient information, and calculates a road curvature by using the selected special detection method. Each of the special detection methods calculates a road curvature while effectively suppressing influence of a road gradient indicated by the received gradient information.

An autonomous vehicle can encounter an external environment in which an object overhangs a current road of the autonomous vehicle. For example, the branch of a tree may overhang the road. Such an overhanging object can be detected and suitable driving maneuvers for the autonomous vehicle can be determined. Sensor data can be acquired from at least a forward portion of the external environment. One or more floating obstacle candidates can be identified based on the acquired sensor data. The identified one or more floating obstacle candidates can be filtered to remove any floating obstacle candidates that do not meet one or more predefined parameters. A driving maneuver for the autonomous vehicle can be determined at least partially based on a height clearance between the autonomous vehicle and floating obstacle candidates that remain after being filtered out. The autonomous vehicle can be caused to implement the determined driving maneuver.

Aspects of the present disclosure include a navigation system and computer-implemented methods for detecting traffic disruption events based on an analysis of input component data obtained from navigation-enabled devices of vehicles near a particular location. Traffic disruption events are events such as accidents, construction road closures, police and speed traps, or road hazards that cause a decrease in the flow of traffic along a particular route and thus, added time delays for occupants of vehicles traveling along those routes. The navigation system scores the input component data associated with each vehicle and aggregates the scored input component data to obtain a frustration score associated with the vehicle. The navigation system may detect traffic disruption events based on a number of vehicles near a particular area having associated frustration scores above a certain threshold.

Described herein is a vehicle system configured to identify and mitigate inappropriate driving behavior. In some embodiments, the vehicle system may receive input information from one or more input sensors. The vehicle system may identify driving behaviors related to a vehicle from the received input. The vehicle system may determine whether the driving behaviors are inappropriate in light of one or more conditions affecting the vehicle. Upon identifying inappropriate behavior, the vehicle system may generate a set of corrective actions capable of being executed to mitigate the inappropriate driving behavior.

Inertial unit for the measurement of accelerations and/or rotations comprising four sensors, spread out on two intersecting axes, each sensor comprising two inertial masses, each inertial mass comprising a moveable excitation part and a moveable detection part, the moveable excitation parts of a sensor being separate from those of the other sensors, said unit also comprising means for exciting the excitation parts of the sensors and means for detecting the movement of the detection parts, the two inertial masses of each sensor) being mechanically coupled, the four sensors being coupled by elastically deformable mechanical coupling means and able to transmit the excitation vibrations from one axis to the other.

A method and apparatus for identifying an inconsistency. A number of waves that propagate through a structure are generated. A response signal is generated in response to detecting at least a portion of the number of waves that propagate through the structure. A determination is made as to whether the response signal includes a reflected component. A presence of the inconsistency in the structure is indicated when the response signal includes the reflected component.

One embodiment of the invention provides a system for identifying an anomalous movement of a reciprocating element in a reciprocating device, the system comprising: at least one sensing device for sensing a vibration signal of the reciprocating element; a processing apparatus for separating the vibration signal into a first component having a first frequency range and a second component having a second frequency range different than the first frequency range; and a device for at least one of analyzing or displaying at least one of the first or the second components of the vibration signal, wherein the vibration signal includes positional data of the reciprocating element along at least one axis of the reciprocating element.

Systems, apparatus and methods to create a database by a device (such as a server) and to use the database by a mobile device for detecting a planar target are presented. The database allows recognition of a planar target by a mobile device from steeper angles with minimum impact on runtime. The database is created from at least one warped view of the planar target. For example, a database may contain keypoints and descriptors from a non-warped view and also from one or more warped views. The database may be pruned by removing keypoints and corresponding descriptors of one image (e.g., a warped image) overlapping with similar or identical keypoints and descriptors of another image (e.g., a non-warped image).

A phase detection circuit includes a sampling signal generation circuit configured to generate a plurality of sampling signals in response to a plurality of phase change clocks having different phases and data; a charging voltage generation circuit configured to compare the plurality of sampling signals, and change a voltage level of one charging voltage between a first charging voltage and a second charging voltage; and a comparison circuit configured to compare voltage levels of the first and second charging voltages, and generate a result signal.

A system and method for a battery cell having an anode and a cathode, and a separator disposed between the anode and the cathode. A conductive layer disposed in the separator facilitates detection of dendrite growth from the anode into the separator, the detection correlative with a reduction in voltage between the anode and the conductive layer. A detection interface component coupled to the conductive layer is configured to facilitate routing of a signal from the conductive layer to a circuit external to the battery cell, the signal indicative of the detection. The battery cell may be part of a battery or battery pack which may be utilized by an electronic device.

A multi sensor detection and disabling lock system includes detector cases for holding interchangeable detectors that sample for chemical, biological and radiological compounds, agents and elements, with each detector case disposed in or upon the monitored product. The detector case transmits detection information to a monitoring computer terminal and transmits a signal to a lock disabler engaged to the product to lock or disable the product's lock thereby preventing untrained, unauthorized and unequipped individuals from gaining access and entry to the product, and also preventing further contamination of the area. The detection system can be interconnected to surveillance towers scanning detector cases disposed at seaport docks, freight depots and rail terminals for monitoring containers being prepared for shipment or sitting on docks for long periods of time.

A multi-spectral detection device is provided that includes a housing, a bezel spacer, a microphone, an end cap and electro-optical sensors mounted to the end cap. The housing has an inner chamber that holds sensor components. The bezel spacer has a first end and an opposed, second end. The first end of the bezel spacer extends from a first end of the housing. The bezel spacer has a central bezel passage leading to the inner chamber of the housing. The bezel spacer further has at least four side walls. Each side wall is positioned 90 degrees away from an adjacent side wall. A microphone is coupled to each side wall of the bezel spacer in such a manner that each microphone is faced 90 degrees with respect to an adjacent microphone to form a compact acoustic array. The end cap is coupled to the second end of the bezel spacer and the electro-optical sensors are mounted to the end cap.

A ceiling mount intrusion detector with arbitrary direction detection capability is provided. The detector can include a pyroelectric sensor and a unitary Fresnel lens such that the unitary Fresnel lens includes a first piece of a first full Fresnel lens and a second piece of a second full Fresnel lens and such that the first piece and the second piece are spliced together. Due to the dimensions and location of the unitary Fresnel lens relative to the sensor, the sensor can output a signal indicative of an alarm condition when an object passes in front of the lens at any angle relative to the sensor.

A flap detector can detect significant flapping with magnitudes of state deltas (i.e., differences between values representing events or states). The flap detector aggregates monotonic state deltas. Aggregating monotonic state deltas yields a magnitude of monotonic state deltas. A magnitude of a series of same direction state deltas can be considered the magnitude of flap because the end of the series corresponds to a beginning of a state delta series in a different direction. When directional transition occurs (i.e., flapping occurs), the flap detector generates multiple monotonic state delta magnitudes. The determined magnitudes can be used to filter out insignificant flapping that could be considered noise.

Embodiments disclosed herein generally relate to contact at the disk by the recording head in a hard disk drive. In one embodiment, a direct current is applied to an element in a HAMR head. An alternating current is then applied to the element over top of the direct current to cause the HAMR head to dither. By monitoring the head signal at the dither frequency, a touchdown or contact of a NFT on a disk may be detected based upon variations in the produced signal.

A magnetic disk device according to an embodiment includes a disk including a data area, a head configured to read and write data from and to the data area, and a controller configured to determine under a first condition whether the data area includes a defect, and to determine, under a second condition of a higher defect detection sensitivity than the first condition, whether a first area around a first defect area includes a defect, when detecting the first defect area under the first condition.

Methods and apparatuses for detecting mode hopping in a laser diode or other optical energy source in heat-assisted magnetic recording. An output power of the laser diode or other optical energy source is measured and the output power is differentiated over time to determine a rate of change. If it is determined that the rate of change exceeds a threshold value, a fault signal is asserted indicating a potential mode hopping event.

A ductless fume hood suitable for the removal of various chemical materials including toxic and non-toxic gases, vapors, particles, dust and unpleasant odors from a fluid stream. The ductless fume hood uses electronic devices and software to enable real time monitoring of gas levels in parts per million.

Polishing pads for polishing semiconductor substrates using eddy current end-point detection are described. Methods of fabricating polishing pads for polishing semiconductor substrates using eddy current end-point detection are also described.

A Continuous Transmission Frequency Modulated (CTFM) detection apparatus is provided. The apparatus includes a projector, a sensor, and a hardware processor. The projector is configured to transmit a frequency modulated transmission wave at a given transmission period. The sensor is configured to receive a reflected wave, the reflected wave comprising a reflection of the transmission wave on a target object. The hardware processor is programmed to at least generate a beat signal based at least in part on the transmission wave and the reflected wave, extract asynchronously from the transmission period a processing signal from the beat signal, and generate information related to the target object based on the processing signal.

The present invention relates to a system for determining a distance, a transponder, a position detection apparatus, and a method therefor. The method for determining a distance comprises providing a position detection apparatus (101), and a transponder (105). The method further comprises generating (201) a pseudo number sequence, transmitting (202) the pseudo number sequence, receiving (203) the pseudo number sequence; modulate (204) the received pseudo number sequence by means of delaying the recieved pseudo number sequence a predetermined number of clock cycles from a group of at least two predetermined number of clock cycles. The method further comprises transmitting (205) the modulated pseudo number sequence, recieving (206) the modulated pseudo number sequence, detecting (207) a path time of the pseudo number sequence, by means of delaying and correlating the generated pseudo number sequence with the received modulated pseudo number sequence, wherein the delay time corresponds to the path time, The method further comprises detecting (208) a clock correction factor for the transponder (105) using the received modulated pseudo number sequence, calculating (209) a flight time of the pseudo number sequence between the position detection apparatus and the transponder by means of the path time, the clock correction factor, and the predetermined number of clock cycles of the transponder, and calculating (210) the distance between said position detection apparatus and said transponder by means of the flight time.

A dual mode electromagnetic detection system and a protective dome for the electromagnetic detection system are described. The protective dome includes a substrate having a portion transparent to both infrared radiation and radio frequency radiation. The portion of the substrate includes a macromolecular material including a polymer selected from a family of polyolefins and an antistatic additive.

A blind spot detection system for a motorcycle, which includes an accelerometer, a gyroscope, and a detection device for detecting the presence of a vehicle in at least one blind spot. The accelerometer detects a gravity force vector, and the gyroscope detects the position of the motorcycle relative to the gravity force vector such that a lean angle of the motorcycle is calculated. The detection device is then configured to maintain the same position of the motorcycle relative to the gravity force vector and compensate for the position of the motorcycle if the lean angle is greater or less than 90°, such that the detection device is able to detect the presence of the vehicle in the at least one blind spot, independent of the lean angle of the motorcycle.

The invention relates to determining the presence of flowing water (B) in the vicinity of a vehicle. It relies on a pair of sensors (6a) emitting periodic signals, receiving reflected signals and comparing them to each other to determine the presence of flowing water in the area surrounding the vehicle. Another approach relies on a single sensor and analyses perturbations in the signal of said sensor. Preferably, the invention uses sensors already installed, namely parking sensors and a radar.

A radar apparatus detects an observation point distance and an observation point azimuth. In addition, the radar apparatus calculates an observation point lateral position and an observation point vertical position based on the observation point distance and the observation point azimuth. Furthermore, the radar apparatus determines that a traveling vehicle is detected when a number of observation points included within a side determination range is equal to or greater than a predetermined traveling vehicle determination count, based on the observation point lateral position and the observation point vertical position. The side determination range is set so as to include a passing determination line so as to extend in a direction at 90 degrees relative to a front-rear direction of the vehicle to the side of the vehicle.

Some embodiments provide irrigation valve control apparatuses comprising: a solenoid configured to cooperate with a plunger; an input stimulus source coupled with the solenoid and configured to apply an input stimulus while a plunger drive signal is not being applied and that is sufficiently small to not cause the plunger to move; sampling circuitry configured to measure one or more voltage measurements corresponding to one or more voltages across the solenoid, wherein the one or more voltage measurements are dependent upon the current position of the plunger relative to the solenoid; and control circuitry cooperated with the sampling circuitry to receive the one or more voltage measurements from the sampling circuitry, wherein the control circuitry is configured to determine whether the plunger is in one of the open and closed positions based on the one or more voltage measurements.