35 results about "Detector cell" patented technology

A LIDAR sensor for detecting at least one object in a field of view. The LIDAR sensor includes: a transmitting unit includes a laser source; and a receiving unit having at least one detector unit for receiving secondary light that has been reflected and / or scattered in the field of view by an object. The detector unit includes a sub-detector array including a plurality of sub-detectors arranged in a first direction of extent next to each other and / or in a second direction of extent one behind another, and a processor unit that is designed to select a first group from a plurality of sub-detectors and to group it to form a first macropixel, and simultaneously to select at least one second group and to group it / them to form at least one second micropixel. The first macropixel and at least one of the second macropixels comprise at least one same sub-detector.

The disclosure relates to a detector unit comprising a radio frequency antenna unit and a gradient coil unit surrounding the radio frequency antenna unit concentrically, each embodied as hollow cylinders surrounding a cylinder axis in the longitudinal direction. The detector unit comprises at least four shim units, which are embodied as oblong shapes and are each arranged in parallel to the cylinder axis at various positions in the circumferential direction on a first inner surface, with said first inner surface corresponding to the side of the gradient coil unit facing towards the cylinder axis, and forming raised areas in the direction of the cylinder axis. The detector unit comprises a fixing unit embodied for fixing the at least four shim units to the gradient coil unit, and an RF screen, which is arranged at least partly between the radio frequency antenna unit and the gradient coil unit.

An example detector cell includes a first current source circuit having a terminal. The detector cell includes a first transistor having a control terminal, a first terminal, and a second terminal coupled to the terminal of the first current source circuit. The detector cell includes a second current source circuit having a terminal coupled to the first terminal of the first transistor. The detector cell includes a first current mirror having a first terminal and a second terminal, the first terminal coupled to the terminal of the second current source circuit and the first terminal of the first transistor. The detector cell includes a second transistor having a control terminal, a first terminal, and a second terminal coupled to the terminal of the first current source circuit. The detector cell includes a third current source circuit having a terminal coupled to the first terminal of the second transistor. The detector cell includes a second current mirror having a first terminal coupled to the terminal of the third current source circuit and the first terminal of the second transistor and a second terminal coupled to the second terminal of the first current mirror.

A method for time-resolved pump-probe resonance spectroscopy, comprising the steps of:-exposing a sample (4) to a radio frequency pump pulse (20), where the radio frequency pump pulse (20) drives a resonance, where the resonance is electron spin resonance and / or nuclear magnetic resonance, where the sample (4) is located within a magnetic bias field (22); -detecting the sample (4) with an electron detection beam (7) from the electron source (6); detecting a detection beam characteristic of the electron detection beam (7) by means of a detector unit (8), the detection beam characteristic being dependent on a magnetic moment (25) of the sample (4), the magnetic moment (25) being dependent on the driven resonance, the detector unit (8) being configured to detect the detection beam characteristic of the electron detection beam (7) at a temporal resolution for time-resolved detection of the driven resonance; and determining a property of the resonance, in particular a state of the resonance, preferably a change in the state of the resonance, on the basis of the detected probe beam property.

Disclosed is a detector unit for tracking high energy particles, which has a first panel having a first surface, a second surface and a first support member. The detector unit also has a second panel having a first surface, a second surface and a second support member. The detector unit further includes a plurality of first fibres and a plurality of second fibres. The first panel is stacked upon the second panel such that second surface of first panel and second surface of second panel are facing each other. The plurality of first fibres and the plurality of second fibres have two or more layers of first fibres and second fibres, respectively, arranged in an interlocking manner in a first set and a second set of parallel grooves of the first panel and the second panel, respectively.

The present invention aims to provide a low-cost NDIR greenhouse gas monitoring device that combines a rotary multi-gas cell system and an NDIR sensor system for measuring nitrous oxide (N2O) gas at multiple locations in a short time. [Solution] The NDIR greenhouse gas monitoring device is characterized by comprising a rotary multiple gas cell system having two or more gas cells, gas cell holders that fix both ends of each gas cell, a central axis that serves as the axis of rotation of the gas cell holder, and a motor connected to the central axis that rotates the gas cell holder by rotating the central axis, and an NDIR sensor system having an NDIR light source unit, an NDIR detector unit, and a controller that controls the output of the motor that rotates the central axis in the rotary multiple gas cell system.

A conductivity detector module for an ion chromatography system includes a detector unit configured to receive an eluate stream from the ion chromatography system, the detector unit including a first electrode and a second electrode in electrical contact with the eluate stream; a first current branch coupled to the first cell drive input and the first electrode and providing a first cell output; and a second current branch coupled to a second unit driving input and the second electrode and providing a second unit output, wherein the first unit driving input and the second unit driving input are equal in size and opposite in sign.

A differential detector unit is configured to determine an average value of signal parameters of an input signal of an automatic control system for a first time interval, determine an average value of signal parameters of the input signal for a second time interval, determining a difference between an average value of the signal parameter for the first time interval and an average value of the signal parameter for the second time interval, and if the determined difference exceeds a defined first threshold or falls below a defined second threshold, determining that the signal parameter is the average value of the signal parameter for the second time interval. If so, instructing the automatic control system to adapt at least one parameter of a control algorithm of the automatic control system.

The invention relates to a scanning element and to an inductive position measuring device having the scanning element. The scanning element (1) comprises a circuit board (1.1) which comprises a first detector unit (1.11) having a first receiver conductor path (1.1121) which encircles an axis (R) in a circumferential direction (x). The course of the first receiver conductor path is periodically provided along a first line (K1), the course having a first gap (U1) along its extension in the circumferential direction (x), the course having a first amplitude (J11) in a first quadrant (I) or a second quadrant (II) of a Cartesian coordinate system and a second amplitude (J13) in a third quadrant (III) or a fourth quadrant (IV) of the coordinate system. The origin of the coordinate system is here located on the axis (R) and a longitudinal coordinate (O1) passes centrally through the first gap (U1) with respect to the circumferential direction (x). The second amplitude is smaller than the first amplitude.

The present invention relates to a method and system of fatigue testing a wind turbine blade using a test system. The test system comprises a test stand to which the wind turbine is fixed. A first excitation unit is connected to the wind turbine blade and used to introduce loadings in the flapwise direction. A second excitation unit is connected to the wind turbine blade and used to introduce loadings in the edge wise direction. A load controllable unit is connected to the wind turbine blade and used to adjust the resonant frequency of the test system. Loadings in the flapwise and edgewise directions are introduced at the same resonant frequency and the loadings are measured using a number of detector units electrically connected to the control unit. The control unit monitors and controls the amplitude of the first and second harmonic motions and the phase between the first and second harmonic motions, thereby allowing the load polar plot to accurately match a target load polar plot.

A sensor unit. The sensor unit includes a waveguide including a first end and a second end opposite to the first end. The sensor unit includes a beam splitter, which is configured and disposed to split a light beam received from a light source and to guide a thus obtained first partial light beam into the first end of the waveguide and to guide a second partial light beam into the second end of the waveguide. The beam splitter is further configured and disposed to direct light from the first end of the waveguide to a detector unit and to direct light from the second end of the waveguide to the detector unit. The sensor unit includes the detector unit, which is configured to detect and evaluate the light from the first end of the waveguide with the light from the second end of the waveguide.

Systems, components, and methods for detecting characteristic signals are described. A detector includes a detector cell. The detector cell can be configured to generate an electrical signal in response to a particle incident on an active layer of the detector cell, The active layer can define an absorption surface. The detector can include a filter. The filter can include a membrane of carbon material. The filter can be disposed relative to the detector cell to shield the absorption surface from a subset of the incident particles. The subset of the incident particles can include electrons, ions, and photons. The photons can have an energy less than about 40 eV.

An optical CRA detector unit (14) includes an optical CRA sensor (26) disposed on a substrate (22), where the optical CRA sensor (26) includes a plurality of CRA detector pixels (30) having the same spectral sensitivity, each CRA detector pixel generating an irradiance sensor signal, where the irradiance sensor signal is transmitted to the substrate (22). The irradiance sensor signals generated by the CRA detector pixels (30) are provided with parametric characteristics of the chief ray angle (CRA) for generating the irradiance of the CRA detector unit (14), should allow a specific compact and miniaturized package. According to the invention, this is achieved by providing an aperture element (32) disposed above the optical CRA sensor (26) with respect to the substrate (22), the aperture element (32) comprising a flat, laterally extending refractor element (34) defining a top surface (36) and a bottom surface (38) wherein the top and bottom surfaces (36, 38) are provided with a top aperture layer (40) and a bottom aperture layer (42), respectively, and wherein the top aperture layer (40) is provided with a top aperture (44) and the bottom aperture layer (46) is provided with a bottom aperture (46), the lateral dimension of which is at least the lateral dimension of the top aperture (44).

An elevator system comprising an elevator car, an elongate tension member operably connected to the elevator car and configured to move the elevator car within a hoistway, and an elevator car position measurement system. The elevator car position measurement system comprises a pulse generator configured to transmit a pulse along the elongate tension member; and a detector unit configured to receive the pulse from the pulse generator after the pulse has been transmitted along the length of the elongate tension member and to record a time at which the pulse is received. One of the pulse generator and the detector unit is arranged to move within the hoistway in dependence on a position of the elevator car within the hoistway, such that the length of the elongate tension member along which the pulse is transmitted varies in dependence on the position of the elevator car within the hoistway. The elevator car position measurement system is configured to determine the length of the elongate tension member along which the pulse is transmitted based on the recorded time, and to determine the position of the elevator car within the hoistway based on the determined length.

A method and system for detecting an occurrence of an arc in a DC grid, wherein electrical devices are connectable to the DC grid, wherein the method includes providing at least one detector unit in the DC grid, the detector unit being configured to measure arc noise voltage superimposed on a DC grid voltage without a direct measurement of the current flowing through the arc itself, wherein the arc noise voltage is associated to the occurrence of an arc in the DC grid, and wherein a minimum impedance range in a predefined frequency range is ensured for each of the electrical devices connected to the DC grid.

A spectral sensor system for analysing a sample in a harsh environment comprising: an illumination unit configured for emitting light to the sample at, at least two wavelengths; an optical detector unit comprising a plurality of detector elements, wherein each respective detector element of the plurality of detector elements is configured for detecting one or more respectively different wavelength regions, wherein the optical detector unit is configured for detecting a spectrum of the light, the spectrum having non-zero components at the at least two wavelengths, after the light has interacted with the sample; and at least one layer arranged between the sample and the optical detector unit; wherein the at least one layer is at least partially optically transparent to the detected spectrum of the light; and wherein the at least one layer is sufficiently resistant to the harsh environment.

The present invention relates to a time-of-flight (ToF) camera unit configured for capturing three-dimensional point-cloud data of an environment, wherein the ToF camera unit comprises a laser emitter configured to emit modulated light signals when triggered in accordance with a laser trigger signal, and a sensor chip. The sensor chip comprises detector cells 8 configured to receive reflections of the emitted light signals at an object in the environment, and a chip-internal circuit configured to modulate, dependent on a clock signal with a defined clock signal frequency, an intermediate signal with a defined intermediate signal frequency into the laser trigger signal, and a processing unit configured to determine a distance between the ToF camera unit and the object in the environment based on detector cells output.

The method of the invention is for automated, scalable, high-throughput detection of objects in biological samples (1). The method comprises: taking several computer-readable images of biological samples, each of which containing multiple objects (S100); taking a detection coordination unit (5), which is used to identify the biological sample images one after the other and generate an identifier (S200) for each biological sample image; taking a detection management unit (6) transmitting the biological sample images with at least an identifier, where the detection management unit (6) is creating a detection task associated with each biological sample image and arrange the detection tasks in a list one after the other (S300); taking at least one detector unit (7) to process the biological sample images with at least one identifier, by detecting the objects on a single biological sample image one at a time in order to create an object image for each detected object comprising at least the identifier of the given biological sample image and position coordinates (S400); taking a learning management unit (8), transmitting the object images with at least identifiers and position coordinates to a learning management unit, creating a learning task associated with each object image, organizing the learning tasks in a list one after the other (S500); taking at least one teaching unit (9) which includes an initial learning model, the object images comprising at least an identifier and position coordinates, learning the encoding of a single object image one at a time to thereby create a current learning model by improving the initial learning model (S600); taking a learning model database (12) which contains the initial learning model, transmitting the current learning model to a learning model database by overwriting the initial learning model and storing the current learning model (S700); after step S400, taking a coding management unit (10) transmitting the object images comprising at least an identifier and position coordinates, creating one coding task associated with each object image, organizing the coding tasks one after the other into a list (S800); taking at least one encoding unit (11) using the initial or current learning model stored in the learning model database, processing the object images by encoding a single object image at the same time, in order to thereby create an object code that is equipped with at least the identifier of the given object image (S900); taking an object code database (13), transmitting the object code with at least an identifier and store it in an object code database (S1000). A system according to the invention is for implementing a method according to the invention.  

A PET imaging system includes a gantry having a patient tunnel, and a first detector unit and a second detector unit housed inside the gantry, each detector unit including a plurality of detector elements in a helical arrangement about an axial axis of the imaging system. Each of the detector elements in the second detector unit is spaced apart from a corresponding detector element in the first detector unit by an axial gap. Each detector element has an axial position. Each of the first and second detector units has its detector elements arranged such that the set of detector elements is positioned such that each detector element in the set is offset from an adjacent detector element in the detector unit, such that a maximum difference between the axial positions of the detector elements in each detector unit is less than or equal to the axial gap.

A chromatograph system includes a liquid delivering pump that delivers a mobile phase, an autosampler that injects a sample into the mobile phase downstream of the liquid delivering pump, a separation column that is located downstream of the autosampler and separates components in the sample injected into the mobile phase by the autosampler a detector that has a detector cell provided downstream of the separation column and detects components in the eluent flowing through the detector cell, a plurality of sensors that measure physical quantities related to the chromatograph system, an analyzability determination unit that, during an analysis preparation period for performing sample analysis, determines whether or not the chromatograph system is in an unanalyzable state in which a detector signal output from the detector deviates from a threshold range set for the output signal during a predetermined time, and a cause identification unit configured to, when the analyzability determination unit determines that the chromatograph system is in the unanalyzable state, and when the sensors include an unstable sensor that outputs a value determined to be in an unstable state based on a preset criterion for each of the sensors, present information related to the unstable sensor to a user as a cause of the unanalyzable state.

A delta detector unit is configured to determine an average value of a signal parameter of an input signal of an automatic control system within a first time interval, determine an average value of the signal parameter of the input signal within a second time interval, determine a difference between the average value of the signal parameter within the first time interval, and the average value of the signal parameter within the second time interval, and, if the determined difference exceeds a defined first threshold or falls below a defined second threshold, instruct the automatic control system to adapt at least one parameter of a control algorithm of the automatic control system.

A ToF camera unit with improved distance measurement comprises a laser emitter emitting a modulated light signal and a sensor chip. The chip comprises a detector unit receiving a reflection of the emitted light signal at an object in the environment, a chip internal circuit modulating an intermediate signal with a defined intermediate signal frequency into a laser trigger signal from a clock signal with a defined clock signal frequency, a processing unit determining a distance between the ToF camera unit and the object in the environment. The ToF camera unit further comprises a further circuit with a first return path capturing a reference clock signal from the clock signal and a second return path capturing a reference laser trigger signal from the laser trigger signal and a time resolver detecting a time information of the reference clock signal and the reference laser trigger signal. The processing unit determines the distance between the ToF camera unit and the object in the environment based on the reference clock signal and the reference laser trigger signal and / or the time information of the reference clock signal and the reference laser trigger signal.

The invention relates to a scanning element and to an inductive position measuring device having the scanning element. The scanning element (1) comprises a multilayer circuit board (1.1) and an electronic assembly (1.2), the circuit board comprising a first detector unit (1.11) with a first receiver line (1.112) and a second detector unit (1.12) with a second receiver line (1.122). The circuit board has a geometric central plane (M) between the detector units (1.11, 1.12). The receiver lines (1.112, 1.122) comprise first and second receiver conductor paths (1.1121, 1.1221) each having a periodic course, the first receiver line (1.112) having a first gap (U1) delimited by the first receiver conductor path (1.1121) along which it extends. The second receiver line (1.122) has a second gap (U2) delimited by the second receiver conductor path (1.1221). The circuit board has a through-hole (1.15) arranged in the first gap and in the second gap.

A detector unit for use in a fire detection system is provided, comprising: a sensor for monitoring an environmental condition; an indicator for generating a visible indication; and a controller in connection with the sensor and the indicator, wherein the controller is configured to communicate with a fire alarm control panel of the fire detection system; wherein the controller is configured to operate the detector unit in a testing mode, the testing mode being for testing a response of the fire detection system to an environmental condition that is indicative of a fire; and wherein the controller is configured to cause the indicator to indicate an outcome of a test carried out on the detector unit when the detector unit is operating in the testing mode.

A device for determining vital signs of a user (8) is specified, the device comprising:-a radiation emitting unit (2) configured to emit radiation through a skin surface (80) of the user during operation of the device (1); a detector unit (3) which is sensitive to the radiation to be emitted by the radiation emitting unit (2); a temperature sensor (4); and-a controller unit (5) connected to the radiation emitting unit (2), the detector unit (3) and the temperature sensor (4); wherein-the radiation emitting unit (2) is configured to emit radiation at a plurality of peak emission wavelengths (29A, 29B,..., 29N); and-the controller unit is configured to select one of a plurality of peak emission wavelengths (29A, 29B,..., 29N) based on a temperature signal obtained from the temperature sensor (4). Furthermore, a method of determining a vital sign of a user (8) is specified.

An X-ray diffraction apparatus and method of processing signals from an X-ray diffraction apparatus are disclosed. By analysing a time delay between first and second pulses, generated by respective first and second detector cells, and by analysing an energy of each of the first pulse and the second pulse, charge sharing events and coincident photon events can be identified.

An electronic shelf label, which comprises:a display unit, which is designed for displaying image content, anda communication module, which is designed for wireless communication for the purpose of receiving image data, which represent the image content, and for transferring the image data to the display unit,whereina detector unit is provided, which is designed for detecting an incorrect positioning, which differs from a desired positioning, of the electronic shelf label, and for outputting an action signal when the incorrect positioning is detected, wherein the detector unit comprises a photodiode, and whereinthe electronic shelf label is designed to change the image content when the action signal is present.

The invention relates to an X-ray detection system comprising a detector unit (3) for generating an input signal (IS) on the basis of detected X-ray photons, and a signal processing device (11) for processing the input signal, in which the signal processing device (11) comprises:-input means for receiving the input signal (IS), -processing means for generating an output signal (OS) from the input signal (IS),-control means for influencing the input signal (IS),-the control means being capable of determining a statistical value of the output signal (OS), comparing the statistical value with a predetermined setpoint value, and influencing the input signal, such that a difference between the statistical value and the setpoint value in the output signal is reduced.

A system for helping an end-user locate a denture that can include a passive antenna configured to generate a resonant response by resonating at a resonance frequency when subjected to an external radio frequency signal. The system can include a portable detector unit configured to emit the external radio frequency signal and to detect the resonant response from the passive antenna. The portable detector unit can include a signal generator to generate and transmit the external radio frequency signal. A signal receiver can receive the resonant response from the passive antenna within the denture. A memory can include instructions and a controller can be coupled to the memory. The instructions can be configured to cause the processing circuitry to perform operations that can include determining, based on the resonant response, an indication of a location of the denture. Transmit guidance to direct the end user toward the denture.

The invention relates to a method and a device (2) for profilometry of an object surface (40) of a flat object (20) having an unknown material, the device comprising: an optical interferometric measuring system (4); an ellipsometric measuring system (5); a beamsplitter (82) for splitting a light beam of a light source (111) into an interferometric measuring light beam (410) and an ellipsometric light beam (420); and an evaluation unit configured to ascertain a profile height in a measurement region on the object surface (40) from an evaluation light beam (490) evaluated in a detector unit (250) of the interferometric measuring system and a sensor light beam (520) received in an ellipsometric sensor (220). The interferometric measuring system (4) comprises a beamsplitter (91), a reference mirror (60) and a detector unit (250). The ellipsometric measuring system (5) comprises: a polarizer (190) for polarizing the ellipsometric light beam (420) and passing it onto the measurement region on the object surface (40); and an ellipsometric sensor (220) with a polarization filter to determine the polarization state of the received sensor light beam.