57 results about "Detector cell" patented technology

The invention relates to an image capture device (102) comprising an optical unit (204) designed to direct light (206) onto a capture region (208), a sensor carrier (200) arranged at least partially in the capture region (208), an image sensor (202) for capturing an image using the light (206) directed onto the capture region (208), wherein the image sensor (202) is arranged on the sensor carrier (200) and in the capture region (208), and at least one detector unit (210) for detecting at least one property of the light (206) directed onto the capture region (208), wherein the at least one detector unit (210) is arranged adjacent to the image sensor (202) on the sensor carrier (200) and in the capture region (208).

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.

An OCT instrument comprising: an optical coupler which generates signal light and reference light from a swept narrowband light source; a detector which samples a time-varying interference signal based on the reference light and signal light returned from a sample; an adjustable optical frequency shifter which: generates a first sideband light by adjusting an optical frequency of the reference light, such that the detector unit samples a first time-varying interference signal resulting from an interference between the sideband light and the returned signal light; and maintains the optical frequency of the reference light such that the detector unit samples a second time-varying interference signal resulting from an interference between the reference light and the returned signal light. The OCT instrument generates a respective axial depth profile of the sample based on each of the sampled first time-varying interference signal and the sampled second time-varying interference signal.

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.

An optical system has a source-detector unit (SDU) and an optical arrangement. The SDU has a detector arrangement and an illumination arrangement that provides a point source that defines an output sub-region of a planar output-input region of the SDU. The optical arrangement is deployed between the SDU and an at least partially reflective surface. The point source outputs illumination from the output sub-region toward the at least partially reflective surface via at least one optical component of the optical arrangement. The detector arrangement forms an image from illumination from the point source that is reflected from the at least partially reflective surface and received at an input sub-region of the output-input region via at least one optical component of the optical arrangement. A component of the optical system is provided with an optical decenter in relation to a datum axis of the optical 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.

An optical detector unit (10) comprising an optical sensor (16) arranged in a chamber (14) having an aperture (18) in a housing (12), the optical sensor (16) being arranged to detect photons received through the aperture (18), where the optical sensor (16) comprises a plurality of sensor channels (44) arranged to receive photons through the aperture (18). Each channel (44) comprises a sensor pixel (38) and an optical filter (42) associated with the sensor pixel (38), each channel should be implemented to perform a UV index determination with higher accuracy and data reliability. According to the invention, this is achieved in that at least two of the channels (44), in one preferred embodiment, are designed for three channels as UVI measurement channels (44), each UVI measurement channel (44) having a spectral responsivity with a peak wavelength between 280 nm and 370 nm.

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.

A method for determining a flux of inspection radiation is provided, wherein the inspection radiation is emitted by a radiation source and transmitted through cargo, and wherein the flux of inspection radiation is incident on at least one array of detector cells. The detector cells are configured in a first plurality L forming rows of the array, each row of detector cells extending along a direction parallel to a depth direction of the array, the detector cells being further configured in a second plurality λ forming columns of the array, each column of detector cells extending along a direction parallel to a longitudinal direction of the array. The method includes obtaining signal data associated with each detector cell of the array, and determining the flux of the inspection radiation incident on row i, for each row i such as 1≤i≤L, based on the signal data for each detector cell.

The invention relates to an illumination apparatus (10a; 10b), in particular for a medical imaging device (11a) such as an endoscope, exoscope and / or microscope, comprising: - an illumination unit (14a; 14b) which comprises a group of illumination sources (16a, 18a, 36a, 38a, 62a; 16b, 18b, 36b, 38b, 62b) with a first illumination source (16a; 16b) and at least one second illumination source (18a; 18b) for the provision of at least one illumination, - a detector unit (80a; 80b) for determining at least one illumination property of the illumination, with the detector unit being arranged within the illumination apparatus in a beam path of the illumination light, and - a selection unit (60a; 60b) which is configured to allow illumination light of only a subgroup of the group of illumination sources (16a, 18a, 36a, 38a, 62a; 16b, 18b, 36b, 38b, 62b) onto at least one partial surface (70a; 70b) of a detector surface (72a; 72b) of the detector unit (80a; 80b).

The invention relates to an endoscopic detector system (11) having an optical fibre arrangement (1) comprising a multimode optical fibre (2) with an optical axis (3), a proximal end (4) and a distal end (5), and comprising a focusing element (6) arranged at the distal end of the multimode optical fibre (2). The endoscopic detector system (11) further comprises a detector unit (12) which is arranged at the proximal end (4) of the multimode optical fibre (2) and which is designed to separately detect light exiting the multimode optical fibre (2) at the proximal end (4) at one or more predetermined angles to the optical axis (3). The invention further relates to a composite optical fibre (1) and to an endoscopic system (19) which comprises the endoscopic detector system (11) and an illumination device (20). The invention further relates to a further endoscopic system (19) which comprises an illumination device (20) having a light modulator (24) and an optical fibre arrangement (1). The invention further relates to a method for examining a sample (22) by means of an endoscopic system (19).

This invention relates to a hybrid mass spectrometry apparatus. The mass spectrometry apparatus (100) for analyzing analyte samples includes: an ion source (1) from which a certain amount of analyte ions from the analyte sample can be obtained to provide an ion beam (7, 11); a mass analyzer (9) for filtering the analyte ions of the ion beam (7, 11) based on their mass-to-charge ratio; a first detector unit (A) for analyzing the ions of the ion beam (7, 11); and a second detector unit (B) based on the time-of-flight principle and including a second detector (15) for analyzing the ions of the ion beam (7, 11). The invention also relates to a method for analyzing analyte samples using the mass spectrometry apparatus (100) according to the invention.

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.

An optical detector unit (2) comprising an array (26) of photodetectors (28) grouped into a number of macropixels (60) such that each macropixel (60) is provided with a time-to-digital converter (66) to which output signals of the photodetectors (28) of the respective macropixel (60) may be delivered via a sequence of compression trees (76, 80, 104) shall be provided that helps overcome deficiencies caused by misaligned spots (62) of incoming radiation, and in particular should allow for reliable compensation of effects due to shifting of detected incoming light spots (62) on the sensor array (26). In accordance with the invention, this is achieved by that the photodetectors (28) of each macropixel (60) further are grouped into a number of zones (72) such that the photodetectors (28) of each zone (72) with respect to their signal outputs are jointly connected to a first level compression tree (76) associated with said zone (72), wherein said first level compression tree (76) with respect to its signal outputs is connected to the time-to-digital converter (66) of the respective macropixel (60) via a number of subsequent higher order compression trees (80, 104)), and wherein the first level compression tree (76) of a zone (72) of a macropixel (60) with respect to its output signal is connect-ed to the subsequent compression tree (104) of its macropixel (60) via an associated multiplexer (96) and further is switchably connected to a number of multiplexers (96) each associated with zones (72) of other macropixels (60).

A self-mixing interferometry sensor module for multilayer target detection includes a light emitter, a detector unit and an array of light detectors. The light emitter is operable to emit coherent electromagnetic radiation out of the sensor module, and undergo self-mixing interference (SMI) caused by reflections of the emitted electromagnetic radiation from layers of different depths of a multilayer target to be placed outside the sensor module. The detector unit is operable to generate an SMI output signal indicative of the SMI of the light emitter. Light detectors of the array are operable to generate auxiliary output signals indicative of a distribution of relative reflections of the emitted electromagnetic radiation from layers of different depths.