79 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.

An apparatus is disclosed, comprising a detector unit comprising a detector configured to detect an actuation action performable via the detector unit to an actuation button of a medical device to cause the medical device to eject at least a portion of a medicament comprised in the medical device. The detector is configured to detect the actuation action based on a detection of a force and / or a touch applied to the detector unit as part of the actuation action. The apparatus further comprises an electric unit connected to the detector and configured to store and / or provide information related to the detected actuation action. Furthermore, an according method and a computer program for controlling this method are disclosed.

The utility model discloses a small microplate reader based on dichroscopes, which comprises a lighting device, a receiving device and a detection device, the lighting device comprises four emission sources with different wavelengths and three dichroscopes with different transmittances, and the four emission sources can respectively generate a plurality of light beam paths with different wavelengths through the dichroscopes with different transmittances; the light beams serve as transmission light beam paths to penetrate through the receiving device to reach each detector unit of the detection device, the receiving device is used for placing the microwell plate, and cavities with corresponding positions and quantity are formed in the microwell plate corresponding to the positions and quantity of the transmission light beam paths and are used for containing samples to be detected. According to the microplate reader disclosed by the utility model, the inspection of different samples by one microplate reader with different wavelengths can be realized through the dichroscope, so that the influence of stray light on the inspection is reduced to the minimum, at least four light beams with different wavelengths can be provided, and complicated processing and larger volume are not needed; the microplate reader is miniaturized, and the manufacturing cost is saved.

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

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 invention relates to a sensor unit (100) comprising a first waveguide (105) and a first ring resonator (115) coupled to the first waveguide (105) by means of a first coupling point (110). Furthermore, the sensor unit (100) comprises a second ring resonator (125) coupled to the first ring resonator (115) by means of a ring coupling point (120). The sensor unit (100) also comprises a second waveguide (135) coupled to the second ring resonator (125) by means of a second coupling point (130). Finally, the sensor unit (100) comprises a detector unit (140, 145) having a first detector (140) for detecting states on the first waveguide (105) and a second detector (145) for detecting states on the second waveguide (135).

The invention relates to the technical field of heavy water concentration measurement, in particular to an infrared spectrum heavy water concentration measuring instrument which comprises a sample dilution unit, a temperature control unit, a light path unit, a colorimetric pool unit and a detector unit. Injecting the mixed sample into a colorimetric pool unit; the colorimetric pool unit comprises a standard solution colorimetric pool and a sample colorimetric pool, and the sample colorimetric pool is used for heavy water concentration detection; the temperature control unit is used for controlling the temperature of the sample dilution unit and the colorimetric pool unit; the light path unit is used for emitting infrared light to the sample colorimetric pool; and the detector unit is used for controlling the functions of other units and detecting the concentration of the heavy water sample in the sample colorimetric pool. The device realizes the functions of automatically analyzing the heavy water concentration, controlling the heavy water concentration measurement temperature, automatically calibrating the device by adopting a standard sample solution and the like.

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.

The invention describes a method for determining a protection factor, the method comprising a spectral measurement having the following method steps: emitting radiation from a beam source, the emitted radiation comprising light at a radiation wavelength between 280 nm and 2000 nm; irradiating the measurement body with the emitted radiation; detecting radiation diffusely reflected by the irradiated measurement body at a detection wavelength; a protection factor of the protection means is evaluated from the diffusely reflected radiation and the transmission spectrum at an evaluation wavelength, the data of the transmission spectrum being used to evaluate the protection factor of the protection means, the evaluation wavelength being different from the wavelength range of the radiation wavelength and / or the detection wavelength, and the data of the transmission spectrum being electronic data. The invention also describes an SPF evaluation system for checking a protection factor of a protection means, comprising the following components: a measuring device having a light beam source arrangement comprising a light beam source, a detector unit; a control unit for controlling the measuring device; and an evaluation unit.

An optoelectronic device for detecting a gas is specified. According to one embodiment, the optoelectronic device (1) for detecting a gas comprises a radiation-emitting element (4) configured for emitting an electromagnetic radiation, a measurement unit (5) comprising a measurement region (51) and a reference region (52), and a detector unit (6) comprising at least a first photodetector region (61) and a second photodetector region (62), wherein the measurement region (51) is arranged in a first beam path of the electromagnetic radiation between the radiation-emitting element (4) and the first photodetector region (61), wherein the reference region (52) is arranged in a second beam path of the electromagnetic radiation between the radiation-emitting element (4) and the second photodetector region (62), and wherein the optoelectronic device (1) is surface mountable. In particular, the radiation-emitting element (4) comprises a micro-LED.

The invention specifically discloses a soft and hard combined optimization-based on-chip spectral imaging system integration error suppression method, and relates to the technical field of spectral imaging. The error suppression method comprises the following steps: S1, designing an inner ring square unit structure of a coding optical filter, enabling the inner ring square unit structure to be in one-to-one correspondence with detector pixels, and preparing the optical filter through a semiconductor process; s2, jointly optimizing optical filter structure parameters and a spectrum reconstruction model through an end-to-end deep learning framework, and inhibiting registration errors; and S3, optimizing the arrangement mode of the optical filters by adopting a simulated annealing algorithm, and minimizing the spectral difference of adjacent optical filters. According to the soft and hard combined optimization on-chip spectral imaging system integration error suppression method provided by the invention, the compact integration of the system is ensured, the influence of the registration error on the spectral imaging system is remarkably reduced, and a brand new solution is provided for the high-precision application of on-chip calculation spectral imaging.

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).

A detection system includes a detector unit capable of detecting whether a current is active in an environment in a vicinity of a worker or other user, whether a voltage is active in the environment in the vicinity of the worker or other user, and / or whether a fall event associated with the worker or other user has occurred. The detector unit includes a status indicator with at least one characteristic of the status indicator changing in response to detection of one or more such events as a method of signaling or warning the worker or other user regarding the detected event. The detector unit may be independently wearable or carryable by the worker or other user and / or may interface with a receiver coupleable to equipment of the worker or other user. The detector units may be in communication with each other and with other devices within a worksite safety system.