12results about "Calibration apparatus" patented technology

Calibration instrument (1) for a leak detection device, comprising a casing (3), one or more fluidic devices (4, 5, 6), one or more connecting pieces (51), and one or more fastening elements, each of the fluidic devices (4, 5, 6) comprising a conduit and a pressure-reducing element disposed in the conduit so as to limit the flow of a fluid between a first part of the conduit and a second part of the conduit, the connecting piece(s) (51) being configured to maintain one or more of said fluidic devices (4, 5, 6) in position relative to the casing (3), the fastening element(s) being configured to reversibly fix the connecting piece(s) (51) to the casing (3). Figure for the abbreviation: Fig. 2

The application discloses a two-rotary-freedom-degree synchronous control precision rotary table device and an error compensation method, and belongs to the technical field of precision measurement and instrument technology. The device is composed of an X-axis rotary control unit I, a Y-axis rotary control unit II and a position and posture measurement and control unit III. The X-axis and Y-axis rotary control units are independent of each other, and can realize the synchronous precise control of two-freedom-degree rotation. The position and posture measurement and control unit can realize zero position calibration, rotation compensation and device tensioning. The application also provides the two-rotary-freedom-degree synchronous control precision rotary table device and the error compensation method. The displacement deviation value is converted into a rotary compensation value through a linear grating ruler, and a new method is adopted to compensate the transmission error and the back-lash caused by multi-stage transmission, so as to overcome the insufficient precision of two-freedom-degree rotation synchronous control and the miniaturization problem of the precision rotary table device.

Calibration instrument (1) for a leak detection device, comprising a casing (3), one or more fluidic devices (4, 5, 6), one or more connecting pieces (51), and one or more fastening elements, each of the fluidic devices (4, 5, 6) comprising a conduit and a pressure-reducing element disposed in the conduit so as to limit the flow of a fluid between a first part of the conduit and a second part of the conduit, the connecting piece(s) (51) being configured to maintain one or more of said fluidic devices (4, 5, 6) in position relative to the casing (3), the fastening element(s) being configured to reversibly fix the connecting piece(s) (51) to the casing (3). Figure for the abbreviation: Fig. 2

A method for improving the performance of sensors (20) comprising: capturing a first image by a first sensor (20) on a first platform (30) and programmed according to a first configuration of the first sensor; determining, by a first processing block (30) on the first platform (10), based on the first captured image, the location and size of an object detected on said first image; capturing a second image including said object by a second sensor (20) on a second platform and programmed based on the location and size of an object detected on said first image; determining, by the second processing block (30), based on the second captured image, the location and size of said object detected on said second image; evaluating the sizes and locations and selecting, based on this evaluation, one of the two sets of location and size;triggering the programming, according to a second configuration depending on the selection, of the first and second sensors (20) not programmed according to the selection and capture of a new image by said sensor thus programmed.;

Fluidic device (20) for a calibration instrument of a leak detection device, this fluidic device (20) comprising a conduit (21) and a pressure-reducing element (25) disposed in the conduit (21) to limit the flow of a fluid between a first portion (21A) of the conduit and a second portion (21B) of the conduit, the first portion (21A) of the conduit forming a first end of the fluidic device (20), the second portion (21B) of the conduit forming a second end of the fluidic device (20), the fluidic device (20) being configured so that each end of the fluidic device (20) can selectively form a connection end or an exhaust end. Figure for the abbreviation: Fig. 6

A computer-implemented method for simulating a response from a fluence test card (3) to a laser device (5) is presented, comprising selecting shot pattern information (101i); reading aperture information (103i); reading laser power information (105i); calculating or calling a mathematical model (M); determining a fluence distribution (100) from the shot pattern information (101i) and the laser power information (105i) using the mathematical model (M); and providing the determined fluence distribution (100). Furthermore, a method for determining and displaying at least one fluence distribution (100) and a data processing device (91) for performing these methods, as well as a computer program product and a data signal, are described. Finally, a fluence test device (1) and a laser processing system (5) for performing the methods are presented.

The present invention keeps track of the cumulative absolute drift of a measurement device, in connection with calibration actions performed by a calibrator. Measurement results are saved (22) in each measurement instant, and if they exceed a threshold value (23), an adjustment step is performed (24). Irrespective of the adjustment steps, the latest drift value (25) during the latest calibration interval is summed (26) with the previous cumulative drift value. The cumulative drift value, i.e. AbsDrift, is saved to a server, from where it can be illustrated visually (27). If there is an uncommon pattern or large cumulative drift present, an indication or alarm (28) can be sent to the user of the calibrator.

The invention relates to a device (1) for generating airborne shock waves in the form of aperiodic peak-depression signals for the dynamic characterization of pressure sensors, comprising an air burster equipped with a pair of electrodes (2) and a system (3) for overvoltaging the electrodes to produce ignition between them, the ignition leading to the generation of a shock wave by air breakdown. Figure for the abstract: Figure 1

The invention refers to the fields of materials science and metrology and relates to calibration bodies as usable in analytical spectroscopy, for example. The problem addressed by the present invention is therefore that of producing electrically conductive calibration bodies, in particular for calibration of hydrogen measurement devices. The calibration bodies can be provided in large numbers, easily and inexpensively. The problem is solved by calibration bodies, in particular for calibration of hydrogen measurement devices, at least consisting of an electrically conductive porous sintered body, with an essentially homogeneous distribution of pores and / or defect sites, for example dislocations, stacking defects and / or twinned structures, in the sintered body, in which an adjustable hydrogen concentration is present depending on the number and size of the pores and / or defect sites in the sintered body, wherein the hydrogen is in physically and / or chemically bonded form in and / or at the surface of the pores and / or defect sites, and wherein the set hydrogen concentration in the calibration body decreases in the amount specified in each case over time.

Fluidic device (20) for a calibration instrument of a leak detection device, this fluidic device (20) comprising a conduit (21) and a pressure-reducing element (25) disposed in the conduit (21) to limit the flow of a fluid between a first portion (21A) of the conduit and a second portion (21B) of the conduit, the first portion (21A) of the conduit forming a first end of the fluidic device (20), the second portion (21B) of the conduit forming a second end of the fluidic device (20), the fluidic device (20) being configured so that each end of the fluidic device (20) can selectively form a connection end or an exhaust end. Figure for the abbreviation: Fig. 6