Position and Presence Sensing
Position and Presence Sensing within Sensors, Controls & Machine Vision.
Category CAT-000000245
Subcategories
Publications
- OT-2026-000000442
A cable length measurement device, configured to: be connected a winding wheel and measure an extension or retraction length of a cable on the winding wheel, which includes a fixed shell, a rotating shell and a control panel. The rotating shell is rotatably connected to the fixed shell. The rotating shell is configured
- OT-2026-000000436
There is provided a computer-implemented system for measuring a bulb diameter of an installed one-sided fastener in a structure. The system includes the structure and the installed one-sided fastener installed in the structure. The installed one-sided fastener has a fastener bulb with the bulb diameter. The system incl
- OT-2026-000000423
The invention describes a novel optical coherence tomography probe allowing polarization control of the beam impinging and polarization analysis of the beam reflected from the sample, allowing polarization characterization of the reflectance of the measured sample.
- OT-2026-000000399
A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls
- OT-2026-000000398
A semiconductor-graphene heterojunction quad-detector pairs a semiconductor material with curved graphene strips in a quad-cell design. Graphene has been shown to have exceptional electrical properties that enhance the operation of semiconductor photodetectors. These properties address limitations of current semiconduc
- OT-2026-000000387
In accordance with some embodiments, systems and methods are provided for training a neural network using simulated data so that the neural network can determine correspondence between a projection pattern and an image of the projection pattern shone onto the surface of an object. The trained neural network can be used
- OT-2026-000000378
An FBG curvature sensing test device and a test method thereof are provided. The test device includes a test platform, an FBG demodulator, and a computer. The test platform includes an optical plate and two constraint components, test pieces are connected between two constraint components, where the constraint componen
- OT-2026-000000321
A monitoring system for monitoring wear and usage along a portion of a wear surface for earth moving equipment includes a monitoring assembly to detect a characteristic pertaining to wear or usage in a wear part for excavating equipment and transmit the detected characteristic as information, wherein the monitoring ass
- OT-2026-000000310
According to an example embodiment, an optical sensor apparatus ( 110 ) for determining at least one characteristic of a surface of an object ( 180 ) positioned within a measurement range is provided, the sensor apparatus ( 100 ) comprising: an illumination assembly ( 120 ) comprising one or more light sources ( 121, 1
- OT-2026-000000303
A method of calibrating an apparatus configured to perform optical coherence tomography to measure depth of an article of a prescribed type comprises (a) using an existing measurement system configured to measure depth, measuring a sample of the article to obtain reference depth measurements; b) using the optical coher
- OT-2026-000000302
A device and a method for capturing the surface of a rotation body for a printing press, being a cylinder, a roller, a sleeve for a cylinder or roller, or a sleeve for a cylinder or roller having a printing form, include a motor rotating the body around an axial axis, a light source illuminating an area of the surface
- OT-2026-000000299
A system and a method for synchronously detecting thickness and double-side surface profiles that belongs to the technical field of optical measurement. The system includes a light source system, a deflection reflection system, a camera acquisition system, and a processing system. The deflection reflection system inclu
- OT-2026-000000275
A pipe alignment device includes a first pipe that has an outer wall and a second pipe that has an outer wall. Each of the first pipe and the second pipe is insertable into a fitting for joining the first pipe to the second pipe. An alignment jig is included which has a pair of planar alignment edges and a cutout exten
- OT-2026-000000268
A coordinate measuring machine (CMM) for determining at least one spatial coordinate of a measurement point on an object, the CMM comprising a structure comprising a base and a plurality of frame elements, wherein a probe head is attached to one of the frame elements and movable relative to the base, wherein the CMM co
- OT-2026-000000262
A thin film thickness measuring apparatus includes: an ultrasonic retroreflector that is provided under a test object formed in the shape of a thin film and retroreflects an ultrasonic wave incident through the test object; an ultrasonic wave input portion that is provided on one side of the test object and inputting a
- OT-2026-000000197
The present disclosure relates to relates to a system and method for measuring a real-time three dimensional shape using a diagonal fringe pattern. Particularly, in the deflectometry applied to real-time three dimensional shape measurement of freeform surfaces, a system for acquiring a real-time three dimensional phase
- OT-2026-000000175
Systems and methods are provided for monitoring properties of a web during a roll-to-roll manufacturing process. The methods may include moving the web past a first roller such that the web contacts the first roller, wherein the first roller includes a first contact strip formed of an electrically conductive material a
- OT-2026-000000167
A low coherence interferometer imaging system includes an imaging engine generating a reference beam and an object beam, a first beam splitting element, reference ends, a sample end, and optical imaging modules arranged at the sample end. The first beam splitting element is disposed on an optical path of the reference
- OT-2026-000000161
A 2D area array camera-line laser 3D sensor joint calibration method, comprising: establishing a 3D coordinate system of the line laser 3D sensor, and obtaining 3D coordinates of a light bar point on the 2D area array camera; placing a target at a common measurement position, and allowing the 2D area array camera to ac
- OT-2026-000000155
A system for inline measurement of gap width and flush depth of adjacent surfaces of a vehicle continuously moving longitudinally relative to the system comprises at least one laser source, at least one image sensor, and a processor configured to perform measurements within a predetermined cycle time. The processor con
- OT-2026-000000150
A drift device, including a cylindrical main body having a hollow inner cavity, a front portion including a channel configured to receive a bumper, the cross bar including a central indentation, and a rear portion. The rear portion may include a plurality of openings or selectively removable panels. The cylindrical mai
- OT-2026-000000144
There is provided a measuring tool attachment cover that combines ease of holding and performance (for example, heat insulation). An attachment cover includes a front face layer 110 , a rear face layer 120 and an intermediate layer 130 . The front face layer 110 and the rear face layer 120 are compact layers with low p
- OT-2026-000000134
A high-dispersion retroreflector includes filter glass transparent at least in near infra-red (NIR) wavelengths and configured to cause differential dispersion of incident broadband low-coherent light in the at least NIR wavelengths.
- OT-2026-000000129
A wide field-of-view sensor or projector includes a transparent substrate with one or more apertures on one side, and one or more chip stacks joined to the opposite side. Each chip stack includes a flat optics layer (e.g., metasurface), at least one spacer layer, an optional filter layer, and either an image sensor or
- OT-2026-000000126
A detector device for ceramic tiles or slabs that includes a resting plane provided with a longitudinal direction and a laser emitter arranged to emit a flat laser beam on the resting plane so as to illuminate a detection line on the resting plane. The laser beam lies on a plane having a first inclination with respect
- OT-2026-000000119
Methods and apparatus for verifying alignment between an opaque shadow ring and a substrate are provided. In some embodiments, the apparatus includes a tool comprising: a transparent ring having an inner edge defining a central opening and an outer edge and having a top side and a bottom side; a gauge mark on or in the
- OT-2026-000000114
A method includes: installing a square calibration master on a table, and measuring each of measurement surfaces A, B, and C of the square calibration master by a position measurement sensor attached to a main spindle; calculating a first squareness between the measurement surfaces A and B; calculating a second squaren
- OT-2026-000000048
This disclosure describes a system for dynamically adjusting the muting window of a light curtain based on conveyor speed. The arrangement addresses the limitations of fixed muting windows, which can either create unsafe conditions by allowing personnel access behind slow-moving objects or cause nuisance trips with fas
- OT-2026-000000032
This disclosure describes a system for anti-sway control in crane operations, addressing the challenge of load oscillation caused by varying rope lengths. The system utilizes real-time measurements of rope angle and length to dynamically generate an acceleration and deceleration profile for the crane's load-carrying me
- OT-2026-000000025
This disclosure describes an arrangement for verifying the tool centre point (TCP) of a robotic manipulator using a three-plane touch routine against a fixed reference artefact. The method addresses inaccuracies arising from tool changes, damage, or mounting variations, which can silently shift the TCP and compromise p
- OT-2026-000000005
An arrangement for a cross belt sorter synchronizes article induction with carrier movement. This system utilizes a high-resolution encoder to precisely track carrier positions on a continuous loop. Induction timing is dynamically calculated based on the detected pitch of carriers, ensuring articles are released only w
- OT-2026-000000004
This disclosure describes an arrangement for singulating overlapping parcels on a conveyor system by employing differential roller speeds. Parcels arriving side-by-side or in an overlapped configuration, which prevents individual identification and sorting, are presented to a singulation zone. Within this zone, transpo