Abstract: A system and method for measuring three-dimensional (3D) coordinate values of an environment is provided. The method including moving a 2D scanner through the environment. A 2D map of the environment is generated using the 2D scanner. A path is defined through the environment using the 2D scanner. 3D scan locations along the path are defined using the 2D scanner. The 2D scanner is operably coupled to a mobile base unit. The mobile base unit is moved along the path based at least in part on the 2D map and the defined path. 3D coordinate values are measured at the 3D scan locations with a 3D scanner, the 3D scanner being coupled to the mobile base unit.

Abstract: Optical encoders and methods of determining rotational movement are provided. The optical encoders include an encoder disk having a patterned signal track comprising a plurality of optically detectable elements disposed on a periphery of the encoder disk, wherein each optically detectable element is associated with a bit in a binary sequence, wherein each bit has a predefined bit depth, a boundary dividing the patterned signal track into at least two sub-regions, wherein each sub-region comprises a subset of the optically detectable elements, at least one sensor arranged to detect an optical signal associated with at least one optically detectable element, and a controller in communication with the at least one sensor, the controller configured to determine an angular position of the encoder disk, wherein the controller determines the angular position based on a detected binary sequence, a detected sub-region, and a look-up-table.

Abstract: A three-dimensional (3D) measuring system and a method of determining a distance is provided. A three-dimensional (3D) measuring system includes a master part having a first base part and a first part-under-test including a second base. A photogrammetry camera images the master part to generate two-dimensional (2D) images. A first 3D imager determines 3D coordinates in a first imager frame of reference. A second 3D imager determines 3D coordinates in a second imager frame of reference. The system determines in a system frame of reference a first pose of the first imager and a second pose of the second imager. The system is further configured to determine 3D coordinates of the first part-under-test in the system frame of reference.

Abstract: A system and method of automatic re-localization of a handheld scanning device in a previously mapped environment is provided. The system includes a two-dimensional (2D) scanner and one or more processors operably coupled to the 2D scanner. The one or more processors are responsive to non-transitory executable instructions for performing operations that include determining a current location of the 2D scanner in an environment relative to a location in a previously generated 2D image of the environment. The operations also include generating a new 2D image of at least a subset of the environment based at least in part in response to a signal from a first sensor. The at least a subset of the environment includes the current location of the 2D scanner and at least one other location in the environment. The operations further include overlapping portions of the previously generated 2D image and the current 2D image.

Abstract: Rotary assemblies for arm segments of an articulated arm coordinate measuring machines are provided. The rotary assemblies include a drive assembly having an output shaft passing therethrough. The drive assembly includes a motor subassembly and an output subassembly having a gear assembly and a shaft engagement element. The motor subassembly is configured to drive the gear assembly and the shaft engagement element to drive the output shaft. In some embodiments, a motor controller is operably coupled to the motor subassembly. The motor assembly provides a torque on an arm segment about a second axis in response to a signal from the motor controller.

Abstract: A system and method of generating a two-dimensional image of an environment is provided. The system includes a 2D scanner that comprises a light source, an image sensor and a controller. The controller determines a distance value to at least one of the object points. An inertial measurement unit is coupled to the scanner and has a first sensor. The first sensor has a first characteristic. A mobile computing device is removably coupled to the 2D scanner, the mobile computing device having a second sensor, the second sensor having a second characteristic. Processors are provided that are responsive to compare the first characteristic and the second characteristic and select one of the first or second sensor based on the comparison. The processors are further generate an image of the environment based on a signal from the selected first or second sensor.

Abstract: A method displays images of a scene with restrictions. The method includes measuring a first plurality of 3D coordinates and a second plurality of 3D coordinates with a 3D measuring instrument at a first position and a second position. The first plurality of 3D coordinates and the second plurality of 3D coordinates are registered together in a common frame of reference. A trajectory is defined within the scene that includes a plurality of trajectory points, the plurality of trajectory points including a first trajectory point and a second trajectory point. At least one restriction is defined at the first trajectory point. A plurality of 2D images are generated at each trajectory point, a first 2D image is associated with the first trajectory point. The first 2D image is changed based on the at least one restriction. The first 2D image is displayed on a display device.

Abstract: One or more embodiments are described for generating a two dimensional map of an environment using a set of submaps that include point clouds of the environment that are captured using multiple scanner systems that move independently from one position to another in the environment. Each 2D scanner system steers a beam of light within a first plane to illuminate object points in the environment, and a controller determines a distance value to at least one of the object points. The 2D submaps of the environment are generated based on an activation signal from an operator and based at least in part on the distance value, each submap generated from a respective point in the environment and by a respective 2D scanner system. A central processor generates the 2D image of the environment using the 2D submaps.

Abstract: A laser projector steers an outgoing beam of light onto an object, passing light returned from the object through a focusing lens onto an aperture rigidly coupled to an optical detector.

Abstract: A dimensional measuring device includes an overview camera and a triangulation scanner. A six-DOF tracking device tracks the dimensional measuring device as the triangulation scanner measures three-dimensional (3D) coordinates on an exterior of the object. Cardinal points identified by the overview camera are used to register in a common frame of reference 3D coordinates measured by the triangulation scanner on the interior and exterior of the object.

Abstract: A three-dimensional (3D) scanner having two cameras and a projector is detachably coupled to a device selected from the group consisting of: an articulated arm coordinate measuring machine, a camera assembly, a six degree-of-freedom (six-DOF) tracker target assembly, and a six-DOF light point target assembly.

Abstract: A laser tracker system and method of operating the laser tracker system is provided. The laser tracker system includes a laser tracker device and a mobile computing device, each coupled for communication to a computer network. The mobile computing device includes processors that are responsive to computer instructions to perform a method. The method includes identifying the laser tracker device on the computer network. Selecting the first laser tracker device. Connecting to the laser tracker device to transmit signals therebetween via the computer network in response to an input from a user. Then causing the laser tracker device to perform one or more control functions in response to one or more second inputs from the user, wherein at least one of the one or more control functions includes selecting with the mobile computing device a retroreflective target and locking a light beam on the retroreflective target.

Abstract: Imaging devices and mirror assemblies for imaging devices are provided. The mirror assemblies include a first portion having a first cut face and formed of a transparent material, a second portion having a second cut face and formed of the transparent material, wherein the second cut face is assembled to the first cut face form a main body, and at least one reflective surface positioned between the first and second cut faces.

Abstract: A calibration plate and a method of calibrating a 3D measurement device is provided. The calibration plate includes a planar body having a surface. A plurality of marks are arranged on the surface. The plurality of marks being configured to be recorded by the camera and can be identified in the resulting recorded images during operation of the 3D measurement device. A mirror is positioned on the surface that reflects incident beams from the 3D measurement device.

Abstract: A triangulation scanner system and method of operation is provided. The system includes a projector that projects a first pattern of light at a first light level during first time intervals and project the first pattern of light at a second light level during second time intervals, the second light level being different than the first light level. A first camera has a first photosensitive array, the first photosensitive array having a first pixel with an optical detector, a first memory, and a second memory. The first memory storing a first stored signal from the optical detector during the first time intervals, the second memory storing a second signal from the optical detector during the second time intervals. A processor determines three-dimensional coordinates of the first point based at least in part on the projected first pattern of light, the first stored signal, and the second stored signal.

Abstract: A system and method of measuring 3D points is provided. The method includes defining a first frame of reference with a mobile computing device. A second frame of reference is defined with a mobile 3D measurement device. The mobile computing device is moved within a predetermined distance of the mobile 3D measurement device. The first frame of reference and the second frame of reference are registered when the mobile computing device is within the predetermined distance from the mobile 3D measurement device. The mobile computing device is moved along a path to define a trajectory in the first frame of reference. The trajectory is transmitted to the mobile 3D measurement device. The mobile 3D measurement device is moved along the trajectory in response to receiving the trajectory. 3D coordinates of point on an object are acquired with the mobile 3D measurement device.

Abstract: A three-dimensional (3D) forensic evidence system is provided. The system includes a noncontact measurement device operable to measure a distance from the device to a surface. A first camera is operably coupled to the noncontact measurement device, the first camera having a field of view. A light source is operably coupled to the first camera and operable to emit light onto the surface within the field of view. A processor operably is coupled to the first camera, the processor operable to execute computer instructions when executed on the processor for determining 3D coordinates of at least one point in the field of view based at least in part on the distance, and assigning at least one color value to the at least one point in response to determining an interaction of a predefined wavelength of light with a substance in the field of view.

Abstract: A system and method of generating a two-dimensional (2D) image of an environment is provided. The system includes a housing having a body and a handle. A 2D scanner is disposed in the body and has a light source, an image sensor and a controller, the light source steers a beam of light within a first plane to illuminate object points in the environment. The image sensor is arranged to receive light reflected from the object points and the controller determines a distance value to at least one of the object points. An inertial measurement unit is provided having a 3D accelerometer and a 3D gyroscope. One or more processors are responsive to executable instructions for generating a 2D image of the environment in response to an activation signal from an operator and based at least in part on the distance values and the signal.

Abstract: According to one or more embodiments, a system of generating a two-dimensional (2D) image of an environment includes a 2D scanner system that includes a measurement device that is mounted to a first body equipment of an operator and one or more processors that are mounted to a second body equipment of the operator. The measurement device includes a light source, an image sensor, and a controller to determine a distance value to one or more object points. The processors generate a 2D submap of the environment in response to an activation signal from the operator and based at least in part on the distance value, each submap generated from a respective point in the environment. Further, the processors generate a 2D image of the environment using multiple 2D submaps.

Abstract: A processor and projector images a coded projector pattern of light on a portion of an object providing a first coded surface pattern of light, images a first sequential projector pattern of light on another portion of the object providing a first sequential surface pattern of light, and images a second sequential projector pattern of light on the other portion providing a second sequential surface pattern of light. A camera forms a first coded image of the first coded surface pattern of light and generates a first coded array, forms a first sequential image of the first sequential surface pattern of light and generates a first sequential array, forms a second sequential image of the second sequential surface pattern of light and generates a second sequential array. The processor determines a correspondence between the camera and projector, and measures three-dimensional coordinates of the object.