Abstract: Object path planning in a sorting facility is disclosed, including: obtain data describing a trajectory associated with a target object; generate a control signal for a sorting device to perform a sorting operation on the target object based at least in part on the trajectory associated with the target object; and provide the control signal to the sorting device, wherein the sorting device is configured to execute the control signal with respect to the target object.

Abstract: Pick quality determination is disclosed, including: using a pressure meter to sense a pressure associated with an airflow through a gripper mechanism of a diverting mechanism over time during a pick operation on a target object; storing the sensed pressure associated with the airflow through the gripper mechanism over time as a pressure sequence associated with the pick operation on the target object; and correlating the pressure sequence with representative pressure sequences associated with corresponding pick quality types to determine whether the pick operation on the target object was successful or not.

Abstract: A method or system for managing autonomous vehicle operations includes receiving inputs including a task command for an autonomous mobile machine, determining an expected travel trajectory for the autonomous mobile machine to perform the task command, and determining an actual travel trajectory of the mobile machine during performance of the task command. The method or system further includes comparing the actual travel trajectory to the expected travel trajectory, and identifying an incident limiting factor responsible for a deviation between the actual travel trajectory and the expected travel, wherein comparing the actual travel trajectory is repeated at predetermined intervals during performance of the task command.

Abstract: An image light guide system including an image light guide having a first surface and a second surface opposite the first surface, an in-coupling diffractive optic operable to couple image-bearing light beams into the image light guide, an out-coupling diffractive optic operable to direct at least a first portion of the image-bearing light beams from the image light guide toward an eyebox and direct a second portion of the image-bearing light beams from the image light guide away from the eyebox, and an interference filter configured to reflect at least a sub-portion of the second portion of the image-bearing light beams and direct the sub-portion of the second portion of the image-bearing light beams towards the eyebox.

Abstract: An image light guide including a surface having a coating, a first plurality of diffractive features arranged in the coating, and a second plurality of diffractive features arranged in the coating. Wherein at least one of the first and second pluralities of diffractive features comprise a sub-wavelength stepped pattern configured to diffract incident light as if the stepped pattern diffractive features were linear diffractive features.

Abstract: A virtual image display apparatus including a projector operable to direct image-bearing light beams along a projection axis, a waveguide having an in-coupling diffractive optic and an out-coupling diffractive optic, wherein the waveguide is oriented at an obtuse angle with respect to the projection axis, and an optical coupler configured to receive the image-bearing light beams along the projection axis, reorient the projection axis to an acute angle of incidence with respect to the waveguide, rotate the image-bearing light beams from a first orientation to a second orientation with respect to the projection axis, and direct the rotated image-bearing light beams along the reoriented projection axis to the in-coupling diffractive optic.

Abstract: An image light guide system for conveying a virtual image including a first waveguide and a second waveguide. A first in-coupling diffractive optic formed along the first waveguide and operable to diffract a first set of image-bearing light beams into the first waveguide in an angularly encoded form. A second in-coupling diffractive optic formed along the first waveguide and operable to diffract a second set of image-bearing light beams into the first waveguide in an angularly encoded form. A first out-coupling diffractive optic formed along the first waveguide and operable to expand at least a portion of the first and second sets of image-bearing light beams and direct the expanded image-bearing light beams from the first waveguide in an angularly decoded form. A first intermediate diffractive optic formed along the first waveguide and operable to direct the second set of image-bearing light beams to the first out-coupling diffractive optic.

Abstract: Object path planning in a sorting facility is disclosed, including: obtain data describing a trajectory associated with a target object; generate a control signal for a sorting device to perform a sorting operation on the target object based at least in part on the trajectory associated with the target object; and provide the control signal to the sorting device, wherein the sorting device is configured to execute the control signal with respect to the target object.

Abstract: Pick quality determination is disclosed, including: using a pressure meter to sense a pressure associated with an airflow through a gripper mechanism of a diverting mechanism over time during a pick operation on a target object; storing the sensed pressure associated with the airflow through the gripper mechanism over time as a pressure sequence associated with the pick operation on the target object; and correlating the pressure sequence with representative pressure sequences associated with corresponding pick quality types to determine whether the pick operation on the target object was successful or not.

Abstract: A refrigerant composition includes R1132(E) refrigerant, a second refrigerant, and a third refrigerant. The second refrigerant is one of R1234ze(E) refrigerant, R134a refrigerant, or R1234yf refrigerant. The third refrigerant is one of R32 refrigerant, R1132a refrigerant, R1123 refrigerant, and CO2. The refrigerant composition has a GWP of at or about or less than 750. A method of making a refrigerant composition for an HVACR system includes mixing an amount of R1132(E) refrigerant, an amount of a second refrigerant, and an amount of a third refrigerant. A method of retrofitting an HVACR system having an existing refrigerant composition includes adding at least one of R1132(E) refrigerant, a second refrigerant, and a third refrigerant to the existing refrigerant composition to obtain a retrofit refrigerant composition.

Abstract: An image light guide having a planar waveguide including a transmissive substrate having a first refractive index and at least one outer layer of transmissive material having a second refractive index, wherein the second refractive index is higher than the first refractive index. The transmissive substrate including a front surface and a back surface, wherein the at least one outer layer of a transmissive material is engaged with at least one of the front and back surfaces of the transmissive substrate. The image light guide further including at least one of an in-coupling optic and an out-coupling optic formed in or on the at least one outer layer of transmissive material, wherein the at least one of the in-coupling optic and the out-coupling optic is operable to couple image-bearing light beams into or out of the planar waveguide, respectively.

Abstract: A method of fabricating a substrate includes providing a substrate having a flat surface and a beam writing system operable to write in a first direction and a second direction, wherein the second direction is perpendicular to the first direction, The method further includes providing a diffraction grating layout pattern having a first diffraction grating, a second diffraction grating, and a third diffraction grating. The method also includes locating the substrate in the beam writing system, whereby the beam writing system is operable to write into the flat surface, and aligning one of the first, second, and third diffraction gratings parallel with the beam writing system first direction. Additionally, the method includes writing the diffraction grating layout pattern into the substrate flat surface via the beam writing machine.

Abstract: An imaging light guide for conveying a virtual image comprises a first planar waveguide. The first planar waveguide includes first and second co-located in-coupling diffractive optics. each comprising a plurality of periodic diffractive structures, wherein the first in-coupling diffractive optic is operable to diffract a first portion of image-bearing light beams into the first planar waveguide in an angularly encoded form.

Abstract: A near-eye display for conveying virtual images within a real-world view includes a projector having an illuminator with an extended light source including a plurality of cells, each containing light sources, and a partial homogenizer for partially overlapping light from the plurality of cells at an illumination plane of a spatial light modulator. A controller adjusts the outputs of the plurality of cells to alter a distribution of the light over the illumination plane.

Abstract: A flexible, substantially lamellar silicone foam rubber-based heater for heating fluid lines such as high temperature gas supply and exhaust lines used in microelectronic semiconductor fabrication uses a flexible, oblong substantially longitudinally uniform heater body including an oblong block of a thermally conductive, resiliently compressible material for conforming the heater to a line of complexly shaped components connected in series. The block can be supported by a silicone rubber support layer in contact with a flexible heater element containing layer, and an outer silicone foam rubber insulation layer. Fasteners, such as separatable retaining bands spaced along the line can hold the heater in place. A matable pair of bodies, or a single folded body can enwrap the line.

Abstract: An imaging apparatus for stereoscopic viewing having a frame operable to be reshaped from a first shape to a second shape. A left-eye imaging apparatus and a right-eye imaging apparatus supported by the frame, wherein the left-eye imaging apparatus and the right-eye imaging apparatus have a first relative alignment operable to convey stereoscopic virtual images to the viewer when the frame is in the first shape, and wherein the left-eye imaging apparatus and the right-eye imaging apparatus are arranged at a second relative alignment when the frame is in the second shape. An adjustment mechanism operable to change an angular alignment of one or more components of the left-eye imaging apparatus and/or the right-eye imaging apparatus relative to the frame to restore the first relative alignment of the left-eye imaging apparatus and the right-eye imaging apparatus when the frame is in the second shape.

Abstract: A reconfigurable sorting facility is disclosed, including: a plurality of sorting facility devices; and one or more processors configured to: store physical layout information that describes corresponding positions of the plurality of sorting facility devices within a sorting facility; collect feedback data from the plurality of sorting facility devices; and identify at least a subset of the plurality of sorting facility devices to reconfigure based at least in part on the collected feedback data and respective positions of the subset of the plurality of sorting facility devices.

Abstract: Time-varying control of a controllable air stream is disclosed, including: a set of image sensors configured to capture image data showing a target object being conveyed by a conveyor device along a Y-direction; an array of air jets located along an X-direction, wherein the X-direction crosses the Y-direction; and a processor configured to: receive the image data from the set of image sensors; determine a classification of the target object within the image data; and modify a two-dimensional firing polygon of air to be directed by the array of air jets on the target object based at least in part on the classification of the target object; and wherein the array of air jets is configured to perform a sorting operation on the target object as the target object is translated across the array of air jets based at least in part on the modified two-dimensional firing polygon.

Abstract: Co-located sensors in a sorting facility are disclosed, including: a first sensor associated with a first field of view, and wherein the first sensor is located in a sorting facility; a second sensor associated with a second field of view, wherein the second field of view is adjacent to or overlaps with the first field of view, and wherein the second sensor is located in the sorting facility; and one or more processors configured to: receive a first image including a first set of objects from the first sensor; receive a second image including a second set of objects from the second sensor; and evaluate the first image and the second image to determine a sorting decision with respect to a target object.

Abstract: Centralized control of multiple sorting facilities is disclosed, including: a feedback interface configured to collect sorting results feedback data from a first sorting facility, wherein the first sorting facility is associated with a second sorting facility; and one or more processors configured to reconfigure a set of sorting facility devices located in the second sorting facility based at least in part on the sorting results feedback data.