Abstract: System for adjusting a reference constellation for demodulating an optical signal include a coherent electro-optical receiver configured to convert a received optical signal to a plurality of electrical signals, an array of analog-to-digital convertors configured to digitize the plurality of electrical signals, and processor logic. The processor logic is configured to process the digitized plurality of electrical signals using a reference constellation to yield a plurality of decoded signals and a signal quality measurement. The reference constellation includes an inphase component equal to an ideal inphase component plus an inphase offset and a quadrature component equal to an ideal quadrature component plus a quadrature offset. The processor logic is configured to determine an optimal inphase offset and optimal quadrature offset. The processor logic is configured to update the reference constellation using the optimal inphase offset and the optimal quadrature offset.

Abstract: A hybrid vehicle drive system for a vehicle includes a first prime mover, a first prime mover driven transmission, and a rechargeable power source. The hybrid vehicle drive system further includes an interface between the transmission and the prime mover for coupling to an electric motor. The electric motor can be in direct or indirect mechanical communication with a hydraulic pump. The electric motor can receive power from the prime mover driven transmission through the interface.

Abstract: An optical phase shifter may include a waveguide core that has a top surface, and a semiconductor contact that is laterally displaced relative to the waveguide core and is electrically connected to the waveguide core. A top surface of the semiconductor contact is above the top surface of the waveguide core. The waveguide core may include a p-type core region and an n-type core region. A p-type semiconductor region may be in physical contact with the n-type core region of the waveguide core, and an n-type semiconductor region may be in physical contact with the p-type core region of the waveguide core. A phase shifter region and a light-emitting region may be disposed at different depth levels, and the light-emitting region may emit light from a phase shifter region that is in a position adjacent to the light-emitting region.

Abstract: Various technologies described herein pertain to multiple laser, single optical resonator lidar systems. A lidar system includes a single optical resonator optically coupled to at least a first laser and a second laser. The optical resonator is formed of an electrooptic material. The first laser and the second laser are optically injection locked to the optical resonator. Moreover, a modulator applies a time-varying voltage to the optical resonator to control modulation of an optical property of the electrooptic material, which causes the first laser to generate a first frequency modulated optical signal comprising a first series of optical chirps and/or the second laser to generate a second frequency modulated optical signal comprising a second series of optical chirps. Further, front end optics transmits at least a portion of the first frequency modulated optical signal and/or the second frequency modulated optical signal into an environment from the lidar system.

Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.

Abstract: At least one adjustable clamp device is disclosed that includes a catch member, a base member, a latch member and a fine adjustment mechanism and is designed to clamp to a targeted object in a secure fashion. At least one quick release clamp device is disclosed that includes a catch member, a base member, a latch member, and a quick release mechanism and is designed to clamp to a targeted object in a secure fashion and to be quickly removable from the targeted object. At least one method for using the adjustable clamp device is disclosed that includes: wrapping an adjustable clamp device around a targeted object; placing a tool around the adjustable clamp device; squeezing the tool and thereby squeezing the adjustable clamp device around the targeted object; and causing the latch member to operably connect to the catch member in a locked position.

Abstract: A method of operating a distributed storage system, the method includes identifying unhealthy chunks of a file. The file is divided into stripes that include data chunks and non-data chunks. The method also includes identifying healthy chunks available for reconstructing the unhealthy chunks and reconstructing unhealthy data chunks before reconstructing unhealthy non-data chunks using the available healthy chunks. When the unhealthy chunk is an unhealthy word-check chunk: reconstructing the unhealthy word-check chunk using healthy word-check chunks and healthy code-check-word-check chunks; determining whether reconstruction of the unhealthy word-check chunk is possible using only healthy word-check chunks and healthy code-check-word-check chunks; and when reconstruction of the unhealthy word-check chunk is not possible using only healthy word-check chunks and healthy code-check-word-check chunks, reconstructing the unhealthy word-check chunk using any healthy chunks.

Abstract: A computing device identifies a plurality of media applications configured to operate at the computing device. The computing device accesses metadata and playback information for each media application of the plurality of media applications. The computing device generates a unified graphical user interface for the plurality of media applications. The unified graphical user interface provides media information and control access for each corresponding media application.

Abstract: Methods, systems, and computer-readable medium are disclosed for presenting web application content. For example, a computer-readable medium may include instructions executable by one or more processors to perform operations including: executing a parent application using a web browser, the parent application being a single page application configured to display a web page element in the web browser; identifying a child application requested by a user action; obtaining, from a server system, child application code of the identified child application, the child application code defining a micro-frontend in a first programming language; transpiling the child application code from the first programming language to a second programming language executable by the web browser, to obtain a transpiled child application code renderable by the web browser; and rendering the transpiled child application code so that the micro-frontend is displayed in the web browser.

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for generating a target sequence including a respective output at each of multiple output time steps from respective encoded representations of inputs in an input sequence. The method includes, for each output time step, starting from the position, in the input order, of the encoded representation that was selected as a preceding context vector at a preceding output time step, traversing the encoded representations until an encoded representation is selected as a current context vector at the output time step. A decoder neural network processes the current context vector and a preceding output at the preceding output time step to generate a respective output score for each possible output and to update the hidden state of the decoder recurrent neural network. An output is selected for the output time step using the output scores.

Abstract: Systems, devices, and methods for determining a torque on a target using an inductive torque sensor are described. The inductive torque sensor may include an excitation coil, two rotors, and two or more receive coils. Each of the receive coils and the rotors may be inductively coupled. The two or more receive coils may be configured to generate a received voltage which can be approximated by a sine waveform function based on the angular changes of the coils on each rotor, the distance of the receive coils from the rotors and the distance between the receive coils. An integrated circuit may be configured to determine the torque generated on the target based on calculated differences between the angular rotation of the first rotor versus the second rotor over a given period.

Abstract: The invention is a platform that defines a new way and method of notifying and connecting a customer to a business with a recalled product and accelerating the refund, replacement or the fix of the product to the customer. The invention comprises processed data algorithms and techniques along with new extensions that integrate with existing systems or software. The platform facilitates the communication between users and manufacturers to provide customers with their refund, fix or replacement for defective products through a resolution center.

Abstract: A method of adjusting the closing force of a door coupled to a door closer assembly having a bias element. The method includes determining the kinetic energy of the door without using the weight or other dimensions of the door. The determined kinetic energy is used to adjust the closing force of an electro-mechanical door closer that includes a spring and a motor. The door includes the use of one, some of, or all of an accelerometer, an angular position sensor, a time to close, a breaking torque, and a controller to identify values a acceleration, velocity, and/or position of the door. The identified values are provided to the controller, which is configured to calculate the kinetic energy of the door. The calculated kinetic energy is used to determine the closing velocity of the door closure to ensure proper operation of the door at the point of installation.

Abstract: Disclosed herein are methods, systems, and processes to perform input/output (I/O) fencing without dedicated arbitrators. A coordination storage identifier is stored in a storage device as metadata. The coordination storage identifier is associated with a node of a cluster coupled to the storage device, and an I/O fencing operation is performed using the coordination storage identifier.

Abstract: An apparatus, method, and a computer program are provided in order to allow for secure downloading of data to a host operating system. The host operating system transmits a request to a virtual machine in order download the data from the Internet. In response, the virtual machine downloads the data and scans the data for malicious programs. If the result of the scan is negative, then the host operating system is configured to download the data from the virtual machine.

Abstract: A light fixture with a troffer design. The light fixture includes a housing, LED assembly, and lens assembly. An inner lens can be positioned over the LED assembly to control the distribution of light. A reflector can be positioned over the LED assembly instead of the inner lens to control the light.

Abstract: A system, method, and computer-readable medium are disclosed for performing a distribution of interrelated event features operation. The distribution of interrelated event features includes: receiving a stream of events, the stream of events comprising a plurality of events; extracting features from the plurality of events; constructing a distribution of the features from the plurality of events; analyzing the distribution of the features from the plurality of events; and, dynamically reweighting the distribution of the features to scale a number of events contained within the distribution.

Abstract: An integrated renewable energy source (RES) and energy storage system (ESS) facility configured to supply power to an AC electrical grid includes energy storage system capacity and inverter capacity that are larger than a point of grid interconnect (POGI) limit for the facility, enabling high capacity factors and production profiles that match a desired load. At least one first DC-AC power inverter is associated with RES, and at least one second AC-DC power inverter is associated with the ESS. AC-DC conversion is used when charging the ESS with RES AC electric power, and DC-AC conversion utility is used when discharging ESS AC electric power to the electric grid. Aggregate DC-AC inverter utility exceeds the facility POGI limit, and excess RES AC electric power may be diverted to the second inverter(s).

Abstract: A pedal assembly, including an upper housing and a lower housing with an upper surface positioned below the upper housing. A receiving cavity is positioned in the lower housing, with at least a portion positioned below the upper surface in the pedal assembly vertical direction. A pedal arm having a pivot end and an opposite pedal pad, pivotally coupled to the upper housing at the pivot end. The pedal arm is movable between a stowed position and a use position, wherein in the stowed position, the pedal pad is positioned in the receiving cavity and below the upper surface in the pedal assembly vertical direction such that access to the pedal pad is prohibited. In the use position, the pedal pad is positioned above the receiving cavity and the upper surface in the pedal assembly vertical direction such that access to the pedal pad is permitted.

Abstract: A direct drive resistance system for exercise machines having a weighted moment arm that is lifted and lowered by a lifting moment arm and lifting component, which is moved by a force transfer assembly, which is operatively connected to a rotary component of an exercise machine, such that when the exercise machine is activated the force transfer assembly, the lifting moment arm, the lifting component and the weighted moment arm move concurrently to create a resistance force to the motion of the exercise machine.