Abstract: An illustrative example elevator system includes a frame, a first elevator cab, a second elevator cab, and a plurality of sheaves associated with the first and second elevator cabs, respectively. A suspension assembly suspends the first and second elevator cabs within the frame. The suspension assembly has two ends in a fixed position relative to the frame. The suspension assembly includes a positive drive load bearing member along a first portion of a length of the suspension assembly and at least one other second load bearing member. A machine includes a drive sprocket that moves the positive drive load bearing member to cause movement of the first and second elevator cabs relative to the frame.

Abstract: Certain aspects of the present disclosure are generally directed to circuitry and techniques for adjusting an audio signal to avoid undesirable system behavior under low alternating-current (AC) line voltage and high volume conditions. For example, certain aspects provide an apparatus for audio amplification. The apparatus generally includes an amplifier, a supply voltage generation circuit having an input coupled to an input voltage node of the apparatus and an output coupled to a supply voltage terminal of the amplifier, the supply voltage generation circuit having a transformer, a primary winding of the transformer being coupled to the input voltage node, a peak voltage detector circuit configured to detect a peak voltage at a secondary winding of the transformer, and a controller circuit configured to adjust an input audio signal of the amplifier based on the detected peak voltage.

Abstract: Certain aspects of the present disclosure are generally directed to circuitry and techniques for adjusting an audio signal to avoid undesirable system behavior under low alternating-current (AC) line voltage and high volume conditions. For example, certain aspects provide an apparatus for audio amplification. The apparatus generally includes an amplifier, a supply voltage generation circuit having an input coupled to an input voltage node of the apparatus and an output coupled to a supply voltage terminal of the amplifier, the supply voltage generation circuit having a transformer, a primary winding of the transformer being coupled to the input voltage node, a peak voltage detector circuit configured to detect a peak voltage at a secondary winding of the transformer, and a controller circuit configured to adjust an input audio signal of the amplifier based on the detected peak voltage.

Abstract: A zone object detection system including a passenger compartment. Also included is a door moveable between an opened position and a closed position. Further included is a first sensor monitoring a first zone outside of a plane of the door. Yet further included is a second sensor monitoring a second zone comprising at least one of the plane of the door and outside of the plane of the door. Also included is a controller in operative communication with the first sensor and the second sensor, the controller commanding a first modification of a door closing movement of the door if an object is detected in the first zone, the controller commanding a second modification of the door closing movement of the door if an object is detected in the second zone.

Abstract: Aircraft are configured to facilitate propeller blade pitch adjustability. According to one example, an aircraft can include a plurality of propellers, where each propeller includes plurality of blades. At least one pitch adjust mechanism may be associated with at least on propeller, where the pitch adjust mechanism is configured to adjust a pitch of the plurality of blades for at least one propeller in response to airflow from at least one other propeller influencing an airflow at the at least one propeller. Other aspects, embodiments, and features are also included.

Abstract: Footwear includes memory foam in at least a non-load bearing portion of the footwear to provide three-dimensional contouring to a foot. The footwear includes a top portion, a bottom portion, a pair of sides connecting the top portion with the bottom portion, and an opening formed between the top portion and the pair of sides to receive a foot. At least one of the top portion and the pair of sides includes memory foam providing three-dimensional contouring.

Abstract: A method includes receiving data from components of a smart window system and, responsive to determining that a first portion of the data corresponds to a first identifier, storing the first portion of the data in association with the first identifier. The method further includes receiving, via a graphical user interface (GUI) presented on a user device, a view request and, responsive to determining that the view request corresponds to the first identifier, retrieving the first portion of the data. The method further includes causing the GUI to be modified to display the first portion of the data and, responsive to user interaction with the GUI that was modified based on the view request, receiving, via the GUI presented on the user device, a change request to implement a change associated with electrochromic windows. The method includes causing a first component to implement the change associated with the electrochromic windows.

Abstract: Footwear includes memory foam in at least a non-load bearing portion of the footwear to provide three-dimensional contouring to a foot. The footwear includes a top portion, a bottom portion, a pair of sides connecting the top portion with the bottom portion, and an opening formed between the top portion and the pair of sides to receive a foot. At least one of the top portion and the pair of sides includes memory foam providing three-dimensional contouring.

Abstract: Disclosed is an elevator system having: a door panel configured for moving along a first axis for opening and closing of the door panel at an entryway, the door panel having a door magnet, the entryway including a sill, the sill having a sill magnet, wherein the door magnet and the sill magnet are configured for forming a first magnetic pairing, and wherein the first magnetic pairing guides the door panel to move along the first axis and prevents the door panel from moving in a lateral direction with respect to the first axis.

Abstract: A method includes identifying components of a smart window system. The components include electrochromic devices, drivers, and one or more gateways. Each of the drivers is to control a corresponding electrochromic device and each of the drivers is to receive instructions from a server device via a corresponding gateway. The method further includes determining physical linking, network linking, and application linking of the smart window system. The method further includes displaying, via a graphical user interface (GUI), the components of the smart window system, the physical linking, the network linking, and the application linking. The method further includes determining a first component of the plurality of components is to be replaced by a new component, causing the new component to be configured based on configurations of the first component, and updating the GUI based on the new component that has been configured based on the configurations of the first component.

Abstract: A system for causing electrochromic devices to be controlled is described. The system may include a memory and a processing device coupled to the memory. The processing device may receive a data stream from a driver controlling a set of electrochromic devices, transmit a first subset of the data stream to a server device, and store at least a second subset of the data stream in a data file in the memory. The processing device may receive one or more instructions from the server device and transmit the one or more instructions to the driver to cause the set of electrochromic devices to be controlled based on the one or more instructions.

Abstract: A overcharge-aware electrochromic device driver for preventing overcharge of an electrochromic device is described. One driver applies a constant supply current to an electrochromic device from a power supply. The driver determines an amount of charge as a function of time and current supplied to the electrochromic device. The driver determines whether the amount of charge reaches an overcharge limit before a sense voltage reaches a first sense voltage limit. Responsive to the amount of charge reaching the overcharge limit, the driver sets the sense voltage as a second sense voltage limit that is lower than the first sense voltage limit, ceases the constant supply current, and applies one of a variable voltage or a variable current to the electrochromic device from the power supply to maintain the sense voltage at the second sense voltage limit.

Abstract: A distributed energy management system (EMS) for supplying power to a set of drivers that charge and discharge a set of electrochromic devices is described. One distributed EMS includes an external power supply interface to couple to an external power supply, a multi-device boost power supply comprising a set of batteries, and a driver interface to supply power to a set of drivers that charge and discharge a set of electrochromic devices. The distributed EMS also includes a communication subsystem to communicate with the set of drivers and EMS circuitry to supply power to the set of drivers, via the driver interface, based on a power state of the multi-device boost power supply and a state of the set of electrochromic devices.

Abstract: An illustrative example embodiment of an elevator system includes a plurality of components respectively configured for at least one function during operation of the elevator system. A plurality of sensors are each associated with at least one of the components. Each sensor senses at least one characteristic of an actual performance of an associated one of the components. A processor is configured to receive respective indications from the sensors regarding the actual performance of the associated components, determine a difference between the actual performance and a desired performance of any of the components based on the respective indications, and determine an adjustment to the operation of the elevator system based upon the determined difference.

Abstract: A wireless power transfer system for wirelessly powering a secondary wireless component using a conveyance apparatus of a conveyance system including: a secondary wireless component located along a support or a wall of the conveyance system in a first location, the secondary wireless component including a wireless electrical power receiver; and a wireless electrical power transceiver located along a surface of the conveyance apparatus opposite the wall, the wireless electrical power transceiver and the wireless electrical power receiver being in a facing spaced relationship defining a gap therebetween when the wireless electrical power transceiver is located proximate the first location, wherein the wireless electrical power transceiver is configured to wirelessly transfer electrical power to the wireless electrical power receiver when the wireless electrical power transceiver is located proximate the first location.

Abstract: Methods and systems for health monitoring in an electrical mechanical system are provided. Aspects includes a controller coupled to a memory and one or more sensors affixed to an element of the electrical-mechanical system, wherein the one or more sensors comprise a power supply, wherein the one or more sensors are configured to collect sensor data responsive to detection of a vibration in the electrical-mechanical system above a threshold vibration, wherein the sensor data is associated with the element and transmit the sensor data to the controller, wherein the controller is configured to analyze the sensor data to determine a potential maintenance issue associated with the electrical-mechanical system.

Abstract: Disclosed is a system for an elevator door of an elevator car, wherein a controller controls the elevator door to travel in a proximate direction when closing and travel in a distal direction when opening, the system including: a panel that forms an exterior surface of an elevator door, the panel including a front surface extending in a widthwise direction between a proximate end and an opposing distal end to form a front surface of the elevator door, the panel including a proximate end surface extending in a depthwise direction to form a proximate end surface of the elevator door, the proximate end surface of the panel comprising a resilient portion that is capable of engaging a sensor in the panel when the elevator door is closing, and thereafter the controller instructs the elevator door to reopen.

Abstract: A system for elevator door sensor fusion, fault detection, and service notification is provided. The system includes a processor and a memory including computer-executable instructions that, when executed by the processor, cause the processor to perform operations. The operations include monitoring outputs of a plurality of sensors. It is determined whether the outputs of the plurality of sensors follow an expected pattern. Based at least in part on determining that the outputs of the plurality of sensors do not follow the expected pattern: identifying a sensor in the plurality of sensors that is not following the expected pattern, and transmitting a notification indicating that the sensor is exhibiting unexpected behaviour.

Abstract: Disclosed is an elevator system having an elevator entryway, the elevator entryway including: a first door, which is an elevator door, a first controller operationally connected to the first door for opening and closing the first door to provide access to an elevator, wherein when the first door is closing: the first controller monitors for first instructions over a frequency applicable to light detection and ranging (LIDAR) and/or a radio detection and ranging (RADAR), and upon receiving the first instructions, the first controller executes the first instructions.

Abstract: A method and system for controlling a movable door associated with a passenger compartment, the door moveable between an opened position and a closed position configured to provide access to, or egress from, the passenger compartment. The method includes monitoring a landing area of the elevator door with at least one sensor, and determining a level of urgency of an approaching passenger based on the information from the at least one sensor. If the level of urgency exceeds a predetermined threshold, modifying a closing of the elevator door based on the level of urgency. The method may also include modifying a closing speed of the elevator door if the level of urgency exceeds a predetermined threshold.