Abstract: A camera system includes a lens assembly and image processing electronics internal to the camera housing and thermally coupled to the battery assembly. The battery assembly is sensitive to low ambient temperatures and may become damaged if the temperature of the assembly becomes sufficiently low. The camera system comprises a thermal management system that dissipates heat from electronic components of the camera to increase or maintain the temperature of the battery assembly. The thermal management configures the electronic components in different modes to create a step-wise increase of the resistive heat generated in the camera system and thereby increase the temperature of the components in the camera system.

Abstract: A camera system includes a camera with a lens assembly and image processing electronics internal to the camera housing. The lens assembly and image processing electronics are sensitive to thermal gradients within the camera body. The image processing electronics are coupled to a thermal management system that transfers thermal energy away from the electronics towards a heat diffuser. The thermal management system comprises a heat controller with a heat source, an offset arm, and a heat exchange. The thermal energy moves from the heat source to the heat exchange via the offset arm. The thermal management system also manages heat transfer between auxiliary electronic components and the image processing electronics. The thermal management system is constructed of materials that react to the compressive forces created on the system during camera assembly.

Abstract: This document describes a passive thermal-control system that can be integrated into an electronic speaker device and associated electronic speaker devices. The passive thermal-control system uses an architecture that combines heat spreaders and thermal interface materials to transfer heat from heat-generating electronic devices of the electronic speaker device to a housing component of the electronic speaker device. The housing component dissipates the heat to prevent a thermal runaway condition.

Abstract: A camera system includes a lens assembly and image processing electronics internal to the camera housing and thermally coupled to the battery assembly. The battery assembly is sensitive to low ambient temperatures and may become damaged if the temperature of the assembly becomes sufficiently low. The camera system comprises a thermal management system that dissipates heat from electronic components of the camera to increase or maintain the temperature of the battery assembly. The thermal management configures the electronic components in different modes to create a step-wise increase of the resistive heat generated in the camera system and thereby increase the temperature of the components in the camera system.

Abstract: A camera system includes a camera with a lens assembly and image processing electronics internal to the camera housing. The lens assembly and image processing electronics are sensitive to thermal gradients within the camera body. The image processing electronics are coupled to a thermal management system that transfers thermal energy away from the electronics towards a heat diffuser. The thermal management system comprises a heat controller with a heat source, an offset arm, and a heat exchange. The thermal energy moves from the heat source to the heat exchange via the offset arm. The thermal management system also manages heat transfer between auxiliary electronic components and the image processing electronics. The thermal management system is constructed of materials that react to the compressive forces created on the system during camera assembly.

Abstract: A camera system includes a camera with a lens assembly and image processing electronics internal to the camera housing. The lens assembly and image processing electronics are sensitive to thermal gradients within the camera body. The image processing electronics are coupled to a thermal management system that transfers thermal energy away from the electronics towards a heat diffuser. The thermal management system comprises a heat controller with a heat source, an offset arm, and a heat exchange. The thermal energy moves from the heat source to the heat exchange via the offset arm. The thermal management system also manages heat transfer between auxiliary electronic components and the image processing electronics. The thermal management system is constructed of materials that react to the compressive forces created on the system during camera assembly.

Abstract: A head-mounted display (HMD) device includes a printed circuit board having one or more processors. A heat transfer plate having a heat-generating component facing surface is thermally coupled to the printed circuit board. The HMD exterior-facing surface of the heat transfer plate opposite from the heat-generating component facing surface is thermally coupled to a heat pipe. The heat pipe is thermally coupled to a heat transfer shell, which is configured as a heat sink to receive heat from the heat pipe. In operation, heat flows from the heat-generating components of the HMD (e.g., the HMD's processor and other electronic components) to the heat transfer plate. Thermal energy removed from the heat-generating components is transferred to the heat transfer shell via the heat pipe, which in turn transfers the heat to the external surface of the HMD to be dissipated into ambient room temperature of the surrounding environment.

Abstract: A head mounted display (HMD) device for supporting virtual reality and augmented reality includes a frame and a thermal door component between which a mobile device may be sandwiched. The thermal door component includes a first portion that is substantially planar for reversibly coupling with a portion of a back surface of the mobile device and a heat sink. The heat sink includes a substantially planar portion coupled to a surface of the first portion of the thermal door component. The heat sink may be made of magnesium or other thermally conductive material. A second portion is coupled to the back of the first portion. An opening, channel, or recess that allows access to the interior of the thermal door component by ambient air to allow the thermal door component to draw heat away from the mobile device and the HMD device.

Abstract: A propeller blade comprises a blade root coupled to a rotor hub and a blade tip. The propeller blade is composed of airfoil cross-sections, each cross-section a distance away from the rotor hub. Each airfoil is designed with particular structural characteristics that improve the overall amount of thrust generated on the quadcopter. Namely, each airfoil possesses a ? angle and chord length whose values depend on the distance of that airfoil from the rotor hub. For example, the relationship between an airfoil's ? angle and its distance from the rotor hub is described by a power law. Additionally, the relationship between an airfoil's chord length and its distance from the rotor hub is described using a polynomial regression. Compared to current, off the shelf propeller blades, the current propeller blade embodiment achieves the same thrust at a lower RPM, thereby yielding benefits in reduced acoustic noise and improved response time.

Abstract: A camera system includes a lens assembly and image processing electronics internal to the camera housing and thermally coupled to the battery assembly. The battery assembly is sensitive to low ambient temperatures and may become damaged if the temperature of the assembly becomes sufficiently low. The camera system comprises a thermal management system that dissipates heat from electronic components of the camera to increase or maintain the temperature of the battery assembly. The thermal management configures the electronic components in different modes to create a step-wise increase of the resistive heat generated in the camera system and thereby increase the temperature of the components in the camera system.

Abstract: A head-mounted display (HMD) device includes a printed circuit board having one or more processors. A heat transfer plate having a heat-generating component facing surface is thermally coupled to the printed circuit board. The HMD exterior-facing surface of the heat transfer plate opposite from the heat-generating component facing surface is thermally coupled to a heat pipe. The heat pipe is thermally coupled to a heat transfer shell, which is configured as a heat sink to receive heat from the heat pipe. In operation, heat flows from the heat-generating components of the HMD (e.g., the HMD's processor and other electronic components) to the heat transfer plate. Thermal energy removed from the heat-generating components is transferred to the heat transfer shell via the heat pipe, which in turn transfers the heat to the external surface of the HMD to be dissipated into ambient room temperature of the surrounding environment.

Abstract: A head mounted display (HMD) device for supporting virtual reality and augmented reality includes a frame and a thermal door component between which a mobile device may be sandwiched. The thermal door component includes a first portion that is substantially planar for reversibly coupling with a portion of a back surface of the mobile device and a heat sink. The heat sink includes a substantially planar portion coupled to a surface of the first portion of the thermal door component. The heat sink may be made of magnesium or other thermally conductive material. A second portion is coupled to the back of the first portion. An opening, channel, or recess that allows access to the interior of the thermal door component by ambient air to allow the thermal door component to draw heat away from the mobile device and the HMD device.

Abstract: A camera system includes a lens assembly and image processing electronics internal to the camera housing and thermally coupled to the battery assembly. The battery assembly is sensitive to low ambient temperatures and may become damaged if the temperature of the assembly becomes sufficiently low. The camera system comprises a thermal management system that dissipates heat from electronic components of the camera to increase or maintain the temperature of the battery assembly. The thermal management configures the electronic components in different modes to create a step-wise increase of the resistive heat generated in the camera system and thereby increase the temperature of the components in the camera system.

Abstract: A camera system includes a lens assembly and image processing electronics internal to the camera housing and thermally coupled to the battery assembly. The battery assembly is sensitive to low ambient temperatures and may become damaged if the temperature of the assembly becomes sufficiently low. The camera system comprises a thermal management system that dissipates heat from electronic components of the camera to increase or maintain the temperature of the battery assembly. The thermal management configures the electronic components in different modes to create a step-wise increase of the resistive heat generated in the camera system and thereby increase the temperature of the components in the camera system.

Abstract: An electronic device can be provided with a housing having at least one wall defining a cavity and a flow sensor at least partially contained within the cavity. The flow sensor may be configured to detect a flow characteristic related to the flow of a fluid through a first portion of the cavity. The electronic device may also include a processor configured to alter a performance characteristic of the electronic device based on the detected flow characteristic.

Abstract: A camera system includes a camera with a lens assembly and image processing electronics internal to the camera housing. The lens assembly and image processing electronics are sensitive to thermal gradients within the camera body. The image processing electronics are coupled to a thermal management system that transfers thermal energy away from the electronics towards a heat diffuser. The thermal management system comprises a heat controller with a heat source, an offset arm, and a heat exchange. The thermal energy moves from the heat source to the heat exchange via the offset arm. The thermal management system also manages heat transfer between auxiliary electronic components and the image processing electronics. The thermal management system is constructed of materials that react to the compressive forces created on the system during camera assembly.

Abstract: A camera mounting assembly is disclosed for a plurality of cameras. In an example embodiment, the camera mounting assembly has a substantially cubic configuration. The camera mounting assembly includes a cubic configuration that includes one or more detachable frames. Each frame is attached to one or more other detachable frames via a securing mechanism to form the cube structure. Each frame includes one or more arms connected to a lens opening, the lens opening configured to allow a lens of the camera to have an unobstructed view for capturing images. A camera is secured to each frame by a standoff. A first end of the standoff attaches to a corner of the frame and the second end is attached to the camera. A box structure that houses electronics is located at the center of the cubic configuration and the box structure is secured to one or more frames via standoffs.

Abstract: A propeller blade comprises a blade root coupled to a rotor hub and a blade tip. The propeller blade is composed of airfoil cross-sections, each cross-section a distance away from the rotor hub. Each airfoil is designed with particular structural characteristics that improve the overall amount of thrust generated on the quadcopter. Namely, each airfoil possesses a ? angle and chord length whose values depend on the distance of that airfoil from the rotor hub. For example, the relationship between an airfoil's ? angle and its distance from the rotor hub is described by a power law. Additionally, the relationship between an airfoil's chord length and its distance from the rotor hub is described using a polynomial regression. Compared to current, off the shelf propeller blades, the current propeller blade embodiment achieves the same thrust at a lower RPM, thereby yielding benefits in reduced acoustic noise and improved response time.

Abstract: A camera mounting assembly is disclosed for a plurality of cameras. The camera mounting structure may have a substantially circular configuration. The camera mounting structure may include a unibody base cage. One or more lens openings may be configured along the circumference of the unibody base cage. The lens openings may allow a camera lens to have an unobstructed view outside of the unibody base cage to capture an image or a video. The assembly further may include one or more sub-cages that are releasably attached to the unibody base cage. Each sub-cage may be configured to securely hold a camera via a securing mechanism such as a clamp or interlocking pin. Each sub-cage further may include an aligning pin that is configured to align the center of the camera with the center of the lens opening.