Abstract: Aspects of the subject technology provide for dynamic noise control for electronic devices. For example, a dynamically adjustable limit on component noise may be generated based on ambient noise, based on other device-generated sound, based on a state of an audio output device, and/or based on an application being actively utilized at an electronic device. As one example, an electronic device may increase a limit on a sound-generating component of an electronic device when the electronic device determines that a user of the electronic device is engaged in a sound-tolerant activity. As another example, an electronic device may decrease a limit on a sound-generating component of an electronic device when the electronic device determines that a user of the electronic device is engaged in a sound-sensitive activity.

Abstract: A head-mountable device can provide a cooling module that effectively manages heat while also minimizing noise, vibration, leakage, power consumption, size, and weight. To dissipate heat, the cooling module with a fan can be operated to move air through a chamber within the head-mountable device. An integrated heat sink can provide heat dissipation properties by drawing heat away from heat-generating components and into the chamber. The integrated heat sink can include a base plate that defines at least a portion of the chamber in which the blades of the fan are positioned. The integrated heat sink can further include fins between the chamber and an outlet. The fins can be integrated with the base plate to maximize heat dissipation and reduce the number of interfaces between separate parts.

Abstract: A display system, such as a wearable display device, includes a system housing including a cavity having a linear axis extending generally in parallel with first and second side walls enclosing the cavity and a display stack enclosed within the cavity and movable along the linear axis. The display stack includes a display panel and a support chassis configured to support a first side of the display panel and thermally couple the display panel to the first side wall to facilitate heat transfer from the display panel, across the support chassis, and to the system housing The display stack includes a heat sink configured for support by a second side of the display panel and to thermally couple the display panel to the second side wall to facilitate heat transfer from the display panel, across the heat sink, and to the system housing.

Abstract: A display system, such as a wearable display device, includes a system housing including a cavity having a linear axis extending generally in parallel with first and second side walls enclosing the cavity and a display stack enclosed within the cavity and movable along the linear axis. The display stack includes a display panel and a support chassis configured to support a first side of the display panel and thermally couple the display panel to the first side wall to facilitate heat transfer from the display panel, across the support chassis, and to the system housing The display stack includes a heat sink configured for support by a second side of the display panel and to thermally couple the display panel to the second side wall to facilitate heat transfer from the display panel, across the heat sink, and to the system housing.

Abstract: In one aspect of the present disclosure, a display system is disclosed, such as a wearable head-mounted display (HMD), that includes an internal system housing and a movable display stack. The display stack includes a display panel, a carrier supporting the display panel, and a heat sink that are secured together such that the display panel, the carrier, and the heat sink are movable in unison within the system housing to adjust focus of the display panel. The carrier and/or the heat sink respectively include first and second thermal solutions to facilitate heat transfer away from the display panel, which may include a material having high thermal-conductivity properties and/or any structure that is configured to increase the exposed surface area of the carrier and/or the heat sink, such as projections or extensions (e.g., fins), recesses, slits, openings, or the like.

Abstract: In one aspect of the present disclosure, a display system is disclosed, such as a wearable head-mounted display (HMD), that includes an internal system housing and a movable display stack. The display stack includes a display panel, a carrier supporting the display panel, and a heat sink that are secured together such that the display panel, the carrier, and the heat sink are movable in unison within the system housing to adjust focus of the display panel. The carrier and/or the heat sink respectively include first and second thermal solutions to facilitate heat transfer away from the display panel, which may include a material having high thermal-conductivity properties and/or any structure that is configured to increase the exposed surface area of the carrier and/or the heat sink, such as projections or extensions (e.g., fins), recesses, slits, openings, or the like.

Abstract: A head-mounted display to be worn by a user includes a housing, a component chamber defined in the housing, and electronic components that generate heat. The electronic components are located in the component chamber of the housing. The head-mounted display also includes a first fan for causing air to flow through the component chamber.

Abstract: A head-mounted display to be worn by a user includes a housing, a component chamber defined in the housing, and electronic components that generate heat. The electronic components are located in the component chamber of the housing. The head-mounted display also includes a first fan for causing air to flow through the component chamber.

Abstract: An electronic device such as a portable computer may be provided with a lower housing and an upper housing. The electronic device may include hinge structures which allow the upper housing to rotate about a rotational axis relative to the lower housing. The electronic device may include a ventilation port structure with intake openings that allow air to be drawn into the electronic device. The ventilation structure may also include exhaust openings that are used to expel air from the lower housing. When the electronic device is in an open position, it may be desirable for the ventilation structure to form more exhaust openings than when the electronic device is in a closed position. The ventilation structure may form lower exhaust openings when the electronic device is in the closed position and form upper and lower exhaust openings when the electronic device is in the open position.

Abstract: An electronic device such as a portable computer may be provided with a lower housing and an upper housing. The electronic device may include hinge structures which allow the upper housing to rotate about a rotational axis relative to the lower housing. The electronic device may include a ventilation port structure with intake openings that allow air to be drawn into the electronic device. The ventilation structure may also include exhaust openings that are used to expel air from the lower housing. When the electronic device is in an open position, it may be desirable for the ventilation structure to form more exhaust openings than when the electronic device is in a closed position. The ventilation structure may form lower exhaust openings when the electronic device is in the closed position and form upper and lower exhaust openings when the electronic device is in the open position.