Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining a pupillary distance of a user; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.

Abstract: The present disclosure provides an extended reality device and a control method thereof. The extended reality device includes: a front part and a rear part; the front part comprising: a display module, configured to display extended reality image; the rear part comprising: a system controller connected to the display module and configured to control operation of the display module; a battery connected to the system controller and configured to supply power to each electrical device. Through the above solution, transferring the system controller and the battery to the rear part setting, so that the weight of the front part of the extended reality device is significantly reduced, the thickness of the front part is significantly reduced, the weight of the rear part and the front part can be balanced, there is no bias when user wears the extended reality device, which improves the user's wearing comfort.

Abstract: The present disclosure provides a virtual reality device, a lens barrel positional state detection method and apparatus therefor, and a medium. The device comprises: a lens barrel module, a magnet, a magnetic sensor, and a main controller, wherein one of the magnet and the magnetic sensor is embedded on a lens barrel housing of the lens barrel module, and the other one is fixed at a corresponding preset position of the lens barrel module; wherein the main controller controls the lens barrel module to move and detects an output electrical signal of the magnetic sensor when the lens barrel module moves so as to determine a positional state of the lens barrel module.

Abstract: The disclosure relates to a device for extended reality, including: a head-mounted display device, a host computer, and an optical fiber connected between the head-mounted display device and the host computer. The head-mounted display device includes a plurality of sensors, an aggregation unit, and a display screen. At least some of the sensors are connected to the aggregation unit. The plurality of sensors are configured to acquire original data. The aggregation unit is configured to aggregate the original data acquired by the sensors connected thereto, to obtain an aggregation result, causing the aggregation result to be transmitted through the optical fiber. The host computer is configured to receive data transmitted through the optical fiber, determine a target image based on the received data, and transmit the target image to the head-mounted display device through the optical fiber.

Abstract: The present disclosure relates to a multi-device photographing control method and a virtual reality (VR) head-mounted display device, and relates to the technical field of virtual devices. The method is applied to a first VR head-mounted display device, and the first VR head-mounted display device is configured to establish a communication connection with at least one second VR head-mounted display device. The method comprises: determining a photographing moment of the first VR head-mounted display device; determining exposure indication information according to the photographing moment of the first VR head-mounted display device; and sending the exposure indication information to the at least one second VR head-mounted display device. The embodiments of the present disclosure are used for solving the problem of image overexposure caused by simultaneous exposure by a plurality of VR head-mounted display devices.

Abstract: A backlight control system, a control method, and a related device are provided. The backlight control system includes: a power conversion unit, configured to convert an input electrical signal into an output voltage to drive a light source; an acquisition unit, configured to acquire a cathode voltage of the light source at a timing of a completion of light source illumination; and a processing unit, connected to the acquisition unit and configured to determine feedback information used to adjust the output voltage based on a preset voltage and the cathode voltage. The cathode voltage of the light source is acquired by the acquisition unit. The processing unit determines the feedback information used to adjust the output voltage based on the preset voltage and the cathode voltage. The feedback information is beneficial for balancing backlight stability and power consumption, thereby enhancing system stability while reducing power consumption of the system.

Abstract: The present disclosure provides a virtual reality device, a lens barrel positional state detection method and apparatus therefor, and a medium. The device comprises: a lens barrel module, a magnet, a magnetic sensor, and a main controller, wherein one of the magnet and the magnetic sensor is embedded on a lens barrel housing of the lens barrel module, and the other one is fixed at a corresponding preset position of the lens barrel module; wherein the main controller controls the lens barrel module to move and detects an output electrical signal of the magnetic sensor when the lens barrel module moves so as to determine a positional state of the lens barrel module.

Abstract: The present disclosure relates to a fixing member, an antenna system, and an electronic device. A cross section of the fixing member (10) is annular, and a side wall of the fixing member (10) includes at least one first area (A); at least one first radiation slot (101) is arranged in the first area (A), and an extension direction of the first radiation slot (101) is consistent with a rotation direction of the fixing member (10); and the fixing member (10) is electrically connectable with a feed source to radiate wireless signals.

Abstract: The disclosure provides a light source control device, an electronic device, a method, a storage medium and a program product. The device includes an eye movement tracking light source, a proximity detection light source and a control circuit, the control circuit being respectively connected to the eye movement tracking light source and the proximity detection light source; and the control circuit is configured to control the eye movement tracking light source and the proximity detection light source to be alternately turned on. The eye movement tracking light source and the proximity detection light source are controlled to be alternately turned on through the control circuit, so that the eye movement tracking light source and the proximity detection light source are not turned on at the same time, the light of each other does not interfere with each other.

Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining a pupillary distance of a user; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.

Abstract: Disclosed are a wiring harness and a head-mounted device with the same. The wiring harness includes: a signal line including a plurality of signal conductors, a grounding wire including a plurality of grounding conductors, and a power cable including a plurality of power conductors, the signal line, the grounding wire and the power cable being disposed in the same outer sheath, and being sequentially arranged in a first direction.

Abstract: The present disclosure provides a virtual reality device, a lens barrel positional state detection method and apparatus therefor, and a medium. The device comprises: a lens barrel module, a magnet, a magnetic sensor, and a main controller, wherein one of the magnet and the magnetic sensor is embedded on a lens barrel housing of the lens barrel module, and the other one is fixed at a corresponding preset position of the lens barrel module; wherein the main controller controls the lens barrel module to move and detects an output electrical signal of the magnetic sensor when the lens barrel module moves so as to determine a positional state of the lens barrel module.

Abstract: The present application provides a powering device, an equipment, a method, a medium, and a computer program product for image acquisition. The device includes: an energy storage circuit connected to a power supply and configured to store electric energy of the power supply; an image acquisition module connected to the energy storage circuit and configured to use the electric energy stored in the energy storage circuit for powering during image acquisition. In this way, when the image acquisition module needs a high current for image acquisition, the image acquisition module will not draw high current electric energy from the power supply, and the voltage of the power supply can be kept stable, thereby ensuring the stability of the operation of other circuit components that need to be powered by the power supply.

Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining an eye image of a user; determining a pupillary distance of the user based on the eye image; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction corresponding to the difference value to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.

Abstract: A backlight control system, a control method, and a related device are provided. The backlight control system includes: a power conversion unit, configured to convert an input electrical signal into an output voltage to drive a light source; an acquisition unit, configured to acquire a cathode voltage of the light source at a timing of a completion of light source illumination; and a processing unit, connected to the acquisition unit and configured to determine feedback information used to adjust the output voltage based on a preset voltage and the cathode voltage. The cathode voltage of the light source is acquired by the acquisition unit. The processing unit determines the feedback information used to adjust the output voltage based on the preset voltage and the cathode voltage. The feedback information is beneficial for balancing backlight stability and power consumption, thereby enhancing system stability while reducing power consumption of the system.

Abstract: The present disclosure provides a module for tracking an eyeball and an extended reality device. Specifically, the module for tracking an eyeball includes luminescent light sources configured to form light spots on an eye of a user; an image acquiring unit configured to acquire a tracking image of a target area; and an analyzing unit configured to determine a pose of the eyeball based on an eye image and a light spot image in the tracking image; wherein, the luminescent light sources comprise a first light source and form a first light spot on the eye, so as to determine a position of a luminescent light source corresponding to at least part of light spots in the light spot image based on the first light spot.

Abstract: The present disclosure provides an extended reality device and a control method thereof. The extended reality device includes: a front part and a rear part; the front part comprising: a display module, configured to display extended reality image; the rear part comprising: a system controller connected to the display module and configured to control operation of the display module; a battery connected to the system controller and configured to supply power to each electrical device. Through the above solution, transferring the system controller and the battery to the rear part setting, so that the weight of the front part of the extended reality device is significantly reduced, the thickness of the front part is significantly reduced, the weight of the rear part and the front part can be balanced, there is no bias when user wears the extended reality device, which improves the user's wearing comfort.

Abstract: An apparatus, method for lens barrel distance adjustment, device and computer medium are provided. The method includes: obtaining an eye image of a user; determining a pupillary distance of the user based on the eye image; obtaining a first output voltage determined by a hall sensor; in response to that the first output voltage indicates that an absolute value of a difference value between a distance between left and right lens barrels of a head-mounted device and the pupillary distance of the user is greater than a predetermined threshold, sending a control instruction corresponding to the difference value to an adjustment circuit, causing the adjustment circuit to adjust a distance between the left and right lens barrels based on the control instruction. The hall sensor and the adjustment circuit are provided on the head-mounted device.

Abstract: A position detection device of a VR device is provided. A gear rack and a gear are provided between the left lens barrel and the right lens barrel, and the gear rack is made to be occluded with the gear. A magnet is fixed at a preset position, and a magnetic induction intensity of the magnet set based on a relative position relationship between the left lens barrel and the right lens barrel in the VR device is detected by means of a Hall sensor. A distance between the Hall sensor and the magnet is calculated according to the magnetic induction intensity.

Abstract: The present disclosure provides a method of acquiring an eye image, an apparatus, a device and a medium. The method includes: sending an image acquisition instruction to the first camera and the second camera, the image acquisition instruction including an acquisition time, and an acquisition time of the first camera and an acquisition time of the second camera being different; according to the acquisition time of the first camera, empowering at least one first infrared light source and controlling the first camera to acquire a first eye image; and according to the acquisition time of the second camera, empowering at least one second infrared light source and controlling the second camera to acquire a second eye image.