Abstract: A head-mounted display device includes a body, an eye tracking module and a face gasket. The body has a first lens and a second lens corresponding to both eyes, and also has a first positioning portion. The eye tracking module is assembled to and electrically connected to the body and includes an outer frame, a first camera, a second camera, a first lens frame and a second lens frame. The outer frame has a second positioning portion. The second positioning portion is used for connecting with the first positioning portion, so that the outer frame is positioned on the body. The first lens frame and the second lens frame are movably arranged on the outer frame. The first lens frame is used for connecting the first lens. The second lens frame is used for connecting the second lens. The first camera is arranged on the first lens frame. The second camera is arranged on the second lens frame. The first camera and the second camera are used to shoot both eyes.

Abstract: A wearable tracking system is provided. The wearable tracking system includes a wearable device, an external camera, and a processor. The wearable device is adapted to be worn on a body part of a user. The wearable device is configured to detect a body movement of the body part based on a tracking sensor. The external camera is configured to obtain a body image of the body part. The processor is configured to obtain a first moving track of a body moving track of the body part based on the body movement, obtain a second moving track of the body moving track of the body part based on the body image, and determine a body pose of the body part based on the first moving track and the second moving track.

Abstract: A wearable device is provided. The wearable device includes a processor. The processor is configured to: receive a user instruction, wherein the user instruction comprises a first virtual point and a second virtual point in a virtual world; obtain a first real point and a second real point in a real world respectively based on the first virtual point and the second virtual point according to an environment map around the wearable device; and determine a real distance between the first real point and the second real point.

Abstract: The embodiments of the disclosure provide a method for determining a two-eye gaze point and a host. The method includes: obtaining a first gaze point of a first eye on a reference plane and obtaining a second gaze point of a second eye on the reference plane; and determining a two-eye gaze point via combining the first gaze point and the second gaze point.

Abstract: A wearable device includes a host, a first belt, a second belt, a circuit board, a cable, and an adjustment mechanism. The first belt, one end of which is connected to a first side of the host, has a cable holding part. One end of the second belt is connected to a second side of the host. The circuit board is disposed at an overlap of the first belt and the second belt. A first end and a second end opposite to each other of the cable are connected to the circuit board and the first side respectively, and a holding section of the cable is fixed to the cable holding part. The adjusting mechanism is disposed at an overlap of the first belt and the second belt to adjust an overlapping length of the first belt and the second belt.

Abstract: An antenna assembly with a lighting function includes a Vivaldi antenna, a plurality of first LEDs (Light Emitting Diodes), and a plurality of second LEDs. The Vivaldi antenna includes a first radiation element and a second radiation element. A notch region is defined by the first radiation element and the second radiation element. The first LEDs are disposed inside the notch region. The first LEDs are used as matching elements of the Vivaldi antenna. The second LEDs are disposed outside the notch region. The second LEDs are used as directors of the Vivaldi antenna.

Abstract: A wearable device and a head strap module are provided. The wearable device includes a host and a head strap module. Two opposite sides of the host are provided with a first bracket and a second bracket. The first bracket has a first end. The second bracket has a second end. The head strap module includes a first belt, a second belt, and an adjustment mechanism. The first belt has a third end. The second belt has a fourth end. The third end and the fourth end are detachably assembled to the first end and the second end respectively. The adjustment mechanism is arranged at the overlapping position of the first belt and the second belt for adjusting the overlapping length of the first belt and the second belt.

Abstract: A method, an electronic device, and a non-transitory computer readable storage medium for interacting with a virtual reality (VR) environment are provided. The method includes: displaying a first portal in a first virtual scene of the virtual reality environment, wherein the first portal is for a virtual scene switching, and the first portal comprises a frame; determining whether the frame is dragged toward a center of the first portal; and in response to determining the frame is dragged toward the center of the first portal, removing the first portal from the virtual reality environment.

Abstract: A method, an electronic device, and a non-transitory computer readable storage medium for destination selection of virtual scenes are provided. The method includes: displaying a portal in a first virtual scene of a virtual reality environment with a plurality of elements, wherein the plurality of elements comprise an element corresponding to a second virtual scene; and in response to receiving a first command corresponding to the element, switching the virtual reality environment from the first virtual scene to the second virtual scene.

Abstract: A device position correction method applicable to a wearable device is provided. The device position correction method includes the following steps. A wearable device image is received. An object detector detects the wearable device position, which is the position in the wearable device image. A limb detection model detects a plurality of skeleton points and a limb position, which is the position of a limb in the wearable device image, in order to determine which body part corresponds to the limb. According to the skeleton points and the limb position, correction information related to the wearable device position is generated.

Abstract: The embodiments of the disclosure provide a method for determining physical characteristics of objects, a host, and a computer readable storage medium. The method includes: detecting a first physical object in an environment; obtaining a first motion behavior of a reference object, wherein the first motion behavior corresponds to an interact event of the reference object interacting with the first physical object; and determining a first physical characteristic of the first physical object based on the first motion behavior.

Abstract: A mixed reality processing method includes the following steps. A virtual scene is displayed by a head-mounted display. The virtual world coordinates of a physical object are obtained using a first SLAM map. A tracker uses a second SLAM map to obtain the real world coordinates of the physical object. The virtual world coordinates and the real world coordinates are merged. The virtual scene and the physical object are combined by a processor to generate a mixed reality image.

Abstract: The embodiments of the disclosure provide a method for zooming a visual content, a host, and a computer readable medium. The method includes: detecting a first wink movement of a first eye of a user and detecting a second wink movement of a second eye of the user; in response to determining that the first wink movement matches a first predetermined wink movement but the second wink movement fails to match a second predetermined wink movement, zooming in the visual content; and in response to determining that the second wink movement matches a second predetermined wink movement but the first wink movement fails to match the first predetermined wink movement, zooming out the visual content.

Abstract: The embodiments of the disclosure provide an authentication method performed through a wallet connection interface, an authentication system, and a computer readable storage medium. The method includes: in response to determining that an authentication function of an application on a wearable device is triggered by a user, generating authentication information related to the wallet connection interface; sending the authentication information to a smart device and a server corresponding to the wallet connection interface; in response to receiving the authentication information, providing wallet information of a wallet application of the smart device to the server, wherein the authentication information and the wallet information are for triggering the server to make a match between the wearable device and the smart device; and in response to determining that the wearable device has been matched with the smart device, determining that the user has been authenticated.

Abstract: A head-mounted display device, including a front assembly and a wearable assembly, is provided. The wearable assembly is connected to the front assembly and is adapted for wearing the front assembly to a user's face. The wearable assembly includes a cradle, a coupling mechanism, multiple side headbands, a button, and a position returning member. When the button is pressed relative to the cradle, the button drives the coupling mechanism not to be coupled to the side headbands, so that the side headbands can move freely relative to the cradle to adjust the distance between the cradle and the front assembly. When the button is released relative to the cradle, the position returning member drives the coupling mechanism to be coupled to the side headbands, and tighten the side headbands relative to the cradle through the coupling mechanism.

Abstract: A mobile device includes a system circuit board, a metal frame, one or more other antenna elements, a display device, a first feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame at least includes a first portion and a second portion. The metal frame at least has a first cut point positioned between the first portion and the second portion. The metal frame further has a second cut point for separating the other antenna elements from the first portion. The first cut point is arranged to be close to a middle region of the display device. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion.

Abstract: A neck-mounted power bank is suitable for being hung on a user's neck to supply power to an electronic device. The neck-mounted power bank includes a body, a battery, and a pair of adjustable assemblies. The battery is disposed in the body. The pair of adjustable assemblies are respectively connected to two ends of the body, and define a wearing space with the body. The pair of adjustable assemblies can be rotated relative to the body so as to adjust the size of the wearing space. Each of the pair of adjustable assemblies includes a rotate arm and an angle arm. The rotate arm is rotatably connected to a corresponding end of the body. The angle arm is connected to the rotate arm and has a contact surface. The contact surface is suitable for contacting the user's neck.

Abstract: The embodiments of the disclosure provide a method for pairing devices, an electronic system, and a computer readable storage medium. The method includes: in response to determining a pairing function of a host is triggered, scanning, by the host, for at least one broadcast signal transmitted by at least one electronic device; in response to determining that a first broadcast signal from a first electronic device is scanned, establishing, by the host, a first connection with the first electronic device; providing, by the host, a first operation hint; receiving, by the host, a first operation information from the first electronic device through the first connection; and in response to determining that the first operation information corresponds to the first operation hint, pairing, by the host, with the first electronic device.

Abstract: The embodiments of the disclosure provide a method for inputting letters, a host, and a computer readable storage medium. The method includes: in response to determining that a first hand is presented as a first gesture, showing at least one letter set; in response to determining that the first hand has been changed from the first gesture to a second gesture corresponding to a first letter set among the at least one letter set, showing a subset of the first letter set, wherein the subset of the first letter set comprises at least one letter; in response to determining that a first letter among the at least one letter of the subset of the first letter set has been chosen, inputting the first letter.

Abstract: A neck-mounted power bank includes a neck-mounted portion, a first body and a second body. The first body is connected to an end of the neck-mounted portion. The second body is connected to another end of the neck-mounted portion. The neck-mounted portion, the first body and the second body define a wearing space. The first body includes a first tray and a first controller. The first tray is connected to the neck-mounted portion. The first controller is detachable and electrically connected to the first tray, and has a first controller battery. When the first controller is installed and electrically connected to the first tray, the first controller battery can supply power to an electronic device through the first tray. When the first controller is detached from the first tray, the first controller can control the electronic device wirelessly.