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 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 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: A head-mounted display device includes a front assembly, a wearable assembly, and a cushion module. The wearable assembly is connected to the front assembly and is suitable for wearing the front assembly onto a face of a user. The cushion module includes a hard member, a soft member, and a fan. The hard member is connected to the wearable assembly. The soft member is connected to the hard member to contact skin of the user, and has a rear channel. The fan communicates with the rear channel. The soft member is connected to the hard member to contact the skin of the user, and the fan drives airflow to flow through the rear channel of the soft member to provide a heat dissipation effect.

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 virtual image display system and a pointing direction control method of a control device thereof are proposed. The pointing direction control method of the control device includes causing the control device to display an index pattern having a recognition pointing direction, causing a virtual image display device to capture the index pattern displayed by the control device, and causing the virtual image display device to analyze the recognition pointing direction of the index pattern and to display a control cursor according to the recognition pointing direction.

Abstract: A case assembly and a wireless communication device are provided. The case assembly includes a metal case and a plastic cladding body. The metal case includes an inner side and an outer side, the inner side is opposite to the outer side, the metal case includes a hollow portion and an antenna portion, the hollow portion is adjacent to a side of the antenna portion. The plastic cladding body is disposed on the metal case, and completely covers the outer side of the metal case, partially covers the inner side of the metal case, and fills the hollow portion. The wireless communication device includes a case assembly and a radio frequency signal module. The radio frequency signal module is electrically connected to the antenna portion of the case assembly. Thus, the structural rigidity of the wireless communication device and its case assembly is kept, and the production cost is reduced.

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 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: An optical tracking system includes optical source devices. The optical source devices are configured to emitting optical signals. A control method, suitable for the optical tracking system, includes following operations. A dimensional scale to be covered by the optical tracking system is obtained. Signal strength of the optical signals provided by the optical source devices is adjusted according to the dimensional scale. The signal strength of the optical signals is positively correlated with the dimensional scale.

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: 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.

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: The embodiments of the disclosure provide a method for adjusting a virtual object, a host, and a computer readable storage medium. The method includes: obtaining a first field of view (FOV) of a virtual world; obtaining a second FOV of a camera, wherein a first physical object locates within the second FOV of the camera; determining a FOV ratio based on the first FOV and the second FOV; determining a first position of a first virtual object in the virtual world relative to a reference object in the virtual world, wherein the first virtual object corresponds to the first physical object; determining a second position of the first virtual object in the virtual world based on the first position and the FOV ratio; and showing the first virtual object at the second position in the virtual world.

Abstract: An indoor space positioning method includes capturing an initial image using the camera in a head-mounted display (HMD) and enabling the transmission interface to download from a server the initial share map that corresponds to the initial image. The processor in the head-mounted display locates the head-mounted display at an initial location in an indoor space.

Abstract: A circuit board includes a first layer, a second layer, a third layer, a plurality of plating through holes, at least one first intermediate layer and at least one second intermediate layer. The first layer and the second layer are used as reference voltage planes. A plurality of transmission wires are disposed on the third layer. The transmission wires are coupled to a wireless signal transceiver and a plurality of antenna arrays; wherein the third layer is disposed between the first layer and the second layer. The plating through holes are disposed at sides of the third layer, wherein the plurality of plating through holes are configured to connect the first reference voltage plane with the second reference voltage plane. The first intermediate layer is disposed between the first layer and the third layer, and the second intermediate layer is disposed between the second layer and the third layer.