Abstract: An organic-inorganic hybrid material is disclosure. The organic inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cm?1 in FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines.

Abstract: A fingerprint sensing module suitable for receiving a sensing light beam and an electronic device is provided. The fingerprint sensing module includes a sensing element, a light transmitting layer disposed on the sensing element, a micro-lens layer disposed on the light transmitting layer, and a first light shielding layer disposed in the light transmitting layer and including multiple first openings arranged in an array. Positions of the first openings in odd-numbered rows are the same, and those in even-numbered rows are the same. Positions the first openings in the odd-numbered rows are different from those in the even-numbered rows. A sensing light beam includes multiple first light beams incident to a part of a sensing unit in a first transmission direction and multiple second light beams incident to another part of the sensing unit in a second transmission direction. The first transmission direction is different from the second transmission direction.

Abstract: Examples of the disclosure describe systems and methods for presenting virtual content on a wearable head device. In some embodiments, a state of a wearable head device is determined by minimizing a total error based on a reduced weight associated with a reprojection error. A view reflecting the determined state of the wearable head device is presented via a display of the wearable head device. In some embodiments, a wearable head device calculates a preintegration term based on the image data received via a sensor of the wearable head device and the inertial data received via a first IMU and a second IMU of the wearable head device. The wearable head device estimates a position of the device based on the preintegration term, and the wearable head device presents the virtual content based on the position of the device.

Abstract: An encrypted hard disk device is provided, including a near-field communication (NFC) sensing module, a processor, a storage unit, and a power switch. The NFC sensing module is configured to read a user identification (UID) of at least one sensor element. The processor is electrically connected to the NFC sensing module and the storage unit. The processor receives the UID and generates a control signal when the UID is approved. The power switch is electrically connected to the processor and the storage unit and maintains a conducting state according to the control signal and supplies power to the storage unit for accessing the storage unit.

Abstract: A lighting ventilation fan is disclosure and includes a housing, a grille support, a fan module, a lighting base, plural connecting columns, a lighting module and a function module. The grille support, the lighting base and the lighting module form a grille structure mounted under a ceiling. The fan module disposed within the housing forms an airflow flowing. The lighting base and the grille support are connected through the plural connecting columns and spaced apart from each other. An inlet radially formed between the lighting base and the grille support is in communication with the outlet through the grille opening. The lighting base includes a holder having a holding opening axially downward and faced away from the housing. The lighting module is disposed in the lighting base and has a light-emitting surface emitting light axially and radially. The function module is disposed within the holder through the holding opening.

Abstract: A ventilation system comprises a ventilation fan with a lamp and a ceiling which has an installation opening. The ventilation fan with the lamp is adapted for installing to the ceiling through the installation opening. The ventilation fan comprises a housing, a fan module, and a lamp module. The housing includes a top plate and a side wall which are connected with each other to form a first opening. The first opening is aligned with the installation opening. The fan module is disposed in the housing. The lamp module is disposed out of the installation opening. The lamp module and the housing are located at opposite sides of the installation opening of the ceiling. The lamp module includes a light source, a base, at least one optical component, a switch and a lamp cover. The optical component and the switch are disposed at the different sides of the base.

Abstract: Examples of the disclosure describe systems and methods for presenting virtual content on a wearable head device. In some embodiments, a state of a wearable head device is determined by minimizing a total error based on a reduced weight associated with a reprojection error. A view reflecting the determined state of the wearable head device is presented via a display of the wearable head device. In some embodiments, a wearable head device calculates a first preintegration term and second preintegration term based on the image data received via a sensor of the wearable head device and the inertial data received via a first IMU and a second IMU of the wearable head device. The wearable head device estimates a position of the device based on the first and second preintegration terms, and the wearable head device presents the virtual content based on the position of the device.

Abstract: A ventilation system includes a ventilation fan with a lamp module, the ventilation fan includes a housing, a base, and a fan module. The base is located below the housing, and the base includes a first flow guiding structure. The fan module is disposed in the housing, and the fan module includes a second flow guiding structure.

Abstract: A ventilation system comprising a ventilation fan with a lamp and a ceiling having an installing opening. The ventilation fan includes a housing having a first opening and a second opening, a fan module and a lamp module. The lamp module is fixed to the first opening by a plurality of elastic elements passing through the housing. Wherein the lamp module comprises a LED light source, a base, at least one optical component and a lamp cover. The lamp cover is disposed at one side of the optical component away from the base. The light output direction of a LED light source of the lamp module is different from the light output direction of the lamp module. Wherein the lamp module contacts the ceiling by a support to form a gap configured between the lamp module and the support, and the gap serves as the air inlet.

Abstract: An electronic device is provided. The electronic device includes a metal housing, an insulation element, and an antenna unit. The insulation element is disposed on the metal housing and includes a first heat dissipation hole. The antenna unit is disposed on the insulation element and includes a radiation portion and a feeding portion. The radiation portion is composed of a conductor. The feeding portion is electrically connected to the radiation portion and a grounding plane. In this way, according to the electronic device, space configuration inside the electronic device is saved and a shielding effect of the metal housing is prevented from affecting stability of sending and receiving a signal.

Abstract: A manufacturing method of a sensing module for an optical fingerprint sensor is provided. A plurality of photo detectors are formed in a light sensing layer. The photo detectors are arranged in a sensing array. A plurality of collimators are formed in a light filter layer. The collimators are divided into a plurality of collimator groups corresponding to the photo detectors. The collimator groups are arranged in a collimator group array. The light sensing layer is attached to the light filter layer so that the light filter layer is disposed on the light sensing layer and the collimator group array of the light filter layer is aligned with the sensing array of the light sensing layer. Each of the collimator groups corresponds to one of the photo detectors, and aligned with and disposed above the corresponding photo detector. Each of the collimator groups comprises the same number of collimators arranged in a specific pattern.

Abstract: Examples of the disclosure describe systems and methods for presenting virtual content on a wearable head device. In some embodiments, a state of a wearable head device is determined by minimizing a total error based on a reduced weight associated with a reprojection error. A view reflecting the determined state of the wearable head device is presented via a display of the wearable head device. In some embodiments, a wearable head device calculates a first preintegration term and second preintegration term based on the image data received via a sensor of the wearable head device and the inertial data received via a first IMU and a second IMU of the wearable head device. The wearable head device estimates a position of the device based on the first and second preintegration terms, and the wearable head device presents the virtual content based on the position of the device.

Abstract: A ventilation fan with lamp is used to be installed to a ceiling including an installation opening and comprises a housing, a fan module and a lamp module. The housing includes a first opening and a second opening, and the first opening is aligned with the installation opening. The fan module is disposed in the housing. The lamp module is fixed to the first opening by a plurality of elastic elements passing through the housing and includes a lamp cover, a base and a lens. The lamp cover includes a flange portion and a plurality of contact portions, the flange portion and the contact portions are disposed outside the installation opening of the ceiling. The lamp module is connected to the ceiling via the contact portions to make a gap between the lamp cover and the ceiling, and the gap serves as an air inlet of the ventilation fan.

Abstract: An organic-inorganic hybrid material is disclosure. The organic inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cm?1 in FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines.

Abstract: An optical fingerprint sensing module for sensing a fingerprint pattern of a finger placed on an upper surface of a display panel module is provided, wherein light is generated by the display panel module and reflected by the finger. The optical fingerprint sensing module includes a substrate, an image sensor disposed above the substrate, a collimating layer disposed above the image sensor, a light permeable layer disposed above the collimating layer, and a pinhole layer disposed above the light permeable layer. The collimating layer has a plurality of collimating holes, and the pinhole layer has a plurality of pinholes, wherein the number of collimating holes is greater than the number of pinholes. Light is reflected by the finger and then sequentially propagates through the pinholes, the light permeable layer, and the collimating holes to reach the image sensor.

Abstract: A battery charging apparatus includes a charging power source, a plurality of charging circuits, a plurality of batteries, a plurality of switching circuits and a control circuit. The control circuit is configured to determine the type of charging power source based on a current-voltage curve of the charging power source, and to control conduction states of the switching circuits to connect the charging circuits and the batteries in series in a series charging mode and to connect the charging circuits and the batteries in parallel in an equalizing charging mode. A battery charging method of the battery charging apparatus is also introduced.

Abstract: A manufacturing method of a sensing module for an optical fingerprint sensor is provided. A plurality of photo detectors are formed in a light sensing layer. The photo detectors are arranged in a sensing array. A plurality of collimators are formed in a light filter layer. The collimators are divided into a plurality of collimator groups corresponding to the photo detectors. The collimator groups are arranged in a collimator group array. The light sensing layer is attached to the light filter layer so that the light filter layer is disposed on the light sensing layer and the collimator group array of the light filter layer is aligned with the sensing array of the light sensing layer. Each of the collimator groups corresponds to one of the photo detectors, and aligned with and disposed above the corresponding photo detector. Each of the collimator groups comprises the same number of collimators arranged in a specific pattern.