Abstract: The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber. This disclosure is applied to an optical module of a wavelength division multiplex passive optical network.

Abstract: An optical module and an optical device applicable to the optical module, wherein the optical module includes a laser emission unit, a laser reception unit, a video detector and an optical assembly, the optical assembly including: a band-pass device F1 with a small-angle incidence filter sheet, wherein among optical signals transmitted to F1 via a common port of F1, the optical signal in a first optical wavelength band is passed by the small-angle incidence filter sheet and output to the video detector via the passing port thereof; and the optical signals in other bands are reflected by the small-angle incidence filter sheet and output via the reflection port thereof; a filter sheet F2 configured to pass the optical signal emitted by the laser emission unit to the reflection port of F1 and to reflect the optical signal, received by the laser reception unit, output via the reflection port of F1.

Abstract: The invention discloses a method of upgrading a library the of a system application and a terminal, where when it is determined that the package name of an upgrade installation package is recorded in system properties, a user partition is searched by the package name of the upgrade installation package for an upgraded library file corresponding to the upgrade installation package, where the package name of the upgrade installation package is recorded in the system properties when it is determined that an application corresponding to the upgrade installation package is a system application; an original library file stored in a system partition is replaced with the found upgraded library file; and the package name of the upgrade installation package recorded in the system properties is deleted.

Abstract: A method for controlling an input device to be registered with an input handler instance includes: an input handler instance corresponding to a CPU frequency adjusting mode obtains device driver information of an input device upon detection of the input device; determines whether the device driver information is the same as one of sets of registration match information stored in the input handler instance; if so, then sends successful registration information to an input device instance corresponding to the input device to allow an input event to be reported; if the device drive information of the input device is not the same as any of the sets of registration match information, then sends failure registration information to the input device instance to disallow an input event to be reported; and the input device instance stores an identifier of the input handler instance upon reception of the successful registration information.

Abstract: A method of processing a display signal includes: obtaining the average of grayscales of at least one display zone in a previous frame of image and a current frame of image respectively; comparing in magnitude the average of grayscales of at least one display zone in the current frame of image with the average of grayscales of the corresponding display zone in the previous frame of image; and outputting a backlight control value to increase or reduce the brightness of an illuminating element corresponding to the display zone when the average of grayscales of the at least one display zone in the current frame of image is larger or smaller than the average of grayscales of the corresponding display zone in the previous frame of image.

Abstract: The present disclosure provides an image obtaining method, a photographing apparatus and a storage medium. The image obtaining method includes the following operations: obtaining a plurality of images of a target scene at more than one focal lengths; processing a first image to obtain a reference image, wherein in the plurality of images, an image with a predetermined viewing angle is a standard image, and remaining images are first images, and image of the target scene in the reference image has same size as image of the target scene in the standard image; and substituting a clear area in the reference image for a corresponding area in the standard image.

Abstract: A back housing applicable to a curvature-adjustable display device is disclosed, wherein the back housing includes at least three housing bodies which are vertically arranged, the housing bodies are connected by at least two types of housing connectors including a rotating connector and a sliding connector, and the housing connector between adjacent housing bodies is one of the rotating connector and the sliding connector, and wherein the rotating connector is configured to have two adjacent housing bodies connected through rotation, and the sliding connector is configured to have two adjacent bodies connected through sliding.

Abstract: Some embodiments of the application provide a method of providing an information configuration function in a video play device and the video play device, where the method includes: acquiring image information generated actually in a process of playing a current frame of video data in a video stream, preset image match information for matching with the image information and frame attribute information of the frame of video data, wherein the frame attribute information corresponds to a register involved in the process of playing the frame of video data; and judging whether the image match information is consistent with the image information generated actually in the process of playing the frame of video data, and if so, then configuring the frame attribute information to the register involved in the process of playing the frame of video data.

Abstract: The present disclosure provides a packaging structure and a method of packaging an tunable laser device, and an tunable laser device. The packaging structure of the tunable laser device may include a TO tube base and a TO tube cap, wherein a first thermal sink is disposed on the TO tube base, a semiconductor laser chip is disposed on a vertical side of the first thermal sink, an aspheric lens is disposed on the TO tube cap, and the semiconductor laser chip is disposed on a central axis of the aspheric lens; and wherein the vertical side of the first thermal sink is a side of the first thermal sink perpendicular to the TO tube base. The tunable laser device according to the present disclosure may be applicable to communication over an optical fiber.

Abstract: There are provided a method and apparatus for displaying a preview image and a storage medium. The method includes: acquiring frames of image data when there is a need to display a preview image; weighting and processing a frame of image data currently acquired and frames of image data acquired recently for a number M of times to obtain the preview image, wherein M is a positive integer; and displaying the preview image.

Abstract: The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber. This disclosure is applied to an optical module of a wavelength division multiplex passive optical network.

Abstract: A method of starting a camera, a user equipment and a storage medium are provided. A memory in the user equipment is additionally utilized to store calibrated OTP data therein so that the calibrated OTP data stored in the memory can be written directly into a register of an optical sensor of the camera each time the user equipment accesses the camera to thereby avoid OTP data calibration each time the user equipment accesses the camera, and shorten a period of time for the user equipment to access the camera and a period of time for the camera to start while avoiding an overly amount of calibration calculations, lowering a load on a kernel of the user equipment and improving the experience of a user.

Abstract: One or more embodiments of the present application provide a processing method of a scene image of a device with a shooting function, the device with the shooting function and a storage medium. The method includes: determining first and second combined regions in a pre-shot image of a shot scene according to gray values of pixels in the pre-shot image; determining first and second exposures according to the determined first and second combined regions respectively; adjusting respectively gray values of pixels in a first image region corresponding to the first combined region in a first image shot at the first exposure, and gray values of pixels in a second image region corresponding to the second combined region in a second image shot at the second exposure; and splicing the two adjusted image regions together to obtain the scene image.

Abstract: The disclosure discloses an adjustable supporting device and a projection display device. The adjustable supporting device includes a frame and a plurality of strip-shaped connectors, wherein the frame includes a plurality of sub-frames connected in order, and a strip-shaped groove is arranged on the outer wall of each of the sub-frames and extends in the length direction of the sub-frames; each of the strip-shaped connectors has one side installed in corresponding one strip-shaped groove, and the other side located outside the strip-shaped groove to be connected with a side of the soft screen, and a position-limiting protrusion is arranged on the side of the strip-shaped connector located in the strip-shaped groove; and an automatic force adjusting unit is arranged between the strip-shaped groove and the corresponding strip-shaped connector.