Abstract: An optical module includes: a first thermoelectric cooler (TEC) disposed at least partially inside a laser, a second TEC is disposed on a housing of the laser, and a micro control unit (MCU). The first TEC is configured to perform heating or cooling according to an enabling signal input by a MCU. The second TEC is configured to perform heating or cooling according to an enabling signal input by the MCU. The MCU is configured to determine whether to input an enabling signal or a disabling signal to the first TEC and the second TEC according to a size of operating current input by a drive circuit of a laser chip to the laser chip.

Abstract: The present disclosure relates to electronic devices, processes and systems for configuration of a display device. In one embodiment, a method for configuring operation of a display device includes receiving a configuration change from a control device, wherein the configuration change includes one or more changes for presentation of a overlay element for the display device and configuring settings for presentation of a overlay element, wherein the configuration change corresponds to a release of one or more features previously included and inaccessible to settings for presentation of the overlay element by the display device. The method also includes presenting an overlay element based on the configuring, wherein the overlay element is presented by the display device as an overlay to displayed image content. Overlay elements can include a navigation bar, an animation, a poster display, sticker display, and an application home screen.

Abstract: An optical component includes: a first substrate, a second substrate, and a transfer board. A first electrically conductive path is disposed on a top surface of the first substrate. A second electrically conductive path is disposed on a bottom surface of the first substrate. A third electrically conductive path is disposed on a top surface of the second substrate. A microstrip line structure is disposed on the transfer board. The microstrip line structure includes a transfer line disposed on a top surface of the transfer board. The top surface of the second substrate is opposite to the bottom surface of the first substrate, where the second electrically conductive path fits the third electrically conductive path. The transfer board is disposed on the top of the top surface of the second substrate. One end of the transfer line is electrically connected to the first electrically conductive path by a wire bonding.

Abstract: Methods and systems are disclosed for echo suppression of an input audio signal. A multimedia system and a remote control unit are configured to adaptively and dynamically preform calibration processes for obtaining sets of echo suppression parameters. The sets of echo suppression parameters are used to generate an audio signal from an input audio. When rendered by a speaker, the generated audio signal produces echo-suppressed sound of the input audio signal at one of more locations.

Abstract: The present disclosure relates to arranging the orientation of a display on device based on motion of the device. In one embodiment, a method includes detecting motion data for the device. The motion data includes data associated with rotational movement of the device. The method includes analyzing, by a controller, the data associated with rotational movement of the device to determine an orientation for presenting a display of the device. The method may also include controlling the device to rotate the display to the determined orientation.

Abstract: A drive control device and method for an electric expansion valve is disclosed. In the disclosure, before applying a drive pulse signal corresponding to a rotary pulse number to a motor of the electronic expansion valve, a secondary positioning is performed on a relative position between stator magnetic field of the motor and rotor magnetic field of the motor by applying a holding current of a first duration time to the motor, applying an pulse signal of an additional pulse number to the motor, and applying a holding current of a second duration time to the motor, and a same secondary positioning operation is also performed on the motor after applying the drive pulse signal corresponding to the rotary pulse number to the motor of the electronic expansion valve, which ensures that the electronic expansion valve operates according to the drive pulse signal corresponding to the rotary pulse number.

Abstract: A connection structure for a laser and a laser assembly are provided. The connection structure for a laser includes a first insulation substrate, where the first insulation substrate includes a conductive path separately on an upper surface and a lower surface thereof. A second insulation substrate is disposed on the upper surface of the first insulation substrate. An upper surface of the second insulation substrate includes a conductive path. The conductive path on the upper surface of the second insulation substrate is electrically connected to the conductive path on the lower surface of the first insulation substrate via a through-hole. The connection structure for a laser and the laser assembly in the present disclosure are configured to supplying power to a laser.

Abstract: The present disclosure provides a picture display method and apparatus that relate to the field of image processing and are increase flexibility of picture display and reducing a memory occupation rate of a terminal on the premise of not modifying an attribute of an original picture. The method and apparatus include receiving an instruction for displaying a picture; obtaining, according to an identifier of a to-be-displayed picture included in the instruction, an original bitmap of the to-be-displayed picture and searching, a database of a current device for a pre-stored first rotation angle corresponding to the to-be-displayed picture; adjusting, according to a resolution of a current screen and/or a current window size, a display size of the original bitmap of the to-be-displayed picture, so as to obtain a compressed bitmap of the original bitmap; and displaying, according to the first rotation angle, a compressed bitmap of the original bitmap.

Abstract: A system for bidirectional signal transmission may comprise a forward data transmission circuit to unidirectionally transmit a first input signal and a backward data transmission circuit to unidirectionally transmit a second input signal. The backward data transmission circuit may comprises a logic circuit to detect a voltage difference over a resistance element in the forward data transmission circuit. When the voltage difference is lower than a threshold value, the logic circuit outputs a first voltage level. When the voltage difference is greater than or equal to a threshold value, the logic circuit outputs a second voltage level different from the first voltage level.

Abstract: A device for converting wavelength and a projection light source are disclosed in the present disclosure. According to an example, the device may comprise a roller, a drive motor, a first reflector, a support shaft, a drive module and a dichroic film. An axis of the support shaft may be coincided with an axis of the roller. The support shaft may be not rotated with rotation of the roller. The drive motor may drive the roller rotate around the support shaft and the drive module may drive the roller to move back and forth along an axial direction of the support shaft. So excitation light reflected by the first reflector may be incident uniformly on the sidewall of the roller. Therefore, fluorescent powder conversion efficiency may be improved compared with that of the excitation light incident on a fixed area.

Abstract: A light guide film of a mobile device and a mobile device are provided. The light guide film includes a light insulation structure that divides the light guide film into different light guide regions. Each light guide region includes a light inlet configured to receive light from a light source. Different light guide regions correspond to light-transmitting symbols on the mobile device are configured to display different colors.

Abstract: An electronic device includes a waveform generator, a comparator, and an amplifier. The waveform generator receives a voltage from a power supply to the electronic device and outputs a voltage waveform signal. The comparator compares an input signal and the voltage waveform signal to output a first pulse-width-modulated signal. The amplifier receives the first pulse-width-modulated signal and outputs a second pulse-width-modulated signal.

Abstract: The present disclosure relates to methods and devices for detecting control commands and present display notifications. In one embodiment, the method includes displaying a user interface for a message application, wherein the user interface is displayed to include a display window configured for graphical representation of received and transmitted messages for a communication session with an active contact, and a contact display element configured for presentation of one or more contact graphical elements. The method also includes detecting, by the device, a message from a second contact and updating, by the device, presentation of the user interface, wherein a contact graphical element associated with the second contact and associated with the contact display element is displayed including a graphical element identifying a number of unread messages received from the second contact.

Abstract: An optical component includes: a first substrate, a second substrate, and a transfer board. A first electrically conductive path is disposed on a top surface of the first substrate. A second electrically conductive path is disposed on a bottom surface of the first substrate. A third electrically conductive path is disposed on a top surface of the second substrate. A microstrip line structure is disposed on the transfer board. The microstrip line structure includes a transfer line disposed on a top surface of the transfer board. The top surface of the second substrate is opposite to the bottom surface of the first substrate, where the second electrically conductive path fits the third electrically conductive path. The transfer board is disposed on the top of the top surface of the second substrate. One end of the transfer line is electrically connected to the first electrically conductive path by a wire bonding.

Abstract: A method for configuring an application template. A mobile terminal device receives a command input by a user for requesting to create the application template. The application template is configured to indicate an application required to be launched and a layout of a window of the application required to be launched on a screen, and to instruct launching of the application. The mobile terminal device, according to the command for requesting to create the application template, acquires information of identifiers of all of the applications currently displayed on the screen and information of the layout of the window of each of the applications on the screen, and then creates the application template. The application template corresponds to the acquired information of the identifier of a corresponding application and the information of the layout of the window of the corresponding application on the screen.

Abstract: The present disclosure provides a picture display method and apparatus that relate to the field of image processing and are increase flexibility of picture display and reducing a memory occupation rate of a terminal on the premise of not modifying an attribute of an original picture. The method and apparatus include receiving an instruction for displaying a picture; obtaining, according to an identifier of a to-be-displayed picture included in the instruction, an original bitmap of the to-be-displayed picture and searching, a database of a current device for a pre-stored first rotation angle corresponding to the to-be-displayed picture; adjusting, according to a resolution of a current screen and/or a current window size, a display size of the original bitmap of the to-be-displayed picture, so as to obtain a compressed bitmap of the original bitmap; and displaying, according to the first rotation angle, a compressed bitmap of the original bitmap.

Abstract: The present disclosure relates to systems, methods, electronic devices and applications for content streaming with an intermediate content buffer. In one embodiment, a method includes detecting, by a content buffer, a request for network content from a player, wherein the request is a network communication detected by the content buffer and the request for network content is directed to a server and identifying, by the content buffer, associated network content, wherein the associated network content is associated with the network content requested by the player. The method may also include pre-downloading associated network content for the player based on the identifying, wherein the content buffer requests associated network content from the server, and providing the associated network content to the player. Another embodiment is directed to a device configured to run a content buffer and provide content for a content player.

Abstract: A drive control method for an electric expansion valve is disclosed. In the disclosure, before applying a drive pulse signal corresponding to a rotary pulse number to a motor of the electronic expansion valve, a secondary positioning is performed on a relative position between stator magnetic field of the motor and rotor magnetic field of the motor by applying a holding current of a first duration time to the motor, applying an pulse signal of an additional pulse number to the motor, and applying a holding current of a second duration time to the motor, and a same secondary positioning operation is also performed on the motor after applying the drive pulse signal corresponding to the rotary pulse number to the motor of the electronic expansion valve, which ensures that the electronic expansion valve operates according to the drive pulse signal corresponding to the rotary pulse number.