Abstract: A battery module includes a housing, a cell set disposed inside the housing and at least one baffle assembly. The cell set and the housing defines at least one flame guiding channel. The baffle assembly is perpendicular to the flame guiding channel, and has at least slit communicating to the flame guiding channel, which generates routes of compression and expansion for cooling an airflow of a be expelled combustible gas.

Abstract: A projector and a control method are provided. The projector includes a control unit, a storage medium, and a projection module. The control unit includes a script interpreter. The control method includes: detecting whether a first script is stored in the storage medium by the control unit when the projector is in an operation state, in which the first script includes a first script language instruction; interpreting the first script through the script interpreter so as to obtain the first script language instruction in response to the first script being stored in the storage medium; and configuring a display parameter of the projection module according to the first script language instruction, in which the projection module plays a multimedia file according to the display parameter.

Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.

Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.

Abstract: A DC-DC converter and a DC-DC converter operation method are provided. The DC-DC converter includes a power stage, an error amplifier, a pulse width modulation (PWM) generator, and a gate controller. The power stage includes a first transistor and a second transistor. The voltage dividers are configured to perform a voltage division on a first node of the power stage and a second node to generate a first voltage and a second voltage. The first node is an output node of the DC-DC converter and the second node is a node between the first transistor and the second transistor of the DC-DC converter. The comparator is configured to compare the first voltage and the second voltage to generate a turn-on time signal of the first transistor according to a comparison result.

Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.

Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.

Abstract: A DC-DC converter and a DC-DC converter operation method are provided. The DC-DC converter includes a power stage, an error amplifier, a pulse width modulation (PWM) generator, and a gate controller. The power stage includes a first transistor and a second transistor. The power stage is configured to generate an output at a first node. The error amplifier is configured to receive the output from the first node and generates an error signal. The PWM generator is configured to receive the error signal from the error amplifier and generates a pulse width modulation signal. The gate controller includes a plurality of voltage dividers and a comparator. The voltage dividers are configured to perform a voltage division on the first node and a second node to generate a first voltage and a second voltage. The first node is an output node of the DC-DC converter and the second node is a node between the first transistor and the second transistor of the DC-DC converter.

Abstract: A backlight module and a display device are provided. The display device includes a display panel and a backlight module. The backlight module includes a back plate, a spacer element, and an optical element. The spacer element passes through the back plate and includes a base portion, a supporting portion, a positioning portion and a first protruding portion. The base portion has a first surface and a second surface. The supporting portion is disposed on the first surface. The positioning portion is disposed on the second surface. The first protruding portion is disposed on the second surface and is located around the positioning portion. The first protruding portion has a third surface away from and parallel to the second surface. The optical element is disposed on the spacer element. A part of the back plate is located between the base portion and a part of the positioning portion.

Abstract: A backlight module and a display device are provided. The display device includes a display panel and a backlight module. The backlight module includes a back plate, a spacer element, and an optical element. The spacer element passes through the back plate and includes a base portion, a supporting portion, a positioning portion and a first protruding portion. The base portion has a first surface and a second surface. The supporting portion is disposed on the first surface. The positioning portion is disposed on the second surface. The first protruding portion is disposed on the second surface and is located around the positioning portion. The first protruding portion has a third surface away from and parallel to the second surface. The optical element is disposed on the spacer element. A part of the back plate is located between the base portion and a part of the positioning portion.

Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.

Abstract: A circuit includes a first circuit that operates at a first-circuit supply voltage value and generates at least one of a first reference voltage value or a second reference voltage value, based on a voltage rated for transistors in a second circuit. The second circuit operates at the first-circuit supply voltage value and receives a first signal and at least one of the first reference voltage value or the second reference voltage value. The first signal is configured to swing between a low voltage value and a high voltage value lower than the first-circuit supply voltage value. The second circuit keeps a voltage across two terminals of a first transistor in the second circuit below the voltage rated for the first transistor, based on the at least one of the first reference voltage value or the second voltage value.

Abstract: A tube crimper includes a front crimper including a crimper body and multiple crimper wires arranged in a U shape and defining with the crimper body a U-shaped closed space therebetween, a die block mounted in the U-shaped closed space, and a hydraulic device having a pusher inserted through the crimper body of the front crimper and connected with the die block. After insertion of the tube and connector to be crimped into the U-shaped closed space, the hydraulic device is operated to move the pusher, causing the die block and the crimper wires to crimp the tube onto the connector.

Abstract: A display device includes a display panel and a light transmission layer disposed on the display panel. The display panel has an active area having a first side and a second side opposite to the first side and outputting a main image, and an auxiliary area located outside of and distributed along the first side and outputting an auxiliary image. The light transmission layer has a bottom surface facing the active area and receiving the main image. A light entrance surface and a reflective surface are located at sides of the bottom surface corresponding to the first side for receiving the auxiliary image and to the second side while inclining outward away from the bottom surface, respectively. After entering the light entrance surface, the auxiliary image is transmitted to the reflective surface and reflected outside one side of the main image corresponding to the second side via the reflective surface.

Abstract: A circuit includes a first circuit that operates at a first-circuit supply voltage value and generates at least one of a first reference voltage value or a second reference voltage value, based on a voltage rated for transistors in a second circuit. The second circuit operates at the first-circuit supply voltage value and receives a first signal and at least one of the first reference voltage value or the second reference voltage value. The first signal is configured to swing between a low voltage value and a high voltage value lower than the first-circuit supply voltage value. The second circuit keeps a voltage across two terminals of a first transistor in the second circuit below the voltage rated for the first transistor, based on the at least one of the first reference voltage value or the second voltage value.

Abstract: A display device includes a display panel and a light transmission layer disposed on the display panel. The display panel has an active area having a first side and a second side opposite to the first side and outputting a main image, and an auxiliary area located outside of and distributed along the first side and outputting an auxiliary image. The light transmission layer has a bottom surface facing the active area and receiving the main image. A light entrance surface and a reflective surface are located at sides of the bottom surface corresponding to the first side for receiving the auxiliary image and to the second side while inclining outward away from the bottom surface, respectively. After entering the light entrance surface, the auxiliary image is transmitted to the reflective surface and reflected outside one side of the main image corresponding to the second side via the reflective surface.

Abstract: A circuit comprises a first circuit and a second circuit. The first circuit is configured to operate at a first-circuit supply voltage value, and to generate a first reference voltage value based on a voltage rated for transistors in a second circuit. The second circuit is configured to operate at a second-circuit supply voltage value, to receive a first signal and the first reference voltage value, and to clamp an input node of the second circuit based on the first reference voltage value. The second-circuit supply voltage value is less than the first-circuit supply voltage value. The first signal is configured to swing between a low voltage value and a voltage value higher than the second-circuit supply voltage value.

Abstract: A computer-implemented method for providing advertisements in an augmented reality environment to a user includes receiving data related to a marker, the marker placed amongst one or more physical objects captured by the video camera. The computer-implemented method also includes retrieving dynamic digital content associated with the marker. Further, the computer-implemented method includes displaying the dynamic digital content amongst the one or more physical objects. Furthermore, the computer-implemented method includes receiving a user interaction with the dynamic digital content. Moreover, the computer-implemented method includes performing an action based on the user interaction.

Abstract: A pipe positioning device for pipe expander includes a mold positioning device defining therein a locating space, an axle located at an outer side of the mold positioning device, and a stop member including a barrel pivotally coupled to and movable along the axle, an extension arm extended from the barrel and a stop plate located at the distal end of the extension arm and turnable about the axle into the locating space to abut at a front end of a mold in the locating space for stopping against a pipe in the mold for expanding, facilitating quick pipe expanding.

Abstract: A pipe crimping tool includes a positioning unit including a positioning base defining therein a positioning space and having a connection portion and a first side arm amd a second side arm respectively extended from two opposite ends of the connection portion in parallel and respectively terminating in a first stopper and a second stopper, two position-limit members respectively disposed at the first side arm and the second side arm at a bottom side, a connection unit pivotally connected to the first stopper and lockable to the second stopper to close the passage of the positioning space, and a hydraulic cylinder connected to the positioning base to hold a pressure block in the positioning space and operable to move the pressure block in achieving a crimping operation.