Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.

Abstract: A configuration information setting method including: receiving a user-triggered information setting indication; generating, according to the information setting indication, an information setting instruction including setting indication data, the setting indication data configured to instruct the source driver to set configuration information of the source driver according to the setting indication data; and transmitting the information setting instruction to the source driver via the first signal line.

Abstract: A data transmission method, a chip, a controller, and a display device. The method is applied to a target driving chip in the display device. The display device includes a controller (01), a plurality of driving chips (02), and an in-cell touch display panel (03). The target driving chip is one of the plurality of driving chips (02). The target driving chip is respectively connected to the controller (01) and the in-cell touch display panel (03). The method includes: receiving state data acquired by the in-cell touch display panel, the state data being configured to reflect a working state of the in-cell touch display panel; and sending return data to the controller, the return data including the state data which includes control data.

Abstract: The present disclosure relates to a data transmission method and device, a display screen, and a display device, and belongs to the application field of display technology. The method is applicable to a first drive chip in a display device that includes a controller, a plurality of drive chips and a data acquisition apparatus. The first drive chip is one of the plurality of drive chips and connected to the controller and the data acquisition apparatus respectively. The method includes: receiving component-related data acquired by the data acquisition apparatus; and sending backhaul data to the controller, the backhaul data including the component-related data. The present disclosure solves the problem of function singleness of the drive chip. The present disclosure is applicable to drive and control the display device.

Abstract: An accessory device for a portable electronic device is described. The accessory device includes a front cover connected to a back cover. The front cover includes multiple segments rotatable with respect to each other. The segments include magnets that allow the segments, through magnetic coupling, to couple with another segment or with the portable electronic device. When the front cover engages the back cover, a user may remove, or pull away, a segment from the back cover, causing the remaining segments to sequentially fall away from the back cover. In some instances, when the front cover at least partially engages the back cover, one of the segments includes magnets designed to couple with magnets in the back cover, but not with magnets in another segment. The accessory device may further include an opening that receives a camera assembly of the portable electronic device and forms a mechanical interlock.

Abstract: A method for correcting a measured value of a measured variable with reference to a medium flowing through at least two measuring tubes, wherein each measuring tube is excited by an oscillation exciter to execute oscillations, and wherein the oscillations of each measuring tube are registered by oscillation sensors, wherein an electronic circuit monitors at least two of the following measured variables or, in each case, a measured variable derived therefrom: phase difference between measurement signals, resonant frequency, ratio of an oscillation exciter electrical current amplitude to a measuring tube oscillation amplitude, the method including: determining a plausibility; and, wherein upon failing a plausibility requirement of at least one of the measured variables, determining measured values of the measured variables of at least one, first/second measuring tube as a function of corresponding measured values of the measured variables of at least one, second/first measurement tube.

Abstract: A measuring system comprises: a measuring transducer; transmitter electronics; at least one measuring tube; and at least one oscillation exciter. The transmitter electronics delivers a driver signal for the at least one oscillation exciter, and for feeding electrical, excitation power into the at least one oscillation exciter. The driver signal, has a sinusoidal signal component which corresponds to an instantaneous eigenfrequency, and in which the at least one measuring tube can execute, or executes, eigenoscillations about a resting position. The eigenoscillations have an oscillation node and in the region of the wanted, oscillatory length exactly one oscillatory antinode. The driver signal has, a sinusoidal signal component with a signal frequency, which deviates from each instantaneous eigenfrequency of each natural mode of oscillation of the at least one measuring tube, in each case, by more than 1 Hz and/or by more than 1% of said eigenfrequency.

Abstract: Embodiments describe a magnetic securing component including a set of magnets positioned laterally adjacent to one another and having a curved top surface defined by individual curved top surfaces of each magnet in the set of magnets. The set of magnets includes: first and second magnets positioned laterally adjacent to one another, where the first and second magnets each have a polarity that is oriented parallel to a vertical dimension; and third and fourth magnets laterally positioned from the first and second magnets, where the third magnet is positioned adjacent to the first magnet and the fourth magnet is positioned adjacent to the second magnet, the third and fourth magnets each having a magnetic polarity that is oriented at an angle with respect to the vertical dimension.

Abstract: A drive control method, an assembly and a display device, belonging to the field of panel manufacturing, for signal drive control of a display panel. The drive control method is applied to a time sequence controller, the time sequence controller is connected through a first signal line to a plurality of source drivers which are connected in parallel. The drive control method includes generating a broadcast configuration instruction, the broadcast configuration instruction being used for instructing a plurality of source drivers to perform driver configuration according to the broadcast configuration instruction, and sending the broadcast configuration instruction through the first signal line.

Abstract: An apparatus for micromachining a semiconductor material from opposing sides through synchronous coordination of laser and electrochemistry includes an optical path system, a stable low-pressure jet generation system, and an electrolytic machining system. The optical path system includes a laser generator, a beam expander, a reflector, a galvanometer, and a lens. The electrolytic machining system includes a direct-current pulsed power supply, an adjustable cathode fixture, an electrolyte tank, a current probe, and an oscilloscope. The stable low-pressure jet generation system provides an electrolyte flow into a metal needle. The electrolyte flow forms an electrolyte layer between a semiconductor material and a cathode copper plate, such that the cathode and the anode are in electrical contact with each other. In a method employing the apparatus, a laser beam is irradiated onto the semiconductor material to form a local high-temperature region, which leads to a localized increase in electrical conductivity.

Abstract: The present disclosure provides a compensation method, compensation device, and a display device. The compensation method includes: adjusting charging time for multiple areas of the display screen so that the charging time for each area is positively related to a distance from the area to a data voltage input terminal; comparing a first grayscale value before compensation of a sub-pixel in an i-th row and j-th column with a second grayscale value input to a sub-pixel in an (i?1)-th row and j-th column; searching a corresponding grayscale compensation parameter from a grayscale compensation parameter table according to the first grayscale value and the second grayscale value; compensating the first grayscale value by the grayscale compensation parameter to obtain a third grayscale value; and inputting the third grayscale value to the sub-pixel in the i-th row and j-th column for display.

Abstract: A device for insulating a cathode surface in electrochemical machining is provided. The cathode surface insulation device is characterized in that super-hydrophobic micro-structures are prepared in regions to be insulated on the cathode surface, so as to realize selective insulation of the surface of the tool cathode, and thereby achieve objects of constraining an electrical field in the processing area, reducing stray corrosion and side surface taper, and improving processing efficiency and accuracy.

Abstract: The present disclosure describes a data transmission method, a timing controller, a source driver, and a data transmission system. The method includes: when the timing controller transmits data to the source driver at a speed n times a preset speed, the timing controller suspends transmission of valid data with the source driver after completing transmission of a first data packet; and the transmission of valid data with the source driver is resumed at a transmitting time of a second data packet; the first data packet and the second data packet each includes valid data of a row of sub-pixels, or each includes valid data of a frame. The present disclosure completes the transmission of the first data packet in advance by increasing the transmission speed, then suspends the data transmission, and resumes the data transmission at the transmitting time of the second data packet, thereby reducing the power consumption.

Abstract: The invention relates to a method for operating a Coriolis measuring device where at least two sensors register measuring tube oscillations excited by at least one exciter. The sensors are arranged one after another along a measuring tube centerline, wherein a first sensor registers a first, inlet side, oscillation characteristic of the measuring tube oscillation, and a second sensor registers at least a second, outlet side, oscillation characteristic of the measuring tube oscillation. A local concentration fluctuation or incidence fluctuation of an additional component influences the measuring tube oscillation in a region of the local concentration fluctuation or incidence fluctuation. In a first method step shifting the local concentration fluctuation or incidence fluctuation is registered using at least two sensors. In a second method step a velocity of the second component is calculated based on the registered shifting of the local concentration fluctuation or incidence fluctuation.

Abstract: A wristband can comfortably secure an electronic device, such as a wristwatch or fitness/health tracking device, to a wrist of a user. The wristband can include a number of magnets that allow the wristband to be magnetically coupled to itself when folded over or when separate band portions are overlapping. The magnets can include a polymer mixed with a magnetic material to provide magnetic properties and flexibility. The magnets can be joined together by a continuous support structure that extends through opposing pairs of the magnets. The support structure can provide substantial and ability as well as tensile strength. The magnets and the support structure can be surrounded by a flexible cover to protect the components within.

Abstract: The disclosure discloses a synthetic method for benzimidazo[1,2-c]quinazolin-6-ones and belongs to the field of organic synthesis. In the disclosure, an ?-ketoamide compound shown as Formula I and an o-phenylenediamine compound shown as Formula II are used as substrates and undergo a reaction under the action of a catalyst and a base to obtain benzimidazo[1,2-c]quinazolin-6-ones shown as Formula III. In the disclosure, benzimidazo[1,2-c]quinazolin-6-ones are prepared based on a novel and efficient action mechanism, and the disclosure has the advantages that the raw materials are cheap, the catalyst is cheap and easy to obtain, the reaction is efficient and environmentally friendly, the substrate range is wide, the yield is high, and the operation is simple.

Abstract: A modularized extendable battery changing station device and a charging rack are disclosed, which belong to the technical field of electric vehicle battery charging and swapping. The present technical solutions aim to the solve problems of occupying a large area, a low modularity degree and poor extendibility of the existing battery changing station. For this purpose, the battery changing station device provided in the present technical solutions comprises a charging rack and a battery transfer device; the charging rack comprises at least a battery storage module, the battery storage module being able to realize the storage and charging of a battery, and the battery transfer device being able to pass through the battery storage module. The extendable battery changing station device provided in the technical solutions is able to integrate the functions of power battery transfer, storage and charging.

Abstract: A measuring system comprises: a measuring transducer; transmitter electronics; at least one measuring tube; and at least one oscillation exciter. The transmitter electronics delivers a driver signal for the at least one oscillation exciter, and for feeding electrical, excitation power into the at least one oscillation exciter. The driver signal, has a sinusoidal signal component which corresponds to an instantaneous eigenfrequency, and in which the at least one measuring tube can execute, or executes, eigenoscillations about a resting position. The eigenoscillations have an oscillation node and in the region of the wanted, oscillatory length exactly one oscillatory antinode. The driver signal has, a sinusoidal signal component with a signal frequency, which deviates from each instantaneous eigenfrequency of each natural mode of oscillation of the at least one measuring tube, in each case, by more than 1 Hz and/or by more than 1% of said eigenfrequency.

Abstract: A measuring transducer includes a support body, a curved oscillatable measuring tube, an electrodynamic exciter, at least one sensor for registering oscillations of the measuring tube, and an operating circuit. The measuring tube has first and second bending oscillation modes, which are mirror symmetric to a measuring tube transverse plane and have first and second media density dependent eigenfrequencies f1, f3 with f3>f1. The measuring tube has a peak secant with an oscillation node in the second mirror symmetric bending oscillation mode. The operating circuit is adapted to drive the exciter conductor loop with a signal exciting the second mirror symmetric bending oscillation mode. The exciter conductor loop has an ohmic resistance R? and a mode dependent mutual induction reactance Rg3 which depends on the position of the exciter.

Abstract: A measuring device for determining density, mass flow rate and/or viscosity of a flowable medium includes: an oscillator including at least one oscillatable measuring tube for conveying the medium, and having at least one oscillatory mode, whose eigenfrequency depends on density of the medium; an exciter for exciting the oscillatory mode; at least one oscillation sensor for registering oscillations of the oscillator; and an operating-evaluating circuit, which is adapted to supply the exciter with an excitation signal, to register signals of the oscillation sensor, based on the signals of the oscillation sensor to ascertain current values of the eigenfrequency of the oscillator as well as variations of the eigenfrequency, and to determine a value characterizing density variations of the medium, wherein the value depends on a function, which is proportional to the variation of the eigenfrequency and has an eigenfrequency dependent normalization.