Abstract: A method for determining timing of oil filling for a ball screw can determine whether the oil film in a specific time period is sufficient, falling or insufficient, and then know the optimum timing of oil filling, by comparing the sum of the slope values within respective time periods with a predetermined value. The method is further capable of determining the timing of oil filling even when the rotation speed of the ball screw changes. The method includes a step of signal acquisition, a step of converting signal, a step of defining and saving eigenvalues, a step of calculating eigenvalues, and a step of determining oil filling.

Abstract: A chip is provided. A power transmission path and a data transmission path are coupled between an upstream port and a downstream port. A first detection unit generates a first trigger signal when a voltage level of the power transmission path reaches a first predetermined value. A first control unit turns on the data transmission path according to the first trigger signal. A second detection unit detects a voltage level of the data transmission path. When the voltage level of the data transmission path matches a pre-determined condition, the second detection unit generates a second trigger signal, and the first control unit turns off the data transmission path according to the second trigger signal. A setting unit sets the voltage level of the data transmission path when the first control unit turns off the data transmission path.

Abstract: The present disclosure relates to a system and method for codebook construction and use thereof in image quality assessment. A codebook including a plurality of code words may be provided. Each one of the plurality of code words may have a reference score relating to image quality. A test image may be acquired. One or more feature vectors may be extracted from the test image based on statistical independence between neighboring divisive normalization transform coefficients of the test image. A score may be generated based on a comparison between the extracted feature vectors of the test image and at least some of the plurality of code words in the codebook and the corresponding reference scores of the code words.

Abstract: An electronic atomizer capable of detecting a counterfeit liquid container is illustrated. The electronic atomizer includes a liquid container, a power supply module and a storage box. The liquid container includes an identification code carrier and an atomizing component. The liquid container accommodates fluid to be atomized, and the power supply module provides power to the atomizing component for atomization of the fluid. The storage box has a receiving space and is provided with an identifying device configured to identify the identification code carrier of the liquid container which is placed in the receiving space. Also illustrated are an anti-counterfeit system and a method thereof.

Abstract: A connection device including a first connection port, a second connection port, a third connection port and a chip is provided. When a host device is coupled to the first connection port and an electronic device is coupled to the second connection port, the connection device sets the level of an identification pin of the second connection port to a high level such that the electronic device operates in a device mode. In the device mode, the host device provides power to the electronic device. When the electronic device is coupled to the second connection port and a peripheral device is coupled to the third connection port, the connection device sets the level of the identification pin to a low level such that the electronic device operates in a host mode. In the host mode, the electronic device provides power to the peripheral device.

Abstract: A connector includes a metal connecting element, a solder pad, and a control chip. Multiple contacts are disposed on the metal connecting element, and the metal connecting element is configured to connect with an electronically marked cable. The solder pad is disposed on a surface of the metal connecting element. The control chip is affixed to the solder pad and configured to store data and process transmission of data and power via the electronically marked cable according the stored data. Multiple chip pins of the control chip are electrically connected with the contacts via the solder pad, and the control chip is configured to update the stored data upon receipt of a signal.

Abstract: A linear transmission device includes a shaft, a moving member movably provided on the shaft, and a lubrication unit provided at the moving member. The lubrication unit has a lubricant container and a block. The lubricant container has a storage space which communicates with the interior of the moving member via a lubricant dispensing opening. The block is provided in the storage space of the lubricant container and can be displaced by an inertial force generated by movement of the moving member so that, during its displacement, the block squeezes the lubricant in the storage space, thereby driving the lubricant into the interior of the moving member through the lubricant dispensing opening for lubrication.

Abstract: A method for determining timing of oil filling for a ball screw can determine whether the oil film in a specific time period is sufficient, falling or insufficient, and then know the optimum timing of oil filling, by comparing the sum of the slope values within respective time periods with a predetermined value. The method is further capable of determining the timing of oil filling even when the rotation speed of the ball screw changes. The method includes a step of signal acquisition, a step of converting signal, a step of defining and saving eigenvalues, a step of calculating eigenvalues, and a step of determining oil filling.

Abstract: A ball screw device includes an elongated shaft having an outer groove, a ball nut having a screw hole for receiving the elongated shaft and having a passage communicating with the screw hole of the ball nut, and a lubricating device includes an oil distributing member engaged into the ball nut and having one end portion engaged into the ball nut for engaging with the groove of the elongated shaft, and a spacing element is attached onto an outer peripheral portion of the distributing member, and the spacing element includes an end portion engaged into the ball nut for engaging with the elongated shaft and for spacing the distributing member from being engaged with the elongated shaft.

Abstract: The present invention relates to new medical uses of morphinans such as naltrexone, nalmefene and their related derivatives. The present invention relates to Toll-like receptor 4 (TLR4) antagonist compounds, and pharmaceutical formulations thereof, and use thereof for prevention and treatment of autoimmune liver diseases including but not limited to autoimmune hepatitis.

Abstract: A ball screw device includes an elongated shaft having an outer groove, a ball nut having a screw hole for receiving the elongated shaft and having a passage communicating with the screw hole of the ball nut, and a lubricating device includes an inner cylindrical element engaged onto the elongated shaft and secured to the ball nut, a housing attached onto the cylindrical element and contacted with the ball nut, and the housing includes a chamber for receiving a lubricating grease, an oil distributing member is engaged into the passage of the ball nut and engaged into the screw hole of the ball nut for engaging with the elongated shaft, and an inner element is engaged in the housing and engaged with the distributing member for supplying the lubricating grease to the distributing member.

Abstract: An electronic apparatus and a method for expanding a storage capacity of the electronic apparatus are provided. In the method, at least one storage equipment on a network is searched and logged in by using a network interface. A virtual disk is established and a volume of at least one disk in each storage equipment is attached to the virtual disk as a physical volume of the electronic apparatus. The physical volume is transformed into a logical volume and a file system of the logical volume is established for providing the electronic device to access the logical volume.

Abstract: A power supply device includes a power conversion module and a power regulating module. The power conversion module is configured to convert an AC electric power into a DC electric power. The power regulating module includes a microprocessor, a voltage-dividing resistor, a constant-voltage regulator, and a constant-current regulator. The voltage-dividing resistor is electrically connected to the setting resistor and the microprocessor. The constant-voltage regulator is electrically connected to the power conversion module, the dividing resistor, and the setting resistor; The constant-current regulator is electrically connected to the power conversion module and the microprocessor.

Abstract: A control method of over-temperature protection, a driver chip and a control system of over-temperature protection are disclosed. The control method includes the following steps: a driver chip provides an output voltage to drive a DC fan. A temperature of the driver chip is detected by an over-temperature detection module. When the temperature of the driver chip is higher than a first threshold value, the power supplying to the driver chip is stopped, so that the driver chip can cool down. After the temperature of the driver chip is lower than a second threshold value, the driver chip is restarted. A preset voltage is provided to the DC fan by the driver chip and the DC fan rotates at a preset rotational speed which is higher than the rotational speed.

Abstract: A compound of Formula II, is provided. R1, R2 and R3 are independently either hydrogen, alkyl, aryl, halogen, alkoxy, nitro, amino or hydroxyl. X is either F, Cl, Br, I or CN. Y is either N or CH. Compositions that include Formula II can be used to inhibit vacuolar H+ ATPase.

Abstract: A power management circuit is provided. The power management circuit includes a power switch, a current/voltage detector, a current setting unit, and a control unit. The power switch is coupled to a power supply of the computer system. When the power switch is turned on, it supplies an output current and an output voltage of the power supply to an external device. The current/voltage detector detects the magnitudes of the output current and the output voltage. The current setting unit sets a plurality of current thresholds. When the computer system is in a power-saving state and when the output current is greater than a first current threshold and smaller than a second current threshold or the output voltage is smaller than a first voltage threshold and larger than a second voltage threshold, the control unit issues a notification signal to execute a predetermined operation on the power supply.

Abstract: A ball screw device includes an elongated shaft having an outer groove, a ball nut having a screw hole for receiving the elongated shaft and having a passage communicating with the screw hole of the ball nut, and a lubricating device includes an oil distributing member engaged into the ball nut and having one end portion engaged into the ball nut for engaging with the groove of the elongated shaft, and a spacing element is attached onto an outer peripheral portion of the distributing member, and the spacing element includes an end portion engaged into the ball nut for engaging with the elongated shaft and for spacing the distributing member from being engaged with the elongated shaft.

Abstract: A computer status diagnosis chip and a computer status diagnosis system including the same are provided. The chip is connected with the computer chip set and the first audio generator, and includes a receiving unit, an audio encoder and a driving unit. The receiving unit receives a detection signal from the computer chip set, and the audio encoder is connected to the receiving unit and encodes the detection signal as a first audio signal. The driving unit drives the first audio generator according to the first audio signal. By acoustic wave, the first audio generator transmits the first audio signal to a first audio receiver. Upon receipt of the first audio signal, an application program installed in the smart device is used to decode the first audio signal to obtain the detection signal, and a computer status is displayed on the smart device.

Abstract: A control method of over-temperature protection, a driver chip and a control system of over-temperature protection are disclosed. The control method includes the following steps: a driver chip provides an output voltage to drive a DC fan. A temperature of the driver chip is detected by an over-temperature detection module. When the temperature of the driver chip is higher than a first threshold value, the power supplying to the driver chip is stopped, so that the driver chip can cool down. After the temperature of the driver chip is lower than a second threshold value, the driver chip is restarted. A preset voltage is provided to the DC fan by the driver chip and the DC fan rotates at a preset rotational speed which is higher than the rotational speed.

Abstract: Memory systems may include a memory storage, a pre-processing checksum unit suitable for, during a first decoding iteration, receiving hard read data including channel input (Lch) sign values, and computing a checksum of the Lch sign values as a checksum_pre value, and a low-density parity-check (LDPC) decoder including an Lch memory and a checksum update unit, the LDPC decoder suitable for, during the first decoding iteration, storing the Lch sign values in the Lch memory of the LDPC decoder, receiving, with the checksum update unit, the checksum_pre value, and decoding a codeword in at least a second decoding iteration based at least in part on the checksum_pre value computed and received being a parity check on the hard read performed in the first decoding iteration.