Abstract: A method for gesture interaction is proposed. The method includes: obtaining a first reality scene image, and in response to a detection of a first gesture that matches a first predefined gesture in the first reality scene image, displaying, at a first position corresponding to the first gesture, an interface identifier; and obtaining at least one frame of reality scene images, and in response to a detection of a second gesture that matches a second predefined gesture in the at least one frame of reality scene images, displaying the interactive interface at the first position, an operation position of the second gesture corresponding to the first position where the interface identifier is located, the interactive interface comprising at least one functional control.

Abstract: This disclosure relates to display control method, apparatus, electronic device, medium, and program product. The method includes: receiving a first gesture input; and displaying prompt information in response to the first gesture input, the prompt information being determined according to a position of a peripheral associated with the head-mounted display device.

Abstract: The present disclosed embodiment relates to an interface displaying method, apparatus, device, and medium. The method comprises: in response to an interface displaying instruction, recognizing a preset human body part; determining an interface displaying area on the recognized preset human body part; and generating and displaying an operation interface according to the interface displaying area. In embodiments of the present disclosure, the operation interface is displayed on a determined interface displaying area on a human body part, ensuring the user's sense of clicking, improving the user's operating experience, and further enhancing the intelligence degree of the operation interface.

Abstract: An online dart competition system including at least two mobile devices having a first and a second image capturing module, configured to capture an dart player image and a dartboard image, respectively; a mirror to reflect/redirect the dartboard image; a wireless transmission module, configured to transmit a score, the dart player image, and the dartboard image to the other mobile device and to receive a score, image, and a dartboard image of a competitor from the other mobile device; and a processor. The processor executes an application and displays the scores and at least two images of the dart player image, the dartboard image, the competitor image, and the competitor dartboard image on a display in a split-screen interface. Thus, the at least two images may be viewed by players during the online competition.

Abstract: The present invention provides a novel compound for effectively preventing nerve damage and protecting nerves, and a preparation method thereof. Besides, the present invention also provides a pharmaceutical composition comprising the novel compound, and a use of the novel compound for preventing nerve damage and protecting nerves.

Abstract: An online dart competition system including at least two mobile devices having a first and a second image capturing module, configured to capture an dart player image and a dartboard image, respectively; a mirror to reflect/redirect the dartboard image; a wireless transmission module, configured to transmit a score, the dart player image, and the dartboard image to the other mobile device and to receive a score, image, and a dartboard image of a competitor from the other mobile device; and a processor. The processor executes an application and displays the scores and at least two images of the dart player image, the dartboard image, the competitor image, and the competitor dartboard image on a display in a split-screen interface. Thus, the at least two images may be viewed by players during the online competition.

Abstract: A calibration method for a camera which monitors a target board is disclosed, comprising steps: using the camera to capture a target image corresponding to the target board; using rotation and translation to align the target image to a reference standard and acquire the corresponding relationship of the target image and the target board; defining a region of interest above the target image; using at least one positioning marker in at least two positions of the target board, whose actual space coordinates are known, and using the camera to acquire at least two image coordinates of the positioning markers in the region of interest; and using the known actual space coordinates and the acquired image coordinates to work out the exact position of the camera. Thereby, the positions of the cameras can be used to correctly determine the positions of darts.

Abstract: The present invention relates to an electrochemical machining apparatus for gear outline, which is used for trimming the gear outline of the gear part of a workpiece and comprises a first moving mechanism, a second moving mechanism, a cathode electrode, and a gear alignment member. The cathode electrode is disposed at the first moving mechanism. The second moving mechanism is connected with the gear alignment member. The gear alignment member includes a plurality of alignment gears for aligning the location of a plurality of teeth of the gear part of the workpiece. Thereby, the plurality of teeth of the workpiece may correspond to the cathode electrode. Then, the cathode electrode may perform electrochemical machining on the plurality of teeth, and thus, trimming the outline of the plurality of teeth.

Abstract: An automatic scoring dart target device and a method of using the same are provided. The device includes a dart target, a plurality of image capturing units, a background-shield and a processor. The dart target is made of solid material on which darts are shot. The image capturing units and the dart target are disposed on the same surface. The image capturing units respectively capture a plurality of images at intersecting directions. The background shield is disposed relative to the image capturing units so that the image capturing units can generate the background information. The processor calculates the scores based on the background information and locations of the dart in a selection of two images among the plurality of images individually captured by the corresponding plurality of image capturing units. Thus, the scores of landed darts can be automatically calculated when using the conventional dart target.

Abstract: A calibration method for a camera which monitors a target board is disclosed, comprising steps: using the camera to capture a target image corresponding to the target board; using rotation and translation to align the target image to a reference standard and acquire the corresponding relationship of the target image and the target board; defining a region of interest above the target image; using at least one positioning marker in at least two positions of the target board, whose actual space coordinates are known, and using the camera to acquire at least two image coordinates of the positioning markers in the region of interest; and using the known actual space coordinates and the acquired image coordinates to work out the exact position of the camera. Thereby, the positions of the cameras can be used to correctly determine the positions of darts.

Abstract: The present invention relates to an electrochemical machining device, which comprises a machining electrode, a driving module, a spacer, and a conductive electrode. The machining electrode includes an electrochemical machining zone. The driving module drives the machining electrode. The spacer is adjacent to the machining electrode. The conductive electrode is adjacent to the spacer. The spacer spaces the conductive electrode and the machining electrode. When the electrochemical machining device performs electrochemical processes, the driving module drives the machining electrode and moves a machining surface of the machining electrode.

Abstract: The present invention provides an inductive electrochemical machining device, which comprises a base, an inductive machining electrode, and a negative cleaning module. The base includes a workpiece machining zone. The inductive machining electrode is disposed on the base and corresponds to said workpiece machining zone. The negative cleaning module is opposing to the inductive machining electrode. When the inductive machining electrode performs electrochemical machining, the generated induction current may be used for machining. In addition, the surface of the inductive machining electrode may be cleaned concurrently by the negative cleaning module.

Abstract: The present invention relates to a transmission apparatus, which comprises a base, a transmission module, a first protection sleeve, and a second protection sleeve. The transmission module is disposed on the base and includes a moving unit. The first protection sleeve is disposed around the outer periphery of the transmission module and on the base. One end of the second protection sleeve is covered by the first protection sleeve. The second protection sleeve is disposed around the moving unit and moves linkedly along the moving unit. Thereby, the transmission apparatus according to the present invention may protection the transmission module.

Abstract: An automatic scoring dart target device and a method of using the same are provided. The device includes a dart target, a plurality of image capturing units, a background-shield and a processor. The dart target is made of solid material on which darts are shot. The image capturing units and the dart target are disposed on the same surface. The image capturing units respectively capture a plurality of images at intersecting directions. The background shield is disposed relative to the image capturing units so that the image capturing units can generate the background information. The processor calculates the scores based on the background information and locations of the dart in a selection of two images among the plurality of images individually captured by the corresponding plurality of image capturing units. Thus, the scores of landed darts can be automatically calculated when using the conventional dart target.

Abstract: The present invention relates to an electrochemical processing system. The electrochemical processing system comprises a belt electrode and a clean module. The clean module is corresponding to one side of the belt electrode. The electrochemical processing system may be used for cleaning the surface of the belt electrode during an electrochemical process.

Abstract: The present invention relates to a continuous electrochemical processing apparatus, which comprises an electrode transport module, an electrode module, and a material-tape conveying mechanism. The electrode module is connected with the electrode transport module and includes an electrode. The material-tape conveying mechanism is disposed corresponding to the electrode module and used for conveying a material tape. Thereby, the electrode of the electrode module may continuously electrochemical process the material tape.

Abstract: A shift register circuit includes plural shift register stages for providing plural gate signals to plural gate lines. Each shift register stage includes a pull-up unit, an input unit for receiving an input signal, an energy-store unit for providing a driving control voltage in response to the input signal, a discharging unit, a couple unit and a pull-down unit. The pull-up unit pulls up a first gate signal in response to the driving control voltage. The discharging unit performs a discharging operation for pulling down the driving control voltage. The couple unit is utilized for coupling the energy-store unit with a succeeding shift register circuit stage so that the falling edge of a second gate signal generated by the succeeding shift register stage is capable of shifting down the driving control voltage. The pull-down unit pulls down the first gate signal in response to the second gate signal.

Abstract: The present invention discloses a power supply current circuit structure including: a conducting plate device, made of an electrically conducting material, and including a plurality of separated conducting plates, a plurality of insert holes disposed on the conducting plates, and each conducting plate having a polarity opposite to the polarity of an adjacent conducting plate; an insulating layer, fixed onto the conducting plate device, and made of a non-conductive material; an electronic component module, installed on the insulating layer, and including a plurality of electronic components, each having two insert pins passed through the insulating layer and inserted into the insert holes of the adjacent conducting plate to constitute a current path. The invention provides a convenient and economic way of manufacturing a printed circuit board with a large current path and achieves the effect of preventing related electronic components from being damaged.

Abstract: A shift register and a shift register apparatus are provided. The shift register includes a plurality of shift register apparatus, and each shift register apparatus comprises a pre-charge circuit, a pull-up circuit and a pull-down circuit. The pre-charge circuit is used for sampling an input signal according to a first clock signal and a second clock signal respectively and generate a first charging signal and a second charging signal respectively. The pull-up circuit is coupled to the pre-charge circuit. The pull-up circuit receives the third clock signal and the first charging signal to output an output signal accordingly. The pull-down circuit is coupled to the pre-charge circuit and the pull-up circuit. The pull-down circuit receives the fourth clock signal and the second charging signal to decide whether to couple the output signal to a common potential.

Abstract: A shift register and a shift register apparatus are provided. The shift register includes a plurality of shift register apparatus, and each shift register apparatus comprises a pre-charge circuit, a pull-up circuit and a pull-down circuit. The pre-charge circuit is used for sampling an input signal according to a first clock signal and a second clock signal respectively and generate a first charging signal and a second charging signal respectively. The pull-up circuit is coupled to the pre-charge circuit. The pull-up circuit receives the third clock signal and the first charging signal to output an output signal accordingly. The pull-down circuit is coupled to the pre-charge circuit and the pull-up circuit. The pull-down circuit receives the fourth clock signal and the second charging signal to decide whether to couple the output signal to a common potential.