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1
EP3429286A1
Publication/Patent Number: EP3429286A1
Publication date: 2019-01-16
Application number: 16893263.0
Filing date: 2016-09-19
Inventor: Li, Qiang  
Abstract: Provided are a verification method and device, and a terminal. The method includes: initiating a request for registration on a wireless network according to initialization information of a virtual subscriber identification module (VSIM) card via a first communication connection, obtaining an authentication pseudo-random code sent by the wireless network, sending the authentication pseudo-random code to a service center of the VSIM card, and obtaining a calculation result sent by the service center and corresponding to the authentication pseudo-random code; and sending the calculation result to the wireless network via the first communication connection, wherein the calculation result is used for performing communication verification on the VSIM card. By adopting the solution, a problem of how to implement a VSIM card technology in a terminal with a single chip and a single antenna is solved, and the use of a VSIM card in a terminal with a single chip and a single antenna is i mpl emented. Provided are a verification method and device, and a terminal. The method includes: initiating a request for registration on a wireless network according to initialization information of a virtual subscriber identification module (VSIM) card via a first communication connection ...more ...less
2
US10320333B2
Publication/Patent Number: US10320333B2
Publication date: 2019-06-11
Application number: 15/608,345
Filing date: 2017-05-30
Inventor: Li, Qiang  
Abstract: A radio frequency (RF) power combining amplifier circuit has a circuit input and a circuit output. A first amplifier is connected to the circuit input and to a first bias input. A first output matching network is connected to an output of the first amplifier and to the circuit output. A second amplifier is connected to the circuit input and to a second bias input. A second output matching network is connected to an output of the second amplifier, and to the circuit output. A voltage level of an input signal applied to the circuit input, together with the respective first bias input and the second bias input, selectively activates the first amplifier and the second amplifier. A radio frequency (RF) power combining amplifier circuit has a circuit input and a circuit output. A first amplifier is connected to the circuit input and to a first bias input. A first output matching network is connected to an output of the first amplifier and to the circuit ...more ...less
3
US2019204629A1
Publication/Patent Number: US2019204629A1
Publication date: 2019-07-04
Application number: 15/753,834
Filing date: 2018-01-24
Inventor: Li, Qiang  
Abstract: A method of desalinating mura and dot/line defects of a display panel is provided, including the following steps: S1: providing a display panel; S2: making the display panel display an alignment mark image; S3: accurately aligning an screen detector with the display panel; S4: photographing and recording the display panel to obtain a display image of the display panel; S5: extracting the display image and calculating a compensation image; S6: inputting the compensation image into a printer to generate a compensation film; S7: accurately attaching the compensating film on the display panel. Compared with the related art, in the method, by performing observation of lighting-on the display panel, recording the defect position, and printing the compensation film by thin film printing and precisely attaching the compensation film on the display panel, the display status is improved, and the problem of the mura and the dot/line defects is solved. A method of desalinating mura and dot/line defects of a display panel is provided, including the following steps: S1: providing a display panel; S2: making the display panel display an alignment mark image; S3: accurately aligning an screen detector with the display panel; S4: ...more ...less
4
US2019273469A1
Publication/Patent Number: US2019273469A1
Publication date: 2019-09-05
Application number: 16/413,846
Filing date: 2019-05-16
Inventor: Li, Qiang  
Abstract: A radio frequency (RF) power combining amplifier circuit has a circuit input and a circuit output. A first amplifier is connected to the circuit input and to a first bias input. A first output matching network is connected to an output of the first amplifier and to the circuit output. A second amplifier is connected to the circuit input and to a second bias input. A second output matching network is connected to an output of the second amplifier, and to the circuit output. A voltage level of an input signal applied to the circuit input, together with the respective first bias input and the second bias input, selectively activates the first amplifier and the second amplifier. A radio frequency (RF) power combining amplifier circuit has a circuit input and a circuit output. A first amplifier is connected to the circuit input and to a first bias input. A first output matching network is connected to an output of the first amplifier and to the circuit ...more ...less
5
US2019069172A1
Publication/Patent Number: US2019069172A1
Publication date: 2019-02-28
Application number: 16/083,482
Filing date: 2016-09-19
Inventor: Li, Qiang  
Abstract: Provided are a verification method and device, and a terminal. The method includes: initiating a request for registration on a wireless network according to initialization information of a virtual subscriber identification module (VSIM) card via a first communication connection, obtaining an authentication pseudo-random code sent by the wireless network, sending the authentication pseudo-random code to a service center of the VSIM card, and obtaining a calculation result sent by the service center and corresponding to the authentication pseudo-random code; and sending the calculation result to the wireless network via the first communication connection, wherein the calculation result is used for performing communication verification on the VSIM card. Provided are a verification method and device, and a terminal. The method includes: initiating a request for registration on a wireless network according to initialization information of a virtual subscriber identification module (VSIM) card via a first communication connection ...more ...less
6
US2019052256A1
Publication/Patent Number: US2019052256A1
Publication date: 2019-02-14
Application number: 16/154,304
Filing date: 2018-10-08
Inventor: Li, Qiang  
Abstract: A RF switch circuit includes a voltage divider circuit and a semiconductor device. The semiconductor device has an activated state and a deactivated state. The voltage divider circuit has an input terminal connected to a first line and an output terminal connected to a second line. The first line is connected to a power source. A gate terminal of the semiconductor device is connected to the second line. In the activated state, a source terminal and a drain terminal of the semiconductor device are each selectively connected to ground. In the deactivated state, the source terminal and the drain terminal of the semiconductor device are each selectively connected to the power source. A RF switch circuit includes a voltage divider circuit and a semiconductor device. The semiconductor device has an activated state and a deactivated state. The voltage divider circuit has an input terminal connected to a first line and an output terminal connected to a second ...more ...less
7
US10264503B2
Publication/Patent Number: US10264503B2
Publication date: 2019-04-16
Application number: 14/880,993
Filing date: 2015-10-12
Inventor: Li, Qiang   Lyu, Yongxia  
Abstract: The present invention discloses a method and an apparatus for assisting a terminal in measuring, which relate to the field of communications network technologies and may implement correct measurement on signal strength of a micro base station, thereby preventing UE from incorrectly determining the signal strength of the micro base station. In embodiments of the present invention, a first base station receives a measurement result for a second base station sent by UE, where the first base station provides a service for the UE; the first base station determines, according to the measurement result, whether a handover operation needs to be started; when the handover operation needs to be started, the first base station instructs the second base station to start up, and hands over the UE to the second base station for a service provided by the second base station. The present invention discloses a method and an apparatus for assisting a terminal in measuring, which relate to the field of communications network technologies and may implement correct measurement on signal strength of a micro base station, thereby preventing UE from ...more ...less
8
US10209814B2
Publication/Patent Number: US10209814B2
Publication date: 2019-02-19
Application number: 15/122,090
Filing date: 2014-12-18
Abstract: Disclosed are an image processing device and an image processing method. The image processing device comprises: a display means, which is configured to display an operation object, a touch means, which is configured to detect a first action and a second action of a touch operation, and a processing means, which is configured to determine a first position of the first action on the operation object and a second position of the second action on the operation object and to adjust a display parameter at the first position on the operation object and a display parameter at the second position. Employment of the present invention allows for content having a user-personalized operation to be photographed or produced and allows implementation of partial display parameter adjustment. Disclosed are an image processing device and an image processing method. The image processing device comprises: a display means, which is configured to display an operation object, a touch means, which is configured to detect a first action and a second action of a touch ...more ...less
9
US10337842B2
Publication/Patent Number: US10337842B2
Publication date: 2019-07-02
Application number: 15/864,723
Filing date: 2018-01-08
Abstract: A fireworks aerial display shell is provided with multiple casings of cylindrical configuration that are joined together in end-to-end relationship. Each casing defines an interior volume in which an effects charge is packed. A plug is positioned between the effects charges and has an opening through which an ignition source passes to ignite one of the effects charges as a result of burning of another of the effects charges. An outer casing may surround at least parts of the multiple cylindrical casings and includes multiple partially ball-shaped segments. A fireworks aerial display shell is provided with multiple casings of cylindrical configuration that are joined together in end-to-end relationship. Each casing defines an interior volume in which an effects charge is packed. A plug is positioned between the effects charges and ...more ...less
10
US10187826B2
Publication/Patent Number: US10187826B2
Publication date: 2019-01-22
Application number: 16/026,252
Filing date: 2018-07-03
Abstract: A method is described herein that is performed by a connectivity service platform in a communication network. The platform is enabled to communicate with a radio device via a wireless network connection of a first subscription of the radio device. The method comprises falling back to a second subscription, thereby enabling the connectivity service platform to communicate with the radio device via a wireless network connection of said second subscription of the radio device instead of the first subscription. The method also comprises receiving a request message from the radio device via the network connection of the first subscription. The method also comprises sending a reject message to the radio device, in response to the received request message and in view of the platform having fallen back to the second subscription. The reject message comprises a fall-back indication for instructing the radio device to fall back from the first subscription. A method is described herein that is performed by a connectivity service platform in a communication network. The platform is enabled to communicate with a radio device via a wireless network connection of a first subscription of the radio device. The method comprises falling ...more ...less
11
US10275879B2
Publication/Patent Number: US10275879B2
Publication date: 2019-04-30
Application number: 15/314,055
Filing date: 2016-03-15
Inventor: Yan, Jichao   Li, Qiang  
Abstract: The present disclosure relates to a system and method for image registration and image subtraction. The technique includes perform acquiring data related to the image processing, performing a pre-processing of the images, performing an image registration, performing an image subtraction, performing a post-processing of the images and managing storage of the data. The present disclosure relates to a system and method for image registration and image subtraction. The technique includes perform acquiring data related to the image processing, performing a pre-processing of the images, performing an image registration, performing an image ...more ...less
12
US10345663B2
Publication/Patent Number: US10345663B2
Publication date: 2019-07-09
Application number: 15/735,440
Filing date: 2017-11-02
Inventor: Li, Qiang   Dou, Ting  
Abstract: A method of weakening line defects of a display device is provided. Firstly, an abnormal phenomenon of the display device is detected, and abnormal pixels corresponding to the abnormal phenomenon are confirmed; secondly, display information outputted to each of the abnormal pixels is cleared; and finally, a light diffusion glue is coated on positions of the polarizing sheet corresponding to the abnormal pixels and two sides thereof, such that the abnormal pixels are covered by display information of two sides of the abnormal pixels by the light diffusion glue. A method of weakening line defects of a display device is provided. Firstly, an abnormal phenomenon of the display device is detected, and abnormal pixels corresponding to the abnormal phenomenon are confirmed; secondly, display information outputted to each of the abnormal ...more ...less
13
EP3130164B1
Publication/Patent Number: EP3130164B1
Publication date: 2019-10-09
Application number: 14727959.0
Filing date: 2014-04-10
14
US10200189B1
Publication/Patent Number: US10200189B1
Publication date: 2019-02-05
Application number: 15/605,220
Filing date: 2017-05-25
Inventor: Li, Qiang   Chen, Chen  
Abstract: A Dual-mode forward path PLL system and method are disclosed. The forward path PLL system includes a phase frequency detector (PFD) circuit including a first input node a second input node, a first output node a second output node, where the PFD receives a first input signal, a second input signal and generates a first output signal and second output signal, and where the first input signal is a reference frequency signal and the second input signal is a divided frequency value signal, a charge pump circuit including a third input node, a fourth input node and a third output node, where the third input node and the fourth input node are coupled to the first output node and the second output node of the PFD and where the Charge pump is programmable; and a loop filter circuit including a fifth input node and fourth output node, where the fifth input node is coupled to the third output node of the charge pump and where the loop filter circuit is programmable. In some aspects, the up-side switch and the down-side switch are current sources and the divided frequency value is signal is a fractional frequency value signal. A Dual-mode forward path PLL system and method are disclosed. The forward path PLL system includes a phase frequency detector (PFD) circuit including a first input node a second input node, a first output node a second output node, where the PFD receives a first input signal, a ...more ...less
15
US2019219617A1
Publication/Patent Number: US2019219617A1
Publication date: 2019-07-18
Application number: 16/211,274
Filing date: 2018-12-06
Abstract: A DC-to-DC converter includes at least one primary switch, a primary inductor, and a switch rectifier circuit or a switch flyback circuit. A switch driving circuit is structured to drive the at least one primary switch. A fault detection method includes directly or indirectly detecting a voltage waveform or a current waveform of at least one terminal of the primary inductor, and determining whether the at least one primary switch is in a diode rectifying state or in a diode flyback state based on the voltage waveform or the current waveform to detect whether there is a fault in the switch driving circuit. A DC-to-DC converter includes at least one primary switch, a primary inductor, and a switch rectifier circuit or a switch flyback circuit. A switch driving circuit is structured to drive the at least one primary switch. A fault detection method includes directly or indirectly ...more ...less
16
US2019080669A1
Publication/Patent Number: US2019080669A1
Publication date: 2019-03-14
Application number: 15/855,498
Filing date: 2017-12-27
Inventor: Li, Yong Qiang  
Assignee: Wistron Corp.
Abstract: A display device is provided. The display device includes a display panel, a backlight controller, a light source module, and an image processor circuit. The display panel is divided into display regions. The backlight controller generates driving signals according to control signals. The light source units in the light source module are controlled respectively by the driving signals to emit light. The image processor circuit generates the control signals according to input image data. The image processor circuit obtains a respective estimated current according to the sum of first and second color brightness gains of the pixel cells in each display region and further determines an adjustment factor according to the sum of all the estimated currents. When the backlight controller operates in a high brightness mode, the image processor circuit changes the control signals according to the adjustment factor, thereby adjusting the driving signals. A display device is provided. The display device includes a display panel, a backlight controller, a light source module, and an image processor circuit. The display panel is divided into display regions. The backlight controller generates driving signals according to control ...more ...less
17
US2019024251A1
Publication/Patent Number: US2019024251A1
Publication date: 2019-01-24
Application number: 15/653,208
Filing date: 2017-07-18
Inventor: Li, Qiang   Cao, Gangmin  
Abstract: Additive-based electroforming manufacturing methods for producing turbomachine components and other metallic articles are provided, as are metallic articles manufactured utilizing such manufacturing methods. In various embodiments, the method includes the step or process of additively manufacturing a sacrificial tooling structure having a component-defining surface region. A metallic body layer or shell is deposited over the component-defining surface region utilizing an electroforming process such that a geometry of the component-defining surface region is transferred to the body layer. The tooling structure is chemically dissolved, thermally decomposed, or otherwise removed, while the metallic body layer is left substantially intact. After tooling structure removal, the metallic body layer is further processed to complete fabrication of the metallic component. In certain implementations, the method may further include the step or process of depositing an electrically-conductive base coat over the component-defining surface region of the tooling structure for usage in the subsequently-performed electroforming process. Additive-based electroforming manufacturing methods for producing turbomachine components and other metallic articles are provided, as are metallic articles manufactured utilizing such manufacturing methods. In various embodiments, the method includes the step or process of ...more ...less
18
US2019110228A1
Publication/Patent Number: US2019110228A1
Publication date: 2019-04-11
Application number: 16/211,263
Filing date: 2018-12-06
Abstract: A method is described herein that is performed by a connectivity service platform in a communication network. The platform is enabled to communicate with a radio device via a wireless network connection of a first subscription of the radio device. The method comprises falling back to a second subscription, thereby enabling the connectivity service platform to communicate with the radio device via a wireless network connection of said second subscription of the radio device instead of the first subscription. The method also comprises receiving a request message from the radio device via the network connection of the first subscription. The method also comprises sending a reject message to the radio device, in response to the received request message and in view of the platform having fallen back to the second subscription. The reject message comprises a fall-back indication for instructing the radio device to fall back from the first subscription. A method is described herein that is performed by a connectivity service platform in a communication network. The platform is enabled to communicate with a radio device via a wireless network connection of a first subscription of the radio device. The method comprises falling ...more ...less