Patents by Inventor Weifeng Wang
Weifeng Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10510278Abstract: The present disclosure provides a signal loading method and a signal generator. The signal loading method includes: loading a first pair of voltage signals to at least one pair of separate signal channels for a time period, respectively, wherein the first pair of voltage signals have a first voltage difference therebetween; and determining whether a short circuit occurs in the at least one pair of signal channels within the time period, and if it is determined that no short circuit occurs in the at least one pair of signal channels within the time period, loading a second pair of voltage signals having a second voltage difference therebetween to the at least one pair of signal channels at the end of the time period. The second voltage difference is greater than the first voltage difference.Type: GrantFiled: December 7, 2018Date of Patent: December 17, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Weifeng Wang, Guoqing Zhang, Hongxia Yang, Yu Fu, Xingliang Wang, Zhixin Guo, Yanbin Dang, Xiaowei Wang, Jie Wu, Feiwen Tian, Pucha Zhao, Chenwei Wang, Xuepeng Ji
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Patent number: 10484274Abstract: Examples of the present disclosure provide a VM packet controlling method and apparatus, applicable for an OpenStack network. The OpenStack network includes an OpenStack controller node, an OpenStack compute node, and a virtual network system. The OpenStack network is communicatively connected with an SDN controller, the virtual network system includes a VM and a virtual network apparatus responsible for forwarding packets of the virtual machine. The OpenStack controller node creates a port for the VM, informs the SDN controller of a port UUID and a forwarding rule applied on the port; the OpenStack controller node receives a port ID, and transmits a corresponding relationship between the port ID and the port UUID to the SDN controller, the SDN controller generates a flow table according to the forwarding rule applied on the port, and issues the flow table to the virtual network apparatus according to the corresponding relationship.Type: GrantFiled: December 26, 2016Date of Patent: November 19, 2019Assignee: NEW H3C TECHNOLOGIES CO., LTDInventor: Weifeng Wang
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Publication number: 20190340862Abstract: A method and a device for adaptively recognizing a value document are provided. The method includes: acquiring a collection parameter, and collecting a photoelectric signal of the value document; acquiring a photoelectric signal correction amount, and performing digital compensation on the photoelectric signal; performing feature extraction on the photoelectric signal subjected to the digital compensation to obtain a feature vector; inputting the feature vector to a preset classifier for recognition, to obtain a recognition result of the value document; acquiring a specific region on the value document; acquiring feature information of the photoelectric signal of the value document; calculating an accumulation component and a differential error of the value document; calculating a total correction amount of the photoelectric signal; updating the photoelectric signal correction amount and the collection parameter; and outputting the recognition result.Type: ApplicationFiled: April 6, 2016Publication date: November 7, 2019Applicant: GRG Banking Equipment Co., Ltd.Inventors: Mengtao Liu, Rongqiu Wang, Weifeng Wang
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Publication number: 20190311663Abstract: A substrate, a panel, a detection device and an alignment detection method are provided. The substrate includes first signal connection pins arranged in parallel side by side and at least one first alignment detection pin, wherein the at least one first alignment detection pin is located on at least one side of the first signal connection pins in an arrangement direction of the first signal connection pins, and arranged in parallel with the first signal connection pins.Type: ApplicationFiled: October 31, 2018Publication date: October 10, 2019Inventors: Pucha ZHAO, Guoqing ZHANG, Xiaopeng BAI, Weifeng WANG, Yanbin DANG, Zhixin GUO, Xingliang WANG, Haotian CHEN
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Patent number: 10430681Abstract: Provided is a character segmentation and recognition method. The method includes: collecting image data to obtain a to-be-recognized image; positioning a character line candidate region on the to-be-recognized image; obtaining pre-set character line prior information, where the character line prior information includes the number of characters, character spacing and a character size; obtaining a corresponding segmentation point template based on the character line prior information; obtaining credible degrees of different positions on the character line candidate region traversed by the segmentation point template; determining a position with the highest credible degree as an optimal segmentation position; segmenting the character line candidate region based on the segmentation point template and the optimal segmentation position to obtain multiple single character regions; and performing character recognition on each of the single character regions to obtain a corresponding recognition result.Type: GrantFiled: June 26, 2015Date of Patent: October 1, 2019Assignee: GRG Banking Equipment Co., Ltd.Inventors: Weifeng Wang, Xinhua Qiu, Rongqiu Wang, Kun Wang
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Publication number: 20190288942Abstract: A method for establishing a BLE mesh network, comprising: receiving, by a first node, from a second node, a first network packet; determining, by the first node, whether the received first network packet has been received before, (a) determining whether the first node is a destination node if the received first network packet is different from the network packet stored in the buffer, performing an action defined by the first network packet if the first node is the destination node, and broadcasting the received first network packet through an advertising channel in the BLE mesh network if the first node is not the destination node; (b) dropping the received first network packet if the received first network packet is the same as at least one network packet stored in the buffer.Type: ApplicationFiled: March 27, 2018Publication date: September 19, 2019Applicant: Beken CorporationInventors: Chia-Te LIAO, Weifeng WANG
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Patent number: 10412826Abstract: The present application discloses a circuit board and a method for manufacturing the same, and a terminal test device. The circuit board includes a base substrate, and a plurality of conductive lines on the base substrate, each of the plurality of conductive lines having one end configured to be connected with a signal output bus of a signal generator and the other end configured to be connected with a terminal. A fuse is connected in series in each conductive line, and a breaking current IT of the fuse, a maximum operating current I of the conductive line and a fault current IF of the conductive line satisfy: I<IT?IF, where the breaking current IT of the fuse is a minimum current that causes the fuse to open.Type: GrantFiled: April 3, 2018Date of Patent: September 10, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventors: Pucha Zhao, Guoqing Zhang, Xiaopeng Bai, Hongwei Gao, Weifeng Wang, Yanbin Dang, Haotian Chen
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Publication number: 20190268262Abstract: Examples of the present disclosure provide a VM packet controlling method and apparatus, applicable for an OpenStack network. The OpenStack network includes an OpenStack controller node, an OpenStack compute node, and a virtual network system. The OpenStack network is communicatively connected with an SDN controller, the virtual network system includes a VM and a virtual network apparatus responsible for forwarding packets of the virtual machine. The OpenStack controller node creates a port for the VM, informs the SDN controller of a port UUID and a forwarding rule applied on the port; the OpenStack controller node receives a port ID, and transmits a corresponding relationship between the port ID and the port UUID to the SDN controller, the SDN controller generates a flow table according to the forwarding rule applied on the port, and issues the flow table to the virtual network apparatus according to the corresponding relationship.Type: ApplicationFiled: December 26, 2016Publication date: August 29, 2019Inventor: Weifeng Wang
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Publication number: 20190236992Abstract: A defect detection circuit and a defect detection method for a light-emitting element, a display driving device, a display device, and a defect detection method for the display device are provided. The defect detection circuit includes a power source signal adjustment sub-circuit, a data signal adjustment sub-circuit, a first initial signal adjustment sub-circuit, a second initial signal adjustment sub-circuit and a storage capacitor connected to a control end of a driving transistor. The storage capacitor is configured to control the driving transistor to be turned off under the effect of a power source signal, a data signal and an initial signal, to enable the second initial signal adjustment sub-circuit to apply the initial signal to a light-emitting sub-circuit, thereby to enable the light-emitting sub-circuit to emit light. The display driving device includes the defect detection circuit.Type: ApplicationFiled: November 14, 2018Publication date: August 1, 2019Applicants: BOE Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.Inventors: Xiaowei Wang, Guoqing Zhang, Longfei Yang, Lei Wang, Ke Zhao, Weifeng Wang, Hongxia Yang, Meili Guo, Feiwen Tian
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Publication number: 20190237013Abstract: A detecting apparatus and method, repairing apparatus and method, and repairing system of AMOLED display device are provided. The detecting apparatus includes: an illuminating device for sequentially illuminating a plurality of detection regions of a screen of the AMOLED display device, the screen being divided into the plurality of detection regions, each of the detection regions including at least one light-emitting unit; a current detecting device for acquiring a detection current which is a sum of driving currents of the light-emitting unit in the detection region being illuminated; and a judging device for judging whether the detection region corresponding to the detection current is a defective region according to the detection current. The apparatus can detect luminance uniformity of the AMOLED display device. The detection efficiency is high, the detection standard is unified and the detection accuracy is high.Type: ApplicationFiled: August 27, 2018Publication date: August 1, 2019Inventors: Xiaowei Wang, Guoqing Zhang, Hongxia Yang, Weifeng Wang
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Publication number: 20190236993Abstract: The present disclosure belongs to the field of display technology, and particularly relates to a test circuit, a display substrate, a test method of a display substrate and a display apparatus. The test circuit includes a signal generating device and a plurality of output channels that are mutually independent. Each output channel includes a signal line configured to transmit a test signal. The signal generating device is coupled to the plurality of output channels, and is configured to provide, to each of at least one of the plurality of output channels, the test signal corresponding to an impedance of the signal line in the output channel, and provide the test signal to the signal line in the output channel.Type: ApplicationFiled: December 17, 2018Publication date: August 1, 2019Inventors: Xiaowei WANG, Guoqing ZHANG, Weifeng WANG, Hongwei GAO
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Publication number: 20190189651Abstract: The present disclosure relates to a method and system for performing aging process on the transistor in the display panel. A method for performing aging process on a transistor in a display panel, comprising: obtaining an initial characteristic curve of the transistor; determining an initial cutoff voltage range of the transistor according to the obtained initial characteristic curve; determining a gate-source voltage and a drain-source voltage required by the transistor according to the initial cutoff voltage range, so as to increase an cutoff voltage range of the transistor; and performing aging process on the transistor according to the determined required gate-source voltage and drain-source voltage.Type: ApplicationFiled: August 2, 2018Publication date: June 20, 2019Inventors: Ke ZHAO, Guoqing ZHANG, Hongwei GAO, Xiaowei WANG, Zhihui JIA, Yan ZONG, Longfei YANG, Hongxia YANG, Meili GUO, Weifeng WANG, Pucha ZHAO, Zhixin GUO
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Publication number: 20190180662Abstract: The present disclosure provides a signal loading method and a signal generator. The signal loading method includes: loading a first pair of voltage signals to at least one pair of separate signal channels for a time period, respectively, wherein the first pair of voltage signals have a first voltage difference therebetween; and determining whether a short circuit occurs in the at least one pair of signal channels within the time period, and if it is determined that no short circuit occurs in the at least one pair of signal channels within the time period, loading a second pair of voltage signals having a second voltage difference therebetween to the at least one pair of signal channels at the end of the time period. The second voltage difference is greater than the first voltage difference.Type: ApplicationFiled: December 7, 2018Publication date: June 13, 2019Inventors: Weifeng WANG, Guoqing ZHANG, Hongxia YANG, Yu FU, Xingliang WANG, Zhixin GUO, Yanbin DANG, Xiaowei WANG, Jie WU, Feiwen TIAN, Pucha ZHAO, Chenwei WANG, Xuepeng JI
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Publication number: 20190075650Abstract: The present application discloses a circuit board and a method for manufacturing the same, and a terminal test device. The circuit board includes a base substrate, and a plurality of conductive lines on the base substrate, each of the plurality of conductive lines having one end configured to be connected with a signal output bus of a signal generator and the other end configured to be connected with a terminal. A fuse is connected in series in each conductive line, and a breaking current IT of the fuse, a maximum operating current I of the conductive line and a fault current IF of the conductive line satisfy: I<IT?IF, where the breaking current IT of the fuse is a minimum current that causes the fuse to open.Type: ApplicationFiled: April 3, 2018Publication date: March 7, 2019Inventors: Pucha ZHAO, Guoqing ZHANG, Xiaopeng BAI, Hongwei GAO, Weifeng WANG, Yanbin DANG, Haotian CHEN
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Patent number: 10171275Abstract: A wireless transmitter, comprises a frame generator configured to generate a frame by including an auxiliary preamble, an auxiliary syncword, a guard, a preamble, an address, a packet control, a payload and a CRC; a modulator communicatively coupled to the frame generator and configured to modulate the frame according to a variable transmission rate and include the transmission rate in the auxiliary syncword; and a RF front end communicatively coupled to the modulator and configured to transmit the modulated signal to a receiver.Type: GrantFiled: November 26, 2016Date of Patent: January 1, 2019Assignee: BEKEN CORPORATIONInventors: Yiming Huang, Weifeng Wang
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Patent number: 10097340Abstract: A receiver for determining sample phase comprises a sync detector to output a sample phase; an interpolator communicatively coupled to the sync detector and to generate a plurality of interpolated phases, wherein each of the interpolated phase and phases within the phase set corresponds to a respective syncword; a calculator communicatively coupled to the interpolator to calculate an error vector magnitude (EVM) of syncword corresponding respectively to each of the interpolated phase and to each of the phase within a phase set, and determine the minimum EVM among EVMs for the syncword corresponding to each of the interpolated phase and the EVM of syncword corresponding to each of the phase within the phase set; and an output unit communicatively coupled to the calculator and configured to sample and output payload signals at the phase corresponding to the minimum EVM.Type: GrantFiled: December 25, 2017Date of Patent: October 9, 2018Assignee: BEKEN CORPORATIONInventors: Weifeng Wang, Yiming Huang
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Patent number: 10043505Abstract: A transmitter comprises an analog-to-digital converter, an audio signal compressor, a framer, a scrambler, a modulator, and a transmitting unit. The analog-to-digital converter translates an analog audio signal into a digital Pulse-Code Modulation (PCM) format audio signal. The audio signal compressor compresses the PCM format audio signal into a coded bit stream with a modified Adaptive differential Pulse-code Modulation (ADPCM) algorithm. The framer packetizes the coded bit stream into a 1.125 ms frame data by adding a preamble, a signaling field, a data field, and a cyclic redundancy check field to the coded bit stream. The scrambler scrambles the frame data with an ID number. The modulator generates a modulated signal by modulating the scrambled frame data with a predetermined modulation scheme. The transmitting unit transmits the modulated signal.Type: GrantFiled: June 23, 2015Date of Patent: August 7, 2018Assignee: BEKEN CORPORATIONInventors: Weifeng Wang, Yiming Huang
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Patent number: 10032457Abstract: A circuit to compensate for a lost audio frame, comprising: an identifier configured to identify a reference audio segment with a first length followed by the lost audio frame with a second length; a searcher coupled to the identifier and configured to search for a first audio segment similar to the reference audio segment in a cached audio segment followed by the reference audio segment by utilizing a cross-correlation search; the identifier further configured to identify a second audio segment subsequent to the first audio segment as a pre-compensated audio frame; an adjustor coupled to the identifier and configured to adjust an amplitude of the second audio segment based on a scale factor; and an output coupled to the adjustor to output the adjusted second audio segment as a compensated audio frame.Type: GrantFiled: June 8, 2017Date of Patent: July 24, 2018Assignee: BEKEN CORPORATIONInventors: Lianxue Liu, Weifeng Wang
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Publication number: 20180204405Abstract: An overlapping bill detection method and apparatus are provided.Type: ApplicationFiled: April 29, 2016Publication date: July 19, 2018Applicant: GRG Banking Equipment Co., Ltd.Inventors: Xinhua Qiu, Mengtao Liu, Rongqiu Wang, Yuanchao Yu, Weifeng Wang
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Patent number: 9989973Abstract: A measurement control system for a multi-shaft supported air floatation platform, the system comprising a load feedback unit (5), an execution unit (6), a position measurement unit (7), a safety protection unit (8), a controller (9), a rotating motor (10), and a linear light source 11; the load feedback unit comprises M pressure sensors (5-1) and four differential sensors (5-2); the execution unit comprises M servo voice coil motors (6-1) and M servo voice coil motor drivers (6-2); the position measurement unit comprises a plane grating (7-1), M linear gratings (7-2) a linear array CCD (7-3), a tilt sensor (7-4), M electronic levels (7-5), and an indoor GPS (7-6); the safety protection unit comprises 2M proximity sensors (8-1) and M temperature sensors (8-2); and the linear array CCD consists of no few then six CCDs. The system solves the problems of leveling limitations and narrow application range of existing supporting platforms.Type: GrantFiled: May 6, 2014Date of Patent: June 5, 2018Inventors: Xinglin Chen, Yang Liu, Cong Li, Weifeng Wang, Chuan Liu