Patents by Inventor Dengshan Xue
Dengshan Xue 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: 10784968Abstract: The present disclosure describes an optical device, a system including an optical receiver, and a system including an optical module. The optical device includes an Avalanche Photodiode (APD), a circuit board, a boost circuit disposed on the circuit board, a processor disposed on the circuit board and configured to control an output voltage of the boost circuit, and a probe point disposed on the circuit board. The boost circuit includes a control terminal electrically connecting to the processor. The boost circuit also includes an output terminal electrically connecting to the APD and the probe point respectively.Type: GrantFiled: September 27, 2019Date of Patent: September 22, 2020Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.Inventors: Shixuan Qin, Rui Huang, Dengshan Xue, Ming Li
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Publication number: 20200145113Abstract: The present disclosure describes an optical device, a system including an optical receiver, and a system including an optical module. The optical device includes an Avalanche Photodiode (APD), a circuit board, a boost circuit disposed on the circuit board, a processor disposed on the circuit board and configured to control an output voltage of the boost circuit, and a probe point disposed on the circuit board. The boost circuit includes a control terminal electrically connecting to the processor. The boost circuit also includes an output terminal electrically connecting to the APD and the probe point respectively.Type: ApplicationFiled: September 27, 2019Publication date: May 7, 2020Applicant: Hisense Broadband Multimedia Technologies Co., Ltd.Inventors: Shixuan QIN, Rui HUANG, Dengshan XUE, Ming LI
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Patent number: 10615573Abstract: An optical module includes a laser transmitter driver chip, a Distributed Bragg reflection (DBR) raster, a laser transmitter, a first resistor, a first capacitor, a second resistor, a second capacitor and a power source. The first resistor is connected between a power source and a differential signal output positive terminal of the laser transmitter; the first capacitor is connected between the differential signal output positive terminal and the a positive terminal of the laser transmitter; the second resistor is connected between the power source and a differential signal output negative terminal of the laser transmitter driver chip; the second capacitor is connected between the differential signal output negative terminal and a negative terminal of the laser transmitter; and the negative terminal of the laser transmitter and a negative terminal of the DBR raster are grounded.Type: GrantFiled: September 21, 2018Date of Patent: April 7, 2020Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD., HISENSE USA CORP., HISENSE INTERNATIONAL CO., LTD.Inventors: Hongping Yan, Dengshan Xue, Qisheng Zhao, Ming Li
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Patent number: 10277312Abstract: Embodiments of the present disclosure provide a method for adjusting a LOS alarm decision threshold and an optical module. The method includes: receiving an optical signal; determining a power value of the optical signal and an amplitude of an electrical signal converted from the optical signal; determining a first numeric relation between the power value and a preset threshold, and a second numeric relation between the amplitude value and a preset decision threshold; and adjusting the decision threshold according to the first numeric relation and the second numeric relation. The method for adjusting a LOS alarm decision threshold and the optical module provided in the embodiments of the present invention can improve the efficiency in setting the LOS alarm decision threshold.Type: GrantFiled: December 23, 2016Date of Patent: April 30, 2019Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD.Inventors: Dengshan Xue, Qisheng Zhao
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Publication number: 20190036307Abstract: An optical module includes a laser transmitter driver chip, a Distributed Bragg reflection (DBR) raster, a laser transmitter, a first resistor, a first capacitor, a second resistor, a second capacitor and a power source. The first resistor is connected between a power source and a differential signal output positive terminal of the laser transmitter; the first capacitor is connected between the differential signal output positive terminal and the a positive terminal of the laser transmitter; the second resistor is connected between the power source and a differential signal output negative terminal of the laser transmitter driver chip; the second capacitor is connected between the differential signal output negative terminal and a negative terminal of the laser transmitter; and the negative terminal of the laser transmitter and a negative terminal of the DBR raster are grounded.Type: ApplicationFiled: September 21, 2018Publication date: January 31, 2019Applicants: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD., HISENSE USA CORP., HISENSE INTERNATIONAL CO., LTD.Inventors: Hongping YAN, Dengshan XUE, Qisheng ZHAO, Ming LI
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Patent number: 10122151Abstract: An optical module includes a laser transmitter driver chip, a Distributed Bragg reflection (DBR) raster, a laser transmitter, a first resistor, a first capacitor, a second resistor, a second capacitor and a power source. The first resistor is connected between a power source and a differential signal output positive terminal of the laser transmitter; the first capacitor is connected between the differential signal output positive terminal and the a positive terminal of the laser transmitter; the second resistor is connected between the power source and a differential signal output negative terminal of the laser transmitter driver chip; the second capacitor is connected between the differential signal output negative terminal and a negative terminal of the laser transmitter; and the negative terminal of the laser transmitter and a negative terminal of the DBR raster are grounded.Type: GrantFiled: March 31, 2016Date of Patent: November 6, 2018Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD., HISENSE USA CORP., HISENSE INTERNATIONAL CO., LTD.Inventors: Hongping Yan, Dengshan Xue, Qisheng Zhao, Ming Li
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Patent number: 10103808Abstract: An example optical module includes: an optical splitter configured to split a received incident optical signal into a first optical signal and a second optical signal; a wavelength filter sheet configured to receive the second optical signal to reflect a first part of the second optical signal to generate reflected light, and to transmit a second part of that to generate transmitted light; a first photo detector configured to convert the reflected light into an electric signal; a second photo detector configured to convert the transmitted light into an electric signal; and an MCU configured to obtain the first detected signal and the second detected signal, to determine the difference in optical power between the reflected light and the transmitted light, and to determine from the difference in optical power and a specified standard difference in optical power whether the wavelength of the second optical signal is shifted.Type: GrantFiled: August 16, 2016Date of Patent: October 16, 2018Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventor: Dengshan Xue
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Patent number: 10008825Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.Type: GrantFiled: February 13, 2017Date of Patent: June 26, 2018Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Hongping Yan, Dengshan Xue, Qisheng Zhao, Ming Li
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Publication number: 20180054255Abstract: Embodiments of the present disclosure provide a method for adjusting a LOS alarm decision threshold and an optical module. The method includes: receiving an optical signal; determining a power value of the optical signal and an amplitude of an electrical signal converted from the optical signal; determining a first numeric relation between the power value and a preset threshold, and a second numeric relation between the amplitude value and a preset decision threshold; and adjusting the decision threshold according to the first numeric relation and the second numeric relation. The method for adjusting a LOS alarm decision threshold and the optical module provided in the embodiments of the present invention can improve the efficiency in setting the LOS alarm decision threshold.Type: ApplicationFiled: December 23, 2016Publication date: February 22, 2018Inventors: DENGSHAN XUE, QISHENG ZHAO
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Publication number: 20170222718Abstract: An example optical module includes: an optical splitter configured to split a received incident optical signal into a first optical signal and a second optical signal; a wavelength filter sheet configured to receive the second optical signal to reflect a first part of the second optical signal to generate reflected light, and to transmit a second part of that to generate transmitted light; a first photo detector configured to convert the reflected light into an electric signal; a second photo detector configured to convert the transmitted light into an electric signal; and an MCU configured to obtain the first detected signal and the second detected signal, to determine the difference in optical power between the reflected light and the transmitted light, and to determine from the difference in optical power and a specified standard difference in optical power whether the wavelength of the second optical signal is shifted.Type: ApplicationFiled: August 16, 2016Publication date: August 3, 2017Inventor: Dengshan XUE
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Publication number: 20170155228Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.Type: ApplicationFiled: February 13, 2017Publication date: June 1, 2017Applicants: Hisense Broadbrand Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Hongping Yan, Dengshan Xue, Qisheng Zhao, Ming Li
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Patent number: 9601898Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.Type: GrantFiled: March 23, 2016Date of Patent: March 21, 2017Assignees: Hisense Broadband Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Hongping Yan, Dengshan Xue, Qisheng Zhao, Ming Li
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Publication number: 20170063030Abstract: An optical module includes a laser transmitter driver chip, a Distributed Bragg reflection (DBR) raster, a laser transmitter, a first resistor, a first capacitor, a second resistor, a second capacitor and a power source. The first resistor is connected between a power source and a differential signal output positive terminal of the laser transmitter; the first capacitor is connected between the differential signal output positive terminal and the a positive terminal of the laser transmitter; the second resistor is connected between the power source and a differential signal output negative terminal of the laser transmitter driver chip; the second capacitor is connected between the differential signal output negative terminal and a negative terminal of the laser transmitter; and the negative terminal of the laser transmitter and a negative terminal of the DBR raster are grounded.Type: ApplicationFiled: March 31, 2016Publication date: March 2, 2017Applicants: Hisense Broadband Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Hongping YAN, Dengshan XUE, Qisheng ZHAO, Ming LI
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Publication number: 20170005452Abstract: The disclosure provides an optical module. In the optical module, emitters of a first PNP type triode and a second PNP type triode connected with a power source are high-level always, when a bias pin of a laser transmitter driver chip is high-level, bases of the two PNP type triodes are both high-level and in an OFF state, no current flows to the bias pin and a laser transmitter, and the laser transmitter does not emit light; when the bias pin of the laser transmitter driver chip is low-level, the bases of the two PNP type triodes are both low-level and in an ON state, the current flows to the bias pin and flows from a positive terminal of the laser transmitter, and the laser transmitter emits light.Type: ApplicationFiled: March 23, 2016Publication date: January 5, 2017Applicants: Hisense Broadband Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Hongping YAN, Dengshan XUE, Qisheng ZHAO, Ming LI
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Patent number: 9515738Abstract: The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber. This disclosure is applied to an optical module of a wavelength division multiplex passive optical network.Type: GrantFiled: March 31, 2014Date of Patent: December 6, 2016Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE USA CORPORATIONInventors: Sigeng Yang, Qisheng Zhao, Ming Li, Lei Lu, Dengshan Xue, Shijian Ben, Hongping Yan
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Patent number: 9473835Abstract: An optical module and an optical device applicable to the optical module, wherein the optical module includes a laser emission unit, a laser reception unit, a video detector and an optical assembly, the optical assembly including: a band-pass device F1 with a small-angle incidence filter sheet, wherein among optical signals transmitted to F1 via a common port of F1, the optical signal in a first optical wavelength band is passed by the small-angle incidence filter sheet and output to the video detector via the passing port thereof; and the optical signals in other bands are reflected by the small-angle incidence filter sheet and output via the reflection port thereof; a filter sheet F2 configured to pass the optical signal emitted by the laser emission unit to the reflection port of F1 and to reflect the optical signal, received by the laser reception unit, output via the reflection port of F1.Type: GrantFiled: November 20, 2012Date of Patent: October 18, 2016Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Qisheng Zhao, Qiang Zhang, Dengshan Xue, Songlin Zhu, Yong Guo, Yongjia Yin, Sigeng Yang
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Publication number: 20160142145Abstract: The embodiments of this disclosure provide an optical module, which expands the network bandwidth, eases a problem on dynamic bandwidth allocation. The optical module comprises an optical transceiver assembly and a control circuit, wherein the optical transceiver assembly comprises a first optical emitter and a second optical emitter; the control circuit is configured to control the first optical emitter to generate an optical signal of a first waveband, and the first optical emitter is configured to emit the optical signal of the first waveband to a transmission optical fiber; or, the control circuit is configured to control the second optical emitter to generate an optical signal of a second waveband, and the second optical emitter is configured to emit the optical signal of the second waveband to the transmission optical fiber. This disclosure is applied to an optical module of a wavelength division multiplex passive optical network.Type: ApplicationFiled: March 31, 2014Publication date: May 19, 2016Applicants: Hisense USA Corporation, Hisense Broadband MultiMedia Technologies Co., Ltd.Inventors: Sigeng YANG, Qisheng ZHAO, Ming LI, Lei LU, Dengshan XUE, Shijian BEN, Hongping YAN
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Publication number: 20150350754Abstract: An optical module and an optical device applicable to the optical module, wherein the optical module includes a laser emission unit, a laser reception unit, a video detector and an optical assembly, the optical assembly including: a band-pass device F1 with a small-angle incidence filter sheet, wherein among optical signals transmitted to F1 via a common port of F1, the optical signal in a first optical wavelength band is passed by the small-angle incidence filter sheet and output to the video detector via the passing port thereof; and the optical signals in other bands are reflected by the small-angle incidence filter sheet and output via the reflection port thereof; a filter sheet F2 configured to pass the optical signal emitted by the laser emission unit to the reflection port of F1 and to reflect the optical signal, received by the laser reception unit, output via the reflection port of F1.Type: ApplicationFiled: November 20, 2012Publication date: December 3, 2015Inventors: Qisheng Zhao, Qiang Zhang, Dengshan Xue, Songlin Zhu, Yong Guo, Yongja Yin, Sigeng Yang