Patents by Inventor Qisheng Zhao
Qisheng Zhao 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).
-
Patent number: 11834781Abstract: The disclosure provides a method of continuous dyeing with reactive dyes in wet conditions, the method including: 1) adding fabric to a mixture of a dye liquor and an alkali through a one-bath-one-step method; 2) immersing the fabric pretreated in 1) in a padding liquor with an air film horizontal pad dyeing machine; 3) preheating the fabric after being treated in 2) at a temperature of 50-90° C.; and 4) rolling and batching the fabric after being treated in 3) at a temperature of 10-70° C. for 2-72 hours.Type: GrantFiled: July 20, 2021Date of Patent: December 5, 2023Assignees: HUAFANG CO., LTD, DONGHUA UNIVERSITY, BINZHOU HUA TEXTILE ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD.Inventors: Zhiping Mao, Hongyu Sun, Chunguang Li, Rongxia Jia, Yi Zhong, Hong Xu, Limin Wang, Qi Yu, Xiaomin Liu, Qingbo Lu, Chunying Sheng, Engang Lu, Qisheng Zhao, Wei Wu, Yamin Dai, Jinbo Wang
-
Publication number: 20210348329Abstract: The disclosure provides a method of continuous dyeing with reactive dyes in wet conditions, the method including: 1) adding fabric to a mixture of a dye liquor and an alkali through a one-bath-one-step method; 2) immersing the fabric pretreated in 1) in a padding liquor with an air film horizontal pad dyeing machine; 3) preheating the fabric after being treated in 2) at a temperature of 50-90° C.; and 4) rolling and batching the fabric after being treated in 3) at a temperature of 10-70° C. for 2-72 hours.Type: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Inventors: Zhiping MAO, Hongyu SUN, Chunguang LI, Rongxia JIA, Yi ZHONG, Hong XU, Limin WANG, Qi YU, Xiaomin LIU, Qingbo LU, Chunying SHENG, Engang LU, Qisheng ZHAO, Wei WU, Yamin DAI, Jinbo WANG
-
Patent number: 11054594Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: GrantFiled: February 18, 2020Date of Patent: July 6, 2021Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang Zhang, Qisheng Zhao
-
Publication number: 20200183108Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: ApplicationFiled: February 18, 2020Publication date: June 11, 2020Applicants: Hisense Broadband Multimedia Technologies, Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO
-
Patent number: 10680399Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: GrantFiled: December 20, 2017Date of Patent: June 9, 2020Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.Inventors: Qiang Zhang, Qisheng Zhao, Shihai Yang
-
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
-
Patent number: 10571639Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: GrantFiled: March 18, 2019Date of Patent: February 25, 2020Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang Zhang, Qisheng Zhao
-
Publication number: 20190212510Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: ApplicationFiled: March 18, 2019Publication date: July 11, 2019Applicants: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO
-
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
-
Patent number: 10254162Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: GrantFiled: December 29, 2016Date of Patent: April 9, 2019Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES LTD.Inventors: Qiang Zhang, Qisheng Zhao
-
Patent number: 10224696Abstract: An optical module includes: a first thermoelectric cooler (TEC) disposed at least partially inside a laser, a second TEC is disposed on a housing of the laser, and a micro control unit (MCU). The first TEC is configured to perform heating or cooling according to an enabling signal input by aMCU. The second TEC is configured to perform heating or cooling according to an enabling signal input by the MCU. The MCU is configured to determine whether to input an enabling signal or a disabling signal to the first TEC and the second TEC according to a size of operating current input by a drive circuit of a laser chip to the laser chip.Type: GrantFiled: December 12, 2017Date of Patent: March 5, 2019Assignees: HISENSE BROADBRAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.Inventors: Qiang Zhang, Qisheng Zhao, Chenghao Jin
-
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
-
Patent number: 10171179Abstract: An optical module and an optical line terminal device are disclosed. According to an example, the optical line terminal device comprises a system board and an optical module. The system board comprises an optical module control circuit comprising a main control chip and a drive circuit. The optical module comprises a circuit board provided with an electrical interface, an optical assembly and a memory unit. The memory unit is configured to store an operation parameter of the optical assembly. The electrical interface has a first pin to be connected with a drive end of the optical assembly and a second pin to be connected with a data transmission pin of the memory unit. In this way, main control chip is allowed to read the operation parameter of the optical assembly through the first pin and configure the drive circuit accordingly, while the drive circuit is allowed to drive the optical assembly through the second pin.Type: GrantFiled: December 28, 2016Date of Patent: January 1, 2019Assignees: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES, LTD.Inventors: Qiang Zhang, Qisheng Zhao
-
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
-
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
-
Publication number: 20180138649Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: ApplicationFiled: December 20, 2017Publication date: May 17, 2018Applicants: Hisense Broadband Multimedia Technologies Co., Ltd ., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO, Shihai YANG
-
Publication number: 20180102629Abstract: An optical module includes: a first thermoelectric cooler (TEC) disposed at least partially inside a laser, a second TEC is disposed on a housing of the laser, and a micro control unit (MCU). The first TEC is configured to perform heating or cooling according to an enabling signal input by aMCU. The second TEC is configured to perform heating or cooling according to an enabling signal input by the MCU. The MCU is configured to determine whether to input an enabling signal or a disabling signal to the first TEC and the second TEC according to a size of operating current input by a drive circuit of a laser chip to the laser chip.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Applicants: Hisense Broadband MultiMedia Technologies Co., Ltd, Hisense USA Corp., Hisense International Co., Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO, Chenghao JIN
-
Patent number: 9929533Abstract: The present disclosure relates to the field of optical communication, particularly to an optical module. An optical module according to embodiments of the disclosure includes: a laser device including an emission region, and a modulation region to which light emitted by the emission region is transmitted; a bias circuit connected with the emission region, configured to drive the emission region to emit light at stable optical power; a modulation circuit connected with the modulation region, configured to drive the modulation region, so that the modulation region varies the optical power of the light emitted from the emission region; and a semiconductor optical amplifier configured to receive the light from the modulation region, and to vary the optical power of the light.Type: GrantFiled: December 22, 2016Date of Patent: March 27, 2018Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Shihai Yang, Qiang Zhang, Qisheng Zhao
-
Publication number: 20180073921Abstract: The present disclosure provides an optical module comprising: a photoelectric conversion unit, a first demodulation circuit, and a second demodulation circuit; the first demodulation circuit and the second demodulation circuit are respectively connected to the photoelectric conversion unit; the photoelectric conversion unit is configured to convert the received optical signal into an electrical signal; the first demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a high-frequency electrical signal; the second demodulation circuit is configured to demodulate an electrical signal converted by the photoelectric conversion unit and generate a low-frequency electrical signal.Type: ApplicationFiled: December 29, 2016Publication date: March 15, 2018Inventors: QIANG ZHANG, QISHENG ZHAO
-
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