Patents by Inventor Lei Zong
Lei Zong 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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Publication number: 20210069275Abstract: A traditional Chinese medicine composition includes 60%-80% by weight of Eucommia ulmoides extract, 15%-30% by weight of Rhizoma Drynariae extract and 5%-10% by weight of Semen Cuscutae extract. A method of preparing the traditional Chinese medicine composition is also provided. Uses of the traditional Chinese medicine composition in the prevention and/or treatment of osteoporosis are also provided.Type: ApplicationFiled: September 29, 2020Publication date: March 11, 2021Inventors: Shengcan Zou, Zengliang Zhang, Jiancheng Zong, Wenyu LI, Xin LI, Li Li, Shanglong Wang, Lei Zong
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Publication number: 20200240967Abstract: The present invention discloses a method for product quality control and fingerprint detection of an epimedium brevicornu complex. The method uses high performance liquid chromatography, and can effectively realize the quality control of products containing traditional Chinese medicine components, and especially stable control of the quality of products containing a large quantity of non-traditional Chinese medicine components in formulas. Through step-by-step quality control, product quality fluctuation is reduced and stable quality is ensured. Meanwhile, the method is simple and convenient, does not need additional instruments and standards, saves the cost and is more conducive to actual production.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Inventors: Shengcan Zou, Li Li, Lei Zong, Jiancheng Zong, Shanglong Wang, Zengliang Zhang
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Publication number: 20200237805Abstract: The present invention discloses a compound composition with function of promoting bone and joint health and an application thereof. In the present invention, glucosamine is combined with collagen, chondroitin sulfate and traditional Chinese medicine extract to prepare the compound composition with function of promoting bone and joint health. The compound composition can shorten onset time. At the same time, the traditional Chinese medicine extract for treating the bone and joint problems is added, to reduce the market impact of adding only modern joint health ingredients. Moreover, the compound composition disclosed by the present invention can be used as a dietary supplement or health food raw material for preventing or treating moderate to mild osteoarthritis. Thus, the compound composition disclosed by the present invention is suitable for promotion and application.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Inventors: Shengcan Zou, Li Li, Lei Zong, Jiancheng Zong, Shanglong Wang, Zengliang Zhang
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Patent number: 9641276Abstract: An optical line terminal (OLT) in a time and wavelength division multiplexed (TWDM) passive optical network (PON). The OLT comprises a first optical port, a second optical port, and a processor. The first optical port is configured to couple to a plurality of optical network units (ONUs) via an optical distribution network (ODN). The second optical port is configured to couple to the ONUs via the ODN. The processor is coupled to the first optical port and the second optical port and is configured such that, responsive to receiving information indicating that the first optical port has experienced a greater power loss over time than the second optical port, the OLT assigns to the first optical port a first wavelength with a power greater than the power of a second wavelength assigned to the second optical port.Type: GrantFiled: May 15, 2014Date of Patent: May 2, 2017Assignee: Futurewei Technologies, Inc.Inventors: Frank J. Effenberger, Lei Zong, Dekun Liu
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Patent number: 9590724Abstract: A method for error detection within a passive optical network (PON), the method comprising receiving a first upstream optical signal that is copied at an optical splitter, converting the first upstream optical signal to a first electrical signal, receiving a second electrical signal that is converted from a second upstream optical signal that is copied at the optical splitter, and determining a corrected transmitted data stream using at least the first electrical signal and the second electrical signal, wherein the first upstream optical signal and the second upstream optical signal are copies of an upstream optical signal generated from a plurality of optical network units (ONUs).Type: GrantFiled: May 20, 2014Date of Patent: March 7, 2017Assignee: Futurewei Technologies, Inc.Inventors: Frank J. Effenberger, Lei Zong
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Publication number: 20160309245Abstract: A remote node (RN) comprises a downstream port, a wavelength multiplexer (WM) coupled to the downstream port and comprising ports for passing optical waves, an optical rotator coupled to the WM, and a mirror coupled to the optical rotator, wherein the WM, the optical rotator, and the mirror are part of a wavelength tuning scheme. An apparatus comprises a tunable transmitter, a polarization beam splitter (PBS) coupled to the tunable transmitter, a filter coupled to the PBS, a receiver coupled to the filter, a photodiode (PD) coupled to the PBS, and a processor coupled to the tunable transmitter and the PD. An apparatus comprises a tunable transmitter configured to transmit a first optical wave, a filter configured to receive a first reflected optical wave associated with the first optical wave, and a processor configured to tune the tunable transmitter based on the first reflected optical wave.Type: ApplicationFiled: June 28, 2016Publication date: October 20, 2016Inventors: Frank J. Effenberger, Huafeng Lin, Lei Zong, Feng Wang
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Patent number: 9407395Abstract: A remote node (RN) comprises a downstream port, a wavelength multiplexer (WM) coupled to the downstream port and comprising ports for passing optical waves, an optical rotator coupled to the WM, and a mirror coupled to the optical rotator, wherein the WM, the optical rotator, and the mirror are part of a wavelength tuning scheme. An apparatus comprises a tunable transmitter, a polarization beam splitter (PBS) coupled to the tunable transmitter, a filter coupled to the PBS, a receiver coupled to the filter, a photodiode (PD) coupled to the PBS, and a processor coupled to the tunable transmitter and the PD. An apparatus comprises a tunable transmitter configured to transmit a first optical wave, a filter configured to receive a first reflected optical wave associated with the first optical wave, and a processor configured to tune the tunable transmitter based on the first reflected optical wave.Type: GrantFiled: July 3, 2014Date of Patent: August 2, 2016Assignee: Futurewei Technologies, Inc.Inventors: Frank J. Effenberger, Huafeng Lin, Lei Zong, Feng Wang
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Publication number: 20150229429Abstract: An apparatus comprises a plurality of transmitters configured to transmit waves at a plurality of wavelengths, and a multiplexer coupled to the transmitters, comprising first ports and second ports, and configured to receive, via the first ports, a first subset of the waves meeting a first equation, receive, via the second ports, a second subset of the waves meeting a second equation, and multiplex the first subset of the waves and the second subset of the waves to create a combined wave. A method comprises receiving a first subset of waves at a first plurality of wavelengths and meeting a first equation, receiving a second subset of waves at a second plurality of wavelengths and meeting a second equation, multiplexing the first subset of waves and the second subset of waves in a non-interleaved manner to create a combined wave, and transmitting the combined wave.Type: ApplicationFiled: June 19, 2014Publication date: August 13, 2015Inventors: Yuanqiu Luo, Lei Zong, Frank Effenberger
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Publication number: 20150010305Abstract: A remote node (RN) comprises a downstream port, a wavelength multiplexer (WM) coupled to the downstream port and comprising ports for passing optical waves, an optical rotator coupled to the WM, and a mirror coupled to the optical rotator, wherein the WM, the optical rotator, and the mirror are part of a wavelength tuning scheme. An apparatus comprises a tunable transmitter, a polarization beam splitter (PBS) coupled to the tunable transmitter, a filter coupled to the PBS, a receiver coupled to the filter, a photodiode (PD) coupled to the PBS, and a processor coupled to the tunable transmitter and the PD. An apparatus comprises a tunable transmitter configured to transmit a first optical wave, a filter configured to receive a first reflected optical wave associated with the first optical wave, and a processor configured to tune the tunable transmitter based on the first reflected optical wave.Type: ApplicationFiled: July 3, 2014Publication date: January 8, 2015Inventors: Frank J. Effenberger, Huafeng Lin, Lei Zong, Feng Wang
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Publication number: 20140341579Abstract: An optical line terminal (OLT) in a time and wavelength division multiplexed (TWDM) passive optical network (PON). The OLT comprises a first optical port, a second optical port, and a processor. The first optical port is configured to couple to a plurality of optical network units (ONUs) via an optical distribution network (ODN). The second optical port is configured to couple to the ONUs via the ODN. The processor is coupled to the first optical port and the second optical port and is configured such that, responsive to receiving information indicating that the first optical port has experienced a greater power loss over time than the second optical port, the OLT assigns to the first optical port a first wavelength with a power greater than the power of a second wavelength assigned to the second optical port.Type: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: Futurewei Technologies, Inc.Inventors: Frank J. Effenberger, Lei Zong, Dekun Liu
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Publication number: 20140341561Abstract: A method for error detection within a passive optical network (PON), the method comprising receiving a first upstream optical signal that is copied at an optical splitter, converting the first upstream optical signal to a first electrical signal, receiving a second electrical signal that is converted from a second upstream optical signal that is copied at the optical splitter, and determining a corrected transmitted data stream using at least the first electrical signal and the second electrical signal, wherein the first upstream optical signal and the second upstream optical signal are copies of an upstream optical signal generated from a plurality of optical network units (ONUs).Type: ApplicationFiled: May 20, 2014Publication date: November 20, 2014Applicant: Futurewei Technologies, Inc.Inventors: Frank J. Effenberger, Lei Zong
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Patent number: 8213794Abstract: A programmable optical network architecture and associated components employing a two-level orthogonal frequency division multiplexing (OFDM)/wavelength division multiplexed (WDM) mechanisms for bandwith virtualization.Type: GrantFiled: February 12, 2009Date of Patent: July 3, 2012Assignee: NEC Laboratories America, Inc.Inventors: Wei Wei, Junqiang Hu, Lei Zong, Dayou Qian, Ting Wang
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Patent number: 8200086Abstract: A storage area network extension, network and method include a storage terminal coupled to a remote node. The remote node is connected to a passive optical network (PON) for transferring data signals in the PON and storage signals to/from the storage terminal by employing subcarrier channels in the PON to enable concurrent bidirectional transfer of the data and the storage signals. A storage area network is coupled to the storage terminal and configured to store and retrieve the storage signals for transfer over the PON.Type: GrantFiled: March 7, 2008Date of Patent: June 12, 2012Assignee: NEC Laboratories America, Inc.Inventors: Yuanqiu Luo, Si Yin, Jianjun Yu, Lei Zong
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Patent number: 8135280Abstract: Methods and systems for controlling power fluctuations in a network including a plurality of nodes are disclosed. A node in the network may be configured to modify power levels in accordance with either an active state or an inactive state. The node may transition to an inactive state in response to a power change that exceeds a power change threshold. The role of the node in controlling the power fluctuation in the network is reduced in the inactive state.Type: GrantFiled: March 18, 2008Date of Patent: March 13, 2012Assignees: NEC Laboratories America, Inc., NEC CorporationInventors: Lei Zong, Ting Wang, Takefumi Oguma, Katsuyuki Mino, Osamu Matsuda
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Publication number: 20090226169Abstract: A programmable optical network architecture and associated components employing a two-level orthogonal frequency division multiplexing (OFDM)/wavelength division multiplexed (WDM) mechanisms for bandwith virtualization.Type: ApplicationFiled: February 12, 2009Publication date: September 10, 2009Applicant: NEC Laboratories America, Inc.Inventors: Wei Wei, Junqiang Hu, Lei Zong, Dayou Qian, Ting Wang
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Patent number: 7529484Abstract: An optical triplexer transceiver that utilizes parallel signal detection for use in broadband passive optical networks (B-PONs). The triplexer transceiver includes an optical filter comprising a first port coupled to a laser for receiving upstream optical data signals, a second port for passing the upstream optical data signals to a network, and for receiving combined downstream optical data and video signals from the network, the video signals modulated by subcarrier modulation (SCM), and a third port for communicating the combined downstream optical data and video signals to a photodetector constructed and arranged for simultaneously receiving the combined downstream optical data and video signals and converting the optical data and video signals to electrical signals. A plurality of filters are coupled to the photodetector for separating the combined downstream data and video signals, including a low-pass filter for passing the downstream data signals, and a band-pass filter for passing the video signals.Type: GrantFiled: March 2, 2006Date of Patent: May 5, 2009Assignee: NEC Laboratories America, Inc.Inventors: Lei Xu, Lei Zong, Philip Nan Ji, Ting Wang, Yuji Abe
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Publication number: 20090092391Abstract: Methods and systems for controlling power fluctuations in a network including a plurality of nodes are disclosed. A node in the network may be configured to modify power levels in accordance with either an active state or an inactive state. The node may transition to an inactive state in response to a power change that exceeds a power change threshold. The role of the node in controlling the power fluctuation in the network is reduced in the inactive state.Type: ApplicationFiled: March 18, 2008Publication date: April 9, 2009Applicant: NEC LABORATORIES AMERICA, INC.Inventors: Lei Zong, Ting Wang, Takefumi Oguma, Katsuyuki Mino, Osamu Matsuda
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Publication number: 20090067839Abstract: A storage area network extension, network and method include a storage terminal coupled to a remote node. The remote node is connected to a passive optical network (PON) for transferring data signals in the PON and storage signals to/from the storage terminal by employing subcarrier channels in the PON to enable concurrent bidirectional transfer of the data and the storage signals. A storage area network is coupled to the storage terminal and configured to store and retrieve the storage signals for transfer over the PON.Type: ApplicationFiled: March 7, 2008Publication date: March 12, 2009Applicant: NEC LABORATORIES AMERICA, INC.Inventors: Yuanqiu Luo, Si Yin, Jianjun Yu, Lei Zong
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Publication number: 20090060503Abstract: An optical line terminal (OLT), network and method include input and output switching modules configured to switch between input and output channels. A transmission module is configured for physical layer transmission using at least one of a plurality of transmission technologies to provide multiple uses of an existing transmission line. A dynamic resource module is configured to allocate network resources dynamically to one or more storage area networks (SAN) based on storage resource requests. A service differentiation module is configured to determine and implement different service levels for SAN users. An existing network infrastructure is enabled to provide custom SAN services without a dedicated line and without interfering with existing services.Type: ApplicationFiled: March 7, 2008Publication date: March 5, 2009Applicant: NEC LABORATORIES AMERICA, INC.Inventors: Si Yin, Yuanqiu Luo, Lei Zong, Stephen Rago
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Publication number: 20070133987Abstract: An optical triplexer transceiver that utilizes parallel signal detection for use in broadband passive optical networks (B-PONs). The triplexer transceiver includes an optical filter comprising a first port coupled to a laser for receiving upstream optical data signals, a second port for passing the upstream optical data signals to a network, and for receiving combined downstream optical data and video signals from the network, the video signals modulated by subcarrier modulation (SCM), and a third port for communicating the combined downstream optical data and video signals to a photodetector constructed and arranged for simultaneously receiving the combined downstream optical data and video signals and converting the optical data and video signals to electrical signals. A plurality of filters are coupled to the photodetector for separating the combined downstream data and video signals, including a low-pass filter for passing the downstream data signals, and a band-pass filter for passing the video signals.Type: ApplicationFiled: March 2, 2006Publication date: June 14, 2007Applicants: NEC LABORATORIES AMERICA, INC., NEC CORPORATIONInventors: Lei Xu, Lei Zong, Philip Ji, Ting Wang, Yuji Abe