Patents by Inventor Wing Kwan
Wing Kwan 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: 11251320Abstract: A layered structure used for detecting incident light includes a substrate having a surface with a high Miller index crystal orientation and a superlattice structure formed over the substrate at the surface. The superlattice structure is aligned to the high Miller index crystal orientation and exhibits a red-shifted long wave infrared response range based on the crystal orientation as compared to a superlattice structure formed over a substrate at a surface with a (100) crystal orientation.Type: GrantFiled: April 9, 2020Date of Patent: February 15, 2022Assignee: IQE plcInventors: Dmitri Lubyshev, Joel Mark Fastenau, Amy Wing Kwan Liu, Michael Vincent Kattner, Philip Lee Frey, Scott Alan Nelson, Mark Justin Furlong
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Patent number: 11069825Abstract: An optoelectronic device includes an Sb-based metamorphic photodetector grown over a silicon substrate via a buffer layer. The device includes a layered structure. The layered structure can include a silicon substrate, a buffer layer formed over the Si substrate, and an infrared photodetector formed over the buffer layer. In some embodiments, the buffer layer includes a composite buffer layer having sublayers. For example, the composite buffer layer includes a Ge-based sublayer formed over the substrate, a III-As sublayer grown over the Ge-based sublayer, and a III-Sb sublayer formed over the III-As sublayer.Type: GrantFiled: May 28, 2019Date of Patent: July 20, 2021Assignee: IQE plcInventors: Amy Wing Kwan Liu, Dmitri Lubyshev, Joel Mark Fastenau, Scott Alan Nelson, Michael Vincent Kattner, Philip Lee Frey, Matthew Fetters, Hubert Krysiak, Zhaoquan Zeng, Aled Owen Morgan, Stuart Andrew Edwards
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Patent number: 10917266Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: GrantFiled: October 30, 2019Date of Patent: February 9, 2021Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Publication number: 20200328315Abstract: A layered structure used for detecting incident light includes a substrate having a surface with a high Miller index crystal orientation and a superlattice structure formed over the substrate at the surface. The superlattice structure is aligned to the high Miller index crystal orientation and exhibits a red-shifted long wave infrared response range based on the crystal orientation as compared to a superlattice structure formed over a substrate at a surface with a (100) crystal orientation.Type: ApplicationFiled: April 9, 2020Publication date: October 15, 2020Inventors: Dmitri Lubyshev, Joel Mark Fastenau, Amy Wing Kwan Liu, Michael Vincent Kattner, Philip Lee Frey, Scott Alan Nelson, Mark Justin Furlong
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Patent number: 10616010Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: GrantFiled: February 17, 2017Date of Patent: April 7, 2020Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Publication number: 20200067740Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: ApplicationFiled: October 30, 2019Publication date: February 27, 2020Inventors: Marco BREILING, Frank BURKHARDT, Christian ROHDE, Wing Kwan NG, Robert SCHOBER
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Patent number: 10574488Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: GrantFiled: February 17, 2017Date of Patent: February 25, 2020Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Publication number: 20190371947Abstract: An optoelectronic device includes an Sb-based metamorphic photodetector grown over a silicon substrate via a buffer layer. The device includes a layered structure. The layered structure can include a silicon substrate, a buffer layer formed over the Si substrate, and an infrared photodetector formed over the buffer layer. In some embodiments, the buffer layer includes a composite buffer layer having sublayers. For example, the composite buffer layer includes a Ge-based sublayer formed over the substrate, a III-As sublayer grown over the Ge-based sublayer, and a III-Sb sublayer formed over the III-As sublayer.Type: ApplicationFiled: May 28, 2019Publication date: December 5, 2019Inventors: Amy Wing Kwan Liu, Dmitri Lubyshev, Joel Mark Fastenau, Scott Alan Nelson, Michael Vincent Kattner, Philip Lee Frey, Matthew Fetters, Hubert Krysiak, Zhaoquan Zeng, Aled Owen Morgan, Stuart Andrew Edwards
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Patent number: 10491433Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: GrantFiled: February 17, 2017Date of Patent: November 26, 2019Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Patent number: 10461840Abstract: A SUDAC includes a first and a second wireless communication interface and a processor. The first wireless communication interface is configured for using ultra-high frequency in order to establish at least one backend communication link with a base station. The second wireless communication interface is configured for using extremely-high frequency in order to establish at least one frontend communication link with a user equipment. The processor is configured for at least partially forwarding a user information signal received via the frontend communication link to be transmitted via the backend communication link while frequency converting the extremely-high frequency to the ultra-high frequency vice versa. The processor is further configured for extracting control information from the user information signal and for controlling forward parameters of the first or the second wireless communication interface based on the control information.Type: GrantFiled: February 22, 2017Date of Patent: October 29, 2019Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Patent number: 10419102Abstract: A SUDAC includes a first and a second wireless communication interface and a processor. The first wireless communication interface is configured for using ultra-high frequency in order to establish at least one backend communication link with a base station. The second wireless communication interface is configured for using extremely-high frequency in order to establish at least one frontend communication link with a user equipment. The processor is configured for at least partially forwarding a user information signal received via the frontend communication link to be transmitted via the backend communication link while frequency converting the extremely-high frequency to the ultra-high frequency vice versa. The processor is further configured for extracting control information from the user information signal and for controlling forward parameters of the first or the second wireless communication interface based on the control information.Type: GrantFiled: February 22, 2017Date of Patent: September 17, 2019Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Marco Breiling, Frank Burkhardt, Christian Rohde, Wing Kwan Ng, Robert Schober
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Publication number: 20170163331Abstract: A SUDAC includes a first and a second wireless communication interface and a processor. The first wireless communication interface is configured for using ultra-high frequency in order to establish at least one backend communication link with a base station. The second wireless communication interface is configured for using extremely-high frequency in order to establish at least one frontend communication link with a user equipment. The processor is configured for at least partially forwarding a user information signal received via the frontend communication link to be transmitted via the backend communication link while frequency converting the extremely-high frequency to the ultra-high frequency vice versa. The processor is further configured for extracting control information from the user information signal and for controlling forward parameters of the first or the second wireless communication interface based on the control information.Type: ApplicationFiled: February 22, 2017Publication date: June 8, 2017Inventors: Marco BREILING, Frank BURKHARDT, Christian ROHDE, Wing Kwan NG, Robert SCHOBER
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Publication number: 20170163452Abstract: A transceiver of a user equipment includes a receiving stage, a frontend channel estimator, a frontend channel equalizer, a backend channel estimator, and a backend channel equalizer. The receiving stage is configured to receive an inbound signal from a SUDAC, which enables a relay communication including a frontend communication using extremely-high frequencies and a backend communication using ultra-high frequencies. The inbound signal includes a data portion, a backend control portion and a frontend control portion, the frontend control portion including a frontend evaluation signal and a configuration signal.Type: ApplicationFiled: February 17, 2017Publication date: June 8, 2017Inventors: Marco BREILING, Frank BURKHARDT, Christian ROHDE, Wing Kwan NG, Robert SCHOBER
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Publication number: 20090109953Abstract: System and methodologies for timing synchronization in a wireless communication system are provided herein. The provided systems and methodologies can utilize various timing synchronization algorithms and an associated state machine to reduce the down time of a wireless communication system due to the presence of simultaneously operating piconets (SOP) and/or other factors. Frequency band finger pattern detection techniques are additionally described that can reduce boundary mismatch rates for wireless receivers. In one example, by making use of the fact that time frequency codes (TFCs) possess unique frequency hopping patterns, system down time can be reduced and OFDM boundary matching can be enhanced to allow a receiver to obtain correct timing information even for communication channels having a very low SINR.Type: ApplicationFiled: October 29, 2007Publication date: April 30, 2009Applicant: The Hong Kong University of Science and TechnologyInventors: Yui Ming Tsang, Chi Tin Luk, Wing Kwan Ng, Vincent Kin Nang Lau, Roger Shu Kwan Cheng, Chi Ying Tsui
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Publication number: 20050192379Abstract: An aqueous shear-thinning eradicable marking composition such as an ink, including water, a dye selected from the group consisting of diarylmethane derivatives, triarylmethane derivatives, methine dyes, and a film-forming resin, wherein the composition has a shear-thinning index in the range of about 0.35 to about 1.0; a kit including the composition and an eradicator solution; a complex including a colorless or substantially colorless dye selected from the group consisting of oxidized diarylmethane derivatives, oxidized triarylmethane derivatives, and oxidized methine dyes, and a film-forming resin; and methods of using the composition as part of an eradicable ink system, are disclosed herein.Type: ApplicationFiled: April 25, 2005Publication date: September 1, 2005Inventor: Wing Kwan
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Publication number: 20050095055Abstract: The disclosure is generally related to writing instruments capable of making markings containing large diameter glitter pigment particles, and glitter ink compositions for the same. In one embodiment, the disclosure provides a capillary-action marker comprising a glitter ink composition comprising glitter pigment particles having a particle size greater than about 12.1 microns in at least one dimension and at least one solvent, a low density ink reservoir for storing the glitter ink composition, and a porous nib in fluid communication with the low density ink reservoir.Type: ApplicationFiled: September 20, 2004Publication date: May 5, 2005Inventors: Wing Kwan, Jennifer Carra
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Publication number: 20050075419Abstract: An improved color changing correction fluid is provided which includes either a volatile base or a volatile acid in combination with a color changing pH indicator, all in a water based fluid or system. As the fluid dries, the volatile base or acid evaporates along with the water and the pH color changing indicator changes from a colored state to a clear state. For white paper, a white pigment is utilized and therefore the fluid changes from a colored state to a white finished state as the solvent water and acid or base evaporates. Different color pigments can be utilized to match the color of the particular paper or substrate.Type: ApplicationFiled: February 11, 2004Publication date: April 7, 2005Inventors: Wing Kwan, Jiandong Zhu
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Publication number: 20050053416Abstract: A fluid control system for writing instruments, correction fluid dispensers and self contained paint brush and paint reservoirs is disclosed. The fluid control system includes two filters or reservoirs, including a hydrophobic filter/reservoir and a hydrophilic filter/reservoir. The hydrophobic and hydrophilic elements may be spaced adjacent to and in abutting engagement with each other or a gap or space may be disposed therebetween. The hydrophobic element is disposed adjacent to the fluid reservoir (i.e., ink, correction fluid, paint reservoir or other water based fluid) and the hydrophilic element is disposed adjacent to the applicator tip or brush.Type: ApplicationFiled: July 14, 2004Publication date: March 10, 2005Inventors: Wing Kwan, Leighton Davies-Smith
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Publication number: 20050043436Abstract: An improved high gloss ink for use in children's writing instruments is described. The improved high gloss ink avoids the use of metal-containing pigments and their relatively high costs. Further, the inks disclosed herein are affective in imparting a shiny or glossy appearance when dried on a porous or thin paper substrate, such as those commonly used for children's art materials, such as construction paper and paper used to fabricate children's coloring books. Thus, the inks disclosed herein not only provide a shiny or glossy appearance when dried, but also avoid bleed-through problems when used on thin paper substrates.Type: ApplicationFiled: May 12, 2004Publication date: February 24, 2005Inventors: Wing Kwan, Jennifer Carra