Patents by Inventor Wai Ng
Wai Ng 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: 12229165Abstract: A method is provided for identifying operating conditions of a system. Input data relating to operation of the system is applied to a multi-class model for classification, where the multi-class model is configured for classifying the data into one of a plurality of predefined classes, and each class corresponds to a respective operating condition of the system. A confidence level of the classification by the multi-class model is determined. If the confidence level is below a threshold confidence level, the input data is applied to a plurality of binary models, where each binary model is configured for determining whether the data is or is not in a respective one of the predefined classes. If the plurality of binary models determine that the data is not in any of the respective predefined classes, the data can be taken into consideration when updating the multi-class model.Type: GrantFiled: July 12, 2019Date of Patent: February 18, 2025Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Philipp Frank, Chin Lam Eng, Raul Martin Cuerdo, Mitchell Ho, Chee Wai Ng
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Publication number: 20250033249Abstract: A method for preparing a composite construction material, the method including: combining plastic waste and construction waste, such as construction debris, crushed rock, stone, concrete rubbles, soil, or a mixture thereof, thereby forming a waste mixture; and curing the waste mixture under oxygen-free conditions thereby melting or softening at least a portion of the plastic waste and forming the composite construction material.Type: ApplicationFiled: July 24, 2024Publication date: January 30, 2025Inventors: Charles Wang Wai NG, Pui San SO, Sze Yu LAU
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Patent number: 12208182Abstract: The present invention relates to a device for dispersing a volatile liquid comprising: a wick; a solid support; and a volatile liquid; wherein the wick is attached to the solid support; wherein the solid support is porous; and wherein the volatile liquid is contained within pores in the solid support. The invention also relates to methods of making such a device.Type: GrantFiled: April 10, 2019Date of Patent: January 28, 2025Assignee: SCENTSTICKS LIMITEDInventors: Stephen Richard Coals, Terence Man Wai Ng
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Patent number: 12210907Abstract: In various embodiments, software architecture and network topology are provided to implement a decentralized distributed computing environment. In some embodiments, the novel network topology is configured as a mesh network such that individual hub devices are connected directly or indirectly with each other. An individual worker can be added to or removed from this network via connection with the hub devices without affecting the rest of the workers in the network and without user intervention or knowledge.Type: GrantFiled: February 15, 2022Date of Patent: January 28, 2025Assignee: Cortic Technology Corp.Inventors: Ye Lu, Him Wai Ng, Zhen Wang
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Publication number: 20250024924Abstract: Present disclosure discloses a hair treatment device. The hair treatment device includes a body defined with a hair-treatment section and a heating plate disposed in the hair treatment section. The heating element is an electrical conductor. Further, the hair treatment device includes at least one ion generator configured to generate and channelize ions through a groove defined in the body adjacent to the hair-treatment section forming an ion stream. Furthermore, the hair treatment device includes an ion attractor defined in the body. The ion attractor bridges the groove and the heating element, where the heating element attracts ions from the ion stream through the ion attractor for distributing ion stream along a length of the groove. Even distribution of the ions along the length of the groove, provides more area for defrizzing of hair, thereby facilitates effective defrizzing of the hair.Type: ApplicationFiled: November 15, 2022Publication date: January 23, 2025Inventors: KA WAI SIU, CHOR MAN NG
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Patent number: 12170908Abstract: A method 300 is disclosed for generating and training a model to detect interference conditions at a cell in a wireless cellular network and to classify the impact of detected interference conditions on performance of the wireless cellular network in the cell. The method comprises, for each of a plurality of cells in the wireless cellular network (360), obtaining data representing received signal power at a base station serving the cell over a period of time (310) and obtaining data representing a plurality of performance metrics for the cell over the time period (330). The method further comprises obtaining classifications of the received signal power data into one of a plurality of cell interference conditions (320) and the performance metric data into one of a plurality of cell impact classes (340).Type: GrantFiled: February 15, 2019Date of Patent: December 17, 2024Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Chin Lam Eng, Philipp Frank, Raul Martin Cuerdo, Mitchell Ho, Chee Wai Ng
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Publication number: 20240403410Abstract: A Hybrid TEE device allows a Trusted Execution Environment (TEE) by incorporating hardware comprising a Cache Purging Controller, a Memory Isolation Gateway, and a Memory Clean Up into a System on a Chip device, a general purpose computing device, or a special purpose or proprietary computing or electronic device. The addition of the hardware enables a method of protecting the Trusted Execution Environment and thus reducing vulnerability to malicious software or other program code.Type: ApplicationFiled: June 1, 2023Publication date: December 5, 2024Applicant: Hong Kong Applied Science and Technology Research Institute Company LimitedInventors: Chi Wai NG, Chan Fai LAM, Yun Kau LEE
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Publication number: 20240371374Abstract: An apparatus supports smart assistant services with a plurality of smart service providers. The apparatus includes an audio device that receives a speech signal having a user utterance, captures the user utterance when the user utterance includes a user wake word, and sends the captured utterance to a backend computing device. The backend computing device replaces the user wake word with specific wake words associated with different smart service providers. The processed utterances are then sent to selected smart service providers. The backend computing device subsequently constructs feedback to the user utterance based on voice responses from the different smart service providers. The backend computing device then passes a digital representation of the feedback to the audio device, and the audio device converts the digital representation to an audio reply to the user utterance.Type: ApplicationFiled: June 14, 2024Publication date: November 7, 2024Applicant: Computime Ltd.Inventors: Hung Bun Choi, Kai Nang Pang, Yau Wai Ng, Chi Chung Liu, Tsz Kin Lee
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Publication number: 20240358871Abstract: An aerosol-surface interface sanitization system comprising a non-toxic, non-corrosive and biocompatible sanitization formulation, and a nebulizer selected from jet-nebulizer, ultrasonic nebulizer or spray gun. This system is designed for interior environment application, and is applicable for both airborne and surface disinfection. The sanitization formulation is formed by membrane emulsification technique to optimize nebulization efficiency through adjustment in viscosity, droplet size, dispersion area and settlement rate, while having a high antiviral, antifungal and antibacterial activity.Type: ApplicationFiled: April 17, 2024Publication date: October 31, 2024Inventors: Tsz Wai NG, Wah Kit CHEUK, Sum Yi MA, Chun Hay KO, Cheuk Ka POON
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Patent number: 12051410Abstract: An apparatus supports smart assistant services with a plurality of smart service providers. The apparatus includes an audio device that receives a speech signal having a user utterance, captures the user utterance when the user utterance includes a user wake word, and sends the captured utterance to a backend computing device. The backend computing device replaces the user wake word with specific wake words associated with different smart service providers. The processed utterances are then sent to selected smart service providers. The backend computing device subsequently constructs feedback to the user utterance based on voice responses from the different smart service providers. The backend computing device then passes a digital representation of the feedback to the audio device, and the audio device converts the digital representation to an audio reply to the user utterance.Type: GrantFiled: April 26, 2021Date of Patent: July 30, 2024Assignee: Computime Ltd.Inventors: Hung Bun Choi, Kai Nang Pang, Yau Wai Ng, Chi Chung Liu, Tsz Kin Lee
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Publication number: 20240250886Abstract: A method includes extracting, from first log data relating to operations of wireless devices and/or nodes in the communication network, textual elements and numerical elements; transforming the textual elements to a first vector space to determine respective textual element vectors; transforming the numerical elements to a second vector space to determine respective numerical element vectors; embedding and clustering the textual element vectors and the numerical element vectors to determine clusters of embedded vectors, wherein the embedding includes, for a plurality of wireless device sessions, embedding at least one textual element vector and at least one numerical element vector into a single embedded vector representing the particular wireless device session; and training a classifier model to determine a network status from second log data, wherein the classifier model is trained using the plurality of clusters of embedded vectors.Type: ApplicationFiled: May 28, 2021Publication date: July 25, 2024Inventors: Chin Lam ENG, Yu JIA, Lichao GUI, Chee Wai NG, Philipp FRANK
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Publication number: 20240211448Abstract: A method of managing load in a database system includes receiving, by a compute node, from a page store, a log writing quota. Then, requesting, by a transaction of the compute node, a lock of a page to be modified by the transaction where the page is part of the page store including a plurality of pages and the transaction is configured to write a data amount to a log. Also, granting, by a lock manager of the compute node, the lock and determining, by the compute node, that the data amount exceeds the log writing quota. Furthermore, releasing, by the transaction, the lock, and throttling, by the compute node, the transaction until a criteria is fulfilled. Then, reacquiring, by the transaction, in response to the criteria being fulfilled, the lock, and writing, by the compute node, the data amount to the log.Type: ApplicationFiled: December 22, 2022Publication date: June 27, 2024Applicant: HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.Inventors: Alexandre DEPOUTOVITCH, Jack Hon Wai NG, Chong CHEN
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Patent number: 12011487Abstract: The present disclosure relates to salvianolic acid-gelatin conjugate load retentive hydrogel nanoparticles useful for oral delivery of salvianolic acid, pharmaceutical compositions comprising the same, and methods of use and preparation thereof.Type: GrantFiled: March 19, 2021Date of Patent: June 18, 2024Assignee: Nano and Advanced Materials Institute LimitedInventors: Chun Hay Ko, Joo Ann Ewe, Guang Rong Tan, Hok Him Pan, Tsz Wai Ng
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Publication number: 20240184766Abstract: A method of managing locks in a database is performed by a row lock manager of a database master. The method includes receiving, from a transaction executing on the database master, a row lock request for a row in the database. The row lock request includes a page in the database where the row is located. The row lock request also includes a row lock mode of sufficient strength to perform the transaction. Then, sending, to a page lock manager, a request for a covering lock of the page. The request specifies a page lock mode of sufficient strength to satisfy the row lock mode. Also, receiving, from the page lock manager, a grant of the page lock. The page lock includes information on row locks of rows located in the page. Then, granting, to the transaction, the row lock.Type: ApplicationFiled: December 1, 2022Publication date: June 6, 2024Applicant: HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.Inventors: Jack Hon Wai NG, Per-Ake LARSON, Alexandre DEPOUTOVITCH, Chong CHEN
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Publication number: 20240148661Abstract: A heat and acid resistant probiotics microsphere having a size from 20 to 250 ?m that can readily be incorporated into food or beverages that subsequently undergo thermal treatment. The synbiotic core includes a seed layer formed from at least one polysaccharide. A probiotic microorganism is coated on the seed layer. An acid-resistant shell layer is positioned over the synbiotic core, the acid-resistant shell layer comprising one or more pH-responsive polymers. A heat-resistant bilayer shell is positioned over the acid-resistant shell layer, the heat-resistant bilayer shell including an inner shell layer and an outer shell layer, wherein the inner shell layer includes a heat-resistant liposome layer and the outer layer includes a heat-resistant disaccharide or polysaccharide.Type: ApplicationFiled: November 1, 2023Publication date: May 9, 2024Inventors: Joo Ann EWE, Chun Hay KO, Tsz Wai NG, Ka Man TSE, Mu WANG
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Publication number: 20240046176Abstract: Predicting non-conformance of vehicle parts is provided. The method comprises collating historical work records related to a vehicle model, wherein each work record specifies a work task, non-conformances discovered during the work task, replacement parts required for the work task, when the work task occurred, and where the work task occurred. From the historical work records the system calculates probabilities of non-conformances according to types of work tasks, locations of the work tasks, and timing of the work tasks. Replacement part requirements are determined according to types of non-conformances, and requests are sent for replacement parts for specified service locations according to scheduled work tasks for the vehicle model at the service locations and anticipated probabilities of non-conformances related to the work tasks.Type: ApplicationFiled: August 5, 2022Publication date: February 8, 2024Inventors: Alexander Bellemare-Davis, Baris Tan, Valarie Yuen Wai Ng
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Publication number: 20240018043Abstract: Method for preparing a sustainable construction material, the method including: combining construction waste, food waste comprising calcium, and water thereby forming a waste mixture; optionally moulding the waste mixture; and contacting the waste mixture with CO2 under conditions in which at least a portion of the calcium present in the waste mixture is converted to calcium carbonate thereby forming a treated waste mixture thereby forming the sustainable construction material.Type: ApplicationFiled: July 6, 2023Publication date: January 18, 2024Inventors: Charles Wang Wai NG, Pui San SO, Sze Yu LAU, Poman LO
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Patent number: 11843663Abstract: A logical clock is implemented in networked nodes. Messages between nodes can include either a scalar timestamp or a vector timestamp. The scalar timestamp leads to an overhead reduction, and nodes can select whether to send a scalar or vector timestamp depending on requirements. Message recipients update their logical clock vector differently depending on whether the scalar or vector timestamp is received. Applications to multi-master databases are also provided. The clock conforms to Lamport clock requirements when the scalar timestamp is sent, and conforms to both Lamport and vector clock requirements when the vector timestamp is sent.Type: GrantFiled: January 3, 2023Date of Patent: December 12, 2023Assignee: HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.Inventors: Alexandre Depoutovitch, Per-Ake Larson, Jack Hon Wai Ng, Chong Chen
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Patent number: 11834620Abstract: Systems and methods related to centrifuge energy harvesting chambers (CEHCs) for gas production simulation are provided. Certain CEHCs may include a high-pressure chamber, high-pressure syringe pumps, cooling systems, an actuator and surcharge, backpressure control inside the wellbore, a heating element on the wellbore, water gas separation systems, and flow measurement systems. Certain CEHCs may also provide software operably connected to sensors and instrumentation, comprising a module to continuously, in real-time, periodically, or asynchronously, measure and monitor simulation variables.Type: GrantFiled: November 16, 2021Date of Patent: December 5, 2023Assignee: The Hong Kong University of Science and TechnologyInventors: Charles Wang Wai Ng, Sina Baghbanrezvan
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Publication number: 20230363578Abstract: An appliance for making a beverage comprising: a conduit defining a liquid flow path for the liquid; a pump to move the liquid under pressure along the flow path and configured to operate in a first mode and a second mode, different to the first mode, a sensor assembly configured to determine a first flow rate of the liquid in the flow path when the pump operates in the first mode and determine a second flow rate when the pump operates in the second mode; and a controller operatively coupled with the pump and the sensor assembly and configured to cause the pump to switch from the first mode to the second mode if the first flow rate is below a first threshold and to cause the pump to switch from the second mode to the first mode if the second flow rate is above a second threshold. In the second mode, the pump causes the liquid to move under increased pressure than in the first mode to at least aid in resolving cavitation. A method of controlling the appliance to make a beverage is also disclosed.Type: ApplicationFiled: September 9, 2021Publication date: November 16, 2023Inventors: Ali TOFAILI, Luichang ZHENG, Michael Yui Ko WONG, Sing Wai NG, Kai XIAO