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公开(公告)号：US20230211951A1
公开(公告)日：2023-07-06
申请号：US17566771
申请日：2021-12-31
Inventor： Ka Lun FAN , Chung Hang LEUNG
CPC classification number: B65G1/1371 , G06Q50/30 , G05D1/0297 , B65G1/065 , G05D1/0217 , G05D1/0289 , B65G13/02 , B65G1/0492 , B60P1/52
Abstract: A baggage management system includes: a storage rack including a plurality of receptacles shaped and structured to retain one or more baggage items; a baggage transportation system including a plurality of automated guided vehicles (AGVs) configured to transport one or more baggage items between a pick up point, a drop off point, and the storage rack, each AGV including a a wireless communication unit and a controller configured to control movement of the specific AGV based on received control instructions; and a baggage administration server including a processor, a memory unit, and a wireless communication interface, and configured to receive a request to store or retrieve a baggage item from the storage rack, determine the position of the one or more AGVs, identify the one or more AGVs required to either store or retrieve a baggage item as defined in the request, and transmit control instructions to the AGVs.
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公开(公告)号：US11467275B2
公开(公告)日：2022-10-11
申请号：US16234737
申请日：2018-12-28
Inventor： Kin Keung Lee , Edward James Jackson , Ka Lun Fan
Abstract: An ultra-wideband-based object identification method and system includes: transmitting, using a transmitter, an ultra wideband signal to an object; receiving, using a receiver, a reflected signal from the object; and determining, using a processor, an identity of the object based on the received reflected signal.
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公开(公告)号：US11458055B2
公开(公告)日：2022-10-04
申请号：US17098988
申请日：2020-11-16
Inventor： Kwai Yuen Tiu , Yuan Da Lau , Tim Ming Wong , King Sau Wong , Yan Nei Law
Abstract: A mobility device for assisting a patient includes a frame having a wheel arranged to maneuver the mobility device; a lift assembly coupled to the frame and movable between a lowered position and a raised position; and a support arm coupled to the lift assembly for movement with the lift assembly and arranged to support an upper part of a body of the patient and to support at least part of his weight on the mobility device when the lift assembly is raised from the lowered position to the raised position and when maneuvering the mobility device.
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公开(公告)号：US11261069B2
公开(公告)日：2022-03-01
申请号：US16293993
申请日：2019-03-06
Inventor： Wing Leung Chow , King Sau Wong , Lu Sze Wai , Kwai Yuen Tiu
Abstract: An automated guided vehicle includes a chassis and a load supporting apparatus positioned on the chassis, the load supporting apparatus including a platform to support a load, one or more weight sensors located in contact with the platform, the one or more weight sensors configured to provide a signal indicative of a weight of the load on the platform, and an electronic processor arranged in electronic communication with the one or more weight sensors. The electronic processor is configured to receive the signal from each of the one or more weight sensors, and the electronic processor is configured to process the signal and determine stability of the load on the platform.
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公开(公告)号：US20210295664A1
公开(公告)日：2021-09-23
申请号：US16823579
申请日：2020-03-19
Inventor： Kwong Yeung Simon Wong , To Bun Ng , Kwong Tim Chan
IPC: G08B13/196 , G08B13/189
Abstract: A video-based security system for providing video security to cargo transport vehicle. The security system includes a camera support configured at the exterior of a cargo storage area; a camera system attached to the camera support for covering a top plane, front plane, left plane, right plane, and back plane of a cargo area; and a main unit connecting to the camera system for logging incident records.
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Patent Agency Ranking
公开(公告)号：US20210294347A1
公开(公告)日：2021-09-23
申请号：US16823558
申请日：2020-03-19
Inventor： Xiao Sheng Chen , Guang Bo Li , Kin Keung Lee , Leung Chiu
Abstract: A method of controlling a guide machine and a navigation system. The navigation system includes: a plurality of signal sources deployed in a predetermined area; a guide machine including a signal receiver arranged to receive electromagnetic signals emitted from one or more of the plurality of signal sources; and a processor arranged to process the electromagnetic signals to identify the locations of the signal sources, and thereby to determine a current position of the guide machine with reference to the locations of the signal sources; and the processor is further arranged to determine a path for the guide machine to travel from the current position to a destination location in the predetermined area.
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公开(公告)号：US20250105849A1
公开(公告)日：2025-03-27
申请号：US18475485
申请日：2023-09-27
Inventor： Feng Lu , Jing Jung Tang
Abstract: An electronic oscillator circuit and a method for controlling an oscillation frequency of a ring oscillator circuit. The circuit includes a plurality of inverter stages each Including an inverter and a trans-resistance switch circuit configured to switch on the inverter during an operation of the electronic oscillator circuit thereby facilitating the inverter to generate an inverter output signal in response to an inverter input signal fed to the inverter; wherein the inverters in the plurality of the inverter stages are connected to form a ring oscillator circuit.
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公开(公告)号：US20240333509A1
公开(公告)日：2024-10-03
申请号：US18192860
申请日：2023-03-30
Inventor： Tsz Ho Pun , Chung Dak Shum
CPC classification number: H04L9/3218 , G06Q10/08 , H04L9/0618 , H04L9/0866 , H04L9/50
Abstract: Provided is a computer implemented method of providing a blockchain based traceability service. The method comprises, for each secret from a set of secrets associated with respective ones of a set of parameters for a traceable item, generating a proof to provide a set of proofs. The method includes generating a ciphertext based on a public data encryption key from a set of public data encryption keys associated with said parameters for the traceable item, and information of said traceable item. The preceding step is repeated for each pair of identifier and public data encryption key. The method involves uploading to the blockchain the generated ciphertext, the respective identifier, a hash value of the respective secret, and the respective proof for each parameter of the traceable item, verifying in the blockchain the set of uploaded proofs, and storing verified data in the blockchain.
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公开(公告)号：US20240330618A1
公开(公告)日：2024-10-03
申请号：US18193989
申请日：2023-03-31
Inventor： Jing Jung Tang , Leung Chiu , Xiao Sheng Chen
IPC: G06K7/10
CPC classification number: G06K7/10356 , G06K7/10346
Abstract: There is provided an antenna for a radio frequency identification (RFID) tag, which includes a loop antenna, an amplifying antenna, an additional antenna structure to modify impedance of the entire antenna. The additional antenna structure has a first electromagnetic coupling with the amplifying antenna and a second electromagnetic coupling with the loop antenna.
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公开(公告)号：US20240330591A1
公开(公告)日：2024-10-03
申请号：US18191143
申请日：2023-03-28
Inventor： Meiqi He , Chun Fai Chan , Chung Dak Shum
IPC: G06F40/30 , G06F40/284 , G06F40/58
CPC classification number: G06F40/30 , G06F40/284 , G06F40/58
Abstract: The invention provides a computer-implemented method and system for analyzing texts. The method comprises the steps of identifying one or more sentences of a first text in a first language; identifying one or more sentences of a second text in a second language; translating the identified one or more sentences of the first text from the first language into the second language; processing the sentences of the first text in the second language and the sentences of the second text in the second language into a first representation of the sentences of the first text, and a second representation of the sentences of the second text; and comparing the first representation of sentences of the first text with the second representation of sentences of the second text to identify one or more sentences of similarity between the first text and the second text.
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