Patents by Inventor Chee-Keong Tee
Chee-Keong Tee 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: 20250214255Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.Type: ApplicationFiled: February 21, 2025Publication date: July 3, 2025Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Hian Hian SEE, Brian LIM, Soon Hong Harold SOH, Tasbolat TAUNYAZOV, Weicong SNG, Sheng Yuan Jethro KUAN, Abdul Fatir ANSARI
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Patent number: 12295617Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.Type: GrantFiled: April 19, 2023Date of Patent: May 13, 2025Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.Inventors: Prusothman M. Sina Raja, Chee Keong Tee, Zongyuan Xu, Qi Tan, Chelsea Nisban, Ziyue Lu, Kelli Zhao Rong Chan
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Patent number: 12259287Abstract: A sensing structure and a method of fabricating a sensing structure for a compressive-type pressure sensor. The method comprises the steps of providing an elastic micropatterned substrate defining a plurality of 3-dimensional microstructures, each microstructure comprising a tip portion pointing away from the substrate in a first direction; forming a conductive film on the elastic micropatterned substrate such that the 3-dimensional microstructures are substantially covered by the conductive film; and forming cracks in the conductive film in areas on 3-dimensional microstructures.Type: GrantFiled: February 7, 2020Date of Patent: March 25, 2025Assignee: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong Tee, Haicheng Yao, Weidong Yang, Yu Jun Tan
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Patent number: 12257727Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.Type: GrantFiled: June 15, 2021Date of Patent: March 25, 2025Assignee: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong Tee, Hian Hian See, Brian Lim, Soon Hong Harold Soh, Tasbolat Taunyazov, Weicong Sng, Sheng Yuan Jethro Kuan, Abdul Fatir Ansari
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Publication number: 20240350008Abstract: A system and method for measuring intraocular pressure (IOP) of the eye. The method 5 comprises the steps of touching the eyelid with a pressure sensor array; obtaining a spatiotemporal representation of pressure sensor stimulation of the pressure sensor array while touching the eyelid with the pressure sensor array; and applying a machine learning model to classify the spatiotemporal representation into an IOP value.Type: ApplicationFiled: August 22, 2022Publication date: October 24, 2024Applicants: NATIONAL UNIVERSITY OF SINGAPORE, NATIONAL UNIVERSITY HOSPITAL (SINGAPORE) PTE LTDInventors: Chee Keong TEE, Kelu YU, Si LI, Victor KOH, Kwok Hung LEE
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Patent number: 12120814Abstract: A stretchable interconnect structure for electrically connecting electronic devices and a method of fabricating a stretchable interconnect structure for electrically connecting electronic devices. The method comprises the steps of providing an electrically conductive wire having a 3-dimensional helical form; and embedding the electrically conductive wire in a substrate made from an elastic material.Type: GrantFiled: January 16, 2020Date of Patent: October 15, 2024Assignee: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong Tee, Yue Zhao, Yu Jun Tan
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Patent number: 12091538Abstract: A dielectric material, to a device comprising the dielectric material and to use of the dielectric material in the fabrication of a device. One dielectric material may comprise a halogen-based elastomer mixed with a halogen based surfactant and exhibiting electro-mechanical self-healing properties and/or an increased dielectric constant compared to the halogen-based elastomer. Another dielectric material may comprise a halogen-based polymer mixed with a halogen based surfactant and exhibiting an increased dielectric constant compared to the halogen-based polymer.Type: GrantFiled: May 31, 2019Date of Patent: September 17, 2024Assignee: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong Tee, Yu Jun Tan
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Patent number: 12015197Abstract: There is provided a metamaterial textile for providing wireless sensor network and method of designing such. The metamaterial textile comprising a sheet of metamaterial textile cut into a comb shape comprising long base with a plurality of metamaterial textile teeth extending along and from the base, wherein a gap is present between every two adjacent teeth, whereby, the metamaterial textile is configured to enable propagation of radio-surface plasmons wave along the metamaterial textile for providing wireless sensor network. The metamaterial textile is configured to control the height of the radio-surface plasmons wave by changing number of the metamaterial textile teeth, and changing dimensions of the metamaterial textile teeth and changing dimensions of the gaps.Type: GrantFiled: October 17, 2019Date of Patent: June 18, 2024Assignee: NATIONAL UNIVERSITY OF SINGAPOREInventors: John Ho, Chee Keong Tee, Xi Tian, Pui Mun Lee
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Publication number: 20240159610Abstract: A system for generating an electrical signal responsive to a pressure input, a sensory system, and a method for generating an electrical signal responsive to a pressure input. The system comprises a diaphragm configured to be subjected to the pressure input; a microfluidic channel with a first end thereof coupled to the diaphragm such that the pressure input generates a corresponding pressure change in the microfluidic channel; one or more magnets disposed in a carrier liquid in the microfluidic channel; and one or more coils disposed along the microfluidic channel and for generating the electrical signal based on Faraday effect by the magnets moving, under the pressure change in the microfluidic channel, through the respective coils.Type: ApplicationFiled: March 25, 2022Publication date: May 16, 2024Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Hian Hian SEE, Si LI, Aeree KIM
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Patent number: 11918191Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.Type: GrantFiled: May 17, 2022Date of Patent: March 5, 2024Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.Inventors: Prusothman Sina Raja, Chee Keong Tee, Vivek Murali, Zongyuan Xu, Shruthi Pandi Chelvam
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Publication number: 20230330859Abstract: A classifying sensing system, a classifying method performed using a sensing system, a tactile sensor, and a method of fabricating a tactile sensor. The classifying sensing system comprises a first spiking neural network, SNN, encoder configured for encoding an event-based output of a vision sensor into individual vision modality spiking representations with a first output size; a second SNN encoder configured for encoding an event-based output of a tactile sensor into individual tactile modality spiking representations with a second output size; a combination layer configured for merging the vision modality spiking representations and the tactile modality spiking representations; and a task SNN configured to receive the merged vision modality spiking representations and tactile modality spiking representations and output vision-tactile modality spiking representations with a third output size for classification.Type: ApplicationFiled: June 15, 2021Publication date: October 19, 2023Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Hian Hian SEE, Brian LIM, Soon Hong Harold SOH, Tasbolat TAUNYAZOV, Weicong SNG, Sheng Yuan Jethro KUAN, Abdul Fatir ANSARI
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Publication number: 20230277219Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.Type: ApplicationFiled: April 19, 2023Publication date: September 7, 2023Applicant: Hannah Life Technologies PTE, Ltd.Inventors: Prusothman M. SINA RAJA, Chee Keong TEE, Zongyuan XU, Qi TAN, Chelsea NISBAN, Ziyue LU, Kelli Zhao Rong CHAN
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Publication number: 20230277218Abstract: Disclosed are fluid controllers configured for removable attachment to a fluid introduction device, wherein the fluid controller comprises a body configured to extend at least partially over the fluid introduction device; an orifice arranged relative to the body to facilitate transfer of a fluid from the fluid introduction device through the fluid controller; a fluid retention structure extending outwardly from at least a portion of the body, wherein the fluid retention structure is configured to engage with a wall of a vaginal canal and inhibit a flow of the fluid from the vaginal canal; and at least one connector configured to releasably attach the fluid controller to the fluid introduction device.Type: ApplicationFiled: December 5, 2022Publication date: September 7, 2023Applicant: Hannah Life Technologies PTE, Ltd.Inventors: Prusothman M. SINA RAJA, Chee Keong TEE, Zongyuan XU, Qi TAN, Chelsea NISBAN, Ziyue LU, Kelli Zhao Rong CHAN
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Publication number: 20230048673Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.Type: ApplicationFiled: May 17, 2022Publication date: February 16, 2023Applicant: Hannah Life Technologies PTE, Ltd.Inventors: Prusothman SINA RAJA, Chee Keong TEE, Vivek MURALI, Zongyuan KU, Shruthi PANDI CHELVAM
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Patent number: 11474601Abstract: In a described embodiment, a sensor-based communication apparatus (100) is disclosed. The communication apparatus (100) comprises a plurality of sensor nodes (112) associated with respective unique pulse signatures (200) and adapted to communicate with respective sensors (113) with each sensor (113) configured to generate a sensory signal (113a) in response to a respective stimulus (113b). Each sensor node (112) is triggered, upon receipt of the corresponding sensory signal (113a), to transmit the associated unique pulse signature (200) independently and asynchronously through a transmission medium (110) shared by the sensor nodes (112), and the unique pulse signatures (200) transmitted by the sensor nodes (112) being a representation (300) of a stimulus event associated with the stimuli detected by the corresponding sensors (113). A method and a communication medium are also disclosed.Type: GrantFiled: December 3, 2018Date of Patent: October 18, 2022Assignee: National University of SingaporeInventors: Chee Keong Tee, Wang Wei Lee, Kian Ann Ng, John Ho
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Publication number: 20220325089Abstract: A dielectric material, to a device comprising the dielectric material and to use of the dielectric material in the fabrication of a device. One dielectric material may comprise a halogen-based elastomer mixed with a halogen based surfactant and exhibiting electro-mechanical self-healing properties and/or an increased dielectric constant compared to the halogen-based elastomer. Another dielectric material may comprise a halogen-based polymer mixed with a halogen based surfactant and exhibiting an increased dielectric constant compared to the halogen-based polymer.Type: ApplicationFiled: May 31, 2019Publication date: October 13, 2022Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Yu Jun TAN
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Publication number: 20220299385Abstract: A composite structure for a pressure sensor, a pressure sensor, a method of pressure sensing using the pressure sensor, and a method of fabricating a composite structure for a pressure sensor. The method of fabricating a composite structure for a pressure sensor comprises the steps of forming an array of microstructures made from an elastomeric material; and forming a flexible conductive coating on the array of microstructures such that a surface morphology of microstructures is substantially maintained for the coated array of the microstructures; wherein the conductive coating exhibits a Young's modulus that is higher than that of the elastomeric material.Type: ApplicationFiled: June 10, 2020Publication date: September 22, 2022Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Haicheng YAO, Pengju LI, Wen CHENG
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Patent number: 11357481Abstract: A conception aid for assisting in natural conception may include a platform configured for placement in a vaginal canal, wherein the platform comprises one or more capturing elements configured to collect semen. A method of aiding conception may include providing a conception aid device including one or more capturing elements, collecting semen with the one or more capturing elements wherein the one or more capturing elements is configured to contain the collected semen on the device, and positioning the device in a vaginal canal.Type: GrantFiled: September 18, 2020Date of Patent: June 14, 2022Assignee: HANNAH LIFE TECHNOLOGIES PTE, LTD.Inventors: Prusothman M. Sina Raja, Chee Keong Tee, Vivek Murali, Zongyuan Xu, Shruthi Pandi Chelvam
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Publication number: 20220128420Abstract: A sensing structure and a method of fabricating a sensing structure for a compressive-type pressure sensor. The method comprises the steps of providing an elastic micropatterned substrate defining a plurality of 3-dimensional microstructures, each microstructure comprising a tip portion pointing away from the substrate in a first direction; forming a conductive film on the elastic micropatterned substrate such that the 3-dimensional microstructures are substantially covered by the conductive film; and forming cracks in the conductive film in areas on 3-dimensional microstructures.Type: ApplicationFiled: February 7, 2020Publication date: April 28, 2022Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Haicheng YAO, Weidong YANG, Yu Jun TAN
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Publication number: 20220117082Abstract: A stretchable interconnect structure for electrically connecting electronic devices and a method of fabricating a stretchable interconnect structure for electrically connecting electronic devices. The method comprises the steps of providing an electrically conductive wire having a 3-dimensional helical form; and embedding the electrically conductive wire in a substrate made from an elastic material.Type: ApplicationFiled: January 16, 2020Publication date: April 14, 2022Applicant: NATIONAL UNIVERSITY OF SINGAPOREInventors: Chee Keong TEE, Yue ZHAO, Yu Jun TAN