Patents by Inventor Nam Le
Nam Le 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: 20240125927Abstract: Systems and methods for network-based ultrasound imaging are provided, which can include a number of features. In some embodiments, an ultrasound imaging system images an object with three-dimensional unfocused pings and obtains digital sample sets from a plurality of receiver elements. A sub-set of the digital sample sets can be electronically transferred to a remote server, where the sub-set can be beamformed to produce a series of two-dimensional image frames. A video stream made up of the series of two-dimensional images frames can then be transferred from the remote server to a display device.Type: ApplicationFiled: June 7, 2023Publication date: April 18, 2024Inventors: Josef R. CALL, Henry A. DAVIS, David M. SMITH, David J. SPECHT, Viet Nam LE, Lang J. MCHARDY, Joseph James DIGIOVANNI, II, Nathan W. OSBORN, Bruce R. RITZI
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Publication number: 20240081787Abstract: A method of full-field or “ping-based” Doppler ultrasound imaging allows for detection of Doppler signals indicating moving reflectors at any point in an imaging field without the need to predefine range gates. In various embodiments, such whole-field Doppler imaging methods may include transmitting a Doppler ping from a transmit aperture, receiving echoes of the Doppler ping with one or more separate receive apertures, detecting Doppler signals and determining the speed of moving reflectors. In some embodiments, the system also provides the ability to determine the direction of motion by solving a set of simultaneous equations based on echo data received by multiple receive apertures.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Donald F. SPECHT, Kenneth D. BREWER, David M. SMITH, Josef R. CALL, Viet Nam LE, Bruce R. RITZI
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Publication number: 20240013046Abstract: A method is provided for computing predetermined loss terms based on original data and decoded data; training one or more neural networks of a system by using the predetermined loss terms; updating weights for one or more of other loss terms; and determining trade-offs between predetermined objectives of the system. Corresponding apparatuses and computer program products are also provided.Type: ApplicationFiled: September 2, 2021Publication date: January 11, 2024Inventors: Nam LE, Francesco CRICRÌ, Honglei ZHANG, Hamed REZAZADEGAN TAVAKOLI, Ramin GHAZNAVI YOUVALARI
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Patent number: 11826204Abstract: A method of full-field or “ping-based” Doppler ultrasound imaging allows for detection of Doppler signals indicating moving reflectors at any point in an imaging field without the need to predefine range gates. In various embodiments, such whole-field Doppler imaging methods may include transmitting a Doppler ping from a transmit aperture, receiving echoes of the Doppler ping with one or more separate receive apertures, detecting Doppler signals and determining the speed of moving reflectors. In some embodiments, the system also provides the ability to determine the direction of motion by solving a set of simultaneous equations based on echo data received by multiple receive apertures.Type: GrantFiled: March 11, 2019Date of Patent: November 28, 2023Assignee: MAUI IMAGING, INC.Inventors: Donald F. Specht, Kenneth D. Brewer, David M. Smith, Josef R. Call, Viet Nam Le, Bruce R. Ritzi
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Publication number: 20230277158Abstract: A multiple aperture ultrasound imaging system may be configured to store raw, un-beamformed echo data. Stored echo data may be retrieved and re-beamformed using modified parameters in order to enhance the image or to reveal information that was not visible or not discernible in an original image. Raw echo data may also be transmitted over a network and beamformed by a remote device that is not physically proximate to the probe performing imaging. Such systems may allow physicians or other practitioners to manipulate echo data as though they were imaging the patient directly, even without the patient being present. Many unique diagnostic opportunities are made possible by such systems and methods.Type: ApplicationFiled: May 15, 2023Publication date: September 7, 2023Inventors: Josef R. CALL, Kenneth D. BREWER, Viet Nam LE, Matthew OUELLETTE, Mathias BLAKE
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Patent number: 11709265Abstract: Systems and methods for network-based ultrasound imaging are provided, which can include a number of features. In some embodiments, an ultrasound imaging system images an object with three-dimensional unfocused pings and obtains digital sample sets from a plurality of receiver elements. A sub-set of the digital sample sets can be electronically transferred to a remote server, where the sub-set can be beamformed to produce a series of two-dimensional image frames. A video stream made up of the series of two-dimensional images frames can then be transferred from the remote server to a display device.Type: GrantFiled: May 25, 2021Date of Patent: July 25, 2023Assignee: Maui Imaging, Inc.Inventors: Josef R. Call, Henry A. Davis, David M. Smith, David J. Specht, Viet Nam Le, Lang J. McHardy, Joseph James Digiovanni, II, Nathan W. Osborn, Bruce R. Ritzi
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Patent number: 11678861Abstract: A multiple aperture ultrasound imaging system may be configured to store raw, un-beamformed echo data. Stored echo data may be retrieved and re-beamformed using modified parameters in order to enhance the image or to reveal information that was not visible or not discernible in an original image. Raw echo data may also be transmitted over a network and beamformed by a remote device that is not physically proximate to the probe performing imaging. Such systems may allow physicians or other practitioners to manipulate echo data as though they were imaging the patient directly, even without the patient being present. Many unique diagnostic opportunities are made possible by such systems and methods.Type: GrantFiled: June 29, 2020Date of Patent: June 20, 2023Assignee: Maui Imaging, Inc.Inventors: Josef R. Call, Kenneth D. Brewer, Viet Nam Le, Matthew Ouellette, Mathias Blake
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Patent number: 11575938Abstract: Data may be encoded to minimize distortion after decoding, but the quality required for presentation of the decoded data to a machine and the quality required for presentation to a human may be different. To accommodate different quality requirements, video data may be encoded to produce a first set of encoded data and a second set of encoded data, where the first set may be decoded for use by one of a machine consumer or a human consumer, and a combination of the first set and the second set may be decoded for use by the other of a machine consumer or a human consumer. The first and second set may be produced with a neural encoder and a neural decoder, and/or may be produced with the use of prediction and transform neural network modules. A human-targeted structure and a machine-targeted structure may produce the sets of encoded data.Type: GrantFiled: December 30, 2020Date of Patent: February 7, 2023Assignee: Nokia Technologies OyInventors: Hamed Rezazadegan Tavakoli, Francesco Cricri, Miska Matias Hannuksela, Emre Baris Aksu, Honglei Zhang, Nam Le
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Patent number: 11546337Abstract: Described herein are method and apparatus for servicing software components of nodes of a cluster storage system. During data-access sessions with clients, client IDs and file handles for accessing files are produced and stored to clients and stored (as session data) to each node. A serviced node is taken offline, whereby network connections to clients are disconnected. Each disconnected client is configured to retain its client ID and file handles and attempt reconnections. Session data of the serviced node is made available to a partner node (by transferring session data to the partner node). After clients have reconnected to the partner node, the clients may use the retained client IDs and file handles to continue a data-access session with the partner node since the partner node has access to the session data of the serviced node and thus will recognize and accept the retained client ID and file handles.Type: GrantFiled: June 21, 2019Date of Patent: January 3, 2023Assignee: NetApp, Inc.Inventors: Nam Le, Paul Yuedong Mu, John Russell Boyles, John Eric Hoffman
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Patent number: 11375204Abstract: An apparatus includes at least one processor; and at least one non-transitory memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: decode encoded data to generate decoded data, the encoded data having a bitrate lower than that of original data, and extract features from the decoded data; decode encoded residual features to generate decoded residual features; and generate enhanced decoded features as a result of combining the decoded residual features with the features extracted from the decoded data.Type: GrantFiled: March 31, 2021Date of Patent: June 28, 2022Assignee: Nokia Technologies OyInventors: Honglei Zhang, Hamed Rezazadegan Tavakoli, Francesco Cricri, Miska Matias Hannuksela, Emre Aksu, Nam Le
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Patent number: 11290545Abstract: Described herein are method and apparatus for servicing software components of nodes of a cluster storage system. During data-access sessions with clients, client IDs and file handles for accessing files are produced and stored to clients and stored (as session data) to each node. A serviced node is taken offline, whereby network connections to clients are disconnected. Each disconnected client is configured to retain its client ID and file handles and attempt reconnections. Session data of the serviced node is made available to a partner node (by transferring session data to the partner node). After clients have reconnected to the partner node, the clients may use the retained client IDs and file handles to continue a data-access session with the partner node since the partner node has access to the session data of the serviced node and thus will recognize and accept the retained client ID and file handles.Type: GrantFiled: May 12, 2020Date of Patent: March 29, 2022Assignee: NetApp, Inc.Inventors: Paul Yuedong Mu, Nam Le, John Hoffmann, John Boyles
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Publication number: 20210314573Abstract: An apparatus includes at least one processor; and at least one non-transitory memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: decode encoded data to generate decoded data, the encoded data having a bitrate lower than that of original data, and extract features from the decoded data; decode encoded residual features to generate decoded residual features; and generate enhanced decoded features as a result of combining the decoded residual features with the features extracted from the decoded data.Type: ApplicationFiled: March 31, 2021Publication date: October 7, 2021Inventors: Honglei Zhang, Hamed Rezazadegan Tavakoli, Francesco Cricri, Miska Matias Hannuksela, Emre Aksu, Nam Le
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Publication number: 20210278531Abstract: Systems and methods for network-based ultrasound imaging are provided, which can include a number of features. In some embodiments, an ultrasound imaging system images an object with three-dimensional unfocused pings and obtains digital sample sets from a plurality of receiver elements. A sub-set of the digital sample sets can be electronically transferred to a remote server, where the sub-set can be beamformed to produce a series of two-dimensional image frames. A video stream made up of the series of two-dimensional images frames can then be transferred from the remote server to a display device.Type: ApplicationFiled: May 25, 2021Publication date: September 9, 2021Inventors: Josef R. CALL, Henry A. DAVIS, David M. SMITH, David J. SPECHT, Viet Nam LE, Lang J. McHARDY, Joseph James DIGIOVANNI, II, Nathan W. OSBORN, Bruce R. RITZI
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Publication number: 20210218997Abstract: Data may be encoded to minimize distortion after decoding, but the quality required for presentation of the decoded data to a machine and the quality required for presentation to a human may be different. To accommodate different quality requirements, video data may be encoded to produce a first set of encoded data and a second set of encoded data, where the first set may be decoded for use by one of a machine consumer or a human consumer, and a combination of the first set and the second set may be decoded for use by the other of a machine consumer or a human consumer. The first and second set may be produced with a neural encoder and a neural decoder, and/or may be produced with the use of prediction and transform neural network modules. A human-targeted structure and a machine-targeted structure may produce the sets of encoded data.Type: ApplicationFiled: December 30, 2020Publication date: July 15, 2021Inventors: Hamed Rezazadegan Tavakoli, Francesco Cricri, Miska Matias Hannuksela, Emre Baris Aksu, Honglei Zhang, Nam Le
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Patent number: 11059708Abstract: A grapple for mounting to a boom of a boom crane includes a body member for mounting to the end of a boom of a boom crane including a first wing member and a second wing member and opposing first and second jaw members. Each jaw is hingably coupled to the body member, and hinges with respect to the body member by the action of a hydraulic cylinder. A first end of the hydraulic cylinder is coupled to the jaw member and a second end of the hydraulic cylinder is coupled to a portion of one of the wing members. The first and second wing members extend to position the second end of each hydraulic cylinder rearward of an end of the boom of the boom crane or a coupling between the body member and the boom of the boom crane.Type: GrantFiled: October 8, 2018Date of Patent: July 13, 2021Assignee: S E C Engineering and Design LimitedInventors: Grant Dyson Colbran, Murray Graeme Wright, Huu Nam Le
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Patent number: 11016191Abstract: Systems and methods for network-based ultrasound imaging are provided, which can include a number of features. In some embodiments, an ultrasound imaging system images an object with three-dimensional unfocused pings and obtains digital sample sets from a plurality of receiver elements. A sub-set of the digital sample sets can be electronically transferred to a remote server, where the sub-set can be beamformed to produce a series of two-dimensional image frames. A video stream made up of the series of two-dimensional images frames can then be transferred from the remote server to a display device.Type: GrantFiled: September 3, 2019Date of Patent: May 25, 2021Assignee: MAUI IMAGING, INC.Inventors: Josef R. Call, Henry A. Davis, David M. Smith, David J. Specht, Viet Nam Le, Lang J. McHardy, Joseph James Digiovanni, II, Nathan W. Osborn, Bruce R. Ritzi
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Patent number: 10992240Abstract: A power conversion device which reduces switching losses and stabilizes the output power. A switching-mode changer generates a reference signal for switching a mode of operation of the full-bridge circuit to a first switching mode or a second switching mode. In the first switching mode, an upper arm and a lower arm are switched synchronously, and a lower arm and an upper arm are non-conducting. In the second switching mode, the lower arm and the upper arm are switched synchronously, and the upper arm and the lower arm are non-conducting. The switching-mode changer adjusts the phase of the reference signal so that the reactive power is reduced.Type: GrantFiled: September 20, 2018Date of Patent: April 27, 2021Assignees: Mitsubishi Electric Corporation, National University Corporation Nagaoka University of TechnologyInventors: Yu Kawai, Tatsuya Okuda, Jun-ichi Itoh, Hoai Nam Le
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Publication number: 20200331736Abstract: A grapple for mounting to a boom of a boom crane includes a body member for mounting to the end of a boom of a boom crane including a first wing member and a second wing member and opposing first and second jaw members. Each jaw is hingably coupled to the body member, and hinges with respect to the body member by the action of a hydraulic cylinder. A first end of the hydraulic cylinder is coupled to the jaw member and a second end of the hydraulic cylinder is coupled to a portion of one of the wing members. The first and second wing members extend to position the second end of each hydraulic cylinder rearward of an end of the boom of the boom crane or a coupling between the body member and the boom of the boom crane.Type: ApplicationFiled: October 8, 2018Publication date: October 22, 2020Inventors: Grant Dyson Colbran, Murray Graeme Wright, Huu Nam Le
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Publication number: 20200323513Abstract: A multiple aperture ultrasound imaging system may be configured to store raw, un-beamformed echo data. Stored echo data may be retrieved and re-beamformed using modified parameters in order to enhance the image or to reveal information that was not visible or not discernible in an original image. Raw echo data may also be transmitted over a network and beamformed by a remote device that is not physically proximate to the probe performing imaging. Such systems may allow physicians or other practitioners to manipulate echo data as though they were imaging the patient directly, even without the patient being present. Many unique diagnostic opportunities are made possible by such systems and methods.Type: ApplicationFiled: June 29, 2020Publication date: October 15, 2020Inventors: Josef R. CALL, Kenneth D. BREWER, Viet Nam LE, Matthew OUELLETTE, Mathias BLAKE
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Publication number: 20200295674Abstract: A power conversion device which reduces switching losses and stabilizes the output power. A switching-mode changer generates a reference signal for switching a mode of operation of the full-bridge circuit to a first switching mode or a second switching mode. In the first switching mode, an upper arm and a lower arm are switched synchronously, and a lower arm and an upper arm are non-conducting. In the second switching mode, the lower arm and the upper arm are switched synchronously, and the upper arm and the lower arm are non-conducting. The switching-mode changer adjusts the phase of the reference signal so that the reactive power is reduced.Type: ApplicationFiled: September 20, 2018Publication date: September 17, 2020Applicants: Mitsubishi Electric Corporation, National University Corporation Nagaoka University of TechnologyInventors: Yu KAWAI, Tatsuya OKUDA, Jun-ichi ITOH, Hoai Nam LE