Patents by Inventor Alice Chiang
Alice Chiang 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).
-
Publication number: 20240148358Abstract: Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.Type: ApplicationFiled: December 27, 2023Publication date: May 9, 2024Inventors: Alice Chiang, William M. Wong, Noah Berger
-
Patent number: 11857363Abstract: Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.Type: GrantFiled: November 5, 2021Date of Patent: January 2, 2024Assignee: Teratech CorporationInventors: Alice Chiang, William M. Wong, Noah Berger
-
Publication number: 20220125407Abstract: Exemplary embodiments provide systems and methods for portable medical ultrasound imaging. Preferred embodiments utilize a tablet touchscreen display operative to control imaging and display operations without the need for using traditional keyboards or controls. Certain embodiments provide ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field sub array beamforming or includes a sparse array selecting circuit that actuates selected elements. Exemplary embodiments also provide an ultrasound engine circuit board including one or more multi-chip modules, and a portable medical ultrasound imaging system including an ultrasound engine circuit board with one or more multi-chip modules. Exemplary embodiments also provide methods for using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images which can be generated in real-time.Type: ApplicationFiled: November 5, 2021Publication date: April 28, 2022Inventors: Alice Chiang, William M. Wong, Noah Berger
-
Publication number: 20210052256Abstract: A hand-held ultrasound system includes integrated electronics within an ergonomic housing. The electronics includes control circuitry, beamforming and circuitry transducer drive circuitry. The electronics communicate with a host computer using an industry standard high speed serial bus. The ultrasonic imaging system is operable on a standard, commercially available, user computing device without specific hardware modifications, and is adapted to interface with an external application without modification to the ultrasonic imaging system to allow a user to gather ultrasonic data on a standard user computing device such as a PC, and employ the data so gathered via an independent external application without requiring a custom system, expensive hardware modifications, or system rebuilds.Type: ApplicationFiled: July 1, 2020Publication date: February 25, 2021Inventors: Noah Berger, Michael Brodsky, Alice Chiang, Mark Laforest
-
Publication number: 20180310913Abstract: A portable ultrasound imaging system includes a scan head coupled by a cable to a portable battery-powered data processor and display unit. The scan head enclosure houses an array of ultrasonic transducers and the circuitry associated therewith, including pulse synchronizer circuitry used in the transmit mode for transmission of ultrasonic pulses and beam forming circuitry used in the receive mode to dynamically focus reflected ultrasonic signals returning from the region of interest being imaged.Type: ApplicationFiled: June 24, 2013Publication date: November 1, 2018Applicant: Teratech CorporationInventors: Alice Chiang, Steven R. Broadstone
-
Patent number: 10080544Abstract: The present invention relates to an ultrasound imaging system in which the scan head either includes a beamformer circuit that performs far field subarray beamforming or includes a sparse array selecting circuit that actuates selected elements. When used with second stage beamforming system, three dimensional ultrasound images can be generated.Type: GrantFiled: September 30, 2009Date of Patent: September 25, 2018Assignee: Teratech CorporationInventors: Alice Chiang, William Wong, Steven Broadstone
-
Publication number: 20170172526Abstract: The present invention relates to x-ray detector systems and methods for imaging of objects. The detector system can include a scintillator mounted to a solid state pixelated detector having a buried channel structure. An electronic shutter can be used to control detector exposure during an imaging procedure.Type: ApplicationFiled: October 28, 2016Publication date: June 22, 2017Inventor: Alice Chiang
-
Publication number: 20170105706Abstract: A hand-held ultrasound system includes integrated electronics within an ergonomic housing. The electronics includes control circuitry, beamforming and circuitry transducer drive circuitry. The electronics communicate with a host computer using an industry standard high speed serial bus. The ultrasonic imaging system is operable on a standard, commercially available, user computing device without specific hardware modifications, and is adapted to interface with an external application without modification to the ultrasonic imaging system to allow a user to gather ultrasonic data on a standard user computing device such as a PC, and employ the data so gathered via an independent external application without requiring a custom system, expensive hardware modifications, or system rebuilds.Type: ApplicationFiled: August 1, 2016Publication date: April 20, 2017Inventors: Noah Berger, Alice Chiang
-
Publication number: 20170020483Abstract: The present invention is directed to an ultrasound imaging system and method for Doppler processing of data. The ultrasonic imaging system efficiently addresses the data computational and processing needs of Doppler processing. In a preferred embodiment, the ultrasound imaging system of the present invention includes a processing module; and memory operable coupled to the processing module, wherein the memory stores operational instructions that cause the processing module to map serial data to vector representation, calculate an auto-correlation function of the data, calculate a phase shift of the auto-correlation function to generate a monotonic function covering all values of the phase shift corresponding to a range of Doppler velocities and display the resultant images, for example, as color images.Type: ApplicationFiled: October 4, 2016Publication date: January 26, 2017Inventors: Xingbai He, Peter P. Chang, Eric R. Kischell, Alice Chiang
-
Patent number: 9427193Abstract: The present invention relates to systems and methods for reducing motion artifacts in x-ray sampling circuits. The detector system output is sampled at a rate than the x-ray exposure rate to reduce blurring associated with motion of the detector and/or object being scanned.Type: GrantFiled: September 5, 2012Date of Patent: August 30, 2016Assignee: Teratech CorporationInventor: Alice Chiang
-
Patent number: 9089304Abstract: An ultrasound imaging system and method in which a transducer assembly in a probe housing in which sub-array beamforming and multiplexing operations are performed in the probe housing. The probe housing can be connected to a processor housing in which a second beamforming operation can be performed to generate images for display. The processor housing can be a handheld ultrasound display device for portable use.Type: GrantFiled: December 13, 2012Date of Patent: July 28, 2015Assignee: Teratech CorporationInventors: Michael Brodsky, Alice Chiang, Xingbai He, William M. Wong
-
Publication number: 20140128740Abstract: A portable ultrasound imaging system includes a scan head coupled by a cable to a portable battery-powered data processor and display unit. The scan head enclosure houses an array of ultrasonic transducers and the circuitry associated therewith, including pulse synchronizer circuitry used in the transmit mode for transmission of ultrasonic pulses and beam forming circuitry used in the receive mode to dynamically focus reflected ultrasonic signals returning from the region of interest being imaged.Type: ApplicationFiled: January 13, 2014Publication date: May 8, 2014Inventors: Alice Chiang, Steven R. Broadstone
-
Publication number: 20130281863Abstract: A portable ultrasound imaging system includes a scan head coupled by a cable to a portable battery-powered data processor and display unit. The scan head enclosure houses an array of ultrasonic transducers and the circuitry associated therewith, including pulse synchronizer circuitry used in the transmit mode for transmission of ultrasonic pulses and beam forming circuitry used in the receive mode to dynamically focus reflected ultrasonic signals returning from the region of interest being imaged.Type: ApplicationFiled: June 24, 2013Publication date: October 24, 2013Inventors: Alice Chiang, Steven R. Broadstone
-
Patent number: 8551000Abstract: The present invention relates to an ultrasound imaging system in which the scan head either includes a beamformer circuit that performs far field subarray beamforming or includes a sparse array selecting circuit that actuates selected elements. When used with second stage beamforming system, three dimensional ultrasound images can be generated.Type: GrantFiled: September 30, 2008Date of Patent: October 8, 2013Assignee: Teratech Corp.Inventors: Alice Chiang, Xingbai He, William Wong, Noah Berger
-
Patent number: 8469893Abstract: A portable ultrasound imaging system includes a scan head coupled by a cable to a portable battery-powered data processor and display unit. The scan head enclosure houses an array of ultrasonic transducers and the circuitry associated therewith, including pulse synchronizer circuitry used in the transmit mode for transmission of ultrasonic pulses and beam forming circuitry used in the receive mode to dynamically focus reflected ultrasonic signals returning from the region of interest being imaged.Type: GrantFiled: January 8, 2008Date of Patent: June 25, 2013Assignee: Teratech Corp.Inventors: Alice Chiang, Steven R. Broadstone
-
Publication number: 20130102902Abstract: The present invention relates to an ultrasound imaging system in which the scan head either includes a beamformer circuit that performs far field subarray beamforming or includes a sparse array selecting circuit that actuates selected elements. When used with second stage beamforming system, three dimensional ultrasound images can be generated.Type: ApplicationFiled: December 13, 2012Publication date: April 25, 2013Inventors: Michael Brodsky, Alice Chiang, Xingbai He, William M. Wong
-
Publication number: 20120328073Abstract: The present invention relates to systems and methods for reducing motion artifacts in x-ray sampling circuits. The detector system output is sampled at a rate than the x-ray exposure rate to reduce blurring associated with motion of the detector and/or object being scanned.Type: ApplicationFiled: September 5, 2012Publication date: December 27, 2012Inventor: Alice Chiang
-
Patent number: 8270564Abstract: The present invention relates to systems and methods for reducing motion artifacts in x-ray imaging systems. The detector system output is sampled at a rate higher than the x-ray exposure rate to reduce blurring associated with motion of the detector and/or object being scanned.Type: GrantFiled: December 1, 2009Date of Patent: September 18, 2012Assignee: Teratech CorporationInventor: Alice Chiang
-
Publication number: 20120179044Abstract: The present invention relates to an ultrasound imaging system in which the scan head includes a beamformer circuit that performs far field subarray beamforming or includes a sparse array selecting circuit that actuates selected elements. When using a hierarchical two-stage or three-stage beamforming system, three dimensional ultrasound images can be generated in real-time. The invention further relates to flexible printed circuit boards in the probe head. The invention furthermore relates to the use of coded or spread spectrum signalling in ultrasound imaging systems. Matched filters based on pulse compression using Golay code pairs improve the signal-to-noise ratio thus enabling third harmonic imaging with suppressed sidelobes. The system is suitable for 3D full volume cardiac imaging.Type: ApplicationFiled: September 30, 2010Publication date: July 12, 2012Inventors: Alice Chiang, William Wong, Steven Broadstone
-
Publication number: 20100135455Abstract: The present invention relates to systems and methods for reducing motion artifacts in x-ray imaging systems. The detector system output is sampled at a rate than the x-ray exposure rate to reduce blurring associated with motion of the detector and/or object being scanned.Type: ApplicationFiled: December 1, 2009Publication date: June 3, 2010Inventor: Alice Chiang