Patents by Inventor Matthew Rosa
Matthew Rosa 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: 20220212263Abstract: To improve the operation of 3D printing systems, techniques are disclosed for a rotary 3D printer comprising: a main rotating support table rotating about a first axis and one or more secondary support tables rotating around a non-coaxial secondary axis; a powder supply assembly for distributing powder onto the tables; and an energy system for directing an energy beam at the powder to form a part. The main support table and secondary support tables can rotate in the same or opposite directions. Disclosed techniques include: grooved support table surfaces for improving stability of applied powder; reciprocating bellows for controlling a differential load on actuators that move the support tables; high temperature bearings or bushings for supporting rotary motion at high temperatures; and a mechanism for counterbalancing a weight of the part being built.Type: ApplicationFiled: July 1, 2020Publication date: July 7, 2022Applicant: Nikon CorporationInventors: Alton Hugh Phillips, Patrick Shih Chang, Michael Birk Binnard, Matthew Rosa, Serhad Ketsamanian, Lexian Guo, Brett William Herr, Eric Peter Goodwin, Johnathan Agustin Marquez, Matthew Parker-McCormick Bjork, Paul Derek Coon, Motofusa Ishikawa
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Patent number: 10884344Abstract: A stage assembly for positioning a device along a first axis, the stage assembly comprising: a base; a stage that retains the device and moves above the base; a mover assembly that moves the stage along the first axis relative to the base; a first sensor system that monitors the movement of the stage along the first axis, the first sensor system generating a first signal, the first sensor system having a first sensor accuracy; a second sensor system that monitors the movement of the stage along the first axis, the second sensor system having a second sensor accuracy that is different from the first sensor accuracy of the first sensor system, the second sensor generating a second signal; and a control system that controls the mover assembly using at least one of the first sensor and the second signal.Type: GrantFiled: August 4, 2017Date of Patent: January 5, 2021Inventors: Paul Derek Coon, Jonathan K. Wells, Matthew Rosa, Michael Binnard
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Patent number: 10451982Abstract: An actuator assembly (16) for moving a device (22) includes a stator component (30), a mover component (32), a measurement system (18), and a signal processor (20). The measurement system (18) includes (i) a magnet assembly (244) that is coupled to and moves with the mover component (32); and (ii) a plurality of spaced apart sensors (246A). The magnet assembly (244) produces a magnetic field (244B) that moves relative to the stator component (30) as the mover component (32) moves along a mover axis (32C). Each sensor (246A) is a transducer that generates a sensor signal that varies its output voltage in response to the changing magnetic field (244B) from the magnet assembly (244) as the mover component (32) is moved relative to the sensors (246A). The signal processor (20) receives the sensor signals and estimates a position of the mover component (32) along the mover axis (32C) based at least in part on the sensor signals.Type: GrantFiled: March 16, 2018Date of Patent: October 22, 2019Assignee: NIKON RESEARCH CORPORATION OF AMERICAInventors: Patrick Chang, Michel Pharand, Matthew Rosa, Jonathan K. Wells, Pedro Reynoso-Mora
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Patent number: 10353209Abstract: Optical assembly containing a) at least two pairs of dichroic beamsplitting elements grouped together such that first sides of these elements are parallel and immediately adjacent to one another and to a predetermined line, and b) two optical lenses disposed such that light transmitted through the lenses towards the beamsplitting element passes through the elements without being scattered at the first sides. Optionally, a first dichroic beamsplitting element in a first pair and a first dichroic element in a second pair have equal optical properties. Imaging probe—for example, a laparoscope—employing such optical assembly.Type: GrantFiled: April 15, 2016Date of Patent: July 16, 2019Assignee: NIKON CORPORATIONInventor: Matthew Rosa
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Publication number: 20180205305Abstract: An actuator assembly (16) for moving a device (22) includes a stator component (30), a mover component (32), a measurement system (18), and a signal processor (20). The measurement system (18) includes (i) a magnet assembly (244) that is coupled to and moves with the mover component (32); and (ii) a plurality of spaced apart sensors (246A). The magnet assembly (244) produces a magnetic field (244B) that moves relative to the stator component (30) as the mover component (32) moves along a mover axis (32C). Each sensor (246A) is a transducer that generates a sensor signal that varies its output voltage in response to the changing magnetic field (244B) from the magnet assembly (244) as the mover component (32) is moved relative to the sensors (246A). The signal processor (20) receives the sensor signals and estimates a position of the mover component (32) along the mover axis (32C) based at least in part on the sensor signals.Type: ApplicationFiled: March 16, 2018Publication date: July 19, 2018Inventors: Patrick Chang, Michel Pharand, Matthew Rosa, J. Kyle Wells, Pedro Reynoso-Mora
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Publication number: 20170329236Abstract: A stage assembly for positioning a device along a first axis, the stage assembly comprising: a base; a stage that retains the device and moves above the base; a mover assembly that moves the stage along the first axis relative to the base; a first sensor system that monitors the movement of the stage along the first axis, the first sensor system generating a first signal, the first sensor system having a first sensor accuracy; a second sensor system that monitors the movement of the stage along the first axis, the second sensor system having a second sensor accuracy that is different from the first sensor accuracy of the first sensor system, the second sensor generating a second signal; and a control system that controls the mover assembly using at least one of the first sensor and the second signal.Type: ApplicationFiled: August 4, 2017Publication date: November 16, 2017Inventors: Paul Derek Coon, Jonathan K. Wells, Matthew Rosa, Michael Binnard
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Patent number: 9726987Abstract: A stage assembly for positioning a device along a first axis, the stage assembly comprising: a base; a stage that retains the device and moves above the base; a mover assembly that moves the stage along the first axis relative to the base; a first sensor system that monitors the movement of the stage along the first axis, the first sensor system generating a first signal, the first sensor system having a first sensor accuracy; a second sensor system that monitors the movement of the stage along the first axis, the second sensor system having a second sensor accuracy that is different from the first sensor accuracy of the first sensor system, the second sensor generating a second signal; and a control system that controls the mover assembly using at least one of the first sensor and the second signal.Type: GrantFiled: April 17, 2015Date of Patent: August 8, 2017Assignee: Nikon CorporationInventors: Paul Derek Coon, Jonathan K. Wells, Matthew Rosa, Michael Binnard
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Publication number: 20160306180Abstract: Optical assembly containing a) at least two pairs of dichroic beamsplitting elements grouped together such that first sides of these elements are parallel and immediately adjacent to one another and to a predetermined line, and b) two optical lenses disposed such that light transmitted through the lenses towards the beamsplitting element passes through the elements without being scattered at the first sides. Optionally, a first dichroic beamsplitting element in a first pair and a first dichroic element in a second pair have equal optical properties. Imaging probe—for example, a laparoscope—employing such optical assembly.Type: ApplicationFiled: April 15, 2016Publication date: October 20, 2016Inventor: Matthew Rosa
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Patent number: 9351855Abstract: A powered lower extremity orthotic, including a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link, is controlled by based on signals from various orthotic mounted sensors such that the artificial foot follows a predetermined trajectory defined by at least one Cartesian coordinate.Type: GrantFiled: May 24, 2012Date of Patent: May 31, 2016Assignees: Ekso Bionics, Inc., The Regents of the University of CaliforniaInventors: Tim Swift, Adam Brian Zoss, Katherine Strausser, Matthew Rosa, Dylan Miller Fairbanks, Minerva Vasudevan Pillai, Miclas Schwartz, Bram Gilbert Antoon Lambrecht, Sebastian Kruse
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Publication number: 20150301459Abstract: A stage assembly for positioning a device along a first axis, the stage assembly comprising: a base; a stage that retains the device and moves above the base; a mover assembly that moves the stage along the first axis relative to the base; a first sensor system that monitors the movement of the stage along the first axis, the first sensor system generating a first signal, the first sensor system having a first sensor accuracy; a second sensor system that monitors the movement of the stage along the first axis, the second sensor system having a second sensor accuracy that is different from the first sensor accuracy of the first sensor system, the second sensor generating a second signal; and a control system that controls the mover assembly using at least one of the first sensor and the second signal.Type: ApplicationFiled: April 17, 2015Publication date: October 22, 2015Inventors: Paul Derek Coon, Jonathan K. Wells, Matthew Rosa, MIchael Binnard
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Publication number: 20150098074Abstract: A stage assembly that moves a device includes a stage that retains the device, a stage mover that moves the stage, a measurement system that provides a measurement signal that relates to the position or movement of the stage, and a control system that control the stage mover. The control system can use an estimator to estimate the position of the stage in the event the measurement signal is lost. Alternatively, the control system can be used to urge the stage against a base assembly when the measurement signal is lost to inhibit the movement of the stage.Type: ApplicationFiled: October 9, 2014Publication date: April 9, 2015Inventors: Matthew Rosa, Michael Binnard, Chetan Mahadeswaraswamy, W. Thomas Novak
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Publication number: 20130150980Abstract: A powered lower extremity orthotic, including a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link, is controlled by based on signals from various orthotic mounted sensors such that the artificial foot follows a predetermined trajectory defined by at least one Cartesian coordinate.Type: ApplicationFiled: May 24, 2012Publication date: June 13, 2013Applicants: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, BERKELEY BIONICSInventors: Tim Swift, Adam Brian Zoss, Katherine Strausser, Matthew Rosa, Homayoon Kazerooni, Dylan Miller Fairbanks, Minerva Vasudevan Pillai, Miclas Schwartz, Bram Gilbert Antoon Lambrecht, Sebastian Kruze
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Patent number: 8231688Abstract: A semi-actuated above knee prosthetic system, which is mostly passive in nature and includes a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link attached to an above-knee remaining lower limb of an amputee, is operable in either an actuated mode or an un-actuated mode controlled by a signal processor linked to various prosthetic mounted sensors which may include combinations of knee angle, stance, thigh angle and shank angle sensors. Power is delivered through an electric motor connected to a battery source and employed to drive a hydraulic pump which is part of an overall hydraulic power unit including the torque generator. A signal processor selects a swing state from at least forward, combination forward and descent, combination forward and ascent, reverse, combination reverse and descent, and combination reverse and ascent swing states.Type: GrantFiled: June 16, 2009Date of Patent: July 31, 2012Assignees: Berkeley Bionics, The Regents of the University of CaliforniaInventors: Dylan Miller Fairbanks, Adam Brian Zoss, Minerva Vasudevan Pillai, Miclas Schwartz, Nathan Harding, Matthew Rosa, Bram Gilbert Antoon Lambrecht, Sebastian Kruse, Homayoon Kazerooni
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Publication number: 20100023133Abstract: A semi-actuated above knee prosthetic system, which is mostly passive in nature and includes a shank link coupled to an artificial foot, a knee mechanism connected to the shank link and a thigh link attached to an above-knee remaining lower limb of an amputee, is operable in either an actuated mode or an un-actuated mode controlled by a signal processor linked to various prosthetic mounted sensors. In the actuated mode, power is delivered to a torque generator connected to the knee mechanism to cause a forced movement between the thigh and shank links. In the un-actuated mode, a control circuit operates in a non-powered manner to allow operation of the knee mechanism with modulated resistance. Power is delivered through an electric motor connected to a battery source and employed to drive a hydraulic pump which is part of an overall hydraulic power unit including the torque generator.Type: ApplicationFiled: June 16, 2009Publication date: January 28, 2010Applicants: Berkeley Bionics, The Regents of the University of CaliforniaInventors: Dylan Miller Fairbanks, Adam Brian Zoss, Minerva Vasudevan Pillai, Miclas Schwartz, Nathan Harding, Matthew Rosa, Bram Gilbert Antoon Lambrecht, Sebastian Kruse, Homayoon Kazerooni