Patents by Inventor Timothy L. Johnson
Timothy L. Johnson 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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Patent number: 11179075Abstract: A system includes a sensor, a second connector, a local processor, a first telemetry module, a second telemetry module, and a remote processor. The sensor is coupled to a cord and the cord has a first connector. The second connector is coupled to a housing. The second connector is configured to mate with the first connector. The local processor is coupled to the second connector and disposed in the housing. The local processor is configured to execute instructions stored in a local memory. The local memory is disposed in the housing. The local processor is configured to generate calculated data based on a signal received at the second connector. The signal corresponds to a parameter measured by the sensor. The first telemetry module is coupled to the local processor and is configured to wirelessly communicate the calculated data. The second telemetry module is configured to communicate with the first telemetry module. The remote processor is coupled to the second telemetry module.Type: GrantFiled: November 18, 2013Date of Patent: November 23, 2021Assignee: Nonin Medical, Inc.Inventors: David A. Meyer, Timothy L. Johnson, Bryant Austin Jones
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Patent number: 10973417Abstract: A method includes affixing a co-planar sensor on a surface, using a processor, and providing an output. The method includes affixing a co-planar sensor on a surface at a first tissue site. The sensor has a force transducer disposed at an aperture of a rigid guard member. The guard member and the transducer are in co-planar alignment. The transducer is configured to provide an electrical signal corresponding to an internal pressure at the first tissue site. The method includes using the processor to compare the internal pressure with a reference value. Based on the comparison, the method includes providing an output corresponding to compartment syndrome at the first tissue site.Type: GrantFiled: June 5, 2015Date of Patent: April 13, 2021Assignee: Nonin Medical, Inc.Inventors: Gregory J. Rausch, Timothy L. Johnson, Matthew Prior
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Patent number: 10709368Abstract: A system includes a mobile computing device, a sleeve, a contact surface, a sensor module, and a telemetry module. The mobile computing device has a first processor within a housing. The sleeve has an internal surface configured to fit the housing. The contact surface is disposed on an external surface of the sleeve. The sensor module is coupled to the contact surface and is configured to generate an electrical signal corresponding to a measured physiological parameter associated with tissue at the contact surface. The telemetry module is coupled to the sensor module and is configured to communicate data corresponding to the electrical signal to the mobile computing device.Type: GrantFiled: January 16, 2018Date of Patent: July 14, 2020Assignee: Nonin Medical, Inc.Inventors: Timothy L. Johnson, Bryant Austin Jones, Christopher Holland
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Patent number: 10188329Abstract: A handheld device includes a contact surface, an optical module, a processor, a display module, and a user operable switch. The optical module is disposed on the contact surface. The optical module has at least one optical emitter and at least one optical detector. The at least one optical detector has a light shield associated with the contact surface. The light shield is configured to exclude ambient light from the contact surface when the contact surface abuts tissue of a patient. The processor is coupled to the optical module and configured to execute instructions for determining a measure of oximetry corresponding to the tissue. The display module is coupled to the processor and is configured to indicate the measure of oximetry. The user operable switch is configured to activate at least one of the processor, the optical module, and the display module.Type: GrantFiled: March 14, 2013Date of Patent: January 29, 2019Assignee: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Timothy L. Johnson, Matthew Prior
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Publication number: 20180140238Abstract: A system includes a mobile computing device, a sleeve, a contact surface, a sensor module, and a telemetry module. The mobile computing device has a first processor within a housing. The sleeve has an internal surface configured to fit the housing. The contact surface is disposed on an external surface of the sleeve. The sensor module is coupled to the contact surface and is configured to generate an electrical signal corresponding to a measured physiological parameter associated with tissue at the contact surface. The telemetry module is coupled to the sensor module and is configured to communicate data corresponding to the electrical signal to the mobile computing device.Type: ApplicationFiled: January 16, 2018Publication date: May 24, 2018Inventors: Timothy L. Johnson, Bryant Austin Jones, Christopher Holland
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Patent number: 9895090Abstract: A system includes a mobile computing device, a sleeve, a contact surface, a sensor module, and a telemetry module. The mobile computing device has a first processor within a housing. The sleeve has an internal surface configured to fit the housing. The contact surface is disposed on an external surface of the sleeve. The sensor module is coupled to the contact surface and is configured to generate an electrical signal corresponding to a measured physiological parameter associated with tissue at the contact surface. The telemetry module is coupled to the sensor module and is configured to communicate data corresponding to the electrical signal to the mobile computing device.Type: GrantFiled: November 18, 2013Date of Patent: February 20, 2018Assignee: Nonin Medical, Inc.Inventors: Timothy L. Johnson, Bryant Austin Jones, Christopher Holland
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Patent number: 9805699Abstract: A guitar arm rest adapted for mounting on a side of a guitar for holding a guitar player's arm in a proper position on the guitar. The guitar arm rest includes an arm rest cup received next to an edge of the side of the guitar. A front of the arm rest cup is adapted for receiving the guitar player's arm thereon. A base plate is hinged to a back of the arm rest cup. The base plate includes one or more suction cups for securing the guitar rest on the side of the guitar. One end of a height adjustment pivot plate is hinged on the base plate. An opposite end of the pivot plate is received in a selected hole in a hole track plate. The hole track plate is attached to a rear of the arm rest cup. The pivot plate is used to adjust the height/angle of the arm rest cup above the side of the guitar.Type: GrantFiled: February 25, 2017Date of Patent: October 31, 2017Inventor: Timothy L. Johnson
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Patent number: 9717447Abstract: A device includes a first sensor coupler that is configured to receive a first input signal from a first sensor. The first input signal corresponds to a first physiological parameter and is based on optical excitation of a tissue. The device includes a processor coupled to the first sensor coupler. The processor is configured to generate an output signal based on the first input signal. The first physiological parameter is encoded in the output signal. The output signal differs from the first input signal. The device includes an output coupler configured to communicate the output signal to a remote device.Type: GrantFiled: June 12, 2014Date of Patent: August 1, 2017Assignee: Nonin Medical, Inc.Inventors: Christopher Larsen, Timothy L. Johnson, Scott Everett Blomberg, Charles U. Smith, Jayant Parthasarathy
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Patent number: 9700249Abstract: An apparatus includes a sensor body, a circuit board, a cable, at least one light emitting device, and at least one photodetector. The circuit board is enclosed within the sensor body and includes at least one conductive trace and at least one aperture. The cable is coupled to the at least one conductive trace. The cable includes a shield conductor and a signal conductor. The at least one light emitting device is coupled to the circuit board and is configured to emit light into a tissue. The at least one photodetector includes a planar active area coupled to the circuit board and is configured to provide an output signal based on light detected by the active area. The planar active area is aligned with the aperture. The output signal is coupled to the cable.Type: GrantFiled: April 15, 2009Date of Patent: July 11, 2017Assignee: Nonin Medical, Inc.Inventors: Timothy L. Johnson, Franz Ulrich, Philip O. Isaacson
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Publication number: 20170188855Abstract: A method includes affixing a co-planar sensor on a surface, using a processor, and providing an output. The method includes affixing a co-planar sensor on a surface at a first tissue site. The sensor has a force transducer disposed at an aperture of a rigid guard member. The guard member and the transducer are in co-planar alignment. The transducer is configured to provide an electrical signal corresponding to an internal pressure at the first tissue site. The method includes using the processor to compare the internal pressure with a reference value. Based on the comparison, the method includes providing an output corresponding to compartment syndrome at the first tissue site.Type: ApplicationFiled: June 5, 2015Publication date: July 6, 2017Inventors: Gregory J. Rausch, Timothy L. Johnson, Matthew Prior
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Patent number: 9480408Abstract: A device includes a guard member, at least one bias sensor, a display, and a measurement sensor. The guard member includes an aperture on an axis. The at least one bias sensor is coupled to the guard member. The at least one bias sensor is configured to provide a bias signal corresponding to a bias force on the guard member. The bias force is aligned parallel with the axis. The display is coupled to the at least one bias sensor and is configured to provide a visible indication of the bias force. The measurement sensor is configured to provide an output signal corresponding to a measured force proximate the aperture.Type: GrantFiled: May 31, 2012Date of Patent: November 1, 2016Assignee: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Bryant Austin Jones, Timothy L. Johnson
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Patent number: 9254087Abstract: A device includes a clamp and a sensor. The sensor can be permanently attached to the clamp and tissue by the force exerted by the clamp. The clamp includes a first jaw member and a second jaw member. The first jaw member has a jaw face and the second jaw member has a complementary face. The second jaw member is held in alignment with the first jaw member by a joint. The joint has an elastic member configured to exert a compressive force between the jaw face and the complementary face. The joint is configured to allow movement of the jaw face relative to the complementary face in directions corresponding to pitch, roll, yaw, and heave. The compressive force is distributed over a surface of the jaw face. The sensor is coupled to the jaw face or held in place by the compressive force of the jaw face. The sensor is configured to generate a sensor signal corresponding to a physiological parameter of tissue proximate the jaw face.Type: GrantFiled: March 24, 2014Date of Patent: February 9, 2016Assignee: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Bryant Austin Jones, Timothy L. Johnson, Christopher Holland, Matthew Prior
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Publication number: 20150141779Abstract: A system includes a mobile computing device, a sleeve, a contact surface, a sensor module, and a telemetry module. The mobile computing device has a first processor within a housing. The sleeve has an internal surface configured to fit the housing. The contact surface is disposed on an external surface of the sleeve. The sensor module is coupled to the contact surface and is configured to generate an electrical signal corresponding to a measured physiological parameter associated with tissue at the contact surface. The telemetry module is coupled to the sensor module and is configured to communicate data corresponding to the electrical signal to the mobile computing device.Type: ApplicationFiled: November 18, 2013Publication date: May 21, 2015Applicant: Nonin Medical, Inc.Inventors: Timothy L. Johnson, Bryant Austin Jones, Christopher Hollan
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Publication number: 20150141780Abstract: A system includes a sensor, a second connector, a local processor, a first telemetry module, a second telemetry module, and a remote processor. The sensor is coupled to a cord and the cord has a first connector. The second connector is coupled to a housing. The second connector is configured to mate with the first connector. The local processor is coupled to the second connector and disposed in the housing. The local processor is configured to execute instructions stored in a local memory. The local memory is disposed in the housing. The local processor is configured to generate calculated data based on a signal received at the second connector. The signal corresponds to a parameter measured by the sensor. The first telemetry module is coupled to the local processor and is configured to wirelessly communicate the calculated data. The second telemetry module is configured to communicate with the first telemetry module. The remote processor is coupled to the second telemetry module.Type: ApplicationFiled: November 18, 2013Publication date: May 21, 2015Applicant: Nonin Medical, Inc.Inventors: David A. Meyer, Timothy L. Johnson, Bryant Austin Jones
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Publication number: 20140357970Abstract: A device includes a first sensor coupler that is configured to receive a first input signal from a first sensor. The first input signal corresponds to a first physiological parameter and is based on optical excitation of a tissue. The device includes a processor coupled to the first sensor coupler. The processor is configured to generate an output signal based on the first input signal. The first physiological parameter is encoded in the output signal. The output signal differs from the first input signal. The device includes an output coupler configured to communicate the output signal to a remote device.Type: ApplicationFiled: June 12, 2014Publication date: December 4, 2014Inventors: Christopher Larsen, Timothy L. Johnson, Scott Everett Blomberg, Charles U. Smith, Jayant Parthasarathy
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Publication number: 20140288388Abstract: A device includes a clamp and a sensor. The sensor can be permanently attached to the clamp and tissue by the force exerted by the clamp. The clamp includes a first jaw member and a second jaw member. The first jaw member has a jaw face and the second jaw member has a complementary face. The second jaw member is held in alignment with the first jaw member by a joint. The joint has an elastic member configured to exert a compressive force between the jaw face and the complementary face. The joint is configured to allow movement of the jaw face relative to the complementary face in directions corresponding to pitch, roll, yaw, and heave. The compressive force is distributed over a surface of the jaw face. The sensor is coupled to the jaw face or held in place by the compressive force of the jaw face. The sensor is configured to generate a sensor signal corresponding to a physiological parameter of tissue proximate the jaw face.Type: ApplicationFiled: March 24, 2014Publication date: September 25, 2014Applicant: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Bryant Austin Jones, Timothy L. Johnson, Christopher Holland, Matthew Prior
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Publication number: 20140275885Abstract: A handheld device includes a contact surface, an optical module, a processor, a display module, and a user operable switch. The optical module is disposed on the contact surface. The optical module has at least one optical emitter and at least one optical detector. The at least one optical detector has a light shield associated with the contact surface. The light shield is configured to exclude ambient light from the contact surface when the contact surface abuts tissue of a patient. The processor is coupled to the optical module and configured to execute instructions for determining a measure of oximetry corresponding to the tissue. The display module is coupled to the processor and is configured to indicate the measure of oximetry. The user operable switch is configured to activate at least one of the processor, the optical module, and the display module.Type: ApplicationFiled: March 14, 2013Publication date: September 18, 2014Applicant: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Timothy L. Johnson, Matthew Prior
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Patent number: 8805482Abstract: An electrocardiogram (ECG) monitoring system configured to determine an index that comprises a set of indicators, where each indicator is indicative of a level of signal quality in an ECG lead. Further, the ECG monitoring system assigns a first indicator from the set of indicators to a first ECG lead signal and communicates the first indicator to a user.Type: GrantFiled: July 28, 2008Date of Patent: August 12, 2014Assignee: General Electric ConpanyInventors: David A. Sitzman, Timothy L. Johnson, Stephen T. Treacy, Sahika Genc
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Patent number: 8792950Abstract: A device includes a first sensor coupler that is configured to receive a first input signal from a first sensor. The first input signal corresponds to a first physiological parameter and is based on optical excitation of a tissue. The device includes a processor coupled to the first sensor coupler. The processor is configured to generate an output signal based on the first input signal. The first physiological parameter is encoded in the output signal. The output signal differs from the first input signal. The device includes an output coupler configured to communicate the output signal to a remote device.Type: GrantFiled: June 4, 2010Date of Patent: July 29, 2014Assignee: Nonin Medical, Inc.Inventors: Christopher Larsen, Timothy L. Johnson, Scott Everett Blomberg, Charles U. Smith, Jayant Parthasarathy
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Patent number: 8695206Abstract: A device includes a clamp and a sensor. The sensor can be attached to the clamp and tissue by the force exerted by the clamp. The clamp includes a first jaw member having a jaw face and a second jaw member having a complementary face. The first and second jaw members are held in alignment by a joint. The joint has an elastic member configured to exert a compressive force. The joint allows movement of the jaw face relative to the complementary face in directions corresponding to pitch, roll, yaw, and heave. The compressive force is distributed over a surface of the jaw face. The sensor is coupled to the jaw face or held in place by the compressive force of the jaw face. The sensor is configured to generate a sensor signal corresponding to a physiological parameter of tissue proximate the jaw face.Type: GrantFiled: April 26, 2012Date of Patent: April 15, 2014Assignee: Nonin Medical, Inc.Inventors: Philip O. Isaacson, Bryant Austin Jones, Timothy L. Johnson, Christopher Holland, Matthew Prior