Patents by Inventor Daniel White Sexton
Daniel White Sexton 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: 20160187277Abstract: A sensor system includes a multi-frequency sensor assembly including a single sensor body housing with a sensing region circuit and a sensor reader disposed in the sensor body. The sensor body is configured to be in operational contact with a fluid. The sensing region circuit is configured to generate different electric fields having different frequencies in the fluid. The sensor reader includes one or more processors configured to examine one or more impedance responses of the sensing region circuit at different frequencies and to determine one or more properties of the fluid based on the one or more impedance responses that are examined.Type: ApplicationFiled: March 3, 2016Publication date: June 30, 2016Inventors: Radislav Alexandrovich Potyrailo, Daniel White Sexton, Steven Y. Go
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Patent number: 9194250Abstract: Various embodiments include detection systems adapted to monitor at least one physical property of a component in a turbomachine. In some embodiments a detection system includes at least one sensor configured to be affixed to a component of a turbomachine, the at least one sensor for sensing information regarding at least one physical property of the turbomachine component during operation of the turbomachine, a signal converter communicatively coupled to the at least one sensor and at least one RF communication device configured to be affixed to a stationary component of the turbomachine, the radio frequency communication device configured to communicate with the at least one signal converter via an RF antenna coupled to the signal converter.Type: GrantFiled: May 7, 2014Date of Patent: November 24, 2015Assignee: General Electric CompanyInventors: Nilesh Tralshawala, Daniel White Sexton
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Publication number: 20150322813Abstract: Various embodiments include detection systems adapted to monitor at least one physical property of a component in a turbomachine. In some embodiments a detection system includes at least one sensor configured to be affixed to a component of a turbomachine, the at least one sensor for sensing information regarding at least one physical property of the turbomachine component during operation of the turbomachine, a signal converter communicatively coupled to the at least one sensor and at least one RF communication device configured to be affixed to a stationary component of the turbomachine, the radio frequency communication device configured to communicate with the at least one signal converter via an RF antenna coupled to the signal converter.Type: ApplicationFiled: May 7, 2014Publication date: November 12, 2015Applicant: General Electric CompanyInventors: Nilesh Tralshawala, Daniel White Sexton
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Publication number: 20150204182Abstract: A system to detect a position of a pipe with respect to a BOP includes a casing disposed around an outer surface of a section of the pipe. The system further includes sensing devices that are disposed on the casing and arranged to form a plurality of arrays and configured to generate position signals. The arrays are disposed circumferentially around the casing and spaced from one another along the length of the casing. The system includes a processing unit configured to compute distance between the pipe and each sensing device. The processing unit generates a first alert when the distance between the pipe and at least one sensing device is different from a reference distance. The processing unit generates a second alert when the distance between the pipe and each sensing device of at least one array of sensing devices is different from the reference distance.Type: ApplicationFiled: January 17, 2014Publication date: July 23, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Emad Andarawis Andarawis, Daniel White Sexton, Christopher Edward Wolfe, Edward James Nieters, Yuri Alexeyevich Plotnikov, Michael Joseph Dell'Anno
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Publication number: 20140052410Abstract: A creep life management system includes at least one sensor apparatus coupled to a first component. The at least one sensor apparatus is configured with a unique identifier. The creep life management system also includes at least one reader unit coupled to a second component. The at least one reader unit is configured to transmit an interrogation request signal to the at least one sensor apparatus and receive a measurement response signal transmitted from the at least one sensor apparatus. The creep life management system further includes at least one processor programmed to determine a real-time creep profile of the first component as a function of the measurement response signal transmitted from the at least one sensor apparatus.Type: ApplicationFiled: August 14, 2012Publication date: February 20, 2014Inventors: Nilesh Tralshawala, Harold Edward Miller, Vivek Venugopal Badami, Sameer Vittal, Daniel White Sexton
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Publication number: 20130117472Abstract: A device for use in determining a location of a component of a system includes a communication interface configured to transmit at least one signal to the component, a display, and a processor coupled to the communication interface and to the display. The processor is programmed to display a representation of the system on the display, display an expected location of the component within the representation, and transmit the at least one signal to the component using the communication interface for use in determining an actual location of the component.Type: ApplicationFiled: November 3, 2011Publication date: May 9, 2013Inventors: Daniel White Sexton, Brandon James Rank
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Patent number: 8259753Abstract: A method transmitting a message over at least one of a plurality of channels of a communications network is provided. The method comprises the steps of detecting a presence of jamming pulses in the at least one of the plurality of channels. The characteristics of the jamming pulses in the at least one of the plurality of channels is determined wherein the determined characteristics define at least interstices between the jamming pulses. The message is transmitted over the at least one of the plurality of channels wherein the message is transmitted within the interstices of the jamming pulse determined from the step of determining characteristics of the jamming pulses.Type: GrantFiled: June 26, 2007Date of Patent: September 4, 2012Assignee: General Electric CompanyInventors: John Anderson Fergus Ross, Harold Woodruff Tomlinson, Daniel White Sexton, John Erik Hershey, Richard Anthony DeCristofaro
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Publication number: 20120105246Abstract: This invention provides, inter alia, communication devices for contactless underwater data transmission and reception. In one embodiment the present invention provides a transmitting device comprising (a) a water-tight housing; (b) a radiative element disposed outside of the housing, said radiative element comprising at least two antennae, wherein the radiative element is configured to propagate an electric field signal through water; and (c) a communications section disposed within the housing, said communications section being coupled to said radiative element, said communications section comprising at least one transmitter, wherein the communications section is configured to transmit digitally modulated data as an electric field signal propagated by the radiative element. Also provided are similarly constituted receiving devices, transceiving devices, systems containing such devices and methods of using such devices and systems.Type: ApplicationFiled: October 29, 2010Publication date: May 3, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel White Sexton, Amin Radi, John Thomas Garrity
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Publication number: 20110038268Abstract: A method transmitting a message over at least one of a plurality of channels of a communications network is provided. The method comprises the steps of detecting a presence of jamming pulses in the at least one of the plurality of channels. The characteristics of the jamming pulses in the at least one of the plurality of channels is determined wherein the determined characteristics define at least interstices between the jamming pulses. The message is transmitted over the at least one of the plurality of channels wherein the message is transmitted within the interstices of the jamming pulse determined from the step of determining characteristics of the jamming pulses.Type: ApplicationFiled: June 26, 2007Publication date: February 17, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: John Anderson Fergus Ross, Harold Woodruff Tomlinson, Daniel White Sexton, John Erik Hershey, Richard Anthony DeCristofaro
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Patent number: 7747356Abstract: A method and system for monitoring and controlling a power distribution system is provided. The system includes a plurality of circuit breakers and a plurality of node electronic units. Each node electronic unit is mounted remotely from an associated circuit breaker that is electrically coupled with one of the node electronic units. The system also includes a first digital network, and a first central control unit. The first central control unit and the plurality of node electronic units are communicatively coupled to the first digital network. The method includes receiving digital signals from each node electronic unit at the central control unit, determining an operational state of the power distribution system from the digital signal, and transmitting digital signals to the plurality of node electronic units such that the circuit breakers are operable from the first central control unit.Type: GrantFiled: November 20, 2006Date of Patent: June 29, 2010Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Daniel White Sexton, Scott Charles Evans, Marc Robert Pearlman, Austars Raymond Schnore, Jr., Charles Scott Sealing, William James Premerlani, Ertugrul Berkcan, Wendai Wang, Terry Michael Topka, Mingxiao Jiang
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Publication number: 20100156629Abstract: A remote sensing system comprises a micro-electromechanical sensor (MEMS) device comprising a sensing element, an exciting element to resonate the sensing element at resonant frequency from a remote location by transmitting signals comprising any of acoustic signals, optical signals, radio frequency signals, or magnetic induction signals, and a reader circuitry to read an original frequency of the sensing element from a remote location for determining a condition to which the MEMS device is exposed using signals comprising any of acoustic signals, optical signals, radio frequency signals, or magnetic induction signals.Type: ApplicationFiled: January 27, 2009Publication date: June 24, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel White Sexton, Glen Peter Koste, Aaron Jay Knobloch, Roderick Gordon Brown, David William Vernooy
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Patent number: 7691048Abstract: An infant monitoring system includes an incubation chamber configured to house an infant. Furthermore, the infant monitoring system includes a data reception interface configured to receive a wireless signal indicative of a vital sign. The infant monitoring system may be configured to communicate wirelessly with a LAN or a remote monitoring system.Type: GrantFiled: September 30, 2004Date of Patent: April 6, 2010Assignee: General Electric CompanyInventors: Michael Joseph Mahony, Daniel White Sexton, John Erik Hershey, John Carter, Jr., Howard Leigh Krain
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Patent number: 7567651Abstract: Systems and techniques are provided for a directional antenna system that employs a wireless link between x-ray apparatus. The system includes a host computer, an x-ray tube with an emission scan channel, a first directional antenna connected to the x-ray tube and with an orientation parallel to the emission channel, a second antenna wirelessly communicating with the first directional antenna, an x-ray detector wirelessly communicating with the x-ray tube, and a rigid panel supporting the second antenna and the x-ray detector being in contact with the emission scan channel. Specific techniques are employed to manage antenna direction and transmission.Type: GrantFiled: March 30, 2006Date of Patent: July 28, 2009Inventors: Zeljko John Serceki, Daniel White Sexton
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Patent number: 7548512Abstract: A method of prioritizing messages on a Local Area Network comprises receiving a digitized incoming message, comparing a message signature of the incoming message with a stored priority message signature, passing non-priority messages to a standard Ethernet protocol stack for processing, storing priority messages temporarily, preventing priority messages from being processed in the standard Ethernet protocol stack, and handling priority messages using a simplified protocol stack designed to process a specific data packet type. This method may be performed by an Application Specific Integrated Circuit (ASIC) inserted between an Ethernet PHY layer and Ethernet MAC layer on a Network Interface Card of a host device. In particular, automated machinery control systems using the Ethernet protocol for networking are intended to benefit from the prioritizing method and implementation.Type: GrantFiled: February 6, 2003Date of Patent: June 16, 2009Assignee: General Electric CompanyInventors: Daniel White Sexton, John Erik Hershey, Michael James Hartman
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Publication number: 20080263647Abstract: A secure framework for wireless sensor networks. The framework provides a system and method for providing network device authentication. The system and method comprises installing a unique device key in a network device and creating a chain of keys, wherein each subsequent key is encrypted using the previous key. The method executes an authentication process for storing and issuing keys, wherein the authentication process uses a unique device key to install a device site key in the network device and uses the device site key and the unique device key to authenticate the network device for communicating with a wireless network router, wherein the wireless network router creates a unique network-device-router key. The unique network-device-router key is used to authenticate the network device for communicating over the wireless network using an encrypted network session key and allows secure encrypted link-layer communications over the wireless network.Type: ApplicationFiled: July 16, 2007Publication date: October 23, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Bruce Gordon Barnett, Daniel White Sexton, Ping Liu
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Patent number: 7426272Abstract: The present invention provides methods and apparatuses for implementing communications privacy on a class of two-way wireless control communications. The methods and apparatuses of the present invention are cryptographic in nature and are built on a symmetric cryptographic algorithm structure. The cryptographic algorithm structure generates keytext on a frame-by-frame basis and both directions of the communications control link are served by the same keytext frames. The methods and apparatuses of the present invention utilize a single outbound/inbound cryptographic generator, such as a shrinking generator or the like designed using six-sigma tools in order to ensure, within a predetermined probability, that the non-fixed encryption time does not cause operational problems.Type: GrantFiled: November 26, 2002Date of Patent: September 16, 2008Assignee: General Electric CompanyInventors: John Erik Hershey, Daniel White Sexton
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Patent number: 7236503Abstract: A method transmitting a message over at least one of a plurality of radio frequency (RF) channels of an RF communications network is provided. The method comprises the steps of detecting a presence of jamming pulses in the at least one of the plurality of RF channels. The characteristics of the jamming pulses in the at least one of the plurality of RF channels is determined wherein the determined characteristics define at least interstices between the jamming pulses. The message is transmitted over the at least one of the plurality of RF channels wherein the message is transmitted within the interstices of the jamming pulse determined from the step of determining characteristics of the jamming pulses.Type: GrantFiled: February 26, 2002Date of Patent: June 26, 2007Assignee: General Electric CompanyInventors: Daniel White Sexton, John Erik Hershey
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Patent number: 7215212Abstract: The present invention is directed to a system that enables the simultaneous remote monitoring of a plurality of infants' skin temperatures. The system comprises an electronic circuit that combines the functions of sensoring and multiple-channel transmitting, a pre-deployment temperature bath for calibration of the temperature sensor(s), and a receiving and reporting station for centralized monitoring the infants' skin temperatures. The present invention is further directed to a temperature sensor that measures the temperature and transmits the data in multiple channels to a remote receiver. In one embodiment, the temperature sensor comprises a ring oscillator, having a plurality of odd number of inverters, and the ring oscillator is capable of utilizing less than all of the inverters in the ring to modulate the frequency of the signal. In another embodiment, the temperature sensor comprises one inverter and a plurality of delay elements and sensor transmits phase shifted signals to modulate the signals.Type: GrantFiled: April 12, 2004Date of Patent: May 8, 2007Assignee: General Electric CompanyInventors: Michael Joseph Mahony, Daniel White Sexton, John Erik Hershey
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Patent number: 7151329Abstract: A method and system for monitoring and controlling a power distribution system is provided. The system includes a plurality of circuit breakers and a plurality of node electronic units. Each node electronic unit is mounted remotely from an associated circuit breaker that is electrically coupled with one of the node electronic units. The system also includes a first digital network, and a first central control unit. The first central control unit and the plurality of node electronic units are communicatively coupled to the first digital network. The method includes receiving digital signals from each node electronic unit at the central control unit, determining an operational state of the power distribution system from the digital signal, and transmitting digital signals to the plurality of node electronic units such that the circuit breakers are operable from the first central control unit.Type: GrantFiled: February 25, 2003Date of Patent: December 19, 2006Assignee: General Electric CompanyInventors: Emad Andarawis Andarawis, Daniel White Sexton, Scott Charles Evans, Marc Robert Pearlman, Austars Raymond Schnore, Jr., Charles Scott Sealing, William James Premerlani, Ertugrul Berkcan, Wendai Wang, Terry Michael Topka, Mingxiao Jiang
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Patent number: 7068612Abstract: A method for communicating information bundled in digital message packets via a digital network communication system is provided. The digital network communication system a sample source and each packet includes a header and a communication payload area. The method includes sampling the source at a first sample rate, selecting at least one decimation of the samples based on at least one of a plurality of algorithmic data rates and a channel bandwidth, determining a packet rate based on a plurality of algorithmic latency requirements, and transmitting the digital message packet containing decimated data on the digital network.Type: GrantFiled: February 25, 2003Date of Patent: June 27, 2006Assignee: General Electric CompanyInventors: Ertugrul Berkcan, Daniel White Sexton, Scott Charles Evans, Marc Robert Pearlman, Emad Andarawis Andarawis, William James Premerlani