Patents by Inventor Stephen F. Smith
Stephen F. Smith 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: 12042109Abstract: A method of using a flat headed mop is provided. The method includes cleaning a surface with the mop pad, then rotating the mop head into the folded position at a instance with a biasing member coupled to a hinge assembly. The hinge assembly being disposed between the mop head and a mop pole. Next, inserting the mop head into a first fluid to remove contaminants from the mop pad, then inserting the mop head into a wringing assembly to remove at least a portion of the first fluid.Type: GrantFiled: November 10, 2022Date of Patent: July 23, 2024Assignee: Unger Marketing International, LLCInventors: Stephen P. Huda, Joseph K. Patterson, Robert F. Smith, William Harrington
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Publication number: 20220415168Abstract: Traffic control systems, signal control systems, and methods of using such systems are disclosed. A real-time adaptive traffic control system includes multiple signal control systems, each associated with a signalized intersection. Each signal control system includes a receiver, a processor, and a transmitter. The receiver receives inflow traffic control information from other signal control systems and information associated with one or more vehicles or devices. The processor generates a signal timing plan based on the information and the inflow traffic control information. The transmitter transmits outflow traffic control information to other signal control systems. A fee or toll may be incurred for receiving the route information associated with a vehicle or device. The result of providing such route information may be better traffic flow for the transmitting vehicle or device and other vehicles or devices resulting from improved information being available to the traffic control system.Type: ApplicationFiled: September 22, 2020Publication date: December 29, 2022Applicant: Rapid Flow Technologies, Inc.Inventors: Gregory J. Barlow, Stephen F. Smith, Allen Hawkes
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Patent number: 9830813Abstract: Scalable urban traffic control system has been developed to address current challenges and offers a new approach to real-time, adaptive control of traffic signal networks. The methods and system described herein exploit a novel conceptualization of the signal network control problem as a decentralized process, where each intersection in the network independently and asynchronously solves a single-machine scheduling problem in a rolling horizon fashion to allocate green time to its local traffic, and intersections communicate planned outflows to their downstream neighbors to increase visibility of future incoming traffic and achieve coordinated behavior. The novel formulation of the intersection control problem as a single-machine scheduling problem abstracts flows of vehicles into clusters, which enables orders-of-magnitude speedup over previous time-based formulations and is what allows truly real-time (second-by-second) response to changing conditions.Type: GrantFiled: October 12, 2015Date of Patent: November 28, 2017Assignee: CARNEGIE MELLON UNIVERSITY, a Pennsylvania Non-Profit CorporationInventors: Stephen F. Smith, Gregory J. Barlow, Xiao-Feng Xie
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Publication number: 20160042641Abstract: Scalable urban traffic control system has been developed to address current challenges and offers a new approach to real-time, adaptive control of traffic signal networks. The methods and system described herein exploit a novel conceptualization of the signal network control problem as a decentralized process, where each intersection in the network independently and asynchronously solves a single-machine scheduling problem in a rolling horizon fashion to allocate green time to its local traffic, and intersections communicate planned outflows to their downstream neighbors to increase visibility of future incoming traffic and achieve coordinated behavior. The novel formulation of the intersection control problem as a single-machine scheduling problem abstracts flows of vehicles into clusters, which enables orders-of-magnitude speedup over previous time-based formulations and is what allows truly real-time (second-by-second) response to changing conditions.Type: ApplicationFiled: October 12, 2015Publication date: February 11, 2016Applicant: CARNEGIE MELLON UNIVERSITY, a Pennsylvania Non-Profit CorporationInventors: Stephen F. Smith, Gregory J. Barlow, Xiao-Feng Xie
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Patent number: 9159229Abstract: Scalable urban traffic control system has been developed to address current challenges and offers a new approach to real-time, adaptive control of traffic signal networks. The methods and system described herein exploit a novel conceptualization of the signal network control problem as a decentralized process, where each intersection in the network independently and asynchronously solves a single-machine scheduling problem in a rolling horizon fashion to allocate green time to its local traffic, and intersections communicate planned outflows to their downstream neighbors to increase visibility of future incoming traffic and achieve coordinated behavior. The novel formulation of the intersection control problem as a single-machine scheduling problem abstracts flows of vehicles into clusters, which enables orders-of-magnitude speedup over previous time-based formulations and is what allows truly real-time (second-by-second) response to changing conditions.Type: GrantFiled: June 18, 2014Date of Patent: October 13, 2015Assignee: Carnegie Mellon University, a Pennsylvania Non-Profit CorporationInventors: Xiao-Feng Xie, Stephen F. Smith, Gregory J. Barlow
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Publication number: 20140368358Abstract: Scalable urban traffic control system has been developed to address current challenges and offers a new approach to real-time, adaptive control of traffic signal networks. The methods and system described herein exploit a novel conceptualization of the signal network control problem as a decentralized process, where each intersection in the network independently and asynchronously solves a single-machine scheduling problem in a rolling horizon fashion to allocate green time to its local traffic, and intersections communicate planned outflows to their downstream neighbors to increase visibility of future incoming traffic and achieve coordinated behavior. The novel formulation of the intersection control problem as a single-machine scheduling problem abstracts flows of vehicles into clusters, which enables orders-of-magnitude speedup over previous time-based formulations and is what allows truly real-time (second-by-second) response to changing conditions.Type: ApplicationFiled: June 18, 2014Publication date: December 18, 2014Applicant: CARNEGIE MELLON UNIVERSITY, a Pennsylvania Non-Profit CorporationInventors: Xiao-Feng Xie, Stephen F. Smith, Gregory J. Barlow
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Patent number: 8695205Abstract: A method and apparatus are provided for attaching a safety cutting blade onto a substrate, such as a cardboard blank. A piece of cutting blade material is cut to length and fed to a forming station that bends the piece to form a safety cutting blade having a plurality of cutting teeth. The cutting blade is fed to a crimping station where the cutting blade is mated with a substrate and affixed with the substrate. A transport then conveys the combined cutting blade and substrate away from the crimping station.Type: GrantFiled: January 4, 2010Date of Patent: April 15, 2014Assignee: Metal Edge International, Inc.Inventors: Joshua Q. Moyer, Jeffrey L. Schroy, Jonathan C. Tyson, David J. Dravuschak, Andrew Levan, Joseph M. Dorner, Jr., Leonard C. Wagner, Christopher Yatsko, Stephen F. Smith, James W Day
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Patent number: 8355866Abstract: Methods and apparatus are described for a navigation system. A method includes providing a global positioning system fix having a plurality of tracking parameters; providing a theater positioning system fix; monitoring the plurality of tracking parameters for predetermined conditions; and, when the predetermined conditions are met, sending a notifying signal and switching to the theater positioning system fix as a primary fix. An apparatus includes a system controller; a global positioning system receiver coupled to the system controller; a radio frequency locating receiver coupled to the system controller; and an operator interface coupled to the system controller.Type: GrantFiled: October 13, 2011Date of Patent: January 15, 2013Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Patent number: 8299966Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: GrantFiled: October 30, 2009Date of Patent: October 30, 2012Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Publication number: 20120032842Abstract: Methods and apparatus are described for a navigation system. A method includes providing a global positioning system fix having a plurality of tracking parameters; providing a theater positioning system fix; monitoring the plurality of tracking parameters for predetermined conditions; and, when the predetermined conditions are met, sending a notifying signal and switching to the theater positioning system fix as a primary fix. An apparatus includes a system controller; a global positioning system receiver coupled to the system controller; a radio frequency locating receiver coupled to the system controller; and an operator interface coupled to the system controller.Type: ApplicationFiled: October 13, 2011Publication date: February 9, 2012Inventors: Stephen F. Smith, James A. Moore
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Publication number: 20120029818Abstract: Methods and apparatus are described for a navigation system. A method includes providing a global positioning system fix having a plurality of tracking parameters; providing a theater positioning system fix; monitoring the plurality of tracking parameters for predetermined conditions; and, when the predetermined conditions are met, sending a notifying signal and switching to the theater positioning system fix as a primary fix. An apparatus includes a system controller; a global positioning system receiver coupled to the system controller; a radio frequency locating receiver coupled to the system controller; and an operator interface coupled to the system controller.Type: ApplicationFiled: October 13, 2011Publication date: February 2, 2012Inventors: Stephen F. Smith, James A. Moore
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Patent number: 8089408Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: GrantFiled: October 30, 2009Date of Patent: January 3, 2012Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Patent number: 8068984Abstract: Methods and apparatus are described for a navigation system. A method includes providing a global positioning system fix having a plurality of tracking parameters; providing a theater positioning system fix; monitoring the plurality of tracking parameters for predetermined conditions; and, when the predetermined conditions are met, sending a notifying signal and switching to the theater positioning system fix as a primary fix. An apparatus includes a system controller; a global positioning system receiver coupled to the system controller; a radio frequency locating receiver coupled to the system controller; and an operator interface coupled to the system controller.Type: GrantFiled: October 17, 2006Date of Patent: November 29, 2011Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Patent number: 7881416Abstract: Systems and methods are described for carrier phase synchronization for improved AM and TV broadcast reception. A method includes synchronizing the phase of a carrier frequency of a broadcast signal with the phase of a remote reference frequency. An apparatus includes a receiver to detect the phase of a reference signal; a phase comparator coupled to the reference signal-phase receiver; a voltage controlled oscillator coupled to the phase comparator; and a phase-controlled radio frequency output coupled to the voltage controlled oscillator.Type: GrantFiled: July 23, 2009Date of Patent: February 1, 2011Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Patent number: 7876267Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: GrantFiled: October 30, 2009Date of Patent: January 25, 2011Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Patent number: 7859464Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: GrantFiled: October 30, 2009Date of Patent: December 28, 2010Assignee: UT-Battelle, LLCInventors: Stephen F. Smith, James A. Moore
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Publication number: 20100170197Abstract: A method and apparatus are provided for attaching a safety cutting blade onto a substrate, such as a cardboard blank. A piece of cutting blade material is cut to length and fed to a forming station that bends the piece to form a safety cutting blade having a plurality of cutting teeth. The cutting blade is fed to a crimping station where the cutting blade is mated with a substrate and affixed with the substrate. A transport then conveys the combined cutting blade and substrate away from the crimping station.Type: ApplicationFiled: January 4, 2010Publication date: July 8, 2010Inventors: Joshua Q Moyer, Jeffrey L. Schroy, Jonathan C. Tyson, David J. Dravuschak, Andrew Levan, Joseph M. Dorner, JR., Leonard C. Wagner, Christopher Yatsko, Stephen F. Smith, James W. Day
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Publication number: 20100103989Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: ApplicationFiled: October 30, 2009Publication date: April 29, 2010Inventors: Stephen F. Smith, James A. Moore
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Publication number: 20100103046Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: ApplicationFiled: October 30, 2009Publication date: April 29, 2010Inventors: Stephen F. Smith, James A. Moore
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Publication number: 20100103982Abstract: Methods and apparatus are described for a navigation system. A process includes providing a plurality of transmitters distributed throughout a desired coverage area; locking the plurality of transmitters to a common timing reference; transmitting a signal from each of the plurality of transmitters. An apparatus includes a plurality of transmitters distributed throughout a desired coverage area; wherein each of the plurality of transmitters comprises a packet generator; and wherein the plurality of transmitters are locked to a common timing reference.Type: ApplicationFiled: October 30, 2009Publication date: April 29, 2010Inventors: Stephen F. Smith, James A. Moore