Patents by Inventor Donald Chaffee

Donald Chaffee 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: 20230305128
    Abstract: A method of calculating a distance between transmitters and receivers with Doppler signals for determining a miss distance of two moving vehicles using the physical phenomenon of the Doppler effect. Said method comprising: emitting a broadcast signal with a transmitter from one among the two moving vehicles and sensing and recording a portion of the broadcast signal with a signal receiver on another among the two moving vehicles, analyzing a received signal over an observation period, calculating a slope characteristic of the received signal over the observation period, and calculating the miss distance between the two moving vehicles based on the slope characteristic. wherein, the observation period comprises a starting time, a time-minimum-distance and an ending time.
    Type: Application
    Filed: October 13, 2022
    Publication date: September 28, 2023
    Inventors: Karl Rothe, Donald Chaffee, Douglas Heermann, Aaron Trott
  • Patent number: 10571223
    Abstract: A time domain detection system to measure and report on hypervelocity impacts HVI between an interceptor vehicle and a target vehicle. Wherein, said time domain detection system comprises a target vehicle components installed on said target vehicle, a one or more panels arranged on a portion of said target vehicle at a potential HVI locations, and a hit detection system wired into said one or more panels. Said target vehicle components comprise at least said hit detection system, and a lines. Said one or more panels are wired into said hit detection system with said lines. Said hit detection system is configured to communicate with said one or more panels over said lines. Said one or more panels can each comprise a one or more detector panel layers, and a two or more insulator layers.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 25, 2020
    Inventors: Karl F. Kiefer, Donald Chaffee, Douglas Heermann, Brian Philpot
  • Publication number: 20180252499
    Abstract: A time domain detection system to measure and report on hypervelocity impacts HVI between an interceptor vehicle and a target vehicle. Wherein, said time domain detection system comprises a target vehicle components installed on said target vehicle, a one or more panels arranged on a portion of said target vehicle at a potential HVI locations, and a hit detection system wired into said one or more panels. Said target vehicle components comprise at least said hit detection system, and a lines. Said one or more panels are wired into said hit detection system with said lines. Said hit detection system is configured to communicate with said one or more panels over said lines. Said one or more panels can each comprise a one or more detector panel layers, and a two or more insulator layers.
    Type: Application
    Filed: March 2, 2018
    Publication date: September 6, 2018
    Inventors: Karl F. Kiefer, Donald Chaffee, Douglas Heermann, Brian Philpot
  • Publication number: 20030050098
    Abstract: A wireless communication system, method and apparatus are disclosed. This system includes one or more apparatus for communicating with one or more base stations and one or more mobile. The apparatus has both a base station portion and a mobile station portion. The base station portion is adapted to communicate with one or more mobile stations and/or with one or more other mobile station portions while the mobile station portion is adapted to communicate with one or more other base stations and or one or more other base station portions.
    Type: Application
    Filed: September 10, 2001
    Publication date: March 13, 2003
    Inventors: Laurence D'Agati, Gary Matthews, Donald Chaffee
  • Publication number: 20020186665
    Abstract: The present invention relates to a network nodes that are interconnected by communication links. Each node is capable of determining communication paths or routes from itself to as many other nodes as possible, either directly or relaying through other nodes, in order to complete the network. These paths are evaluated as new information concerning a route is generated, according to selected criteria, so that the best paths are identified, remembered and used when communication is performed. This invention is concerned with the determination of best paths through a network and the maintenance of these paths as communication conditions and node population changes.
    Type: Application
    Filed: March 14, 2001
    Publication date: December 12, 2002
    Inventors: Donald Chaffee, Laurence D'Agati, Gary Matthews
  • Publication number: 20020077151
    Abstract: A nanoCell base station is disclosed for providing radio connectivity among one or more mobile stations, one or more base transceiver stations or one or more other nanoCell base stations. The nanoCell base station of the present invention has one or more transceivers. One of the transceivers provides a base station function, and one of the transceivers provides a mobile station function. A controller is present for managing the transceivers, and determining the communications connectivity paths between base station and mobile station functions.
    Type: Application
    Filed: December 18, 2000
    Publication date: June 20, 2002
    Inventors: Gary Matthews, Laurence D' Agati, Donald Chaffee