Patents by Inventor Elicia K. Harper
Elicia K. Harper 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: 11406007Abstract: A radio frequency (RF) energy transmission line transition for coupling RF energy between a pair of RF transmission line sections disposed on intersecting surfaces of a corresponding one of a pair of conductive members, a first one of the pair of conductive members having a wall with a jog therein for receiving an end portion of a second one of the pair of conductive members, the end portion of an electrically conductive strip of the first one of the pair of radio frequency transmission line sections being disposed on, and electrically connected to, an electrically conductive strip of a second one of the pair of radio frequency transmission line sections.Type: GrantFiled: February 19, 2020Date of Patent: August 2, 2022Assignee: RAYTHEON COMPANYInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Patent number: 11177547Abstract: A branchline coupler structure having a pair of main transmission lines disposed on different horizontal levels of a support structure and a pair of shunt transmission lines, vertically disposed and laterally spaced, and disposed in the support structure. A first one of the pair of shunt transmission lines is coupled between: one region of a first one of the pair of main transmission lines and a first end of a second one of the pair of main transmission line. A second one of the pair of shunt transmission lines is coupled between a second region of the first one of the pair of main transmission lines, laterally spaced from the first region, and a second end of the second one of the main transmission lines.Type: GrantFiled: May 5, 2020Date of Patent: November 16, 2021Assignee: RAYTHEON COMPANYInventors: Elicia K. Harper, Christopher M. Laighton, Francois Y. Colomb
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Publication number: 20210351487Abstract: A branchline coupler structure having a pair of main transmission lines disposed on different horizontal levels of a support structure and a pair of shunt transmission lines, vertically disposed and laterally spaced, and disposed in the support structure. A first one of the pair of shunt transmission lines is coupled between: one region of a first one of the pair of main transmission lines and a first end of a second one of the pair of main transmission line. A second one of the pair of shunt transmission lines is coupled between a second region of the first one of the pair of main transmission lines, laterally spaced from the first region, and a second end of the second one of the main transmission lines.Type: ApplicationFiled: May 5, 2020Publication date: November 11, 2021Applicant: Raytheon CompanyInventors: Elicia K. Harper, Christopher M. Laighton, Francois Y. Colomb
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Patent number: 11146223Abstract: A power amplifier having: a plurality of N amplifier modules, where N is an integer greater than one; an M:N power splitter having M inputs, where M is an integer less than N, and N outputs, each one of the N outputs being coupled to an input of a corresponding one of the plurality of N power amplifiers; a plurality of M delay lines, each one the M delay lines having an output coupled to a corresponding one of the M inputs of the M:N power splitter, each one of the plurality of M delay lines being coupled to a common input of the power amplifier.Type: GrantFiled: July 1, 2019Date of Patent: October 12, 2021Assignee: RAYTHEON COMPANYInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20210259095Abstract: A radio frequency (RF) energy transmission line transition for coupling RF energy between a pair of RF transmission line sections disposed on intersecting surfaces of a corresponding one of a pair of conductive members, a first one of the pair of conductive members having a wall with a jog therein for receiving an end portion of a second one of the pair of conductive members, the end portion of an electrically conductive strip of the first one of the pair of radio frequency transmission line sections being disposed on, and electrically connected to, an electrically conductive strip of a second one of the pair of radio frequency transmission line sections.Type: ApplicationFiled: February 19, 2020Publication date: August 19, 2021Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20210006213Abstract: A power amplifier having: a plurality of N amplifier modules, where N is an integer greater than one; an M:N power splitter having M inputs, where M is an integer less than N, and N outputs, each one of the N outputs being coupled to an input of a corresponding one of the plurality of N power amplifiers; a plurality of M delay lines, each one the M delay lines having an output coupled to a corresponding one of the M inputs of the M:N power splitter, each one of the plurality of M delay lines being coupled to a common input of the power amplifier.Type: ApplicationFiled: July 1, 2019Publication date: January 7, 2021Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20200343616Abstract: A first RF module has a port, such port having a first signal conductor and a first ground plane conductor. A second RF module has a port spaced from the port of the first RF module and having a second signal conductor and a second ground plane conductor. A ground bridging conductor, bridging a space between the ports of the first and second RF modules, has a first end connected to the first ground plane conductor and a second end connected to the second ground plane conductor. A signal bridging conductor, bridging the space between ports of the first and second RF modules has a first end connected to the first signal conductor and second end connected to the second signal conductor. A capacitor is connected between the ground plane bridging conductor and one of the first ground plane conductor and the second ground plane conductor.Type: ApplicationFiled: April 24, 2019Publication date: October 29, 2020Applicant: Raytheon CompanyInventors: Elicia K. Harper, Christopher M. Laighton, Michael T. Borkowski
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Patent number: 10709011Abstract: An electrically conductive shield for a microwave transmission line-electrical connector interconnect region wherein the microwave transmission line is connected to the electrical connector. An elastic, dielectric material is disposed between opposing surfaces of the dielectric structure and the housing. An electrically conductive material is disposed on an outer surface of the elastic, dielectric material to provide an electrically conductive shield. The electrically conductive shield is disposed over the opposing surfaces of the dielectric structure and the housing.Type: GrantFiled: January 31, 2018Date of Patent: July 7, 2020Assignee: Raytheon CompanyInventors: Susan C. Trulli, Christopher M. Laighton, Elicia K. Harper
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Patent number: 10511076Abstract: An RF coupler having: a pair of input ports; a pair of output ports; and a coupling region for coupling: a portion of an input signal at a first one of the input ports to first of the pair of output ports and another portion of the input signal fed to the first one of the input ports a second one of the output ports; and one portion of an input signal fed to a second one of the input ports to the second of the pair of output ports and another portion of the input signals fed to the second one of the input ports to the second one of the output ports. The coupling region comprises a plurality of serially connected, vertically stacked, coupling sections. Each one of a plurality of electrically conductive layers is disposed between a pair of the vertically stacked coupling sections.Type: GrantFiled: September 1, 2017Date of Patent: December 17, 2019Assignee: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Patent number: 10374280Abstract: A quadrature coupler having: a pair of overlying strip conductors separated by a first dielectric layer to provide a coupling region between the coupling region of overlying strip conductors; a pair of opposing ground pads, the coupling region being disposed between the pair of opposing ground pads; a second dielectric layer disposed over the coupling region and between the pair of opposing ground pads; and an electrically conductive shield layer disposed over the second dielectric layer, extending over opposing sides of the dielectric layer and onto the pair of opposing ground pads. Portions of coupler are formed by printing or additive manufacturing.Type: GrantFiled: June 13, 2017Date of Patent: August 6, 2019Assignee: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20190239340Abstract: An electrically conductive shield for a microwave transmission line-electrical connector interconnect region wherein the microwave transmission line is connected to the electrical connector. An elastic, dielectric material is disposed between opposing surfaces of the dielectric structure and the housing. An electrically conductive material is disposed on an outer surface of the elastic, dielectric material to provide an electrically conductive shield. The electrically conductive shield is disposed over the opposing surfaces of the dielectric structure and the housing.Type: ApplicationFiled: January 31, 2018Publication date: August 1, 2019Applicant: Raytheon CompanyInventors: Susan C. Trulli, Christopher M. Laighton, Elicia K. Harper
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Patent number: 10321555Abstract: An RF circuit module having RF and DC contacts on a surface of a circuit board. An RF component having RF and DC contacts is disposed in a cavity of the circuit board. Electrical connectors bridge the cavity to connect the RF contacts on the circuit board to the RF contacts on the RE component and the DC, contacts on the circuit board to the DC contacts on the RF component. A plug member is disposed in the cavity which has a dielectric member with an outer portion disposed over the RF and DC contacts on the circuit board and an inner portion elevated above the RF and DC contacts the RF component. The plug member has one portion of electrical conductors disposed on an upper surface of the inner portion and another portion disposed under the outer portion on, and electrically connected to, the DC contacts on the circuit board.Type: GrantFiled: September 4, 2018Date of Patent: June 11, 2019Assignee: Raytheon CompanyInventors: Susan C. Trulli, Christopher M. Laighton, Elicia K. Harper
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Patent number: 10243246Abstract: A phase shifter is formed by providing a branchline coupler having a pair of phase adjusting sections. Each one of the phase adjusting sections is coupled to a corresponding one of a pair of shunt transmission line sections of the branchline coupler. Each one of the pair of phase adjusting sections includes: first and second conductive pads are disposed on the surface of a substrate having a gap between them; one of the pads being connected to a ground plane conductor on a bottom surface of the substrate. A series of conductive layer segment is sequentially written on the surface of the substrate in the gap electrically connected to sidewalls of the first and second pads. Phase shift through the phase shifter is measured after each one of the segments is written. The writing process is terminated when the measuring detects a predetermined phase shift through the phase shifter.Type: GrantFiled: July 26, 2017Date of Patent: March 26, 2019Assignee: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20190074567Abstract: An RF coupler having: a pair of input ports; a pair of output ports; and a coupling region for coupling: a portion of an input signal at a first one of the input ports to first of the pair of output ports and another portion of the input signal fed to the first one of the input ports a second one of the output ports; and one portion of an input signal fed to a second one of the input ports to the second of the pair of output ports and another portion of the input signals fed to the second one of the input ports to the second one of the output ports. The coupling region comprises a plurality of serially connected, vertically stacked, coupling sections. Each one of a plurality of electrically conductive layers is disposed between a pair of the vertically stacked coupling sections.Type: ApplicationFiled: September 1, 2017Publication date: March 7, 2019Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Patent number: 10218045Abstract: A microwave transmission line structure having a pair of ground strip conductors on a surface of a dielectric substrate structure. A signal strip conductor is disposed on the surface of the dielectric substrate structure between the pair of ground strip conductors. A solid dielectric layer is disposed over: the signal strip conductor; the upper surface of the dielectric substrate structure between sides of each one of the ground strip conductors; and the signal strip conductor. An electrically conductive shield member is disposed on the solid dielectric layer and on, and in direct contact with, upper surfaces of the pair of ground strip conductors. The structure is used on each one of a plurality of proximate microwave transmission lines formed on the substrate structure to electrically isolate the transmission line.Type: GrantFiled: June 7, 2017Date of Patent: February 26, 2019Assignee: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20190036189Abstract: A phase shifter is formed by providing a branchline coupler having a pair of phase adjusting sections. Each one of the phase adjusting sections is coupled to a corresponding one of a pair of shunt transmission line sections of the branchline coupler. Each one of the pair of phase adjusting sections includes: first and second conductive pads are disposed on the surface of a substrate having a gap between them; one of the pads being connected to a ground plane conductor on a bottom surface of the substrate. A series of conductive layer segment is sequentially written on the surface of the substrate in the gap electrically connected to sidewalls of the first and second pads. Phase shift through the phase shifter is measured after each one of the segments is written. The writing process is terminated when the measuring detects a predetermined phase shift through the phase shift through the phase shifter.Type: ApplicationFiled: July 26, 2017Publication date: January 31, 2019Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20180358676Abstract: A quadrature coupler having: a pair of overlying strip conductors separated by a first dielectric layer to provide a coupling region between the coupling region of overlying strip conductors; a pair of opposing ground pads, the coupling region being disposed between the pair of opposing ground pads; a second dielectric layer disposed over the coupling region and between the pair of opposing ground pads; and an electrically conductive shield layer disposed over the second dielectric layer, extending over opposing sides of the dielectric layer and onto the pair of opposing ground pads. Portions of coupler are formed by printing or additive manufacturing.Type: ApplicationFiled: June 13, 2017Publication date: December 13, 2018Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Publication number: 20180358675Abstract: A microwave transmission line structure having a pair of ground strip conductors on a surface of a dielectric substrate structure. A signal strip conductor is disposed on the surface of the dielectric substrate structure between the pair of ground strip conductors. A solid dielectric layer is disposed over: the signal strip conductor; the upper surface of the dielectric substrate structure between sides of each one of the ground strip conductors; and the signal strip conductor. An electrically conductive shield member is disposed on the solid dielectric layer and on, and in direct contact with, upper surfaces of the pair of ground strip conductors. The structure is used on each one of a plurality of proximate microwave transmission lines formed on the substrate structure to electrically isolate the transmission line.Type: ApplicationFiled: June 7, 2017Publication date: December 13, 2018Applicant: Raytheon CompanyInventors: Christopher M. Laighton, Susan C. Trulli, Elicia K. Harper
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Patent number: 9978698Abstract: A structure having pair of structure members separated by a gap and an interconnect structure member disposed in the gap. The interconnect structure member includes: a fill-structure having opposing sides in direct contact with the opposing sides of the first structure member and the second structure member; and, an interconnecting microwave transmission line disposed on the fill-structure electrically interconnecting the microwave transmission line of the first structure member to the second member structure. An electrically conductive member is disposed over a signal line of, and electrically connected to the ground conductor the interconnecting microwave transmission.Type: GrantFiled: January 25, 2017Date of Patent: May 22, 2018Assignee: Raytheon CompanyInventors: Susan C. Trulli, Christopher M. Laighton, Elicia K. Harper