Patents by Inventor Douglas B. Gundel
Douglas B. Gundel 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: 20200219636Abstract: A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is ?1, the center-to-center spacing of the insulated conductors of the second conductor set is ?2, and ?1/?2 is greater than 0.7.Type: ApplicationFiled: March 11, 2020Publication date: July 9, 2020Inventors: Douglas B. Gundel, Rocky D. Edwards, Mark M. Lettang, Charles F. Staley
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Patent number: 10665366Abstract: Ribbon cables including a plurality of spaced apart substantially parallel conductors extending along a length of the cable and arranged along a width of the cable, and first and second insulative layers disposed on opposite sides of and substantially coextensive with the plurality of conductors along the length and width of the cable are described. Each insulative layer may be adhered to the conductors and may include alternating substantially parallel thicker and thinner portions extending along the length of the cable. The thicker portions of the first and second insulative layers are substantially aligned in one to one correspondence. Each corresponding thicker portion of the first and second insulative layers have at least one conductor in the plurality of conductors disposed therebetween. The thicker portions may have an effective dielectric constant less than 2.Type: GrantFiled: November 6, 2018Date of Patent: May 26, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Douglas B. Gundel
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Publication number: 20200161023Abstract: A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.Type: ApplicationFiled: January 22, 2020Publication date: May 21, 2020Inventor: Douglas B. Gundel
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Patent number: 10658093Abstract: A cable includes one or more conductor sets, one or more dielectric unitary blocks or reservoirs, first and second conductive shielding films disposed on opposite first and second sides of the conductor sets and the dielectric blocks or reservoirs, and an adhesive layer. The shielding films include cover portions and pinched portions arranged such that, in cross-section, the cover portions of the shielding films in combination substantially surround each conductor set and each unitary block or reservoir, and the pinched portions of the shielding films in combination form pinched portions of the cable on each side of the conductor set and on at least one side of the unitary block or the reservoir. The adhesive layer bonds the first shielding film to the second shielding film in the pinched portions of the cable.Type: GrantFiled: October 7, 2019Date of Patent: May 19, 2020Assignee: 3M Innovative Properties CompanyInventors: Douglas B. Gundel, Rocky D. Edwards
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Patent number: 10629329Abstract: A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is ?1, the center-to-center spacing of the insulated conductors of the second conductor set is ?2, and ?1/?2 is greater than 0.7.Type: GrantFiled: May 29, 2019Date of Patent: April 21, 2020Assignee: 3M Innovative Properties CompanyInventors: Douglas B. Gundel, Rocky D. Edwards, Mark M. Lettang, Charles F. Staley
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Patent number: 10573432Abstract: A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.Type: GrantFiled: May 29, 2019Date of Patent: February 25, 2020Assignee: 3M Innovative Properties CompanyInventor: Douglas B. Gundel
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Patent number: 10573427Abstract: An electrical ribbon cable includes at least one conductor set having at least two elongated conductors extending from end-to-end of the cable. Each of the conductors are encompassed along a length of the cable by respective first dielectrics. A first and second film extend from end-to-end of the cable and are disposed on opposite sides of the cable The conductors are fixably coupled to the first and second films such that a consistent spacing is maintained between the first dielectrics of the conductors of each conductor set along the length of the cable. A second dielectric disposed within the spacing between the first dielectrics of the wires of each conductor set.Type: GrantFiled: February 10, 2017Date of Patent: February 25, 2020Assignee: 3M Innovative Properties CompanyInventor: Douglas B. Gundel
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Patent number: 10553331Abstract: A cable includes one or more conductor sets, one or more dielectric unitary blocks or reservoirs, first and second conductive shielding films disposed on opposite first and second sides of the conductor sets and the dielectric blocks or reservoirs, and an adhesive layer. The shielding films include cover portions and pinched portions arranged such that, in cross-section, the cover portions of the shielding films in combination substantially surround each conductor set and each unitary block or reservoir, and the pinched portions of the shielding films in combination form pinched portions of the cable on each side of the conductor set and on at least one side of the unitary block or the reservoir. The adhesive layer bonds the first shielding film to the second shielding film in the pinched portions of the cable.Type: GrantFiled: November 28, 2018Date of Patent: February 4, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Douglas B. Gundel, Rocky D. Edwards
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Publication number: 20200035378Abstract: A cable includes one or more conductor sets, one or more dielectric unitary blocks or reservoirs, first and second conductive shielding films disposed on opposite first and second sides of the conductor sets and the dielectric blocks or reservoirs, and an adhesive layer. The shielding films include cover portions and pinched portions arranged such that, in cross-section, the cover portions of the shielding films in combination substantially surround each conductor set and each unitary block or reservoir, and the pinched portions of the shielding films in combination form pinched portions of the cable on each side of the conductor set and on at least one side of the unitary block or the reservoir. The adhesive layer bonds the first shielding film to the second shielding film in the pinched portions of the cable.Type: ApplicationFiled: October 7, 2019Publication date: January 30, 2020Inventors: Douglas B. Gundel, Rocky D. Edwards
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Patent number: 10510467Abstract: Shielded cables (200) are described. More specifically, shielded cables (200) that include a plurality of separate individual conductor sets (210) are described. The individual conductor sets (210) include two or more insulated conductors, first and second conductive shielding films, and an insulating jacket surrounding the plurality of conductor sets. A variety of potential cable shapes and configurations are also described.Type: GrantFiled: December 2, 2013Date of Patent: December 17, 2019Assignee: 3M Innovative Properties CompanyInventor: Douglas B. Gundel
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Publication number: 20190349727Abstract: A wireless sensor communication system for an enclosure includes a communication gateway and communication nodes within the enclosure. Each communication node includes a processor, a sensor, and a communication module. Each of the communication nodes is configured to wirelessly transmit information within the enclosure to another one of the communication nodes, and at least one of the communication nodes has an obstruction with the communication gateway impeding direct wireless communication with it. The communication nodes are configured to aggregate information received from obstructed communication nodes and wirelessly transmit the aggregated information. The aggregation of information for transmission provides for hopping communication to send sensor data or other information from the obstructed communication nodes to the communication gateway via other communication nodes.Type: ApplicationFiled: January 4, 2018Publication date: November 14, 2019Inventors: Douglas B. Gundel, Ernesto M. Rodriguez, Jr.
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Patent number: 10454181Abstract: Techniques are described for a lens containing high dielectric resonators. In one example, a lens comprises a substrate for propagating an electromagnetic wave and a plurality of resonators dispersed throughout the substrate. Each of the plurality of resonators has a diameter selected based at least in part on a wavelength of the electromagnetic wave and is formed of a dielectric material having a resonance frequency selected based at least in part on a frequency of the electromagnetic wave. Each of the plurality of resonators also has a relative permittivity that is greater than a relative permittivity of the substrate. At least two of the plurality of resonators are spaced within the substrate according to a lattice constant that defines a distance between a center of a first one of the resonators and a center of a neighboring second one of the resonators.Type: GrantFiled: January 13, 2015Date of Patent: October 22, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jaewon Kim, Douglas B. Gundel, Ronald D. Jesme, Justin M. Johnson
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Publication number: 20190318848Abstract: A shielded electrical cable includes conductor sets extending along a length of the cable and spaced apart from each other along a width of the cable. First and second shielding films are disposed on opposite sides of the cable and include cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the films in combination substantially surround each conductor set. An adhesive layer bonds the shielding films together in the pinched portions of the cable. A transverse bending of the cable at a cable location of no more than 180 degrees over an inner radius of at most 2 mm causes a cable impedance of the selected insulated conductor proximate the cable location to vary by no more than 2 percent from an initial cable impedance measured at the cable location in an unbent configuration.Type: ApplicationFiled: May 29, 2019Publication date: October 17, 2019Inventor: Douglas B. Gundel
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Patent number: 10448547Abstract: A shielded electrical cable includes a conductor set and two generally parallel shielding films disposed around the conductor set. The conductor set includes one or more substantially parallel longitudinal insulated conductors. The shielding films include a parallel portion wherein the shielding films are substantially parallel. The parallel portion is configured to electrically isolate the conductor set.Type: GrantFiled: September 5, 2018Date of Patent: October 15, 2019Assignee: 3M Innovative Properties CompanyInventor: Douglas B. Gundel
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Publication number: 20190311820Abstract: A shielded electrical ribbon cable includes adjacent first and second longitudinal conductor sets where each conductor set includes two or more insulated conductors. The first conductor set also includes a ground conductor that generally lies in the plane of the insulated conductors of the first conductor set. At least 90% of the periphery of each conductor set is encompassed by a shielding film. First and second non-conductive polymeric films are disposed on opposite sides of the cable and form cover portions substantially surrounding each conductor set, and pinched portions on each side of each conductor set. When the cable is laid flat, the distance between the center of the ground conductor of the first conductor set and the center of the nearest insulated conductor of the second conductor set is ?1, the center-to-center spacing of the insulated conductors of the second conductor set is ?2, and ?1/?2 is greater than 0.7.Type: ApplicationFiled: May 29, 2019Publication date: October 10, 2019Inventors: Douglas B. Gundel, Rocky D. Edwards, Mark M. Lettang, Charles F. Staley
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Patent number: 10438725Abstract: A shielded electrical cable includes one or more conductor sets extending along a length of the cable and being spaced apart from each other along a width of the cable. Each conductor set has one or more conductors having a size no greater than 24 AWG and each conductor set has an insertion loss of less than about ?20 dB/meter over a frequency range of 0 to 20 GHz. First and second shielding films are disposed on opposite sides of the cable, the first and second films including cover portions and pinched portions arranged such that, in transverse cross section, the cover portions of the first and second films in combination substantially surround each conductor set, and the pinched portions of the first and second films in combination form pinched portions of the cable on each side of each conductor.Type: GrantFiled: February 28, 2019Date of Patent: October 8, 2019Assignee: 3M Innovative Properties CompanyInventor: Douglas B. Gundel
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Publication number: 20190287698Abstract: The present invention relates to a high speed transmission cable that includes a first conductor set, a dielectric film at least partially concentrically disposed around the first conductor set and a pinched portion forming an insulating envelope around the first conductor set. The dielectric film includes a base layer having a plurality of first protrusions formed on a first major surface of the base layer, wherein the dielectric film is disposed such that the base layer is partially concentric with the conductor set and wherein a portion of the first protrusions is disposed between the first conductor set and the base layer in a region where the base layer is concentric with the first conductor set.Type: ApplicationFiled: June 3, 2019Publication date: September 19, 2019Inventor: Douglas B. Gundel
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Patent number: 10418152Abstract: An electrical ribbon cable includes an insulated conductor extending along a longitudinal axis of the cable. The cable also includes a shielding film that carries the insulated conductor. The shielding film has a variable thickness defining a thickened rib portion and a thinned connecting portion, these portions being electrically conductive and extending along the longitudinal axis. The insulated conductor is disposed proximate the rib portion. The insulated conductor may be one of multiple insulated conductors that are organized into multiple conductor sets including at least a first and second conductor set, each conductor set including one or more of the insulated conductors, and the rib portion may be disposed between the first and second conductor sets.Type: GrantFiled: September 18, 2017Date of Patent: September 17, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Douglas B. Gundel
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Patent number: 10373734Abstract: An electrical ribbon cable includes at least one conductor set having at least two elongated conductors extending from end-to-end of the cable. Each of the conductors are encompassed along a length of the cable by respective first dielectrics. A first and second film extend from end-to-end of the cable and are disposed on opposite sides of the cable The conductors are fixably coupled to the first and second films such that a consistent spacing is maintained between the first dielectrics of the conductors of each conductor set along the length of the cable. A second dielectric disposed within the spacing between the first dielectrics of the wires of each conductor set.Type: GrantFiled: February 21, 2017Date of Patent: August 6, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Douglas B. Gundel
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Patent number: 10366810Abstract: An edge insulated electrical cable includes an electrical cable and an edge insulation structure applied to the electrical cable at the location. A die assembly for applying edge coating to a film is also described.Type: GrantFiled: November 28, 2018Date of Patent: July 30, 2019Assignee: 3M Innovative Properties CompanyInventors: Douglas B. Gundel, Rocky D. Edwards, David L. Kordecki