Patents by Inventor Dan Karlsson
Dan Karlsson 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: 20230318178Abstract: A multi-array antenna arrangement comprising a backplane having a lower end and an upper end defining a height direction therebetween, at least one array comprising low-band radiating elements arranged at the front of the backplane, at least one array comprising mid-band radiating elements arranged at the front of the backplane, at least one array comprising high-band radiating elements arranged at the front of the backplane in the vicinity of the upper end thereof, wherein at least one of the low-band and/or mid-band radiating elements is arranged at equal or higher height than an uppermost of the high-band radiating elements.Type: ApplicationFiled: April 4, 2022Publication date: October 5, 2023Inventors: Dan KARLSSON, Stefan JONSSON, Johan LUNDGREN
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Patent number: 11165166Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: GrantFiled: February 21, 2020Date of Patent: November 2, 2021Assignee: CELLMAX TECHNOLOGIES ABInventors: Niclas J. Yman, Dan Karlsson, Stefan Jonsson
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Publication number: 20210257744Abstract: An antenna arrangement comprising an antenna feeding network, an electrically conductive reflector and at least one radiating element arranged on said reflector is provided. The radiating element a first part made of a first metallic material and a second part being provided in the lower part of the radiating element for connecting the radiating element to the reflector; wherein the second part is made of a second metallic material being different than the first metallic material. There is also provided a radiating element and a method of manufacturing the radiating element.Type: ApplicationFiled: June 5, 2019Publication date: August 19, 2021Inventors: Dan KARLSSON, Stefan JONSSON
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Patent number: 11050161Abstract: An antenna feeding network for a multi-radiator antenna, the antenna feeding network comprising at least two coaxial lines. Each coaxial line comprises a central inner conductor and an elongated outer conductor surrounding the central inner conductor. At least a first inner conductor and a second inner conductor of the at least two coaxial lines are indirectly interconnected.Type: GrantFiled: September 15, 2016Date of Patent: June 29, 2021Assignee: Cellmax Technologies ABInventors: Niclas J. Yman, Stefan Jonsson, Dan Karlsson
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Patent number: 10862221Abstract: An antenna feeding network for a multi radiator antenna is provided. The antenna feeding network comprises at least one coaxial line. Each coaxial line comprises a central inner conductor and an elongated outer conductor surrounding the central inner conductor, wherein at least one of the outer conductors of the coaxial lines is provided with an opening, wherein the antenna feeding network further comprises at least one nonconductive holding element configured to be placed in the opening. The holding element is configured to hold at least one of the inner conductors in position. The invention further relates to a multi radiator antenna comprising such an antenna feeding network, and to a method for providing an electrical connection in such an antenna feeding network.Type: GrantFiled: September 15, 2016Date of Patent: December 8, 2020Assignee: CELLMAX TECHNOLOGIES ABInventors: Niclas J. Yman, Stefan Jonsson, Dan Karlsson, Andreas Nordström
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Patent number: 10826191Abstract: An antenna feeding network for a multi-radiator base station antenna and an antenna arrangement comprising such a feeding network is provided. The feeding network comprises substantially air filled feeding lines and a coaxial connector for an antenna feeder cable, the connector being connected to at least one of the coaxial lines. The substantially air filled feeding lines each have a central inner conductor and an elongated outer conductor surrounding the central inner conductor. The coaxial connector comprises a body having an attachment portion, the attachment portion being attached to, and arranged in abutment with, a portion of at least one outer conductor such that the body connects electrically and mechanically with the outer conductors of the feeding lines.Type: GrantFiled: August 12, 2019Date of Patent: November 3, 2020Assignee: CELLMAX TECHNOLOGIES ABInventors: Dan Karlsson, Niclas Yman, Stefan Jonsson
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Publication number: 20200259262Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: ApplicationFiled: February 21, 2020Publication date: August 13, 2020Inventors: Niclas J. YMAN, Dan KARLSSON, Stefan JONSSON
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Publication number: 20200227834Abstract: An antenna feeding network for a multi-radiator antenna, the antenna feeding network comprising at least two coaxial lines. Each coaxial line comprises a central inner conductor and an elongated outer conductor surrounding the central inner conductor. At least a first inner conductor and a second inner conductor of the at least two coaxial lines are indirectly interconnected.Type: ApplicationFiled: September 15, 2016Publication date: July 16, 2020Inventors: Niclas J. YMAN, Stefan JONSSON, Dan KARLSSON
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Patent number: 10573971Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: GrantFiled: August 19, 2019Date of Patent: February 25, 2020Assignee: CELLMAX TECHNOLOGIES ABInventors: Niclas J. Yman, Dan Karlsson, Stefan Jonsson
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Publication number: 20200044357Abstract: An antenna feeding network for a multi-radiator base station antenna and an antenna arrangement comprising such a feeding network is provided. The feeding network comprises substantially air filled feeding lines and a coaxial connector for an antenna feeder cable, the connector being connected to at least one of the coaxial lines. The substantially air filled feeding lines each have a central inner conductor and an elongated outer conductor surrounding the central inner conductor. The coaxial connector comprises a body having an attachment portion, the attachment portion being attached to, and arranged in abutment with, a portion of at least one outer conductor such that the body connects electrically and mechanically with the outer conductors of the feeding lines.Type: ApplicationFiled: August 12, 2019Publication date: February 6, 2020Inventors: Dan KARLSSON, Niclas YMAN, Stefan JONSSON
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Publication number: 20190372237Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor and an elongated rail element slidably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: ApplicationFiled: August 19, 2019Publication date: December 5, 2019Inventors: Niclas J. YMAN, Dan KARLSSON, Stefan JONSSON
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Patent number: 10424843Abstract: An antenna arrangement comprising an antenna feeding network, an electrically conductive reflector and at least one radiating element arranged on said reflector is provided. The antenna feeding network comprises at least one substantially air filled coaxial line, each coaxial line comprising a central inner conductor and an elongated outer conductor at least partly surrounding the central inner conductor, wherein at least one radiating element and at least one coaxial line are configured to interconnect indirectly.Type: GrantFiled: September 15, 2016Date of Patent: September 24, 2019Assignee: CELLMAX TECHNOLOGIES ABInventors: Niclas J. Yman, Dan Karlsson, Stefan Jonsson
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Patent number: 10389039Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor, and an elongated rail element slideably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: GrantFiled: September 15, 2016Date of Patent: August 20, 2019Assignee: Cellmax Technologies ABInventors: Niclas J. Yman, Dan Karlsson
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Patent number: 10389040Abstract: An antenna feeding network for a multi-radiator antenna, the antenna feeding network comprising at least two coaxial lines, wherein each coaxial line comprises an elongated central inner conductor and an elongated outer conductor surrounding the central inner conductor. At least one connector device is configured to interconnect at least a first inner conductor and a second inner conductor of the central inner conductors. The connector device comprises at least one engaging portion, each being configured to engage with at least one corresponding surface portion formed on the envelope surface of the first or second inner conductor. The envelope surface is furthermore provided with at least one recess provided adjacent at least one surface portion.Type: GrantFiled: June 9, 2017Date of Patent: August 20, 2019Assignee: Cellmax Technologies ABInventor: Dan Karlsson
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Patent number: 10381740Abstract: An antenna feeding network for a multi-radiator base station antenna and an antenna arrangement comprising such a feeding network is provided. The feeding network comprises substantially air filled coaxial lines and a coaxial connector for an antenna feeder cable, the connector being connected to at least one of the coaxial lines. The substantially air filled coaxial lines each have a central inner conductor and an elongated outer conductor surrounding the central inner conductor. The coaxial connector comprises a body having an attachment portion, the attachment portion being attached to, and arranged in abutment with, a portion of at least one outer conductor such that the body connects electrically and mechanically with the outer conductors of the coaxial lines.Type: GrantFiled: February 2, 2017Date of Patent: August 13, 2019Assignee: Cellmax Technologies ABInventors: Dan Karlsson, Niclas Yman, Stefan Jonsson
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Publication number: 20190058261Abstract: An antenna feeding network for a multi radiator antenna is provided. The antenna feeding network comprises at least one coaxial line. Each coaxial line comprises a central inner conductor and an elongated outer conductor surrounding the central inner conductor, wherein at least one of the outer conductors of the coaxial lines is provided with an opening, wherein the antenna feeding network further comprises at least one nonconductive holding element configured to be placed in the opening. The holding element is configured to hold at least one of the inner conductors in position. The invention further relates to a multi radiator antenna comprising such an antenna feeding network, and to a method for providing an electrical connection in such an antenna feeding network.Type: ApplicationFiled: September 15, 2016Publication date: February 21, 2019Inventors: Niclas J. YMAN, Stefan JONSSON, Dan KARLSSON, Andreas NORDSTRÖM
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Publication number: 20190051960Abstract: An antenna feeding network for a multi-radiator antenna, the antenna feeding network comprising at least two coaxial lines, wherein each coaxial line comprises an elongated central inner conductor and an elongated outer conductor surrounding the central inner conductor. At least one connector device is configured to interconnect at least a first inner conductor and a second inner conductor of the central inner conductors. The connector device comprises at least one engaging portion, each being configured to engage with at least one corresponding surface portion formed on the envelope surface of the first or second inner conductor. The envelope surface is furthermore provided with at least one recess provided adjacent at least one surface portion.Type: ApplicationFiled: June 9, 2017Publication date: February 14, 2019Applicant: Cellmax Technologies ABInventor: Dan KARLSSON
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Publication number: 20190051961Abstract: An antenna feeding network for a multi-radiator base station antenna and an antenna arrangement comprising such a feeding network is provided. The feeding network comprises substantially air filled coaxial lines and a coaxial connector for an antenna feeder cable, the connector being connected to at least one of the coaxial lines. The substantially air filled coaxial lines each have a central inner conductor and an elongated outer conductor surrounding the central inner conductor. The coaxial connector comprises a body having an attachment portion, the attachment portion being attached to, and arranged in abutment with, a portion of at least one outer conductor such that the body connects electrically and mechanically with the outer conductors of the coaxial lines.Type: ApplicationFiled: February 2, 2017Publication date: February 14, 2019Applicant: Cellmax Technologies ABInventors: Dan KARLSSON, Niclas YMAN, Stefan JONSSON
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Publication number: 20190044226Abstract: An antenna feeding network for a multi-radiator antenna. The feeding network comprises at least one substantially air filled coaxial line, each comprising a central inner conductor, an elongated outer conductor surrounding the central inner conductor, and an elongated rail element slideably movably arranged inside the outer conductor. The rail element is longitudinally movable in relation to at least the outer conductor.Type: ApplicationFiled: September 15, 2016Publication date: February 7, 2019Inventors: Niclas J. YMAN, Dan KARLSSON
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Publication number: 20180277958Abstract: An antenna arrangement comprising an antenna feeding network, an electrically conductive reflector and at least one radiating element arranged on said reflector is provided. The antenna feeding network comprises at least one substantially air filled coaxial line, each coaxial line comprising a central inner conductor and an elongated outer conductor at least partly surrounding the central inner conductor, wherein at least one radiating element and at least one coaxial line are configured to interconnect indirectly.Type: ApplicationFiled: September 15, 2016Publication date: September 27, 2018Applicant: Cellmax Technologies ABInventors: Niclas J. YMAN, Dan KARLSSON, Stefan JONSSON