Patents by Inventor Dan FLEANCU
Dan FLEANCU 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: 12334645Abstract: A dual-polarized radiator arrangement (1) comprises four radiator segments (4a, 4b, 4c, 4d) and a reflector arrangement (2). The radiator segments (4a, 4b, 4c, 4d) are arranged such that they form a square arrangement. Each radiator segment (4a, 4b, 4c, 4d) comprises a minor radiating surface (5) having a first and a second end (5a, 5b) and a feeding assembly (9). Each radiator segment (4a, 4b, 4c, 4d) comprises a first and a second main radiating surface (8a, 8b) arranged in the area of the first end (5a) and the second end (5b) of the minor radiating surface (5) and miming in the direction of the reflector arrangement (2). The first and second main radiating surfaces (8a, 8b) protrude beyond the respective first and second ends (5a, 5b) of the minor radiating surface (5) in the longitudinal direction (6a) of the minor radiating surface (5).Type: GrantFiled: October 15, 2020Date of Patent: June 17, 2025Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Andreas Vollmer, Dan Fleancu
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Publication number: 20240055780Abstract: Dipole radiator comprising a first and second carrier and a signal feeding structure. The first and second carriers comprise a sup-port sections with a first and second end and a wing sections. The support sections of the first and second carriers each comprise an inner side which face each other and an opposite outer side. The signal feeding structure comprises a feed section, a connecting section and an end section. The feed section runs along the inner side of the support section goes into the connection section which goes into the end section. The end section runs along the out-er side of the support section of the second carrier.Type: ApplicationFiled: March 8, 2021Publication date: February 15, 2024Inventors: Andreas Vollmer, Dan Fleancu
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Publication number: 20230395998Abstract: A dual-polarized radiator arrangement (1) comprises four radiator segments (4a, 4b, 4c, 4d) and a reflector arrangement (2). The radiator segments (4a, 4b, 4c, 4d) are arranged such that they form a square arrangement. Each radiator segment (4a, 4b, 4c, 4d) comprises a minor radiating surface (5) having a first and a second end (5a, 5b) and a feeding assembly (9). Each radiator segment (4a, 4b, 4c, 4d) comprises a first and a second main radiating surface (8a, 8b) arranged in the area of the first end (5a) and the second end (5b) of the minor radiating surface (5) and miming in the direction of the reflector arrangement (2). The first and second main radiating surfaces (8a, 8b) protrude beyond the respective first and second ends (5a, 5b) of the minor radiating surface (5) in the longitudinal direction (6a) of the minor radiating surface (5).Type: ApplicationFiled: October 15, 2020Publication date: December 7, 2023Applicant: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas VOLLMER, Dan FLEANCU
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Patent number: 11817631Abstract: An antenna arrangement comprises a dual-polarised turnstile antenna, which comprises a first and a second dipole antenna element, which are aligned perpendicular to one another. The first and second dipole antenna elements each comprises two dipole halves. The dipole halves of both dipole antenna elements comprise a dipole section and a coupling section, which are galvanically connected to each other and to a first end of a ground connection medium or a signal connection medium. The coupling sections each extend along the closest dipole section of the adjacent other first and/or second dipole antenna element, wherein a spacing gap is formed between a coupling side of the respective coupling section of the first and/or second dipole antenna element and the respective adjacent dipole section of the second and/or dipole antenna element.Type: GrantFiled: March 20, 2020Date of Patent: November 14, 2023Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Dan Fleancu, Andreas Vollmer, Wolfgang Heyde
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Publication number: 20220200168Abstract: An antenna arrangement comprises a dual-polarised turnstile antenna, which comprises a first and a second dipole antenna element, which are aligned perpendicular to one another. The first and second dipole antenna elements each comprises two dipole halves. The dipole halves of both dipole antenna elements comprise a dipole section and a coupling section, which are galvanically connected to each other and to a first end of a ground connection medium or a signal connection medium. The coupling sections each extend along the closest dipole section of the adjacent other first and/or second dipole antenna element, wherein a spacing gap is formed between a coupling side of the respective coupling section of the first and/or second dipole antenna element and the respective adjacent dipole section of the second and/or dipole antenna element.Type: ApplicationFiled: March 20, 2020Publication date: June 23, 2022Inventors: Dan Fleancu, Andreas Vollmer, Wolfgang Heyde
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Patent number: 11289796Abstract: The present invention relates to a circuit board arrangement including a circuit board, whose metallization comprises at least one coplanar stripline for supplying signals to a radiator, in particular a mobile communication radiator. In this circuit board arrangement, the circuit board comprises a field converter, which is electrically connected to the coplanar stripline and which conducts a coaxial field through at least one layer of the circuit board and converts it into the coplanar stripline field of the coplanar stripline.Type: GrantFiled: June 6, 2017Date of Patent: March 29, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Vollmer, Dan Fleancu
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Dual-polarized crossed dipole and antenna arrangement having two such dual-polarized crossed dipoles
Patent number: 11217905Abstract: A dual-polarized crossed dipole (1) comprises a first and a second dipole antenna element (2, 3). Each dipole antenna element (2, 3) comprises two dipole halves (2a, 2b, 3a, 3b), each having an earth connector (4, 8), a signal connector (6, 10), a dipole earth wing (5, 9) and a dipole signal wing (7, 11). The signal connector (6) of the first dipole antenna element (2) runs parallel to the earth connector (4) of the first dipole antenna element (2), and the signal connector (10) of the second dipole antenna element (3) runs parallel to the earth connector (8) of the second dipole antenna element (3). The dipole signal wing (7) and the dipole earth wing (5) of the first dipole antenna element (2) run in opposite directions. The same applies to the dipole signal wing (11) and the dipole earth wing (9) of the second dipole antenna element (3). Each dipole half (2a, 2b, 3a, 3b) is of single-part design in each case.Type: GrantFiled: June 8, 2018Date of Patent: January 4, 2022Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Dan Fleancu, Andreas Vollmer -
Patent number: 11196178Abstract: Disclosed is a dual polarized horn radiator, in particular for a cellular radio base station, having a first polarization and a second polarization that are fed separately via a first hollow waveguide and a second hollow waveguide. In a first aspect one of the hollow waveguides runs in the direction of beam to its opening into the horn radiator and in so doing has a cross-section that extends in projection onto the aperture plane partially within and partially outside the aperture opening of the horn radiator. In a second aspect the two hollow waveguides run in the direction of beam to their openings into the horn radiator, with at least one of the hollow waveguides having a transformation section by which its polarization in the aperture plane is rotated with respect to the other hollow waveguide before it opens into the horn radiator.Type: GrantFiled: December 1, 2017Date of Patent: December 7, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Dan Fleancu, Andreas Vollmer
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Patent number: 11081800Abstract: The present disclosure relates to a dual-polarized antenna comprising a dipole radiator, a resonant cavity radiator and a reflector. The resonant cavity radiator is arranged below the reflector and radiates through a slot in the reflector, and the dipole radiator is arranged above the reflector, with a signal line and/or a carrier of the dipole radiator extending through the slot.Type: GrantFiled: February 3, 2017Date of Patent: August 3, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Vollmer, Maximilian Goettl, Dan Fleancu
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Patent number: 10985439Abstract: A retaining and/or fastening frame (10) which is formed on or in a mobile-communications antenna (1) and/or on or in an electronic and/or filter module (4), or which can be fastened thereon, comprises a frame carrier (11) which is, or can be, fastened for example on a mobile-communications antenna (1). A movable plug-connector-receiving sleeve (12) comprises a housing wall (14), encircling a longitudinal axis (13) of the movable plug-connector-receiving sleeve (12) at least in part, and has two end sides (12a, 12b) located opposite one another. The encircling housing wall (14) surrounds an accommodating space (15), in which an antenna-side plug connector (9a) is, or can be, arranged. A connection port (6a) and/or a module-side plug connector (7a) of an electronic and/or filter module (4) can be introduced into the accommodating space (15).Type: GrantFiled: August 22, 2017Date of Patent: April 20, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Dan Fleancu, Maximilian Göttl
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DUAL-POLARISED CROSSED DIPOLE AND ANTENNA ARRANGEMENT HAVING TWO SUCH DUAL-POLARISED CROSSED DIPOLES
Publication number: 20200106195Abstract: A dual-polarized crossed dipole (1) comprises a first and a second dipole antenna element (2, 3). Each dipole antenna element (2, 3) comprises two dipole halves (2a, 2b, 3a, 3b), each having an earth connector (4, 8), a signal connector (6, 10), a dipole earth wing (5, 9) and a dipole signal wing (7, 11). The signal connector (6) of the first dipole antenna element (2) runs parallel to the earth connector (4) of the first dipole antenna element (2), and the signal connector (10) of the second dipole antenna element (3) runs parallel to the earth connector (8) of the second dipole antenna element (3). The dipole signal wing (7) and the dipole earth wing (5) of the first dipole antenna element (2) run in opposite directions. The same applies to the dipole signal wing (11) and the dipole earth wing (9) of the second dipole antenna element (3). Each dipole half (2a, 2b, 3a, 3b) is of single-part design in each case.Type: ApplicationFiled: June 28, 2018Publication date: April 2, 2020Inventors: Dan FLEANCU, Andreas VOLLMER -
Publication number: 20200006863Abstract: Disclosed is a dual polarized horn radiator, in particular for a cellular radio base station, having a first polarization and a second polarization that are fed separately via a first hollow waveguide and a second hollow waveguide. In a first aspect one of the hollow waveguides runs in the direction of beam to its opening into the horn radiator and in so doing has a cross-section that extends in projection onto the aperture plane partially within and partially outside the aperture opening of the horn radiator. In a second aspect the two hollow waveguides run in the direction of beam to their openings into the horn radiator, with at least one of the hollow waveguides having a transformation section by which its polarization in the aperture plane is rotated with respect to the other hollow waveguide before it opens into the horn radiator.Type: ApplicationFiled: December 1, 2017Publication date: January 2, 2020Inventors: Dan FLEANCU, Andreas VOLLMER
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Publication number: 20190221918Abstract: The present invention relates to a circuit board arrangement including a circuit board, whose metallization comprises at least one coplanar stripline for supplying signals to a radiator, in particular a mobile communication radiator. In this circuit board arrangement, the circuit board comprises a field converter, which is electrically connected to the coplanar stripline and which conducts a coaxial field through at least one layer of the circuit board and converts it into the coplanar stripline field of the coplanar stripline.Type: ApplicationFiled: June 6, 2017Publication date: July 18, 2019Inventors: Andreas VOLLMER, Dan FLEANCU
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Publication number: 20190207293Abstract: A retaining and/or fastening frame (10) which is formed on or in a mobile-communications antenna (1) and/or on or in an electronic and/or filter module (4), or which can be fastened thereon, comprises a frame carrier (11) which is, or can be, fastened for example on a mobile-communications antenna (1). A movable plug-connector-receiving sleeve (12) comprises a housing wall (14), encircling a longitudinal axis (13) of the movable plug-connector-receiving sleeve (12) at least in part, and has two end sides (12a, 12b) located opposite one another. The encircling housing wall (14) surrounds an accommodating space (15), in which an antenna-side plug connector (9a) is, or can be, arranged. A connection port (6a) and/or a module-side plug connector (7a) of an electronic and/or filter module (4) can be introduced into the accommodating space (15).Type: ApplicationFiled: August 22, 2017Publication date: July 4, 2019Inventors: Dan FLEANCU, Maximilian GÖTTL
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Patent number: 10297891Abstract: The present disclosure shows a high-frequency phase shifter assembly having at least two high-frequency phase shifters stacked above one another which are arranged in at least one housing, wherein at least one housing plate is provided between the high-frequency phase shifters in the stack; and wherein the high-frequency phase shifters each have a rotatably supported pick-up element which is electrically coupled to a feed line via a coupling point arranged in the region of its rotary axle; and wherein the pick-up elements of the high-frequency phase shifters are mechanically coupled for the synchronous adjustment of the high-frequency phase shifters. Provision is made in this respect that the mechanical coupling of the pick-up elements of the high-frequency phase shifters takes place via a coupling arrangement spaced apart from the rotary axles of the pick-up elements.Type: GrantFiled: March 14, 2016Date of Patent: May 21, 2019Assignee: KATHREIN SEInventors: Dan Fleancu, Joerg Langenberg, Michael Thunn
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Patent number: 10186748Abstract: An improved mobile radio antenna suited to radio-frequency connections has a base module that comprises a plurality of mounting sections that each contain an internally threaded hole. An attachment module has mounting sections with through-holes made therein. Spacers are used between the base module and the attachment module. An undercut is provided in the through-hole in the attachment module such that the diameter of the through-hole merges into the undercut with a greater diameter in the plug-in direction, or is provided in a second electrically conductive spacer that is positioned on the attachment module on the side that is opposite the first spacer, the second spacer having a spacer hole with an undercut that broadens in the plug-in direction.Type: GrantFiled: May 7, 2015Date of Patent: January 22, 2019Assignee: Kathrein SEInventors: Dan Fleancu, Manfred Stolle
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Publication number: 20170077587Abstract: An improved mobile radio antenna suited to radio-frequency connections has a base module that comprises a plurality of mounting sections that each contain an internally threaded hole. An attachment module has mounting sections with through-holes made therein. Spacers are used between the base module and the attachment module. An undercut is provided in the through-hole in the attachment module such that the diameter of the through-hole merges into the undercut with a greater diameter in the plug-in direction, or is provided in a second electrically conductive spacer that is positioned on the attachment module on the side that is opposite the first spacer, the second spacer having a spacer hole with an undercut that broadens in the plug-in direction.Type: ApplicationFiled: May 7, 2015Publication date: March 16, 2017Inventors: Dan FLEANCU, Manfred STOLLE
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Publication number: 20160276745Abstract: The present disclosure shows a high-frequency phase shifter assembly having at least two high-frequency phase shifters stacked above one another which are arranged in at least one housing, wherein at least one housing plate is provided between the high-frequency phase shifters in the stack; and wherein the high-frequency phase shifters each have a rotatably supported pick-up element which is electrically coupled to a feed line via a coupling point arranged in the region of its rotary axle; and wherein the pick-up elements of the high-frequency phase shifters are mechanically coupled for the synchronous adjustment of the high-frequency phase shifters. Provision is made in this respect that the mechanical coupling of the pick-up elements of the high-frequency phase shifters takes place via a coupling arrangement spaced apart from the rotary axles of the pick-up elements.Type: ApplicationFiled: March 14, 2016Publication date: September 22, 2016Inventors: Dan FLEANCU, Joerg LANGENBERG, Michael THUNN