Patents by Inventor Andreas Vollmer

Andreas Vollmer 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: 20250105508
    Abstract: A multi-band antenna has a first band assembly and at least one second band assembly, wherein the first band assembly comprises a first support and at least one first radiator for frequencies in a first frequency band, wherein the second band assembly comprises a second support and at least one second radiator mounted to the second support for frequencies in a second frequency band, wherein the second support is arranged below the first support, and wherein the at least one second radiator extends through an associated cut-out in the first support and further from the top side of the first support upwards. Further, a mobile communication base station is provided.
    Type: Application
    Filed: August 11, 2021
    Publication date: March 27, 2025
    Inventor: Andreas Vollmer
  • Publication number: 20250062545
    Abstract: An antenna, in particular for a mobile communication cell site, has a radiator and a radiator feed being electrically coupled to the radiator. The radiator is a dual polarized dipole radiator, wherein each dipole is formed of two dipole arms and the dipoles are in a crossed arrangement relative to each other. The radiator feed comprises a feed line for each dipole, a balun for each dipole and a connection port for each dipole arm of the radiator, wherein the radiator feed extends within a single feed plane between the dipole arms, the feed plane intersecting the dipoles in the region of the crossing. Further, a mobile communication cell site is shown.
    Type: Application
    Filed: December 22, 2021
    Publication date: February 20, 2025
    Inventors: Maximilian Obermayer, Andreas Vollmer, Markus Mohr
  • Publication number: 20250015504
    Abstract: An antenna, in particular for a mobile communication cell site, comprises at least one radiator and a radiator feed being electrically coupled to the at least one radiator, the radiator being a dual polarized dipole radiator, wherein each dipole is formed of two dipole arms and the dipoles are in a crossed arrangement relative to each other, wherein the radiator feed comprises a respective feed line for each polarized dipole and extends within a single feed plane between the dipole arms intersecting the dipoles in the region of the crossing. Further, a cell site comprising such antenna is shown.
    Type: Application
    Filed: December 22, 2021
    Publication date: January 9, 2025
    Inventors: Maximilian Obermayer, Andreas Vollmer, Markus Mohr, Anian Kaffl
  • Publication number: 20240387236
    Abstract: The present invention relates generally to a substrate or wafer carrier for use in a system for depositing thin films. A substrate carrier for use in a system for growing epitaxial layers on semiconductor substrates is provided, said substrate carrier being a disk having a first surface side, comprising a plurality areas defined as substrate support areas arranged for accommodating, during use, said semiconductor substrates, and wherein said substrate carrier further comprises a plurality of gas channels, and wherein each of said gas channels consists of a bore hole arranged from a wall surface circumferential of the substrate carrier and provided with a bore hole plug. The bore hole plug comprises a first and a separate second part, wherein at least a section of said first part has a shape mating said bore hole for press fitting at least said section of said first part in said bore hole, and wherein said second part is provided with interlocking means.
    Type: Application
    Filed: September 5, 2022
    Publication date: November 21, 2024
    Inventors: Moritz WIPPERLING, Aslan ANDON, Andreas VOLLMER, Henricus Josephus Maria DE COCQ
  • Publication number: 20240186683
    Abstract: An antenna has a base body and a metallic conductive structure applied to the base body, wherein the base body comprises a flat cover portion and walls extending perpendicularly away from the cover portion. The conductive structure has at least one radiator provided at the cover portion, at least one feeding line for the at least one radiator and at least one ground portion, wherein the feeding line and the ground portion are provided at at least one of the walls. The radiator defines a radiator plane (R) and the feeding lines extend in at least one feeding plane (F), wherein the at least one feeding plane (F) is arranged perpendicularly to the radiator plane (R). Further, an antenna array and a mobile communication base station are shown.
    Type: Application
    Filed: April 20, 2021
    Publication date: June 6, 2024
    Inventors: Martin Güllner, Maximilian Obermayer, Andreas Vollmer
  • Publication number: 20240162627
    Abstract: A mobile communication antenna with at least one dual-polarized radiator comprises a first metal plate arrangement with a first and second side. A first printed circuit board arrangement is provided which is arranged on the second side of the first metal plate arrangement. A first free space formed between the first printed circuit board arrangement and the first metal plate arrangement. The first metal plate arrangement comprises at least one first opening through which a first feed connection of the at least one dual-polarized radiator is passed. The first feed connection is electrically connected to a first signal line on the first printed circuit board arrangement. The first feed connection of the at least one dual-polarized radiator is surrounded by an electrically conductive first shielding in a non-contacting manner.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 16, 2024
    Inventors: Andreas Vollmer, Maximilian Obermayer, Martin Güllner
  • Publication number: 20240055780
    Abstract: 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: Application
    Filed: March 8, 2021
    Publication date: February 15, 2024
    Inventors: Andreas Vollmer, Dan Fleancu
  • Publication number: 20230395998
    Abstract: 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: Application
    Filed: October 15, 2020
    Publication date: December 7, 2023
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Andreas VOLLMER, Dan FLEANCU
  • Patent number: 11817631
    Abstract: 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: Grant
    Filed: March 20, 2020
    Date of Patent: November 14, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dan Fleancu, Andreas Vollmer, Wolfgang Heyde
  • Publication number: 20220200168
    Abstract: 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: Application
    Filed: March 20, 2020
    Publication date: June 23, 2022
    Inventors: Dan Fleancu, Andreas Vollmer, Wolfgang Heyde
  • Patent number: 11362437
    Abstract: The present disclosure relates to an antenna for mobile communication comprising a plurality of first radiators and at least one second radiator, which are disposed on a common reflector plane, the first radiators each including a reflector environment raised relative to the reflector plane, wherein the second radiator is disposed between a plurality of first radiators and is formed by parts of the respective reflector environment of the first radiators surrounding it.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: June 14, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Guenther Piegsa, Andreas Vollmer, Maximilian Goettl
  • Patent number: 11289796
    Abstract: 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: Grant
    Filed: June 6, 2017
    Date of Patent: March 29, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Andreas Vollmer, Dan Fleancu
  • Patent number: 11276931
    Abstract: The invention relates to an antenna device having a printed circuit board and at least one antenna radiator which is arranged on the printed circuit board and can be excited by the printed circuit board or a coupling window arranged thereupon, which radiator is designed in such a manner that it comprises at least two polarisations, which are preferably orthogonal to each other, and at least two resonance frequency ranges which are continuous or different to one another and at an interval from one another, wherein the antenna radiator comprises: at least one first dielectric body mounted on the printed circuit board and designed as a resonator, having a first relative permittivity, at least one second dielectric body designed as, having a second relative permittivity, wherein the first relative permittivity is greater than the second relative permittivity and wherein the second dielectric body is formed in such a manner that it is arranged over the at least one first dielectric body in such a manner that it bu
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: March 15, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Andreas Vollmer, Maximilian Göttl
  • Patent number: 11217905
    Abstract: 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: Grant
    Filed: June 8, 2018
    Date of Patent: January 4, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dan Fleancu, Andreas Vollmer
  • Patent number: 11196178
    Abstract: 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: Grant
    Filed: December 1, 2017
    Date of Patent: December 7, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dan Fleancu, Andreas Vollmer
  • Patent number: 11081800
    Abstract: 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: Grant
    Filed: February 3, 2017
    Date of Patent: August 3, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Andreas Vollmer, Maximilian Goettl, Dan Fleancu
  • Patent number: 11024980
    Abstract: The invention relates to a dual-polarized antenna having four dipole elements which are each provided on an associated support element, wherein a slot extends in the volume of each dipole element and is prolonged from the dipole element into the associated support element.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: June 1, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Andreas Vollmer, Manfred Stolle
  • Patent number: 10727571
    Abstract: The present invention relates to a cellular radio antenna, in particular for a cellular radio base station, having at least one dipole radiator and having a dielectric body that is arranged on the dipole radiator and characterized in that the height H of the dielectric body in the main radiation direction amounts to at least 30% of the maximum thickness D of the dielectric body in a cross-section perpendicular to the main radiation direction.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: July 28, 2020
    Assignee: KATHREIN SE
    Inventors: Andreas Vollmer, Max Goettl
  • Publication number: 20200227827
    Abstract: The invention relates to an antenna device having a printed circuit board and at least one antenna radiator which is arranged on the printed circuit board and can be excited by the printed circuit board or a coupling window arranged thereupon, which radiator is designed in such a manner that it comprises at least two polarisations, which are preferably orthogonal to each other, and at least two resonance frequency ranges which are continuous or different to one another and at an interval from one another, wherein the antenna radiator comprises: at least one first dielectric body mounted on the printed circuit board and designed as a resonator, having a first relative permittivity, at least one second dielectric body designed as, having a second relative permittivity, wherein the first relative permittivity is greater than the second relative permittivity and wherein the second dielectric body is formed in such a manner that it is arranged over the at least one first dielectric body in such a manner that it bu
    Type: Application
    Filed: February 6, 2018
    Publication date: July 16, 2020
    Inventors: Andreas Vollmer, Maximilian Gottl
  • Publication number: 20200106195
    Abstract: 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: Application
    Filed: June 28, 2018
    Publication date: April 2, 2020
    Inventors: Dan FLEANCU, Andreas VOLLMER