Patents Assigned to Saab AB
  • Patent number: 10784588
    Abstract: The disclosed subject matter concerns an antenna which comprises a ground plane and at least a first and a second antenna element. Each antenna element comprises a feed point, a cavity, a main body, a tip and at least a first tapered portion and a second tapered portion. Each antenna element is arranged on the ground plane, where said first and second tapered portions extend along the antenna element from said tip towards the ground plane of the antenna element, and where each antenna element extends essentially perpendicularly to said ground plane along a centre axis of the antenna element. Each antenna element has at least a first leg and a second leg, where said first leg extends from said main body to the first feed point, where said feed point is located between the first leg and the ground plane, and where said second leg extends from said main body to the ground plane, and where said second leg is electrically connected to the ground plane.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: September 22, 2020
    Assignee: SAAB AB
    Inventor: Bengt Svensson
  • Patent number: 10766232
    Abstract: A method of manufacture of a composite aircraft article aerodynamic surface by forming the composite aircraft article aerodynamic surface on an aircraft article composite forming tool. The aircraft article composite forming tool includes a matrix laminate including an upper ply including a forming surface for forming the composite aircraft article aerodynamic surface. The upper ply of the aircraft article composite forming tool includes a nano filament structure embedded therein. A blank is conformed onto the aircraft article composite forming tool. The aircraft article is formed on the upper ply of the forming surface. The forming surface of the aircraft article composite forming tool is adapted to form an aerodynamic surface of the aircraft article. The blank is cured into the aircraft article. The composite aircraft article is finished.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: September 8, 2020
    Assignee: SAAB AB
    Inventors: Per Hallander, Mikael Petersson, Björn Weidmann, Tommy Grankäll, Göte Strindberg, Pontus Nordin
  • Patent number: 10768289
    Abstract: The invention relates to a method for operating a pulsed radar system, wherein the pulsed radar system comprises a transmitting antenna, configured to transmit transmission signals, a receiving antenna, configured to receive reflected signals and a signal generating means, configured to generate transmission signals. The method comprises the steps of generating a first transmission signal at a first centre frequency, generating a second transmission signal at a second centre frequency and transmitting the first and the second transmission signals during a predefined transmission time window. The first transmission signal is significantly longer than the second transmission signal. The transmission of the second transmission signal starts during or at the end of the transmission of the first transmission signal and ends essentially at the end of the transmission time window.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: September 8, 2020
    Assignee: SAAB AB
    Inventor: Anders Silander
  • Patent number: 10761203
    Abstract: The present disclosure relates to a method for signal processing resource allocation. The method comprises receiving (S10) streaming signal data. The method further comprises, at a first computational resource, determining (S20) a first data subset of the streaming signal data based on a selection criterion, the selection criterion having a contextual relationship with a predetermined scenario. The method also comprises determining (S25) a second data subset of the received streaming signal data based on the first data subset and the contextual relationship. The method additionally comprises, at a second computational resource, analysing (S30) the second data subset using an algorithm based on the contextual relationship. The method further comprises forming (S40) aggregated signal data based on the received streaming signal data and the analysed second data subset. The method yet further comprises outputting (S50) data based on the aggregated signal data.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: September 1, 2020
    Assignee: SAAB AB
    Inventor: Stefan Eriksson
  • Patent number: 10746862
    Abstract: The present invention relates to a method for a continuous arbitrary waveform radar configured for transmitting and receiving signals over a selected communication band. The method comprises: generating the radar transmit signal with a waveform having a non-monotonic frequency change, modifying the waveform to obtain at least one spectral notch and isolating reception and transmission by cancellation. Each spectral notch at a selectable frequency with a selectable bandwidth, and the waveform is modified to maintain the spectral density of the transmit radar signal.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: August 18, 2020
    Assignee: SAAB AB
    Inventors: Patrik Dammert, Hans Hellsten
  • Publication number: 20200223709
    Abstract: A system and method of combusting aluminium comprising i) feeding aluminium wire to a substantially oxygen-free furnace comprising a. a first low-temperature section in communication with b. a second high-temperature section ii) forming aluminium particles with an average particle size ranging from 1 ??? to 200 ??? from said aluminium wire in said first section iii) feeding water and/or steam to said first and/or second section to provide an oxidizer for oxidizing said aluminium particles in the second section iv) conveying aluminium particles from the first section to the second section v) oxidizing said aluminium particles in the presence of steam in said second section.
    Type: Application
    Filed: August 20, 2018
    Publication date: July 16, 2020
    Applicant: SAAB AB
    Inventor: Ulf BENGTSSON
  • Patent number: 10714807
    Abstract: A stabilization arrangement (10) for stabilizing an antenna mast (3), comprising an antenna mast (3) and a gyroscopic stabilizer device (12), wherein the gyroscopic stabilizer device (12) in turn comprises a flywheel (11), a flywheel axis (14), wherein the flywheel (11) is arranged about the flywheel axis (14), and a gimbal structure (13), wherein the flywheel (11) is suspended in the gimbal structure (13) and the gimbal structure (13) is configured to permit flywheel precession or tilting about at least one gimbal output axis (16). The gyroscopic stabilizer device (12) is fixedly arranged in connection to a first end portion (31) of the antenna mast (3) and the antenna mast (3) is fastenable to a supporting structure at a second end portion (32) of the antenna mast (3), wherein the gyroscopic stabilizer device (12) is configured to reduce movements in a plane perpendicular to the extension of the antenna mast (3).
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: July 14, 2020
    Assignee: SAAB AB
    Inventor: Martin Blennius
  • Patent number: 10705200
    Abstract: An antenna system for providing identification functionality comprising a main antenna and an auxiliary antenna, wherein the antennas are configured to at least transmit electromagnetic waves. The antenna system comprises a first channel interface and a second channel interface, a first switch and a transmission input means. The first switch is configured to switch between a first operation mode and a second operation mode. When set in the first operation mode the second channel interface is set to be in connection with the auxiliary antenna and when set in the second operation mode the second channel interface is set to be in connection with the main antenna. If transmission via the first transmission channel is expected the transmission input means is configured to set the first switch in the first operation mode.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 7, 2020
    Assignee: SAAB AB
    Inventors: Lars Sundell, Per Wall, Bengt Svensson
  • Patent number: 10696401
    Abstract: A dispenser for storing and launching countermeasures from an aircraft, comprising an elongate body provided with at least one launch opening adapted for storing the countermeasures in cartridges, where the dispenser comprises a manoeuvrable spoiler arranged in front of the launch opening, where the spoiler is adapted to be fully retracted before a countermeasure has been launched, and that the spoiler is adapted to extend outwards in a predefined manner when a countermeasure has been launched. The advantage of the invention is that a spoiler will reduce induced noise from the open cartridges by extending a spoiler outwards depending on the number of launched countermeasures. This allows for a simple, reliable and cost-effective solution.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 30, 2020
    Assignee: SAAB AB
    Inventor: Christer Zaetterqvist
  • Publication number: 20200200499
    Abstract: A breech for noise reduction in a recoil-less weapon is described. The breech is adapted to be arranged in fluid communication with a launcher of the weapon to release exhaust gas. The breech comprises a venturi tube. The venturi tube has an inlet at a first end adapted to be connected to the launcher, and an outlet for releasing the exhaust gas at a second end, wherein the area of the outlet is larger than the area of the inlet. The venturi tube further comprises an exhaust gas controlling element formed at the venturi tube structure. The exhaust gas controlling element is arranged to control the release of exhaust gas so as to decrease a sound pressure peak at the weapon. The inner envelope surface of the venturi tube is configured, such that the inner envelope surface does not alter or at least has a very small influence on recoil characteristics of the weapon.
    Type: Application
    Filed: May 17, 2017
    Publication date: June 25, 2020
    Applicant: SAAB AB
    Inventors: Mathias LINDSTRÖM, Peter KARLSSON, Göran BACKLUND, Ingrid SÖDERQUIST
  • Patent number: 10683090
    Abstract: A dispenser for storing and launching countermeasures from an aircraft, comprising an elongate body provided with at least one launch opening where the countermeasures are stored in cartridges, where the cartridges are interconnect to each other in a slidable manner, and where the cartridges are adapted to be tilted by a tilting means to a selected angle, such that the openings of the cartridges can be directed in a selected direction. The advantage of the invention is that a countermeasure can be directed in a desired angle before it is launched.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 16, 2020
    Assignee: SAAB AB
    Inventor: Christer Zaetterqvist
  • Patent number: 10684099
    Abstract: A magazine for storing and launching countermeasures arranged in cartridges, comprising a plurality of longitudinal cartridge cases forming the magazine, where the magazine comprises a tilting means adapted to tilt the cartridge cases, such that the openings of the cartridge cases can be directed in a selected direction, and where the magazine comprises a tracking system comprising an active position sensor adapted to detect the position of an incoming object. The advantage of the invention is that a countermeasure can be directed towards an incoming object before it is launched.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 16, 2020
    Assignee: SAAB AB
    Inventor: Christer Zaetterqvist
  • Patent number: 10683092
    Abstract: A magazine for storing and launching countermeasures arranged in cartridges, comprising a plurality of longitudinal cartridge cases forming the magazine, where each cartridge case comprises side walls and a front opening and a centre axis, where the magazine is adapted to be mounted on an aircraft, where the side walls of two adjacent cartridge cases are arranged to each other in a slidable manner in a longitudinal direction, and where the magazine comprises a tilting means adapted to tilt the cartridge cases, such that the openings of the cartridge cases can be directed in a selected direction. The advantage of the invention is that a countermeasure can be directed in a desired angle before it is launched.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: June 16, 2020
    Assignee: SAAB AB
    Inventor: Christer Zaetterqvist
  • Patent number: 10663576
    Abstract: A method is provided for controlling transmission of an electronically steerable antenna system, wherein the electronically steerable antenna system comprises a signal generator configured to generate electromagnetic waveforms, and an antenna.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: May 26, 2020
    Assignee: SAAB AB
    Inventor: Lars Sundell
  • Publication number: 20200158467
    Abstract: A dispenser module for storing and launching countermeasures on an aircraft, comprising a magazine formed by a plurality of cartridges adapted to each hold a countermeasure where the dispenser module is adapted to be mounted in a side wall of an aircraft pylon structure, where the dispenser module comprises a spoiler and a hatch, where the magazine is mounted to the hatch, where the dispenser module is adapted to assume a first idle state in which the spoiler and the hatch are retracted to be flush with the side wall before a countermeasure has been launched, and where the dispenser module is adapted to at least assume a second active state in which the spoiler and the hatch extend outwards from the side wall when a countermeasure is to be launched, and where the dispenser module is adapted to retract to the idle state when a countermeasure has been launched.
    Type: Application
    Filed: May 28, 2018
    Publication date: May 21, 2020
    Applicant: SAAB AB
    Inventor: Christer ZÄTTERQVIST
  • Publication number: 20200136260
    Abstract: A broadband group antenna, comprising a plurality of antenna elements and an earth plane element, wherein the antenna elements are arranged in a common plane on top of the earth plane element and connected to a microwave transceiver unit via conductors provided in channels that extend through the earth plane element in a direction perpendicular to a main extension plane of the earth plane element, the antenna elements are arranged in a matrix pattern comprising first rows extending in a first direction and second rows extending in a second direction perpendicular to said first direction, wherein the antenna elements are in alignment with each other in said first rows and in said second rows.
    Type: Application
    Filed: June 20, 2018
    Publication date: April 30, 2020
    Applicant: SAAB AB
    Inventor: Henrik HOLTER
  • Publication number: 20200124382
    Abstract: The present invention relates to a director mount arrangement for automatic alignment of a subsystem relative to a platform, wherein said director mount arrangement is arranged to pivotably support the subsystem. The director mount arrangement comprises a pivot frame arrangement and a control system. The control system comprises a control unit arranged to generate control signals so as to control the orientation of and stabilize the subsystem. The control signals are generated based on angular rate of subsystem and orientation operating commands provided from an operator. The control unit further generates estimated control signals based on platform orientation information and determine a difference between the control signals and the estimated control signals, wherein the difference is indicative of mechanical misalignments between the subsystem and the platform.
    Type: Application
    Filed: June 18, 2018
    Publication date: April 23, 2020
    Applicant: SAAB AB
    Inventor: Fredrik SÖDERSTRÖM
  • Patent number: 10613327
    Abstract: A stabilization arrangement (10) for stabilizing an antenna mast (3), comprising an antenna mast (3) and a gyroscopic stabilizer device (12), wherein the gyroscopic stabilizer device (12) in turn comprises a flywheel (11), a flywheel axis (14), wherein the flywheel (11) is arranged about the flywheel axis (14), and a gimbal structure (13), wherein the flywheel (11) is suspended in the gimbal structure (13) and the gimbal structure (13) is configured to permit flywheel precession or tilting about at least one gimbal output axis (16). The gyroscopic stabilizer device (12) is fixedly arranged in connection to a first end portion (31) of the antenna mast (3) and the antenna mast (3) is fastenable to a supporting structure at a second end portion (32) of the antenna mast (3), wherein the gyroscopic stabilizer device (12) is configured to reduce movements in a plane perpendicular to the extension of the antenna mast (3).
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: April 7, 2020
    Assignee: SAAB AB
    Inventors: Johan Zanden, Anna-Karin Holmer, Stefan Andersson
  • Patent number: 10596683
    Abstract: A fixture device for holding a first structural article in mutual position relative to a second structural article. A fixing arrangement includes a first end and a second end. Each of the first end and the second end are configured to be operatively connected to the first structural article and the second structural article. A coupling arrangement is configured to be releasably coupled to the first structural article and the second structural article and to the fixing arrangement. Also, a method for manufacturing a structure, a production line for manufacturing a structure and a data medium storing program.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: March 24, 2020
    Assignee: SAAB AB
    Inventor: Mats Enmar
  • Patent number: 10571560
    Abstract: A method and a device for detecting at least one target in an image, wherein the image comprises a set of pixels with a magnitude assigned to each pixel is provided. The method comprises an iterative process until the K+1th target does not show a probability increase above a predetermined threshold value. The method is performed by creating a candidate free image, calculating, for the candidate free image, the probability of there being a target at each pixel, by using Bayes theorem, determining a location of the candidate target K+1 in the image, determining the probability that there is a target at the determined location, by determining the calculated probability of there being a target at the determined location. By performing the above, the most probable locations for targets in the image are located together with the probability that the location holds a true target.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: February 25, 2020
    Assignee: SAAB AB
    Inventor: Hans Hellsten