Patents Assigned to Saab AB
  • Patent number: 12381314
    Abstract: The present disclosure relates to an antenna platform arrangement (1) comprising a movable antenna plate (2) having an antenna surface (3) and an opposing connection surface (4), a fixed base (5) and a connection means (6) connecting the connection surface (4) and the fixed base (5). Moreover, the movable antenna plate (2) being associated with an apex (c0?) of a conical space (c0) being in-between said fixed base (5) and said movable antenna plate (2), wherein said connection means (6) is configured to selectively control said movable antenna plate (2) about said conical space (c0), to a pre-determined maximum angle (?) relative a first plane (x1) being parallel with said fixed base (5).
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: August 5, 2025
    Assignee: SAAB AB
    Inventors: Martin Blennius, Daniel Bäck
  • Patent number: 12372336
    Abstract: A liner for a shaped charge including an inner layer made of a material having a density below 10.5 g/cm3, and an outer layer made of a material having a density below 2.0 g/cm3, wherein the outer layer is formed directly on the inner layer. In a first state, both the inner layer and the outer layer are compressed towards the symmetry axis (x) of the liner, thereby forming a projectile. In a second state, the inner layer forms a penetration jet of the projectile and the outer layer forms a slug of the projectile. The melting point of the outer layer is above 100° C. The invention also concerns a shaped charge including the liner, a method for manufacturing the liner and a method for detonation of the shaped charge.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: July 29, 2025
    Assignee: SAAB AB
    Inventors: Marcus Gustafsson, Victor Björkgren
  • Patent number: 12355150
    Abstract: The present disclosure relates to a notch antenna structure including a plurality of notch antenna elements arranged in at least a first row (R). Each notch antenna element includes a base portion having first and second opposing surfaces, a first electrically conductive body and an adjacent second electrically conductive body, the electrically conductive bodies extending vertically from the first surface, forming an integral structure, a tapering gap between the two electrically conductive bodies. The notch antenna structure includes a bottom plane for receiving the second surface of the plurality of notch antenna elements and the first electrically conductive body includes a leg portion having a feed arrangement proximate to the tapering gap, the feed arrangement including a feed point.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: July 8, 2025
    Assignee: SAAB AB
    Inventors: Bengt Svensson, Sigrid Hammarqvist, Peter Tisell, Erik Schloenzig, Theodor Hassiakis
  • Patent number: 12344767
    Abstract: The present disclosure relates to a composition for providing a camouflage coating, the composition including an aqueous polyolefin binder dispersion; a low-emissive pigment; and a matting agent. The matting agent is a thermoplastic polymer matting agent. The disclosure further relates to a method of producing a low-emissive textile product using such a composition, as well as low-emissive textile products and camouflage products produced using the composition.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 1, 2025
    Assignee: SAAB AB
    Inventors: Daniel Kling, Ann-Sofie Olovsson, Björn Boström
  • Patent number: 12347938
    Abstract: The present invention relates to a method (300) for compensating output efficiency of a plurality of amplifiers arranged to operate with an antenna array, where the antennas in the antenna array are electromagnetically coupled to each other, for providing a desired functionality of the antenna array, the method (300) comprising the steps of obtaining (301) input signal characteristics for each amplifier; determining (302) suitable compensating control parameters for each amplifier based on at least one of the input signal characteristics of each antenna and pre-determined coupling factors between antennas; outputting (303) efficiency control signals for adjusting at least one amplifier control parameter relating to output efficiency of each antenna.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: July 1, 2025
    Assignee: SAAB AB
    Inventors: Mattias Thorsell, Anders Höök
  • Patent number: 12321415
    Abstract: The present disclosure relates to a computer-implemented method for object tracking, the method including the steps of defining a state-space of interest based on a class of objects subject to tracking. Further, the method includes the step of representing the state-space of interest using a FEM representation partitioning the state-space of interest in elements. Further, the method includes initiating a state-space distribution defining a probability density for different states of at least one tracked object in the state-space of interest. Moreover, the method updates the state-space distribution based on evidence, wherein the evidence being at least one of sensor data and external data of at least one tracked object in said class of objects. Furthermore, the method propagates the state-space distribution of the at least one tracked object for a time period.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: June 3, 2025
    Assignee: SAAB AB
    Inventor: Torbjörn Löfgren
  • Patent number: 12320623
    Abstract: The present invention relates to a fragmentation warhead, including: an inner casing accommodating explosive charge; a fragmentation casing at least partly surrounding the inner casing; and an outer casing arranged outside the inner casing and the fragmentation casing; wherein the inner casing includes a front liner and a rear liner, which are connected to each other and wherein the fragmentation casing comprises a molded casing with integrated metal elements.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: June 3, 2025
    Assignee: SAAB AB
    Inventors: Johnny Vestlund, Olov Thor
  • Patent number: 12323147
    Abstract: The present disclosure relates to a single pole double throw, SPDT, radio frequency, RF, switch topology including a first port, a second port, and a third port. A first switchable path is arranged between the first port and the second port and includes at least one first switching stage and at least one second switching stage. A second switchable path is arranged between the first port and the third port and includes at least one first switching stage and at least one second switching stage. Each first switching stage includes a first impedance network having a line inductance element and two shunt capacitors, the first switching stage further including at least one shunt PIN diode and a bias feed for applying a bias voltage to the at least one shunt PIN diode, wherein the two shunt capacitors of each first switching stage are grounded via the at least one shunt PIN diode.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: June 3, 2025
    Assignee: SAAB AB
    Inventor: Petri Ikonen
  • Patent number: 12292260
    Abstract: The invention relates to a reflector comprising a reflector cavity (110) having a front opening for receiving EMR into the reflector cavity (110) for subsequent reflection of the EMR by at least one reflector element (120) arranged within the reflector cavity (110), characterized in that the reflector further comprises a front cover (130) that has high EM R transmittance in at least parts of the EM spectrum, the front cover (130) being arranged to cover the front opening of the reflector cavity (110), and that the front cover (130) and front opening form a gastight seal (140) impermeable to gas to prevent transport of material into and out of the reflector cavity (110) through the front opening.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: May 6, 2025
    Assignee: SAAB AB
    Inventors: Per Cederwall, Stefan Andersson
  • Patent number: 12272873
    Abstract: The present disclosure relates to an antenna array including an integral antenna element structure mounted on a substrate. The integral antenna element structure includes a first set of antenna elements and a second set of antenna elements. Each antenna element including a first body and an adjacent second body. The second body is branched into a first leg and a second leg, wherein a transition pin forms an integral part with said first leg. The first set, and second sets of antenna elements are arranged such that the first body and the second body of each adjacent antenna element form a common tapered structure.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: April 8, 2025
    Assignee: SAAB AB
    Inventors: Henri Kähkönen, Juha Ala-Laurinaho, Ville Viikari
  • Patent number: 12241794
    Abstract: Embodiments of the present invention relate to determining temperature, pressure, strain, or other changes of an optical fibre (250) having Fiber Bragg Grating (FBG) patterns provided in at least one portion (Portion 1) of said optical fibre (250), said optical fibre (250) being connected between a first detector arrangement (210) and a second detector arrangement (220).
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: March 4, 2025
    Assignee: SAAB AB
    Inventors: Roy Josefsson, Daniel Eckerström
  • Patent number: 12210173
    Abstract: The present disclosure relates to an image generator device (100) for changing the direction of at least one emitted light cone at a surface (113), comprising an image generator (130) and a fibre optical faceplate (110) having a first (112) and a second surface (113), the fibre optical faceplate (110) being arranged to transmit light from the image generator (130) so at least a part of light entering the first surface (112) of the fibre optical faceplate (110) exits through the second surface (113) of the fibre optical faceplate (110) and pass through an aperture, wherein the fibre optical faceplate (110) comprises a multitude of optical fibres (111) and light exiting the second surface (113) through optical fibres (111) each form an emitted light cone.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: January 28, 2025
    Assignee: SAAB AB
    Inventors: Johan Zanden, Anna-Karin Holmer, Stefan Andersson
  • Patent number: 12206182
    Abstract: A method for excitation of an array antenna across a specified bandwidth is disclosed. The specified bandwidth comprises M sample points, M being a positive integer >1, and the array antenna comprises N antenna elements, N being a positive integer ?2. The method comprises forming a first matrix B(?) defining an allowed frequency variation for an excitation coefficient for each antenna element, and forming a second matrix defining far field data for each antenna element at each sample point. Further the method comprises optimizing each excitation coefficient based on the formed first matrix and the formed second matrix, and controlling an excitation of the N antenna elements based on the optimized excitation coefficients. Hereby presenting a method for wideband optimization of the excitation coefficients for an array antenna.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 21, 2025
    Assignee: SAAB AB
    Inventor: Henrik Frid
  • Patent number: 12172569
    Abstract: The invention relates to a suspension assembly (10, 10a, 10b) for supporting a vibration sensitive device (1) in relation to a base (100). The suspension assembly (10, 10a, 10b) comprises: a support arrangement (20) comprising a support plate (21) and a damping support member (22). The support member (22) is configured to receive the vibration sensitive device (1) and the support plate (21) comprises a centre portion (23) and at least two side portions (24) extending with an inclination angle (?) outwardly from the centre portion (23), a base arrangement (30) comprising at least two inclined portions (34) extending essentially in parallel with the at least two side portions (24) of the support plate (21); and at least two wire rope isolators (40), each arranged between a side portion (24) of the support plate (21) and an inclined portion (34) of the base arrangement (30).
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: December 24, 2024
    Assignee: SAAB AB
    Inventors: Jonas Björnsson, Urban Bruzén, Sven Komstadius
  • Patent number: 12142823
    Abstract: The disclosure relates to a pivotable connection device (100) comprises a first and a second bracket (101, 102), a locking member (103), a spring (105), and an abutment member (104). The first and the second bracket (101, 102) are pivotable connected to each other, and the spring (105) is located between the locking member (103) and the abutment member (104). In a first mode of operation (M1), the locking member (103) is displaced towards the abutment member (104) such that the spring (105) is compressed, and such that the first and second bracket (101, 102) are pivotable in relation to each other. In a second mode of operation (M2), the locking member (103) is displaced towards the first bracket (101) by the spring (105), such that the locking member (103) overlaps the first and the second bracket (101, 102) and prevents pivoting. The disclosure further relates to a vehicle (200).
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: November 12, 2024
    Assignee: SAAB AB
    Inventor: Anders Kihlander
  • Patent number: 12135127
    Abstract: Provided is a heat generating arrangement and a method for generation of heat to be used in a heat consumer. The heat generating arrangement uses combustion of aluminium and hydrogen to raise the temperature of superheated steam inside the heat generating arrangement. The heat in the superheated steam can thereafter be used in a heat consumer, such as a heat exchanger.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: November 5, 2024
    Assignee: SAAB AB
    Inventor: Daniel Nilsson
  • Patent number: 12099130
    Abstract: An antenna arrangement (1) comprising an antenna array is disclosed. The antenna array comprises N antenna elements (2) (N being an integer ?3). Moreover, each antenna element is connected to an electronics module (3) out of P electronics modules, P being an integer such that 3?P?N, where each electronics module is configured to generate an output signal indicative of a signal received by a corresponding one or more antenna elements. The antenna arrangement further comprises control circuitry (10) connected to the antenna array. The control circuitry is configured to receive each output signal, compute a sum of cross-correlations between each output signal and a set of other output signals originating from other corresponding antenna elements, and determine at least one angle of a direction of arrival of the electromagnetic waves relative to the antenna array based on the computed sum.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: September 24, 2024
    Assignee: SAAB AB
    Inventor: Anders Höök
  • Patent number: 12087990
    Abstract: A waveguide launch system configured for translating radio frequency signal waves is provided. The system comprises a first printed circuit board lamina comprising an electrically conductive ground member and configured for attachment of a separate waveguide element, having a first cross-section area, thereto. A second printed circuit board lamina comprising an electrically conductive backshort cover configured to reflect the RF signal waves is bonded to a first printed circuit board lamina. An electrically conductive barrier arrangement extends through the second printed circuit board lamina. The electrically conductive barrier arrangement and the electrically conductive backshort cover form an integrated electrically conductive backshort volume of an integrated backshort having a second cross-section area. The second cross-section area is smaller than the first cross-section area.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 10, 2024
    Assignee: SAAB AB
    Inventor: Sten Gunnarsson
  • Patent number: 12077317
    Abstract: The present disclosure relates to a landing assistance system and method (100) for assisting an airborne vehicle (1) during landing on a landing area (2). The landing assistance system (100) provides the airborne vehicle (1) with light signals. The landing assistance system comprises at least one geographically positioned light emitter (4, 6, 8) arranged at near ground level on the landing area (2). At least one first light emitter (6) of the at least one geographically positioned light emitter (4, 6, 8) is arranged to emit light to a designated position in space. The light comprises at least three light beams (B1-B3), wherein a first beam (B1) being a central beam, which indicates a designated glideslope, and at least a second beam (B2) and third beam (B3) indicating that said airborne vehicle (1) is positioned under or above the designated glideslope, respectively.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: September 3, 2024
    Assignee: SAAB AB
    Inventors: Anna-Karin Holmer, Johan Zanden, Stefan Andersson
  • Patent number: 12078465
    Abstract: A piezoelectric sensor arrangement for use in a projectile comprises a piezoelectric sensor enveloped by a damping layer adapted to attenuate signals of frequencies above a predetermined cutoff frequency whereby the voltage output signal of the piezoelectric sensor upon impact on a desired hard target can be discriminated from voltage output signals originating from impact on undesired soft objects. A method of discriminating voltage outlet signals by means of the piezoelectric sensor arrangement and the use of a piezoelectric sensor arrangement in a projectile to safeguard unintentional detonation does not occur is described herein.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: September 3, 2024
    Assignee: SAAB AB
    Inventors: Tony Holm, Johan Östlund