WO2017204721A1 - Method for controlling a display mode in a combat aircraft - Google Patents

Method for controlling a display mode in a combat aircraft Download PDF

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Publication number
WO2017204721A1
WO2017204721A1 PCT/SE2017/050508 SE2017050508W WO2017204721A1 WO 2017204721 A1 WO2017204721 A1 WO 2017204721A1 SE 2017050508 W SE2017050508 W SE 2017050508W WO 2017204721 A1 WO2017204721 A1 WO 2017204721A1
Authority
WO
WIPO (PCT)
Prior art keywords
combat aircraft
aircraft
enemy
display mode
combat
Prior art date
Application number
PCT/SE2017/050508
Other languages
French (fr)
Inventor
Anders Lundqvist
Vibeke KENSING
Original Assignee
Saab Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saab Ab filed Critical Saab Ab
Priority to EP17803165.4A priority Critical patent/EP3465096B1/en
Publication of WO2017204721A1 publication Critical patent/WO2017204721A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D43/00—Arrangements or adaptations of instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C23/00—Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
    • G01C23/005—Flight directors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00—Equipment not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/14—Indirect aiming means
    • F41G3/16—Sighting devices adapted for indirect laying of fire
    • F41G3/165—Sighting devices adapted for indirect laying of fire using a TV-monitor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/22—Aiming or laying means for vehicle-borne armament, e.g. on aircraft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G9/00—Systems for controlling missiles or projectiles, not provided for elsewhere
    • F41G9/002—Systems for controlling missiles or projectiles, not provided for elsewhere for guiding a craft to a correct firing position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C23/00—Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04—Display arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays

Definitions

  • the invention relates to a method for controlling a display mode in a combat aircraft.
  • Document US 6,567,014 Bl describes an aircraft head up display system that displays a basic mode, an en route mode, or a n approach/landing mode.
  • the display changes to an unusual attitude mode to indicate the unusual attitude condition.
  • the display in the unusual attitude mode removes non-essential symbols and displays the aircraft air speed,
  • Sensors such as radar, are typically operated by the pilot as a tool for
  • this object is to:
  • a method for controlling a display mode in a combat aircraft comprising the steps of: a) determining sensor capacity of an enemy combat aircraft, b) forming a detection area based on the determined sensor capacity from the previous step a), c) determining the position of the combat aircraft relative to the detection area, and d) controlling the display mode based on the determined difference in position from the previous step c), wherein the determined difference in position is adapted for indicating whether the combat aircraft is inside or outside the detection area.
  • the method comprises the step of recording sensor capacity and detection area, wherein the recorded data is adapted for generating a situation picture.
  • the method preferably
  • the step of determining sensor capacity of the enemy combat aircraft is performed by detecting or by assuming the sensor capacity of the enemy combat aircraft.
  • the detection of sensor capacity of the enemy combat aircraft is preferably done when the enemy combat aircraft is in proximity to the combat aircraft.
  • the display mode is selected based on a predetermined condition comprising the determined change in position relative to a predefined zone.
  • the predefined zone preferably corresponds to a geographic zone adapted for defining the detection limit of the enemy combat aircraft of to a geographic zone adapted for defining a shoot-down limit of the enemy combat aircraft, respectively, wherein the geographic zone is adapted for decision support of the combat aircraft in a combat situation with the enemy combat aircraft.
  • Detecting is preferably performed by a sensor, such as radar, a database and/or a link.
  • controlling the display mode is performed in a continuous fashion such that the display is continuously switched between different modes when a probabilistic value is exceeded, wherein the probalistic value is determined by at least one of a predefined detection criterion, a predefined identification criterion and a predefined behaviour criterion of the enemy combat aircraft.
  • a predefined criterion preferably comprises a predefined altitude limit, a predefined speed limit and/or a combat tactical criterion, such as at least one sensor parameter and/or a weapon limit.
  • the terms "in a continuous fashion” and “continuously switched” refer to the switching of the display mode and mean that switching of the display mode is done continuously in time and/or in frequency. This is preferably done in a way such that a user cannot perceive a discrete change on the screen of the display. This preferably corresponds to the fact that a change of the display mode is done such that the display screen shows the change of the display mode without punctuation or without interruption, i.e. the user cannot perceive the change of display mode by a discrete fluctuation on the display screen itself.
  • the enemy combat aircraft corresponds to at least one of a ground station, an unmanned aerial vehicle and a helicopter.
  • step d is adapted for decision support when preferably handled three dimensionally, i.e. the calculations in the previous steps referring to the determination of different parameters, such as sensor capacity and position, are performed in three dimensions.
  • a two dimensional display for the pilot is typically sufficient for decision
  • the adaptation is achieved by two modes: Firstly, the pilot's own aircraft is assessed not to have been detected. This situation picture is recorded on the basis of a zone perspective with different zones indicated on the basis of the overall enemy situation. Secondly, the pilot ' s own aircraft is assessed to have been detected. The situation picture assumes a duel mode in which every enemy aircraft is recorded from a duel perspective. In this way, a good overview of combat in an early stage is provided by means of an overall perspective based on zone areas. In more intensive combat, where survival is assesses as critical, the perspective shifts to a duel
  • the duel mode is on top priority. If the pilot is inside the detection area it is switched to a duel mode and a duel with every opponent is established. If the pilot is outside of the detection area it is switched to a zone mode such that the pilot gets an overview over the complete situation. In the duel mode, there are restricted volumes of interest, i.e. the object is of interest. In the zone mode, there are areas of interest. Hence, it is an idea of the duel mode.
  • Fig. 1 illustrates the steps of a method for controlling a display mode in a combat aircraft according to a preferred embodiment of the inventions
  • Fig. 2 shows an HMI display mode controlled in a combat situation with zone mode or duel mode according to another preferred embodiment of the invention.
  • Fig. 1 shows the steps of a method for controlling a display mode in a combat aircraft according to a preferred embodiment of the invention. Firstly, sensor capacity of an enemy combat aircraft 2 is determined 3. Secondly, a detection area based on the determined sensor capacity from the previous step is formed 4. Thirdly, the position of the combat aircraft 1 relative to the detection area is determined 5, and, finally, the display mode is controlled 6 based on the determined difference in position from the previous step. The determined difference in position is adapted for indicating whether the combat aircraft is inside or outside the detection area. In further steps, it is possible to record 7 sensor capacity and detection are and to display 8 the recorded data.
  • Fig. 2 shows an HMI display mode controlled in a combat situation with zone mode or duel mode according to another preferred embodiment of the invention.
  • HMI operates either zone-oriented or duel-oriented dependent on the assessed position. Zone position applies generally and it is not until the detection are is entered that the pilot ' s own aircraft is assumed to have been detected by the enemy aircraft. Any detection can be either analyzed by the decision support or set manually by the pilot. It is then shifted to a duel mode and HMI then operates with one duel for every enemy aircraft instead of with several duels combined. When the combat situation resumes its original character, HMI returns to zone position. This takes place either by manual switching or automatically by means of decision support.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention relates to a method for controlling a display mode in a combat aircraft (1) comprising the steps of: a) determining (3) sensor capacity of an enemy combat aircraft (2), b) forming (4) a detection area based on the determined sensor capacity from the previous step a), c) determining (5) the position of the combat aircraft (1) relative to the detection area, and d) controlling (6) the display mode based on the determined difference in position from the previous step c), wherein the determined difference in position is adapted for indicating whether the combat aircraft (1) is inside or outside the detection area. In this way, the pilot gets a quick overview and can make an efficient decision with regard to choosing the tactics in a combat situation.

Description

METHOD FOR CONTROLLING A DISPLAY MODE IN A COMBAT AIRCRAFT
Field of the invention
The invention relates to a method for controlling a display mode in a combat aircraft.
Background of the invention
Document US 6,567,014 Bl describes an aircraft head up display system that displays a basic mode, an en route mode, or a n approach/landing mode. When the aircraft attitude changes to predefined unusual attitude conditions, the display changes to an unusual attitude mode to indicate the unusual attitude condition. The display in the unusual attitude mode removes non-essential symbols and displays the aircraft air speed,
altitude and attitude.
Highly developed functions for human machine interface, H M I for short, and decision support as support functions for the
pilot environment in combat aircraft already exist. All
solutions are based on and adapted for high tempo in flight
and combat situations where HM I a nd decision support together describe the current position and display tools and solutions
to the pilot. Existing solutions are based on the aircraft
itself and its available resources and tools. Sensors, such as radar, are typically operated by the pilot as a tool for
close-range scanning or for scanning objects for
identification and continued pursuit. Decision support
supports the multiple use of sensors by merging objects detected by several different sensors and coordinating and correlating these objects in a situation picture. This is
usually done via networks in further steps to create a common situation picture between several aircraft within an aircraft group.
When complexity increases because more tools and sensors are supplied, the possibilities available to the pilot to control his tools and/or sensors in time are limited and made
difficult. In time-critical situations, for instance in air
combat, the pilot risks becoming the underdog. Another limitation is the fact that each tool and/or sensor has its own characteristics and peculiarities. Each sensor and/or tool therefore requires its own interface and control functions which the pilot needs to be able to understand and use correctly.
Summary of the invention
It is the object of the invention to provide a possibility for controlling a display mode such that the pilot gets a quick overview.
This object is achieved by the subject matter of independent claim 1. Preferred embodiments are defined in the sub claims.
According to an aspect of the invention, this object is
achieved by a method for controlling a display mode in a combat aircraft comprising the steps of: a) determining sensor capacity of an enemy combat aircraft, b) forming a detection area based on the determined sensor capacity from the previous step a), c) determining the position of the combat aircraft relative to the detection area, and d) controlling the display mode based on the determined difference in position from the previous step c), wherein the determined difference in position is adapted for indicating whether the combat aircraft is inside or outside the detection area.
According to a preferred embodiment of the invention, the method comprises the step of recording sensor capacity and detection area, wherein the recorded data is adapted for generating a situation picture. The method preferably
comprises the step of displaying the recorded data corresponding to displaying a plurality of situation pictures.
According to a preferred embodiment of the invention, the step of determining sensor capacity of the enemy combat aircraft is performed by detecting or by assuming the sensor capacity of the enemy combat aircraft. The detection of sensor capacity of the enemy combat aircraft is preferably done when the enemy combat aircraft is in proximity to the combat aircraft.
According to a preferred embodiment of the invention, the display mode is selected based on a predetermined condition comprising the determined change in position relative to a predefined zone. The predefined zone preferably corresponds to a geographic zone adapted for defining the detection limit of the enemy combat aircraft of to a geographic zone adapted for defining a shoot-down limit of the enemy combat aircraft, respectively, wherein the geographic zone is adapted for decision support of the combat aircraft in a combat situation with the enemy combat aircraft. Detecting is preferably performed by a sensor, such as radar, a database and/or a link. According to a preferred embodiment of the invention, controlling the display mode is performed in a continuous fashion such that the display is continuously switched between different modes when a probabilistic value is exceeded, wherein the probalistic value is determined by at least one of a predefined detection criterion, a predefined identification criterion and a predefined behaviour criterion of the enemy combat aircraft. Such a predefined criterion preferably comprises a predefined altitude limit, a predefined speed limit and/or a combat tactical criterion, such as at least one sensor parameter and/or a weapon limit.
The terms "in a continuous fashion" and "continuously switched" refer to the switching of the display mode and mean that switching of the display mode is done continuously in time and/or in frequency. This is preferably done in a way such that a user cannot perceive a discrete change on the screen of the display. This preferably corresponds to the fact that a change of the display mode is done such that the display screen shows the change of the display mode without punctuation or without interruption, i.e. the user cannot perceive the change of display mode by a discrete fluctuation on the display screen itself.
According to a preferred embodiment of the invention, the enemy combat aircraft corresponds to at least one of a ground station, an unmanned aerial vehicle and a helicopter.
It is an idea of the invention that the step of controlling, i.e. step d), is adapted for decision support when preferably handled three dimensionally, i.e. the calculations in the previous steps referring to the determination of different parameters, such as sensor capacity and position, are performed in three dimensions. However, a two dimensional display for the pilot is typically sufficient for decision
support.
It is an idea of the invention that the aircraft adapts its
HMI to the pilot based on the assessed combat situation. Preferably, the adaptation is achieved by two modes: Firstly, the pilot's own aircraft is assessed not to have been detected. This situation picture is recorded on the basis of a zone perspective with different zones indicated on the basis of the overall enemy situation. Secondly, the pilot's own aircraft is assessed to have been detected. The situation picture assumes a duel mode in which every enemy aircraft is recorded from a duel perspective. In this way, a good overview of combat in an early stage is provided by means of an overall perspective based on zone areas. In more intensive combat, where survival is assesses as critical, the perspective shifts to a duel
situation with a duel against every defined enemy aircraft. It is a further idea of the invention to adapt to different
situations. Preferably it is switched between a zone mode and a duel mode, wherein the duel mode is on top priority. If the pilot is inside the detection area it is switched to a duel mode and a duel with every opponent is established. If the pilot is outside of the detection area it is switched to a zone mode such that the pilot gets an overview over the complete situation. In the duel mode, there are restricted volumes of interest, i.e. the object is of interest. In the zone mode, there are areas of interest. Hence, it is an idea of the
situation to provide a situation-adapted method in order to be almost always aware of the current situation. Brief description of the drawings
These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter. In the drawings:
Fig. 1 illustrates the steps of a method for controlling a display mode in a combat aircraft according to a preferred embodiment of the inventions; and
Fig. 2 shows an HMI display mode controlled in a combat situation with zone mode or duel mode according to another preferred embodiment of the invention.
Detailed description of embodiments
Fig. 1 shows the steps of a method for controlling a display mode in a combat aircraft according to a preferred embodiment of the invention. Firstly, sensor capacity of an enemy combat aircraft 2 is determined 3. Secondly, a detection area based on the determined sensor capacity from the previous step is formed 4. Thirdly, the position of the combat aircraft 1 relative to the detection area is determined 5, and, finally, the display mode is controlled 6 based on the determined difference in position from the previous step. The determined difference in position is adapted for indicating whether the combat aircraft is inside or outside the detection area. In further steps, it is possible to record 7 sensor capacity and detection are and to display 8 the recorded data.
Fig. 2 shows an HMI display mode controlled in a combat situation with zone mode or duel mode according to another preferred embodiment of the invention. HMI operates either zone-oriented or duel-oriented dependent on the assessed position. Zone position applies generally and it is not until the detection are is entered that the pilot's own aircraft is assumed to have been detected by the enemy aircraft. Any detection can be either analyzed by the decision support or set manually by the pilot. It is then shifted to a duel mode and HMI then operates with one duel for every enemy aircraft instead of with several duels combined. When the combat situation resumes its original character, HMI returns to zone position. This takes place either by manual switching or automatically by means of decision support.
In this way a good overview at an early stage facilitates planning an initiative-taking with low risk to one's own aircraft. When the risk increases because one's own aircraft is detected, the perspective switches to a duel situation with a threat object, such as an enemy combat aircraft or a ground station arranged near or on a surface-to-air missile site. In the duel situation every threat can be prioritized and handled on the basis of the risk it presents in the relevant time perspective.
While the invention has been illustrated and described in detail in the drawings and foregoing description, such
illustration and description are to be considered illustrative of exemplary and not restrictive and it is not intended to limit the invention to the disclosed embodiments. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used advantageously.

Claims

Claims
1. A method for controlling a display mode in a combat aircraft (1) comprising the steps of:
a) determining (3) sensor capacity of an enemy combat aircraft (2),
b) forming (4) a detection area based on the determined sensor capacity from the previous step a),
c) determining (5) the position if the combat aircraft (1) relative to the detection area, and
d) controlling (6) the display mode based on the
determined difference in position from the previous step c), where in the determined difference in position is adapted for indicating whether the combat aircraft (1) is inside or
outside the detection area.
2. The method according to claim 1, comprising the step of recording (7) sensor capacity and detection are, wherein the recorded data is adapted for generating a situation picture.
3. The method according to claim 2, comprising the step of displaying (8) the recorded data corresponding to displaying a plurality of situation pictures.
4. The method according to one of the preceding claims, wherein the step of determining (3) sensor capacity of the enemy combat aircraft (2) is performed by detecting or by assuming the sensor capacity of the enemy combat aircraft (2).
5. The method according to one of the preceding claims, wherein the display mode is selected based on a predetermined condition comprising the determined change in position relative to a predefined zone.
6. The method according to claim 5, wherein the predefined zone corresponds to a geographic zone adapted for defining the detection limit of the enemy combat aircraft (2) or to a geographic zone adapted for defining a shoot-down limit of the enemy combat aircraft (2), respectively, wherein the
geographic zone is adapted for decision support of the combat aircraft (1) in a combat situation with the enemy combat aircraft (2).
7. The method according to one of claims 4 to 6, wherein detecting is performed by a sensor, such as a radar, a database and/or a link.
8. The method according to one of the preceding claims, wherein controlling (6) the display mode is performed in a continuous fashion such that the display is continuously switched between different modes when a probabilistic value is exceeded, wherein the probalistic value is determined by at least one of a predefined detection criterion, a predefined identification criterion and a predefined behaviour criterion of the enemy combat aircraft (2).
9. The method according to one of the preceding claims, wherein the enemy combat aircraft (2) corresponds to at least one of a ground station, an unmanned aerial vehicle and a helicopter.
PCT/SE2017/050508 2016-05-23 2017-05-16 Method for controlling a display mode in a combat aircraft WO2017204721A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17803165.4A EP3465096B1 (en) 2016-05-23 2017-05-16 Method for controlling a display mode in a combat aircraft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1650700A SE1650700A1 (en) 2016-05-23 2016-05-23 HMI controlled by combat situation
SE1650700-6 2016-05-23

Publications (1)

Publication Number Publication Date
WO2017204721A1 true WO2017204721A1 (en) 2017-11-30

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PCT/SE2017/050508 WO2017204721A1 (en) 2016-05-23 2017-05-16 Method for controlling a display mode in a combat aircraft

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SE (1) SE1650700A1 (en)
WO (1) WO2017204721A1 (en)

Citations (6)

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WO1995019545A1 (en) * 1994-01-18 1995-07-20 Honeywell Inc. Method and system for managing aircraft threat data
WO2002090890A1 (en) * 2001-05-10 2002-11-14 Saab Ab Display device for aircraft and method for displaying detected threats
US6567014B1 (en) 1998-11-05 2003-05-20 Rockwell Collins, Inc. Aircraft head up display system
US20040044445A1 (en) * 2002-08-30 2004-03-04 David Burdon Quiet mode operation for cockpit weather displays
WO2013122521A1 (en) 2012-02-16 2013-08-22 Saab Ab A method for determining threat status for combat aircrafts
EP2722821A2 (en) * 2012-10-22 2014-04-23 The Boeing Company Real-time intervisibility analysis

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Publication number Priority date Publication date Assignee Title
IL145593A (en) * 2001-09-24 2007-05-15 Rafael Armament Dev Authority Method of vehicle operation in an environment of high psychological pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995019545A1 (en) * 1994-01-18 1995-07-20 Honeywell Inc. Method and system for managing aircraft threat data
US6567014B1 (en) 1998-11-05 2003-05-20 Rockwell Collins, Inc. Aircraft head up display system
WO2002090890A1 (en) * 2001-05-10 2002-11-14 Saab Ab Display device for aircraft and method for displaying detected threats
US20040044445A1 (en) * 2002-08-30 2004-03-04 David Burdon Quiet mode operation for cockpit weather displays
WO2013122521A1 (en) 2012-02-16 2013-08-22 Saab Ab A method for determining threat status for combat aircrafts
EP2722821A2 (en) * 2012-10-22 2014-04-23 The Boeing Company Real-time intervisibility analysis

Non-Patent Citations (1)

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Title
See also references of EP3465096A4

Also Published As

Publication number Publication date
EP3465096B1 (en) 2022-06-01
EP3465096A1 (en) 2019-04-10
SE1650700A1 (en) 2017-11-24
EP3465096A4 (en) 2020-01-29

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