EP3984018A1 - Multi-axis foot pedal for electric musical instruments - Google Patents
Multi-axis foot pedal for electric musical instrumentsInfo
- Publication number
- EP3984018A1 EP3984018A1 EP20745193.1A EP20745193A EP3984018A1 EP 3984018 A1 EP3984018 A1 EP 3984018A1 EP 20745193 A EP20745193 A EP 20745193A EP 3984018 A1 EP3984018 A1 EP 3984018A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axis
- control device
- step surface
- signal
- sound
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims description 57
- 230000007935 neutral effect Effects 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 10
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 210000002683 foot Anatomy 0.000 description 21
- 230000033001 locomotion Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 210000003423 ankle Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/32—Constructional details
- G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
- G10H1/344—Structural association with individual keys
- G10H1/348—Switches actuated by parts of the body other than fingers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0008—Associated control or indicating means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0091—Means for obtaining special acoustic effects
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/04—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation
- G10H1/053—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only
- G10H1/055—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos by additional modulation during execution only by switches with variable impedance elements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/155—User input interfaces for electrophonic musical instruments
- G10H2220/265—Key design details; Special characteristics of individual keys of a keyboard; Key-like musical input devices, e.g. finger sensors, pedals, potentiometers, selectors
- G10H2220/275—Switching mechanism or sensor details of individual keys, e.g. details of key contacts, hall effect or piezoelectric sensors used for key position or movement sensing purposes; Mounting thereof
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/155—User input interfaces for electrophonic musical instruments
- G10H2220/315—User input interfaces for electrophonic musical instruments for joystick-like proportional control of musical input; Videogame input devices used for musical input or control, e.g. gamepad, joysticks
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
- G10H2220/155—User input interfaces for electrophonic musical instruments
- G10H2220/341—Floor sensors, e.g. platform or groundsheet with sensors to detect foot position, balance or pressure, steps, stepping rhythm, dancing movements or jumping
Definitions
- the present invention relates to a control device for controlling a sound of an electric musical instrument.
- the present invention can relate to a foot pedal for controlling two or more manipulated variables for interactive sound shaping of an electrically amplified musical instrument.
- the sound of a musical instrument is amplified electrically and the sound is changed electrically (e.g. effects device).
- the change in sound can be changed in one or more control variables depending on the equipment used.
- the human-machine interface is usually characterized by operating elements such as rotary knobs, switches / buttons or graphic operating interfaces. When playing music, only a few of these manipulated variables are directly accessible for many instrumentalists, as both hands are used to play the instrument (e.g. guitar).
- An alternative as a possible input option that can be operated at the same time is the use of foot pedals.
- volume pedal for continuously adjusting the volume
- a tunable filter for continuously adjusting the volume
- expression pedal for continuously adjusting the volume
- the present invention relates to a control device for controlling a sound of an electric musical instrument, the control device comprising: a Step surface which is arranged rotatably about a first axis and is arranged rotatably about a second axis; and a signal generator configured to generate a first electrical signal to control the sound and a second electrical signal to control the sound, the first electrical signal being based on a rotation of the tread around the first axis and the second electrical signal is based on a rotation of the tread around the second axis.
- the present invention relates to a control system comprising the control device and the electric musical instrument.
- control device of the present invention it is possible to control a sound of an electric musical instrument by rotating the step surface about a first axis and about a second axis.
- a rotation around the first axis generates a first electrical signal
- a rotation around the second axis generates a second electrical signal
- a sound of the electrical musical instrument can be controlled with the aid of these two signals.
- Fig. 1A shows a right side view of the control device (1) according to an embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated cables when the step surface (2) is in a neutral position .
- Fig. IB shows a right side view of the control device (1) according to the embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated cables when the tread (2) is in a deflected position .
- Fig. 1C shows a front view of the control device (1) according to the embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated cables when the tread (2) is in a neutral position.
- Fig. 1D shows a front view of the control device (1) according to the embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated cables when the step surface (2) is in a deflected position.
- Fig. IE shows a top view of the control device (1) according to the embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated cables.
- Fig. 2A shows a right side view of the control device (1) according to an embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated toothings.
- Fig. 2B shows a front view of the control device (1) according to the embodiment of the present invention with two joints (7a, 7b), two potentiometers (14a, 14b) and two associated toothings.
- Fig. 3A shows a right side view of the control device (1) according to one
- FIG. 3B shows a front view of the control device (1) according to the embodiment of the present invention with a ball joint, two Hall sensors and two magnets.
- Fig. 3C shows a plan view of the control device (1) according to the embodiment of the present invention with a cardanic suspension, two Hall sensors and two magnets.
- Fig. 4A shows a right side view of the control device (1) according to one
- FIG. 4B shows a front view of the control device (1) according to the embodiment of the present invention with a cardanic suspension, two Hall sensors and two magnets.
- Fig. 4C shows a plan view of the control device (1) according to the embodiment of the present invention with a cardanic suspension, two Hall sensors and two magnets.
- FIG. 5A shows a right side view of the control device (1) according to various embodiments of the present invention with a spring (26) and a switch (25) which is actuated mechanically by a plunger (27).
- the embodiment according to Figure 2A has been shown as an example.
- Fig. 5B shows a right side view of the control device (1) according to various embodiments of the present invention with a first central force sensor (24a) for generating a third electrical signal based on a force acting perpendicularly on the step surface and / or a second central force sensor (24b ) to perform a switching function .
- the embodiment according to Figure 2A has been shown as an example.
- Fig. 6 shows a top view of the control device (1) according to various
- Embodiments of the present invention with one or more virtual axes (21a, 21b, 21c).
- Fig. 7 shows a top view of the control device (1) according to various
- Embodiments of the present invention having one or more virtual zones (22a-22f).
- Fig. 8 shows a top view of a control device (1) according to various
- Embodiments of the present invention with force sensors (23a-23h) which are arranged on the step surface (2) of the control device (1).
- a control device (1) for controlling a sound of an electric musical instrument comprises: a step surface (2) which is arranged to be rotatable about a first axis (4a) and is arranged to be rotatable about a second axis (4b); and a signal generator (3) which is configured to generate a first electrical signal for controlling the sound and a second electrical signal for controlling the sound, the first electrical signal being based on a rotation of the step surface (2) about the first axis (4a) is based and the second electrical signal is based on a rotation of the step surface (2) about the second axis (4b).
- the first axis (4a) can run parallel to the step surface (2).
- the first axis can enclose a first axis angle with the step surface, the first axis angle being greater than 0 ° and less than 90 °.
- a first axis angle of o ° corresponds to the case that the first axis runs parallel to the step surface (2)
- a first axis angle of 90 ° corresponds to the case that the first axis runs perpendicular to the step surface (2).
- the first axis angle may be 30 ° or 40 ° for example, 0 °, 5 0, 10 °, 20 °,.
- the second axis (4b) can run parallel to the step surface (2).
- the second axis can enclose a second axis angle with the step surface, the second axis angle being greater than 0 ° and less than 90 °.
- the second axis angle can be, for example, 0 °, 50 °, 10 °, 20 °, 30 ° or 40 °.
- the first axis (4a) and the second axis (4b) can each run parallel to the step surface (2).
- the first axis (4a) can run parallel to the step surface (2) and the second axis (4b) can have an axis angle between 0 ° and 90 ° (i.e. more than 0 ° and less than 90 °) with the step surface ( 2) include, or vice versa.
- the first axis (4a) can enclose a first axis angle between o ° and 90 ° (i.e. more than 0 ° and less than 90 °) with the step surface and the second axis (4b) can enclose a second axis angle between o ° and Include 90 ° with the step surface (2).
- the first and second axis angles can be the same or different.
- the aforementioned settings of the two axes (4a, 4b) relative to the step surface (2) enable a user to operate the step surface (2) and thus control the sound by rotating the step surface (2) around the two axes (4a, 4b) facilitate.
- the signal generator (3) can be configured such that it generates the first signal in response to the rotation of the tread surface (2) about the first axis (4a) and the second signal in response to the rotation of the tread surface (2) about the second Axis (4b) generated.
- the step surface (2) can, for example, initially be arranged in a neutral position. When the step surface (2) is rotated about the first axis (4a), the signal generator (3) can generate the first signal. When the step surface (2) is rotated about the second axis (4b), the signal generator (3) can generate the second signal.
- a deflected position denotes a state of the step surface (2) in which the step surface (2) is rotated, starting from the neutral position, about the first axis (4a) or about the second axis (4b).
- the first signal can depend on a first angle of rotation of the step surface (2) about the first axis (4a), and the second signal can depend on a second angle of rotation of the step surface (2) about the second axis (4b).
- the first signal can be configured to control a first parameter of the sound
- the second signal can be configured to control a second parameter of the sound, wherein the first and second parameters of the sound can be different from each other.
- the first and / or the second parameter of the sound can be a continuous parameter such as a volume (as with a “volume pedal”), a tunable filter (as with a “wah-wah”) or another variable (as with an "expression pedal").
- the first and / or the second parameter can in particular be a continuously adjustable variable.
- the first and / or second parameter can be changed continuously by continuously changing an angle of rotation of the step surface (2) about the respective axis.
- the first parameter can be set larger, the larger or the smaller the first angle of rotation is.
- the second parameter can be set larger, the larger or smaller the second angle of rotation is.
- the first and / or second parameter need not necessarily increase or decrease monotonically, however, as a function of the respective angle of rotation.
- a user of the control device (1) can control several parameters of the sound at the same time in a variety of ways by moving the step surface (2).
- two or more parameters can be continuously changed simultaneously by moving a foot.
- new sound experiences can be created and the artistic expression can be intensified.
- the first electrical signal can be configured to control a first sound or first sound effect
- the second electrical signal can be configured to it controls a second sound or second sound effect, wherein the first sound or first sound effect may be different from the second sound or second sound effect, and wherein the resulting sound of the electric musical instrument (l) is based on the first sound or first sound effect and on the second sound or second sound effect.
- control device (1) can be configured so that it receives a first electrical sound effect signal for controlling a first sound effect and a second electrical sound effect signal for controlling a second sound effect.
- the first electrical signal can control the first sound effect by adjusting, amplifying, attenuating or modulating the first electrical sound effect signal
- the second electrical signal can control the second sound effect by adjusting, amplifying, attenuating or modulating the second electrical sound effect signal.
- the control device (1) can be used as a 2-in-i mixer.
- the first and the second sound effect signal can be fed to the control device (1) from the outside, and the strength of the first and the second sound effect signal can be determined by moving the step surface (2) around the first axis (4a) and around the second axis (4b ) be adjusted. It is thus possible to fade easily in one movement between the first and the second sound effect, or the first and / or the second sound effect can be reduced to a minimum.
- the electric musical instrument may be a guitar that has a magnetic pickup and a piezo pickup; each of the signals can then be connected to the device, and by tilting the platform, both volume and mixing ratio can be controlled. Thus new sound experiences can be created and the artistic expression can be intensified.
- the first signal is independent of the rotation of the step surface (2) about the second axis (4b) and the second signal is independent of the rotation of the step surface (2) about the first axis.
- the first signal can also depend on the rotation of the step surface about the second axis (4b), and the second signal can also depend on the rotation of the step surface (2) about the second axis.
- the two parameters of the sound can be changed depending on one another.
- the dependence of the first signal on an angle of rotation of the step surface (2) about the first axis (4a) can be different depending on how large the angle of rotation of the step surface (2) is about the second axis (4b). In this way, a multitude of complex and novel sound experiences can be created and the artistic expression can be intensified.
- the first axis (4a) can have a first distance from the step surface and the second axis (4b) can have a second distance from the step surface (2), the first distance being equal to the second distance. Furthermore, the first distance and / or the second distance can be equal to zero, so that the first axis (4a) and / or the second axis (4b) lies in the step surface. Furthermore, the first axis (4a) and the second axis (4b) can be arranged perpendicular to one another. This makes it easier for a user to operate the step surface (2) and thus control the sound through the respective rotations of the step surface (2) about the two axes.
- the first angle of rotation can be in a first interval between a first minimum angle of rotation and a first maximum angle of rotation, for example between -22 0 and +22 0 , between -20 0 and + 20 °, between -15 0 and +15 0 or between - io ° and + io ° can be changed.
- the second angle of rotation can, in a second interval between a second minimum rotation angle and a second maximum rotation angle, for example between - 40 ° and + 40 °, between -30 0 and + 30 °, between -20 0 and + 20 °, between - 15 0 and +15 0 or between -io ° and + io °.
- the first minimum rotation angle does not equal to the negative first maximum angle of rotation be, ie, the first angle of rotation can, for example, in an interval between -22 and +15 0 0 be changeable. The same applies to the second angle of rotation.
- a user of the control device (1) can use the control device (2) as a foot pedal.
- the user can place a foot on the step surface (2) so that the step surface (2) can be rotated about the first axis (4a) when the user rotates the foot about the first axis (4a) and the step surface can be rotated about the second axis (4b) when the user rotates the foot about the second axis (4b).
- the first minimal Angle of rotation, the first maximum angle of rotation, the second minimum angle of rotation and the second maximum angle of rotation can each be set so that they correspond to a possible or a comfortable rotation of a foot or ankle of the user about the respective axis (4a, 4b). This makes it easier for a user to operate the step surface (2) and thus control the sound through the respective rotations of the step surface (2) about the two axes.
- the control device (1) can furthermore comprise a support surface (5) and a bearing (6).
- the bearing connects the step surface (2) with the support surface (5), so that the step surface (2) is arranged to be rotatable about the first axis (4a) and about the second axis (4b).
- the support surface (5) can rest on a solid base, for example on a floor.
- the control device (1) can be configured so that the step surface (2) automatically returns to the neutral position if no external torque acts on the step surface (2).
- the step surface (2) In the neutral position, the step surface (2) can be arranged parallel to the support surface (5).
- the automatic return to the neutral position can be implemented by a return mechanism which comprises one or more compression springs.
- a return mechanism which comprises one or more compression springs.
- the bearing can comprise a first joint (7a) and a second joint (7b), the first joint (7a) being configured in such a way that the tread surface (2) about the first axis (4a ) is arranged rotatably, and wherein the second joint (7b) is configured such that the step surface (2) is arranged rotatably about the second axis (4b).
- the first joint (7a) can comprise a first joint element (8a) and a second joint element (8b), and the second joint (7b) can comprise a third joint element (8c) and a fourth joint element (8d), the first joint element (8a) is attached to the support surface (5), and wherein the second joint element (8b) is connected to the first joint element (8a), so that the second joint element (8b) is about the first axis (4a) is rotatable, and wherein the third joint element (8c) is attached to the second joint element (8b), and wherein the fourth joint element (8d) is connected to the third joint element (8c), so that the fourth joint element (8d) the second axis (4b) is rotatable, and wherein the step surface (2) is attached to the fourth joint element (8d), and wherein the first joint (7a) is configured such that the step surface (2) rotates around the first axis ( 4a) rotates when the second joint element (8b) rotates about the first axis (4a), and wherein the second joint (7b) is
- a first joint element can comprise a curved groove and a second joint element can comprise a curved spring, the spring engaging in the groove such that the second joint element is connected to the first joint element and is rotatable about an axis.
- the first joint element (8a) can comprise a first sliding surface (9a) and the second joint element (8b) a second sliding surface (9b), the first joint (7a) being configured in such a way that the second joint element (8b) moves relative to the first joint element (8a) moves when the second sliding surface (9b) slides on the first sliding surface (9a), and wherein the third joint element (8c) comprises a third sliding surface (9c) and the fourth joint element (8d) a fourth sliding surface (9d ), wherein the second joint (7b) is configured so that the fourth joint element (8d) moves relative to the third joint element (8c) when the fourth sliding surface (9d) slides on the third sliding surface (9c).
- One or more of the sliding surfaces (9a, 9b, 9c, 9d) can be curved in such a way that their centers of movement are on or close to the tread surface (2).
- the first sliding surface (9a) can have a concave cylindrical segment surface (9a) around the first axis (4a) with a first radius
- the second sliding surface (9b) can have a convex cylindrical segment surface (9b) around the first axis (4a) with the first radius
- the third sliding surface (9c) be a concave cyclinder segment surface (9c) around the second axis (4b) with a second radius
- the fourth sliding surface (9d) be a convex cyclinder segment surface (9d) around the second axis (4b) with the second radius.
- 1A to 2B can comprise a left-hand first joint and a right-hand first joint, the left-hand first joint and the right-hand first joint being the first joint (7a), and wherein the left-hand first joint and the right-hand first joint are arranged on different sides of the second axis (4b).
- control device (1) can comprise a step, wherein the step comprises two parallel side surfaces, and wherein one of the two parallel side surfaces is the step surface (2) and the other of the two parallel side surfaces is a contact surface.
- the left-hand first joint can comprise a left-hand side surface, which is configured such that the contact surface of the footboard rests against the left-hand side surface when the second angle of rotation is equal to the second minimum angle of rotation.
- the right-hand first joint can comprise a right-hand side surface which is configured such that the abutting surface rests against the right-hand side surface when the second angle of rotation is equal to the second maximum angle of rotation.
- the device can comprise a left-hand second joint and a right-hand second joint, wherein the left-hand second joint and the right-hand second joint are each the second joint (7b), and wherein the left-hand second joint and the right-hand second joint are on different sides of the first Axis (4a) are arranged.
- the left-hand second joint may comprise a left-hand curved side surface which is configured such that the contact surface of the footboard rests against the left-hand curved side surface when the first angle of rotation is equal to the first minimum angle of rotation.
- the right-hand second joint comprise a right-hand curved side surface which is configured such that the abutment surface abuts the right-hand curved side surface when the first angle of rotation is equal to the first maximum angle of rotation.
- the tread surface (2) is still rotatable about the second axis (4b) due to the curvature of the respective curved side surface.
- the bearing (6) can comprise a ball head (10) with a ball or a ball section.
- the rotation of the step surface (2) about the first axis (4a) and about the second axis (4b) is realized in this case by the ball head (10).
- the ball head (10) can be mechanically secured against twisting with the aid of a rotation lock (12) if only two axes are to be active.
- FIGS. 3A to 3C the bearing (6) can comprise a ball head (10) with a ball or a ball section.
- the rotation of the step surface (2) about the first axis (4a) and about the second axis (4b) is realized in this case by the ball head (10).
- the ball head (10) can be mechanically secured against twisting with the aid of a rotation lock (12) if only two axes are to be active.
- the bearing (6) can comprise a cardanic suspension with a first pivot bearing and a second pivot bearing, the first pivot bearing being configured such that the tread surface (2) can be rotated about the first axis (4a) is arranged, and wherein the second pivot bearing is configured such that the step surface (2) is arranged rotatably about the second axis (4b).
- bearing (6) can comprise one or more slideways.
- the signal generator (3) can comprise a first signal generator element and a second signal generator element.
- the first signal generator element can be configured to generate the first signal based on a rotation of the step surface (2) about the first axis (4a)
- the second signal generator element can be configured to generate the second signal based on a rotation of the Step surface (2) generated around the second axis (4b).
- the first signal generator element can be a first potentiometer (14a) and / or the second signal generator element can be a second potentiometer (14b).
- the first and the second potentiometer (14a, 14b) can each be attached to the support surface (5).
- the first and / or the second potentiometer can be attached to the step surface (2) or to the bearing (6).
- the first signal generator element can be a first magnetic sensor or Hall sensor (19a), and / or the second signal generator element can be a second magnetic sensor or Hall sensor (19b).
- the first and second Hall sensors (19a, 19b) can each be fastened with the holder (11) or with the support surface (5).
- the first and second Hall sensors (19a, 19b) can each be fastened to the bearing (6).
- control device can comprise: a magnet (20a, 20b) belonging to the respective Hall sensor (19a, 19b), the control device (1) being configured in such a way that a position of the associated magnet (20a, 20b) is relative to the respective Hall sensor (19a, 19b) changes when the step surface (2) rotates about the axis (4a, 4b) belonging to the respective Hall sensor (19a, 19b), and the control device (1) thereby rotates the respective Hall sensor (19a, 19b) causes the output voltage to change depending on the position of the associated magnet (20a, 20b).
- the associated magnet (20a, 20b) can be connected to the ball head (10) or be attached to the bearing (6). If, for example, the first and / or the second Hall sensor (19a, 19b) is attached to the ball head (10) or to the bearing (6), the associated magnet (20a, 20b) with the bracket (11) or be attached to the support surface (5).
- a position of the associated magnet (20a, 20b) changes relative to the respective Hall sensor (19a, 19b) when the step surface (2) rotates around the axis belonging to the respective Hall sensor (19a, 19b) (4a, 4b) rotates, and thereby the control device (1) causes the respective Hall sensor (19a, 19b) to change the output voltage depending on the position of the associated magnet (20a, 20b).
- the step surface (2) can be arranged rotatably about a third axis, the third axis running perpendicular to the step surface (2), and wherein the signal generator (3) is further configured to generate a third electrical signal to control the sound generated, wherein the third electrical signal is based on a rotation of the step surface (2) about the third axis.
- the rotatable arrangement of the step surface (2) around the third axis can be realized similarly as described above for the first and the second axis, for example by a ball joint or by a cardanic suspension with a first pivot bearing, a second pivot bearing and a third pivot bearing.
- the control device (1) can further comprise a base (28).
- the support surface (5) can be arranged to be movable relative to the base (28) in a direction perpendicular to the support surface (5).
- the control device (1) can furthermore comprise an elastic element (26), preferably one or more springs (26), the elastic element (26) in this way between the support surface (5) and the base (28 ) is arranged that when a force acts perpendicularly on the support surface (5), the force causes a deformation of the elastic element (26).
- the elastic element (26) can be designed to provide a counterforce which acts on the support surface (5).
- the support surface (2) can initially be arranged in a neutral position with respect to the base (28), the support surface (2) being at a defined distance from the base (28) in the neutral position.
- the control device (1) can be configured in such a way that the support surface (2) automatically returns to the neutral position if no external force acts perpendicularly on the tread surface (2).
- the automatic return of the The contact surface (2) in the neutral position can be implemented by a return mechanism which comprises the elastic element (26), preferably the one or more springs (26), as shown in FIG. 5A. If an external force acts vertically on the step surface (2), for example if a user loads the step surface (2) with a foot, the external force can be exerted from the step surface (2) via the bearing (6) onto the support surface (5) be transmitted.
- the distance between the supporting surface (5) and the base (28) can be reduced and the one or more springs (26) can be compressed.
- the spring force of the one or more springs (26) press the contact surface (5) in the direction of the starting position, i.e. the neutral position of the contact surface (5 ).
- the support surface (5) can automatically return to the neutral position with respect to the base (28).
- control device (1) can also be equipped with a switching or touch function, which is activated by a vertical load on the tread (2). With the aid of such a switching or touch function, the control device (1) or the electrical musical instrument can be switched on or off, for example.
- the control device (1) can comprise a second central force sensor (24b) which measures a force acting perpendicularly on the step surface (2) and, depending on the measured force, performs the switching or touch function.
- the second central force sensor (24b) can be arranged centrally with respect to the step surface (2).
- the control device (1) can further comprise a plunger (27), wherein, when a force acts perpendicularly on the step surface (2), the plunger (27) is configured such that it transmits the force to the second central force sensor (24b) , and wherein the second central force sensor (24b) is configured to measure the transmitted force and to perform the switching or touch function based on the measured transmitted force.
- the plunger (27) can be connected to the support surface (5) and the second central force sensor (24b) can be arranged wholly or partially in the base (28).
- a force acting vertically on the step surface (2) can be transmitted to the support surface (5) via the bearing (6); the support surface (5) can move vertically in the direction of the base (28) and / or the plunger (27) can exert a force on the second central force sensor (24b); this power can through the second central force sensor (24b) can be measured, and depending on the measured force, the second central force sensor (24b) can perform the switching or touch function.
- the second central force sensor (24b) can be connected to the support surface (5) and the plunger (27) can be arranged partially or entirely in the base (28).
- the control device can comprise a switch (25) and a plunger (27).
- the plunger (27) can mechanically actuate the switch (25) and thereby perform the switching function.
- the plunger (27) and / or the switch (25) can be arranged centrally with respect to the step surface (2).
- the plunger (27) can be connected to the support surface (5) and the switch (25) can be arranged partially or entirely in the base (28).
- the switch (25) can be connected to the support surface (5) and the plunger (27) can be arranged partially or completely in the base (28).
- control device (1) can be configured such that it generates a first electrical reset signal and a second electrical reset signal when executing the switching function for switching off the control device (1), the first reset signal being configured such that it resets the first parameter of the sound to a first initial value, and wherein the second reset signal is configured to reset the second parameter of the sound to a second initial value.
- a switch or button can be integrated into a base (28) of the control device (1), which switches on the sound processing when weight is placed on the step surface and / or resets the variable parameters to an initial value when released.
- This switch or button can either be a mechanical switch or button or a sensor for acting force or for contact, for example touch or capacitive. In this way, the sound processing can be switched off as long as the control device (1) is not operated. Thus, the user can use the sound control more specifically as needed, and also energy can be saved and costs can be reduced. As shown in Fig.
- the control device (1) can furthermore comprise a first central force sensor (24a) which measures a force acting perpendicularly on the step surface (2) or a weight force acting on the step surface (2) and the signal generator (3 ) causes a third electrical signal to be generated to control the sound based on the measured force.
- the first central force sensor (24a) can in particular be arranged centrally with respect to the step surface (2).
- the control device (1) can further comprise a plunger (27), wherein, when a force acts perpendicularly on the tread surface (2), the plunger (27) is configured in such a way that it transmits the force to the first central force sensor (24a) and wherein the first central force sensor (24a) is configured to measure the transmitted force and cause the signal generator (3) to generate a third electrical signal for controlling the sound based on the measured transmitted force.
- the plunger can be connected to the support surface (5) and the first central force sensor (24a) can be arranged partially or entirely in the base (28).
- the first central force sensor (24b) can be connected to the support surface (5) and the plunger (27) can be arranged partially or entirely in the base (28).
- the plunger (27) can be connected to the support surface (5) and the first central force sensor (24a) can be arranged wholly or partially in the base (28).
- a force acting vertically on the step surface (2) can be transmitted to the support surface (5) via the bearing (6); the support surface (5) can move vertically in the direction of the base (28) and / or the plunger (27) can thereby exert a force on the first central force sensor (24a); this force can be measured by the first central force sensor (24a), and depending on the measured force, the first central force sensor (24a) can cause the signal generator (3) to generate the third electrical signal for controlling the sound.
- the first central force sensor (24a) can be connected to the support surface (5) and the plunger (27) can be arranged partially or entirely in the base (28).
- the control device (1) can also comprise a signal spring, which is configured such that it is elastically deformed by a force acting perpendicularly on the step surface (2) and causes the signal generator (3) to generate a third electrical signal for controlling the sound based on the elastic deformation, preferably based on a change in length of the signal spring caused by the elastic deformation.
- the signal spring can be arranged centrally with respect to the step surface (2).
- the signal spring be connected to the support surface (5) and partially or wholly arranged in the base (28).
- the support surface (5) can be connected to the base (28) via the signal spring and can be arranged to be movable in the vertical direction with respect to the base (28).
- the signal spring can correspond to one of the above-described one or more springs (26) of the restoring mechanism of the support surface (5) with respect to the base (28) or be designed separately from these.
- control device (1) can contain both the second central force sensor (24a) or the switch (25) and the first central force sensor (24b) or the signal spring.
- a single force sensor can be used simultaneously for the first central force sensor (24a) and the second central force sensor.
- the first central force sensor (24a) and the second central force sensor (24b) can be designed separately.
- control device (1) can contain a suspension which converts the spring deflection into an electrical control signal when the tread is loaded with weight. In this way, an additional parameter of the sound can be controlled by evaluating the movement in the direction perpendicular to the tread, similar to an accelerator pedal.
- control device (1) can also control two or more parameters or manipulated variables via a number of virtual axes (21a, 21b, 21c) which are calculated from input values by electronics or software.
- control device (1) may comprise a signal converter, such as electronics or software, the signal converter being configured to convert the first electrical signal and the second electrical signal into a fourth electrical signal for controlling the sound.
- the fourth electrical signal can further be configured to control a fourth parameter of the sound, wherein the fourth parameter can be different from the first parameter and / or the second parameter.
- the fourth electrical signal can depend on a fourth angle of rotation of the step surface (2) about a virtual axis (21a, 21b, 21c), the virtual axis (21a, 21b, 21c) being at a first virtual axis angle to the first axis (4a) and is arranged at a second virtual axis angle to the second axis (4b), each of the first and second virtual axis angles being greater than 0 °.
- the virtual axis (21a, 21b, 21c) can run parallel to the step surface (2) or include an axis angle with the step surface (2) which is greater than 0 ° and less than 90 °. As shown in Fig.
- first axis (4a) and the second axis (4b) can be perpendicular to one another be arranged, and the virtual axis (21a, 21b, 21c) can be arranged, for example, each at an angle of 45 ° to the first axis (4a) and to the second axis (4b).
- additional signals can be obtained from the rotation of the step surface (2) about the first axis (4a) and the second axis (4b) by means of an interposed electronics.
- the rotations of the step surface (2) around the first axis (4a) and the second axis (4b) are then interpreted in such a way that when the step surface is rotated around a virtual or imaginary axis that is at an angle to the mechanical axes (4a, 4b), a certain parameter changes continuously, for example.
- the first, second and fourth electrical signals can be configured to control a first, a second and a fourth parameter of the sound, respectively. That is, by rotating the step surface (2) about the first axis (4a) and the second axis (4b), the first, the second and the fourth parameter can be controlled at the same time. Even if the control device (1) only has two mechanical axes (4a, 4b), numerous other sound effects can thus be generated by the electronics connected in between.
- the signal generator (3) can be configured, when the step surface (2) is rotated about the virtual axis (21a, 21b, 21c), that it does not generate the first electrical signal and / or does not generate the second electrical signal , but instead generates a fourth electrical signal, the fourth electrical signal being based on a rotation of the step surface (2) around the virtual axis (21a, 21b, 21c).
- the fourth signal can be configured to control the fourth parameter of the sound.
- control device (1) can automatically recognize that the step surface is rotated around a virtual axis (21a, 21b, 21c) that differs from the first axis (4a) and the second axis (4b), and accordingly the Modify signal generation to the sound of the musical instrument based on the rotation of the platform around the virtual axis (21a, 21b, 21c) instead of based on the rotation of the platform around the first axis (4a) and / or instead of based on the rotation of the platform around to control the second axis (4b).
- the signal converter may be configured to convert the first electrical signal and the second electrical signal into a plurality of fourth electrical signals for controlling the sound, each signal of the plurality of fourth electrical signals being configured to have a corresponding parameter controls a plurality of fourth parameters of the sound.
- Each of the plurality of fourth signals can depends in particular on an angle of rotation of the step surface (2) about a corresponding virtual axis (21a, 21b, 21c) of a plurality of virtual axes (21a, 21b, 21c).
- axes 4a and 4b there can be several virtual axes, each of which has a different angle with respect to axes 4a and 4b.
- the one or more virtual axes can be calculated from input values by the signal converter, electronics or software. This means that any number of sound parameters can be controlled simultaneously. Thus, numerous new sound experiences can be created and the artistic expression can be intensified.
- a control device (1) can also control two or more parameters or manipulated variables via one or more virtual zones (22a-22f).
- the control device (1) can comprise a signal converter which is configured such that it converts the first electrical signal and the second electrical signal into a fourth electrical signal for controlling the sound.
- the sound of the electric musical instrument may be based on a plurality of sound effects, each sound effect of the plurality of sound effects corresponding to a virtual zone (22a-22f) of a plurality of virtual zones (22a-22f), and wherein the fourth signal is configured so that it controls each sound effect of the plurality of sound effects depending on an inclination of the step surface in the direction of the corresponding virtual zone (22a-22f).
- control device (1) can be used as a virtual pedal board.
- several sound sources can be connected to the control device (1) and each assigned to a virtual zone, for example an imaginary position around the control device (1), for example on the floor.
- the corresponding sound source is activated or mixed in. Neighboring positions can automatically influence each other. If, for example, the step surface is inclined in a certain direction, those sound sources can be activated which are approximately assigned to the certain direction. In this way, the user can easily and effectively control a variety of sounds or sound effects at the same time.
- a control device (1) can further comprise one or more force sensors (23a-23h) arranged on the tread, each force sensor (23a-23h) being configured to act on one of the
- the step surface (2) measures the force acting at the position of the respective force sensor (23a-23h), and wherein the signal generator (3) is configured so that it sends a respective electrical signal for control of the sound is generated based on the force measured by the respective force sensor (23a-23h).
- the respective electrical signal can be configured in such a way that it controls a respective parameter of the sound, which can be different from the first and / or the second parameter.
- the parameters corresponding to the respective force sensors (23a-23h) can be the same or differ from one another.
- signals can also be generated by exerting force or weight on the tread surface (2).
- the evaluation of the force signals can take place continuously and be assigned to an additional parameter in each case.
- the signal generator (3) can be configured in such a way that it only generates the respective electrical signal for controlling the sound when the step surface (2) has a respective stop angle is inclined in the direction of the respective force sensor (23a-23h).
- the evaluation of the force signals can only show its effect at the end stop of the rotary movements of the pedal.
- the one or more force sensors (23a-23h) can each be arranged on the edge of the tread surface (2), the several force sensors (23a-23h) in particular at regular intervals or equal angular intervals with respect to an axis (4a, 4b) along the Edge of the step surface (2) can be arranged.
- control device (1) can include eight force sensors (23a-23h), each positioned at an angle of 0 °, 45 0 , 9o 0 , 135 0 , 180 0 , 225 0 , 270 ° or 315 0 with respect to the first axis ( 4a) are arranged as shown in Fig. 8.
- the rotations around the two axes (4a, 4b) can each control a filter and the strength of a modulation effect, and the weight applied to the step surface (2) and measured by the force sensors (23a-23h) could add an echo.
- the final deflection can cause the filter to resonate and the modulation effect increases in speed.
- the control device (1) can further be configured to initiate an electronic conversion as follows: i) an electrical resistor is led out of a potentiometer for use as an expression pedal, and / or ii) an electrical resistor from a potentiometer is used for a mixture two signals are used, and / or iii) one electrical resistance from a potentiometer is used to control built-in effect electronics, and / or iv) sensor signals from magnetic sensors, Hall sensors, photoelectric elements or piezo elements are evaluated in analog or digital fashion and control built-in effect electronics, and / or v ) Sensor signals from magnetic sensors, Hall sensors, photoelectric elements or piezo elements are digitally evaluated and converted into a control protocol for external effects devices (e.g. MIDI Control Change or SysEx).
- a control protocol for external effects devices e.g. MIDI Control Change or SysEx.
- a rotation of the tread surface (2) drives one or more potentiometers which are used as expression input for effect devices.
- a rotation of the step surface (2) is picked up by sensors and converted into a digital control protocol that controls digital devices.
- the electrical signals are used to control an electrical circuit built into the electrical musical instrument itself.
- the bearing (6) can be realized by a first and second joint (7a, 7b), by a ball joint with a ball head (10) and a bracket (11) or by a cardanic suspension (13) , and the first and / or second signal generator element can be implemented by a respective potentiometer (14a, 14b), a rotary encoder, a Hall sensor (19a, 19b), a photoelectric element or a piezo element.
- a respective potentiometer 14a, 14b
- a rotary encoder a rotary encoder
- a Hall sensor (19a, 19b) a Hall sensor (19a, 19b
- photoelectric element or a piezo element a respective potentiometer
- Each of these implementations of the bearing (6) can be combined with each of these implementations of the first and with each of these implementations of the second signal generator element.
- any combination of these realizations can be combined with any of the electronic implementations i) to iv) described above.
- the step surface can have any shape.
- the step surface can be square, rectangular, round, oval or adapted to the shape of a human foot.
- control device (1) can control the sound of the musical instrument by means of the force sensors (23a-23h) described above and / or by rotating the step surface (2) about the two axes (4a, 4b). This means that the control device (1) can only control the sound of the musical instrument using the force sensors (23a-23h) described above and not by rotating the tread (2) about the two axes (4a, 4b). Taxes.
- the step surface (2) does not have to be arranged to be rotatable about two axes (4a, 4b), and the control device (1) can control the sound of the musical instrument exclusively by means of the force sensors (23a-23h) described above.
- a control device (1) for controlling a sound of an electric musical instrument comprises: a step surface (2); a plurality of force sensors (23a-23h) arranged on the step surface; and a signal generator (3) configured to generate a plurality of electrical signals for controlling the sound, each force sensor (23a-23h) of the plurality of force sensors (23a-23h) being configured to have one the step surface (2) measures the force acting at the position of the respective force sensor (23a-23h) and causes the signal generator (3) to generate a corresponding signal of the plurality of signals based on the one measured by the respective force sensor (23a-23h) Strength based.
- each force sensor (23a-23h) of the plurality of force sensors (23a-23h) being configured to have one the step surface (2) measures the force acting at the position of the respective force sensor (23a-23h) and causes the signal generator (3) to generate a corresponding signal of the plurality of signals based on the one measured by the respective force sensor (23a-23h) Strength based.
- the one or more force sensors (23a-23h) on the step surface (2), the first central force sensor (24a) and / or the second central force sensor (24b) can each be implemented, for example, by piezo elements or strain gauges. Note that the one or more force sensors (23a-23h), the first central force sensor (24a) and / or the second central force sensor (24b) can also be used as one or more pressure sensors (23a-23h), a first central pressure sensor (24a ) or a second central pressure sensor (24b) can be designated.
- a control device can in particular denote a foot pedal or an electronic device for foot control.
- an electric musical instrument can be an electronic musical instrument or an electrically amplified musical instrument or a sound-shaping device.
- a first and a second axis can in particular be a transverse axis and a longitudinal axis.
- Examples of controlling a sound include controlling a frequency of a filter and controlling an intensity of distortion.
- a parameter of a sound can in particular be a manipulated variable, and an electrical signal can, for example, indicate an electrical variable.
- the present invention relates to an electronic device for foot control, in which a step surface can be moved in at least two degrees of freedom on an upper side: rotation about a transverse axis and about a longitudinal axis.
- the movement can take place independently of one another across all axes.
- the effect of the mechanical movement is converted into electrical quantities, which in turn are a sound-shaping device or a control the software used.
- a movement around the transverse axis controls, for example, a frequency of a filter, and a movement around the longitudinal axis controls, for example, an intensity of a distortion.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Electrophonic Musical Instruments (AREA)
Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102019120024.5A DE102019120024B4 (en) | 2019-07-24 | 2019-07-24 | Multi-axis foot pedal as a control device for controlling a sound of an electric musical instrument |
PCT/EP2020/070848 WO2021013953A1 (en) | 2019-07-24 | 2020-07-23 | Multi-axis foot pedal for electric musical instruments |
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EP3984018A1 true EP3984018A1 (en) | 2022-04-20 |
EP3984018B1 EP3984018B1 (en) | 2022-12-21 |
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EP20745193.1A Active EP3984018B1 (en) | 2019-07-24 | 2020-07-23 | Multi-axis foot pedal for electric musical instruments |
Country Status (4)
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US (1) | US11756517B2 (en) |
EP (1) | EP3984018B1 (en) |
DE (1) | DE102019120024B4 (en) |
WO (1) | WO2021013953A1 (en) |
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JP2023012709A (en) * | 2021-07-14 | 2023-01-26 | ローランド株式会社 | Control device, control method, and control system |
CZ202368A3 (en) * | 2023-02-21 | 2023-11-15 | Jihočeská Univerzita V Českých Budějovicích | A pedal for controlling musical instruments |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4245539A (en) | 1978-03-07 | 1981-01-20 | Parmac Technology, Inc. | Musical platform |
DE3621172A1 (en) | 1986-06-25 | 1988-01-07 | Rainer Franzmann | Foot-controlled playing arrangement for electronic musical instruments |
US4817950A (en) * | 1987-05-08 | 1989-04-04 | Goo Paul E | Video game control unit and attitude sensor |
GB2230125A (en) * | 1989-04-06 | 1990-10-10 | British Aerospace | Pattern recognition apparatus |
US5982355A (en) * | 1993-11-05 | 1999-11-09 | Jaeger; Denny | Multiple purpose controls for electrical systems |
AU6845096A (en) | 1995-09-01 | 1997-03-27 | Hunter Digital, Ltd | System for steering an electronically responsive device |
US6011212A (en) * | 1995-10-16 | 2000-01-04 | Harmonix Music Systems, Inc. | Real-time music creation |
GB2320125A (en) | 1996-12-05 | 1998-06-10 | Ethymonics Ltd | Controlling the characteristics of an audio signal |
US6225977B1 (en) * | 1997-03-25 | 2001-05-01 | John Li | Human balance driven joystick |
DE10348503A1 (en) | 2003-10-18 | 2005-05-25 | Lutz Trautmann | Human machine interface e.g. for intuitive control of electronic music, has hand course direction control with electric check signals converted into real time and angular movement is orthogonal or axially to thrust course movement |
US7674991B2 (en) * | 2005-01-18 | 2010-03-09 | Baird Derrick L | Pedal assemblies and methods for signal control |
US7304232B1 (en) * | 2006-02-11 | 2007-12-04 | Postell Mood Nicholes | Joystick gain control for dual independent audio signals |
US8338689B1 (en) * | 2008-10-17 | 2012-12-25 | Telonics Pro Audio LLC | Electric instrument music control device with multi-axis position sensors |
DE202008016247U1 (en) * | 2008-12-08 | 2009-02-26 | Jäger, Edwin | Seat device with sensor device |
FR3019662B1 (en) | 2014-04-08 | 2016-04-15 | Eric Simon | IMPROVED HAPTIC CONTROLLER |
US9874944B2 (en) * | 2015-05-06 | 2018-01-23 | Pedram Khojasteh | System, method and device for foot-operated motion and movement control in virtual reality and simulated environments |
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2019
- 2019-07-24 DE DE102019120024.5A patent/DE102019120024B4/en not_active Expired - Fee Related
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2020
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- 2020-07-23 EP EP20745193.1A patent/EP3984018B1/en active Active
- 2020-07-23 WO PCT/EP2020/070848 patent/WO2021013953A1/en active Search and Examination
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US11756517B2 (en) | 2023-09-12 |
US20220351709A1 (en) | 2022-11-03 |
WO2021013953A1 (en) | 2021-01-28 |
DE102019120024B4 (en) | 2022-03-24 |
EP3984018B1 (en) | 2022-12-21 |
DE102019120024A1 (en) | 2021-01-28 |
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