KR101667554B1 - Visualization apparatus for geomagnetic reversal - Google Patents

Visualization apparatus for geomagnetic reversal Download PDF

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Publication number
KR101667554B1
KR101667554B1 KR1020160030223A KR20160030223A KR101667554B1 KR 101667554 B1 KR101667554 B1 KR 101667554B1 KR 1020160030223 A KR1020160030223 A KR 1020160030223A KR 20160030223 A KR20160030223 A KR 20160030223A KR 101667554 B1 KR101667554 B1 KR 101667554B1
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South Korea
Prior art keywords
magnetic
magnetic field
earth
reversal
body part
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KR1020160030223A
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Korean (ko)
Inventor
류충렬
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한국지질자원연구원
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0047—Housings or packaging of magnetic sensors ; Holders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0064—Arrangements or instruments for measuring magnetic variables comprising means for performing simulations, e.g. of the magnetic variable to be measured

Abstract

The present invention provides a visualization apparatus for geomagnetic reversal, including: a magnetic field indicating part including a magnetic field indicating member having magnetism and indicating the north magnetic pole and the south magnetic pole of the earth; a body part including the multiple magnetic field indicating members on the top; a support part which is in a predetermined length perpendicular to the tangent line to the outer circumference of the body part and is provided in one side and the other side facing the one side; a movable part joined to the support part to be moved in a longitudinal direction; and a magnetic body part having magnetism and joined to the movable part. The support part is located to be perpendicular to the north magnetic pole and the south magnetic pole. The magnetic body part is joined to have the same polarity as the north magnetic pole and the south magnetic pole indicated by the magnetic field indicating member to move to the side of the body part and reverse the indicating direction of the magnetic field indicating member into the reverse direction of the magnetic field of the earth. According to the present invention, the visualization apparatus for geomagnetic reversal is capable of copying a natural residual magnetic phenomenon wherein magnetic materials and minerals are arranged in a row in the direction of the magnetic field of the earth by being affected by the magnetic field of the earth when a rock is being formed and a natural residual magnetic phenomenon wherein the magnetic materials and minerals are arranged in a direction opposite to the direction of the magnetic field of the earth by the reversal of the magnetic field of the earth, thereby visualizing the natural residual magnetism and the reversal of the magnetic field of the earth and enabling users to understand them clearly.

Description

{Visualization apparatus for geomagnetic reversal}

The present invention relates to an apparatus for global self-reversal visualization.

The geomagnetic field is a magnetic field formed around the earth. It surrounds the outside of the earth centered on the north magnetic pole and south magnetic pole in the north pole as if there is a large magnet inside. It is because of the influence of the earth magnetic field that the compass is pointing to the self and the magnetic north everywhere.

It is also known that the Earth's magnetic field protects life on earth by blocking high-energy particles coming from the sun and space into the earth, and it also affects the formation of earth's surface.

The effect of the geomagnetic field on the formation process of the earth's surface can be easily seen through the phenomenon that occurs in the formation process of the rock.

When a rock is formed, minerals with a magnetic component contained in the rock are magnetized to the direction and magnitude of the earth's magnetic field, and this phenomenon is called natural remnant magnetism.

Natural residual magnetism contains crystals or particles that are magnetized inside when the rock is ejected from the gap of the crust into a molten state to form magma or lava. At first, due to the high temperature, magnetic crystals and particles are magnetized It is not fixed but exists in a random direction.

However, when the magma or lava cools down to a temperature lower than the Curie temperature, the internal magnetic component becomes magnetized, and is hardened in the same direction as the geomagnetic field due to the influence of the geomagnetic field.

Since the geomagnetic field changes its direction and size during the geological period, it can predict the time of formation of the rock by confirming the direction and magnitude of the natural residual magnetism formed in the rock, and it is an important clue to understand the movement of the crust using this.

Thus, the geomagnetic field can understand the existence of the magnetic field through the natural residual magnetism formed on the rock, and it has important meaning to provide information about the formation of rock or the movement of crust.

On the other hand, it can be observed that the natural residual magnetism of the rock is formed in a direction opposite to the direction of the present earth magnetic field, because the direction of the earth magnetic field at the time when the natural residual magnetism is formed in the rock is reversed .

The dynamo theory explains that the reversal of the Earth's magnetic field is due to the difference in material flow in the nucleus and mantle inside the Earth.

Therefore, research has been continued on visualizing the reversal phenomenon of the earth's magnetic field, which can be confirmed by natural residual magnetism formed on the rock, and inducing understanding of it.

A conventional geomagnetic field visualization apparatus for inducing an understanding of the earth's magnetic field is disclosed in, for example, Korean Patent No. 10-0668370, in which a measurement section formed along a meridional band of a global model is formed to measure a declination angle and a dip angle of the earth's magnetic field Lt; / RTI >

However, the above apparatus has a problem that it can not induce an understanding of the reversal phenomenon of the earth's magnetic field, only that the magnetic field on the earth is constructed to understand the difference between true north, magnetic north, south and south.

As described above, among devices for understanding and visualizing the geomagnetic field, there is a lack of research on devices capable of explaining and understanding the reversal phenomenon of the geomagnetic field related to the natural residual magnetism formed in the rock.

Therefore, it is necessary to study the device which can easily understand the reversal phenomenon of the geomagnetic field and explain it through visualization.

Korean Patent Registration No. 0668370 (Published on Jan. 16, 2007) Korean Registered Patent No. 1152679 (Published on June 15, 2012) Korean Patent Publication No. 2012-0134088 (Publication date: December 11, 2012)

SUMMARY OF THE INVENTION The present invention has been devised to solve the above problems, and it is an object of the present invention to provide an apparatus which can easily understand the interpretation of the geomagnetic inversion related to the natural remnant magnetism and explain it through visualization.

The present invention relates to a magnetic field instructing unit having a magnetism and having a magnetic field indicating member indicating a north magnetic pole and a south magnetic pole of the earth, a body portion having a plurality of magnetic field indicating units on the upper surface thereof, A support portion formed on the other side facing the one side and having a predetermined length in a direction perpendicular to the tangent of the outer surface of the body portion, a movable portion coupled to the support portion and movable in the longitudinal direction, and a magnetic body portion coupled to the movable portion, Wherein the supporting portion is positioned in the vertical direction of the magnetic north and the magnetic sensing direction and the magnetic body portion is coupled so that the magnetic body portion has the same polarity as the magnetic north direction and the magnetic north direction indicated by the magnetic field pointing member, The direction of the magnetic field indicating member is reversed in the direction opposite to the earth's magnetic field It provides a geomagnetic reversal visualization device, characterized in a.

In addition, the magnetic field directing part is provided in an irregular arrangement in the body part.

Further, the moving section includes a fixing member for fixing the position of the magnetic body section on the upper surface.

The magnetic body portion may include a permanent magnet or an electromagnet.

The present invention relates to a magnetic field instructing unit having a magnetism and having a magnetic field indicating member indicating a north magnetic pole and a south magnetic pole of the earth, a body portion having a plurality of magnetic field indicating units on the upper surface thereof, A support portion formed at the lower end of the body portion and having a center portion rotatable by being coupled with the body portion, a support portion formed on the other side of the rotation plate portion having a predetermined length in a direction perpendicular to the tangent of the outer circumferential surface of the rotation plate portion, And a magnetic body part having magnetism and being coupled to the moving part, wherein the rotating plate part is rotated to position the supporting part in a direction perpendicular to the direction of the magnetic north and magnetic south, And the magnetic body portion is coupled so as to have the same polarity as the magnetic domain direction, It provides a geomagnetic reversal visualization device, characterized in that, go to the side face of the body to reverse the directions of the magnetic field direction pointing member in the opposite direction of the Earth's magnetic field.

In addition, the magnetic field directing part is provided in an irregular arrangement in the body part.

In addition, the moving unit includes a fixing member for fixing the position of the magnetic body part on the upper surface.

Further, the fixing member is rotatable.

In addition, the magnetic body portion may include a permanent magnet or an electromagnet.

The apparatus includes a magnetic field indicating member for indicating a direction of a geomagnetic field and the magnetic body having magnetism so that a magnetic body having the same polarity direction as the magnetic field indicating member is disposed in a direction perpendicular to the earth magnetic field, The magnetic substance or mineral contained in the rock is formed by the effect of the earth's magnetic field when the rock is formed by using the magnetic field directing member in a direction opposite to the direction of the earth's magnetic field. It is possible to simulate the natural residual magnetic phenomenon formed in a row in accordance with the direction of the magnetic field and the natural residual magnetic phenomenon formed in the direction opposite to the earth magnetic field due to the reversal of the earth magnetic field, To visualize and more clearly understand the effect The.

In addition, the geographical Magnetic Resonance visualization apparatus according to the present invention is configured so that the rotation plate formed at the lower end of the body part and the fixing member formed at the upper end of the moving part can be rotated so that the direction indicated by the magnetic field direction unit can be changed. It is possible to visualize the magnetic direction of the geomagnetic field changing in position and the reversed phenomenon of the changed geomagnetic field.

FIG. 1 is a conceptual diagram illustrating a geostationary autonomous reversal visualization apparatus according to the present invention.
FIG. 2 is a conceptual diagram showing a magnetic field designation section of a geostationary magnetic reluctance visualization apparatus according to the present invention, in which (a) shows a direction of a geomagnetic field, and (b) reverses a direction opposite to a geomagnetic field by a magnetic body part.
FIG. 3 is a diagram showing another embodiment of the geostagnosis reversal visualization apparatus according to the present invention, in which the magnetic field designating section includes: (a) a state in which the direction of the earth's magnetic field is changed; and (b) FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. It will be easy to know if you have the knowledge of.

In describing the present invention, it is to be noted that components having the same function are denoted by the same names and symbols, but are substantially not identical to those of the conventional magnetic field visualization apparatus.

Furthermore, the terms used in the present invention are used only to illustrate a specific example, and are not intended to limit the present invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

Also, in the present invention, the terms such as "comprises" or "having ", and the like, are used to specify that there is a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of other features, numbers, steps, operations, components, parts, or combinations thereof.

The thickness and size of each layer in the drawings are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size of each component does not entirely reflect the actual size.

Hereinafter, the geographical self-reversal visualization apparatus 10 according to the present invention will be described in detail.

According to a first embodiment of the apparatus for global geographical reversal visualization according to the present invention shown in Figs. 1 and 2, the present invention has a magnetism, and a north magnetic pole and a south magnetic pole A magnetic field directing part 100 having a magnetic field directing member 110 to direct the magnetic field directing part 100 to a predetermined position and a body part 200 having a plurality of magnetic field directing parts 100 on its upper surface, A moving part 230 coupled to the supporting part 220 and capable of moving in the longitudinal direction and a magnetic part 250 having magnetic properties and coupled to the moving part 230. The supporting part 220 is formed on one side and the other side, The magnetic field directing member 110 includes a magnetic body 250 having the same polarity as the magnetic field directing member 110 and approaching the side of the body 200 in a direction perpendicular to the earth's magnetic field, Direction of the earth's magnetic field It provides a geomagnetic reversal visualization device formed so as to change the opposite direction.

Referring to FIG. 1, the magnetic field indicating member 110 included in the magnetic field instructing unit 100 has a magnetism and normally indicates a magnetic north of the earth and a direction reversed by a magnetic field supplied from the outside Can play a role.

The magnetic field instructing unit 100 of the present invention can play a role corresponding to magnetic substances or minerals contained in the rock to explain the natural residual magnetic phenomenon occurring in the process of forming the rock. The magnetic field directing member 110 visualizes a direction indicating a direction corresponding to a magnetic substance or mineral contained in the magma or lava ejected from the gap of the crust to the earth's surface, and the magnetic substance or mineral is a high It can be configured to exhibit a natural residual magnetic phenomenon that is present in a random direction with loss of magnetism due to temperature, slowly cooled by temperature, and magnetic materials or minerals are arranged in a row under the influence of the earth's magnetic field while searching for magnetism .

The magnetic field directing member 110 may be formed of any of a variety of known materials having magnetic properties so that the center of the magnetic field directing member 110 is coupled with the magnetic field directing member 100 And can be configured to be rotatable.

Further, the magnetic field instructing unit 100 may further include a fixing pin (not shown) capable of fixing the magnetic field display member, and the fixing pin may rotate (rotate) even if the magnetic field supplied by the magnetic body unit 250 And can be used to visualize the hardness of magnetic substances or minerals arranged in the direction reversed by the geostatic reversal phenomenon.

The fixing pin may be formed in a shape of a letter 'C' on one side of the magnetic field directing unit 100 so as to prevent the magnetic field directing member 110 from rotating so that the edge of the magnetic field directing member 110 is physically fixed Or the rotating shaft coupled with the magnetic field instructing unit 100 may be fixed to fix the magnetic field indicating member 110. [

In the present invention, a plurality of receiving spaces 210 are formed on the upper surface of the body portion 200, and the receiving portion 200 can be configured to receive and support the magnetic field instructing portion 100.

The body portion 200 may be formed of a material that does not block the magnetic field flow, and its size and shape are not limited.

In addition, the body portion 200 may be made of a material or a shape similar to a rock to easily understand the surface of the body portion 200 so as to visualize magma or lava ejected from the gap of the crust The body portion 200 can be formed.

The accommodating space 210 may be formed in an irregular arrangement in the body 200 and may be formed at intervals not to interfere with each other between the magnetic field directing parts 100. In this case, It is possible to visually indicate that the magnetic field designating unit 100, which simulates the role of magnetic crystals or particles inside, is irregularly distributed.

When the direction indicated by the body part 200 and the direction indicated by the magnetic field indicating member 110 of the actual magnetic field instructing part 100 differ from each other depending on the region, the magnetic field instructing part 100 is disengaged, So that it can be received again.

In the present invention, the support portion 220 may be formed in a direction perpendicular to the tangent of the outer circumferential surface of the body portion 200.

The supporting part 220 may be formed of a pair of two supporting parts 220 on one side facing the other side with the body part 200 as a center.

The supporting part 220 may further include a moving part 230 which is movable in the longitudinal direction of the supporting part 220.

The moving part 230 may be formed so as to be movable in the longitudinal direction of the support part 220 so as to be able to adjust the separation distance from the body part 200.

The moving part 230 may include a fixing member 240 that can be attached to and detached from the magnetic body part 250 on the upper surface thereof and can fix the position thereof.

The fixing member 240 may be configured to engage with both sides of the magnetic body part 250 as shown in FIG. 1 to fix the magnetic body part 250.

The fixing member 240 is made of a material having elasticity such as a spring and is made to return to its original shape even when it is opened to the outside. When the fixing member 240 is opened outward and the magnetic body part 250 is inserted When the rear force is removed, the magnetic body part 250 can be fixed by the elasticity of returning to the original shape.

Therefore, when the magnetic body part 250 fixed to the fixing member 240 moves in the direction of the body part 200 by the moving part 230, the magnetic field instructing part 110, which indicates the direction of the geomagnetic field, The magnetic field directing member 110 can direct the direction of the earth's magnetic field when the moving unit 230 is separated from the body 200. In other words, It is possible to visualize the self-reversal phenomenon.

The magnetic body part 250 used in the present invention is positioned at one side of the support part 220 and serves to supply a magnetic field penetrating the entire body part 200.

The magnetic body part 250 may form one or more magnetic body parts 250 around the body part 200 to supply a magnetic field to the body part 200 and preferably two magnetic parts 250 So as to face the body portion 200 as a center.

2, the magnetic body unit 250 is coupled to the fixing member 240 so as to have the same polarity as the magnetic north direction and the magnetic pole direction indicated by the magnetic field directing member 110, So that the reversal phenomenon of the earth's magnetic field can be visualized.

Accordingly, magnetic substances or minerals arranged in a line in the direction of the magnetic field can be visualized under the influence of the earth's magnetic field during the formation of cancerous bodies (Fig. 2 (a)), and when the magnetic body parts 250 are close to the body part 200 The magnetic field directing member 110 is arranged in the direction opposite to the earth's magnetic field due to the polarity of the magnetic field held by the magnetic body unit 250 (FIG. 2 (b)).

The magnetic particle in the rock is arranged and solidified in a state where the earth magnet is reversed due to the above-mentioned effect.

Further, the magnetic body unit 250 can use a variety of known materials capable of supplying a magnetic field. For example, a magnet or an electromagnet can be used to supply a magnetic field.

When the electromagnet is used as the magnetic body unit 250, a magnetic field may be formed and supplied through a current supplied from a power source unit (not shown) on one side.

A magnetic reluctance visualization apparatus according to the present invention includes a magnetic field indicating member 110 for indicating a direction of a geomagnetic field and a magnetic body unit 250 having magnetic properties, (250) approaches the side surface of the body part (200) in a direction perpendicular to the earth's magnetic field to reverse the direction indicated by the magnetic field indicating member (110) in the direction opposite to the earth's magnetic field. Magnetic residual magnetic phenomenon formed by a series of magnetic substances or minerals contained in the rock when the rock is formed according to the direction of the earth's magnetic field due to the influence of the earth's magnetic field and Natural residual magnetic phenomena can be simulated easily and can visualize the reversal phenomenon of natural residual magnetic field and earth magnetic field, There is an effect that can be known.

According to a second embodiment of the present invention, as shown in FIG. 3, the present invention includes a magnetic field instructing unit 110 having a magnetic field indicating member 110 having a magnetism and indicating a magnetic north and a magnetic north of the earth A rotating plate 300 formed at a lower end of the body 200 and rotatable with the center of the body 200, A supporting part 310 formed on the other side facing the one side and having a predetermined length in a direction perpendicular to the tangent of the outer circumferential surface of the rotary plate part 300 and a moving part 330 coupled to the supporting part 310 and movable in the longitudinal direction, And a magnet unit 320 coupled to the moving unit 330. The rotating plate unit 300 rotates to position the supporting unit 310 in the vertical direction of the magnetic north and south magnetic directions, The magnetic field directing member 110 The magnetic body part 320 is coupled to the side of the body part 200 so that the magnetic body part 320 has the same polarity as that of the magnetic field indicating member 110 Direction is reversed in the direction opposite to the earth's magnetic field.

The second embodiment of the magnetic relativity visualization apparatus of the present embodiment is the same as the magnetic field instructing section 100, the body section 200, the support section 310, the moving section 330, the magnetic body section 320, And the fixing member 340 formed at the upper end of the moving part 330 differ from those of the first embodiment.

The rotation plate part 300 is formed at the lower end of the body part 200 and its center is coupled with the body part 200 to be rotatable so that the position of the support part 310 formed at one side of the rotation plate part 300 It can rotate.

For example, the rotation plate 300 may have the same size as that of the body 200, and one side of the rotation plate 300 may be coupled with the body 200 to rotate. In another example, And may be configured to be formed in a circular shape along the outer circumferential surface of the body part 200 and rotate.

The supporting part 310 formed on the rotating plate part 300 may be configured such that the respective supporting parts 310 move together during rotation or the rotating plate part 300 may be constituted by a plurality of rotating plates, So that the support portion 310 can be independently rotated.

The fixing member 340 formed on the moving part 330 includes a rotating member (not shown) rotatable between the moving part 330 and the fixing member 340, So that the magnetic body 320 coupled to the rotor 340 can be rotated.

The magnetic body portion 320 rotated as described above may change the direction of the magnetic field indicating member 110 and the magnetic field indicating member 110 indicating the changed direction may be reversed by the rotation of the fixing member 340 It can be configured to visualize.

This can show the shape of the Earth's magnetic field, which changes its position according to the times, and visualize the reversed state of the changed Earth's magnetic field, thereby enhancing the understanding of the Earth's magnetic field.

When the direction indicated by the body part 200 and the direction indicated by the magnetic field indicating member 110 of the actual magnetic field instructing part 100 differ from each other depending on the region, the rotation of the rotating plate part 300 causes the magnetic field indicating member 110 and the direction of the azimuth display can coincide with each other.

The magnetic reluctance visualization apparatus according to the present invention includes a rotating plate 300 formed at the lower end of the body 200 and a fixing member 340 formed at the upper end of the moving unit 330, It is possible to visualize the magnetic direction of the geomagnetic field whose position changes with time and the reversal phenomenon of the changed geomagnetic field.

10: Earth self-reversal visualization apparatus 100: magnetic field indicator
110: magnetic field indicating member 200:
210: accommodation space 220: support (first embodiment)
230: moving part (first embodiment) 240: fixing member (first embodiment)
250: magnetic body part (first embodiment) 300: rotary plate part (second embodiment)
310: support part (second embodiment) 320: magnetic body part (second embodiment)
330: moving part (second embodiment) 340: fixing member (second embodiment)

Claims (9)

delete delete delete delete A magnetic field directing part having a magnetism and having a magnetic field indicating member indicating a north magnetic pole and a south magnetic pole;
A body portion having a plurality of magnetic field indicating portions on an upper surface thereof;
A rotatable plate formed at the lower end of the body and rotatable about a center of the body;
A supporting portion having a predetermined length in a direction perpendicular to the tangent of the outer peripheral surface of the rotary plate portion and formed on the other side opposite to the one side;
A moving part coupled to the supporting part and movable in a longitudinal direction of the supporting part;
A magnetic body portion having magnetic properties and coupled to the moving portion; And
And a fixing member for fixing the position of the magnetic body part on the upper surface of the moving part,
Further comprising a rotating member rotatable between the moving unit and the fixing member so that the magnetic member rotates as the fixing member rotates with respect to the moving unit. 6. The method of claim 5,
Wherein the magnetic field directing part is provided in an irregular arrangement in the body part. delete delete 6. The method of claim 5,
Wherein the magnetic body portion includes a permanent magnet or an electromagnet.
KR1020160030223A 2016-03-14 2016-03-14 Visualization apparatus for geomagnetic reversal KR101667554B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113409663A (en) * 2021-07-01 2021-09-17 方昶朔 Omnibearing magnetic field display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100668370B1 (en) 2005-10-05 2007-01-16 경북대학교 산학협력단 An instructional instrument for learning the geomagnetism based on an earth model
KR101152679B1 (en) 2009-09-22 2012-06-15 박영웅 Globe to Explain the Earth's Magnetic Field
KR200462713Y1 (en) * 2012-07-04 2012-09-28 이현강 Set for studying the magnetic field
KR20120134088A (en) 2012-10-26 2012-12-11 박영웅 Device for Visual Description of the Shape of the Earth's Magnetic Field
WO2013136097A1 (en) * 2012-03-13 2013-09-19 BLAZAKI, Dionysia Magnetic system of three interactions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100668370B1 (en) 2005-10-05 2007-01-16 경북대학교 산학협력단 An instructional instrument for learning the geomagnetism based on an earth model
KR101152679B1 (en) 2009-09-22 2012-06-15 박영웅 Globe to Explain the Earth's Magnetic Field
WO2013136097A1 (en) * 2012-03-13 2013-09-19 BLAZAKI, Dionysia Magnetic system of three interactions
KR200462713Y1 (en) * 2012-07-04 2012-09-28 이현강 Set for studying the magnetic field
KR20120134088A (en) 2012-10-26 2012-12-11 박영웅 Device for Visual Description of the Shape of the Earth's Magnetic Field

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113409663A (en) * 2021-07-01 2021-09-17 方昶朔 Omnibearing magnetic field display device

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