KR102295126B1 - Putting assistance apparatus based on green information providing putting guide and control method thereof - Google Patents

Abstract

The present invention relates to a putting auxiliary terminal capable of obtaining information on a green and providing a putting guide to a user based on the obtained information. More specifically, the present invention, a distance measuring unit for measuring the distance to a predetermined point on the green; and a control unit for calculating the height or inclination of the green based on the measured distance, wherein the distance measuring unit measures a distance to at least two points, and the control unit, based on the measured distance to the two points It relates to a putting auxiliary terminal, characterized in that for calculating the height or slope of the green.

Description

A putting aid terminal that provides a putting guide based on green information and a control method thereof

The present invention relates to a terminal that provides a putting guide to a user through green information analysis.

In general, in golf, a golfer can send the ball to a desired distance and direction only when he or she takes a shot by properly responding to the inclination of the ground and the like. In particular, a putter is used to put the ball into the hole cup on the green. At this time, the ball rolls over the green and is sent to the hole cup, so it is very important how to grasp the slope of the green and how much force to hit the ball in what direction. It is important.

However, it is not easy for golfers to determine the angle of inclination of the green by themselves, so putting mistakes often occur. In this regard, the term lie, which refers to the slope around the golf ball is landed, is sometimes used. has been disclosed The above technique allows the inclination and direction of inclination of the ground to be determined by combining the level with the shaft or club head constituting the putter.

However, the above techniques are used by integrally combining the level with the putter, which has a problem in that the golfer has to use only the putter combined with the level when measuring the inclination on the green. In the end, considering that the putter used by each golfer is diverse, there is a problem in that each putter uses a putter combined with a level.

In the case of Korean Patent Laid-Open Publication No. 10-2016-0071618 (Title of the Invention: Method for Detecting Green Slope of Golf Field), the green area is photographed using a camera, and the green height and slope are determined through the captured results. We propose a device and method that analyzes and provides to the user.

However, in order to analyze the camera image to determine the height, not only requires a large amount of computation in image analysis, but also has a disadvantage that the accuracy remains at a fairly low level despite the large amount of computation.

Therefore, there is a need for research on a device or method capable of analyzing information on a green image more accurately and quickly, and guiding putting, rather than simply shooting through a camera.

SUMMARY OF THE INVENTION The present invention aims to solve the above and other problems. Another object of the present invention is to provide an apparatus capable of extracting more accurate green information even with a lower computational amount.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description. will be able

According to an aspect of the present invention to achieve the above or other objects, a distance measuring unit for measuring a distance to a predetermined point on the green; and a control unit for calculating the height or inclination of the green based on the measured distance, wherein the distance measuring unit measures a distance to at least two points, and the control unit, based on the measured distance to the two points To provide a putting auxiliary terminal, characterized in that for calculating the height or inclination of the green.

The distance measuring unit, a laser light emitting unit; and a laser light receiving unit, wherein the laser irradiated through the laser light emitting unit may calculate a distance based on a result of detecting the laser light receiving unit.

The distance measuring unit may further measure a distance of a point perpendicular to the ground.

It may further include a tilt detection unit for detecting the tilt.

The controller may calculate a height of the first point based on a first distance to the first point, a second distance of the vertical point, and an inclination angle sensed through the inclination sensor.

The display unit may further include, and the controller may control to output a putting guide screen to the display unit based on the calculated result.

According to another aspect of the present invention to achieve the above or other objects, the method comprising the steps of: measuring a distance to a predetermined point on the green; and calculating the height or inclination of the green based on the measured distance, wherein the measuring the distance includes measuring a distance to at least two points, and the calculating includes the two measured points It provides a control method of a putting auxiliary terminal, characterized in that for calculating the height or inclination of the green based on the distance to.

The effect of the putting auxiliary terminal according to the present invention will be described as follows.

According to at least one of the embodiments of the present invention, there is an advantage in that information on the green can be accurately analyzed and a guide can be provided.

In addition, according to at least one of the embodiments of the present invention, there is an advantage that a process for analyzing information on the green is simple and intuitive.

Further scope of applicability of the present invention will become apparent from the following detailed description. However, it should be understood that the detailed description and specific embodiments such as preferred embodiments of the present invention are given by way of illustration only, since various changes and modifications within the spirit and scope of the present invention may be clearly understood by those skilled in the art.

1 is a block diagram for explaining a putting auxiliary terminal 100, FIGS. 2 and 3 are conceptual views of an example of the putting auxiliary terminal 100 related to the present invention viewed from different directions.
4 is a view showing the structure of the head 103 inside the housing 101 according to an embodiment of the present invention.
5 to 7 are views illustrating a state in which the balance of the head 103 is maintained by the gimbal unit 110 according to an embodiment of the present invention.
8 is a diagram showing the structure of the head 103 according to an embodiment of the present invention. 9 is a diagram illustrating a distance measurement conceptual diagram of the distance measurement unit 142 according to an embodiment of the present invention.
10 is a diagram illustrating a conceptual diagram of measuring distances of a plurality of points 1001 on an area according to an embodiment of the present invention.
11 is a diagram illustrating a conceptual diagram of calculating a height based on a distance to a point according to an embodiment of the present invention.
12 is a diagram illustrating a method of calculating a height difference between two points according to an embodiment of the present invention.
13 is a green information acquisition scenario according to an embodiment of the present invention.
14 is a diagram for explaining a measurement scenario on a measurement location according to an embodiment of the present invention.
15 is a diagram illustrating display information in a measurement process displayed according to an embodiment of the present invention.
16 is a diagram illustrating an output example of a putting guide according to an embodiment of the present invention.
17 is a view showing putting guide information according to another embodiment of the present invention.

Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but the same or similar components are assigned the same reference numerals regardless of reference numerals, and overlapping descriptions thereof will be omitted. The suffixes "module" and "part" for the components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have a meaning or role distinct from each other by themselves. In addition, in describing the embodiments disclosed in the present specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in the present specification, and the technical spirit disclosed herein is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention , should be understood to include equivalents or substitutes.

Terms including an ordinal number, such as first, second, etc., may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When a component is referred to as being “connected” or “connected” to another component, it is understood that the other component may be directly connected or connected to the other component, but other components may exist in between. it should be On the other hand, when it is mentioned that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as "comprises" or "have" are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

1 is a block diagram for explaining the putting auxiliary terminal 100, FIGS. 2 and 3 are conceptual views of an example of the putting auxiliary terminal 100 related to the present invention viewed from different directions.

The putting auxiliary terminal 100 may include an input unit 120 , a sensing unit 140 , an output unit 150 , an interface unit 160 , a memory 170 , a control unit 180 and a power supply unit 190 , etc. can The components shown in FIG. 1 are not essential in implementing the putting auxiliary terminal 100, so the putting auxiliary terminal 100 described in this specification is more or less than the components listed above. can have

The input unit 120 may include a camera 121 for inputting an image signal and a user input unit 123 (eg, the button 109 in FIGS. 2 and 3 ). The image data collected by the input unit 120 may be analyzed and processed as a user's control command.

The sensing unit 140 may include one or more sensors for sensing at least one of information in the putting auxiliary terminal 100 , surrounding environment information surrounding the putting auxiliary terminal 100 , and user information. The sensing unit 140 may include an inclination sensing unit 141 for detecting an inclination and a distance measuring unit 142 . On the other hand, the putting auxiliary terminal 100 disclosed herein may combine and utilize information sensed by at least two or more of these sensors.

Furthermore, the sensing unit 140 according to an embodiment of the present invention proposes to further measure temperature and/or humidity.

In general, when the humidity on the green increases, the frictional force between the golf ball and the turf increases. Accordingly, in one embodiment of the present invention, in order to provide a result that matches the humidity measurement result, humidity may be further measured.

In addition, when the temperature rises, it may also affect the moving distance of the golf ball on the green. In general, when the temperature rises, since the moving distance of the golf ball on the green increases, the temperature may be further measured to provide a result according to the temperature measurement result.

The tilt detection unit 141 may include one or a combination of at least two of a gyroscope sensor, an acceleration sensor, and a rotation sensor, and may provide a result for the operation of the gimbal unit 110 to be described later.

The output unit 150 is for generating an output related to visual, auditory or tactile sense, and may include at least one of the display unit 151 and the sound output unit 152 . The display unit 151 may implement a touch screen by forming a layer structure with the touch sensor or being formed integrally with the touch sensor. Such a touch screen may function as the user input unit 123 providing an input interface between the putting auxiliary terminal 100 and the user, and may provide an output interface between the putting auxiliary terminal 100 and the user.

In addition, the memory 170 stores data supporting various functions of the putting auxiliary terminal 100 . The memory 170 may store a plurality of application programs (application programs or applications) driven in the putting auxiliary terminal 100 , data for the operation of the putting auxiliary terminal 100 , and commands. The application program may be stored in the memory 170 , installed on the putting auxiliary terminal 100 , and driven to perform the operation (or function) of the putting auxiliary terminal 100 by the controller 180 .

Although the gimbal unit 110 will be described in more detail later, according to an embodiment of the present invention, the gimbal unit 110 balances the head 103 in the process of acquiring green information.

In addition to the operation related to the application program, the controller 180 generally controls the overall operation of the putting auxiliary terminal 100 . The controller 180 may provide or process appropriate information or functions to the user by processing signals, data, information, etc. input or output through the above-described components or by driving an application program stored in the memory 170 .

Also, the controller 180 may control at least some of the components discussed with reference to FIG. 1 in order to drive an application program stored in the memory 170 . Furthermore, in order to drive the application, the controller 180 may operate at least two or more of the components included in the putting auxiliary terminal 100 in combination with each other.

The power supply unit 190 receives external power and internal power under the control of the controller 180 to supply power to each component included in the putting auxiliary terminal 100 . The power supply 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.

At least some of the respective components may operate in cooperation with each other to implement the operation, control, or control method of the putting auxiliary terminal 100 according to various embodiments to be described below. In addition, the operation, control, or control method of the auxiliary putting terminal 100 may be implemented on the putting auxiliary terminal 100 by driving at least one application program stored in the memory 170 .

2 and 3, the body of the putting auxiliary terminal 100 according to an embodiment of the present invention has a housing 101 surrounding the head 103, and a handle 102 coupled to the housing 101. ) may be included.

The handle 102 may include a button 109 as one of the user input units 123 . This button 109 may receive an input for an operation of obtaining green information.

A display unit 151 is provided on the rear surface of the housing 101 to output and provide information related to the putting guide to the user.

4 is a view showing the structure of the head 103 inside the housing 101 according to an embodiment of the present invention.

The head 103 is not fixed to the housing 101 , but is coupled to the body and the gimbal unit 110 .

The gimbal unit 110 refers to a device that maintains a rotational balance while the head 103 faces a specific direction. The rotational balance will be described below with reference to FIGS. 5 and 6 .

5 to 7 are views illustrating a state in which the balance of the head 103 is maintained by the gimbal unit 110 according to an embodiment of the present invention.

Referring to FIG. 5 , the head 103 is maintained while looking in a predetermined direction 510 . Even if the user rotates the handle 102 in the left and right clockwise/counterclockwise directions, the gimbal unit 110 rotates the head 103 in the opposite direction to compensate for detecting the tilt of the head 103 in a predetermined direction ( 510) to look at the rotational balance can be maintained.

That is, when rotation is sensed through the tilt detection unit 141 , it operates to rotate in the opposite direction to compensate for the rotation amount.

5 illustrates only the balance of the first axis when the putting auxiliary terminal 100 is viewed from above, the balance may also be maintained on the other axis.

6, even in the front view of the putting auxiliary terminal 100, even if the handle 102 is rotated left or right, the inclination of the head 103 may be fixed. That is, the balance of the second axis may be maintained in FIG. 6 .

That is, as in FIG. 6 , even if the handle 102 rotates left and right, the inclination of the head 103 may be fixed while maintaining a predetermined angle 601 .

Referring to FIG. 7 , even if the handle 102 rotates in the forward and backward directions, the inclination may be fixed while the head 103 maintains a predetermined inclination. The balance maintained in FIG. 7 is the balance about the third axis.

Although the balances for the first to third axes have been individually described in FIGS. 5 to 7 , the actual gimbal unit 110 may operate to simultaneously maintain the balances for the first to third axes.

Meanwhile, in a scan operation to be described in detail below, a user may manually perform a scan while lifting or lowering the head 103 (manual scan). Therefore, in such a manual scan operation, when the user raises or lowers the head 103, the balancing operation about the third axis may be released. That is, in an embodiment of the present invention, only the balancing operation for the third axis may be released while the balancing operation for the first and second axes is maintained.

For example, upon receiving a scan start command from the user, the controller 180 controls the gimbal unit 110 to maintain balance with respect to the first and second axes, but release the balance for the third axis. can do.

That is, the gimbal unit 110 as described above fixes the inclination of the head 103, so that a more accurate result can be obtained for obtaining green information in the present invention.

8 is a diagram showing the structure of the head 103 according to an embodiment of the present invention. 9 is a diagram illustrating a distance measurement conceptual diagram of the distance measurement unit 142 according to an embodiment of the present invention.

Referring to the illustrated drawing, the head 103 may include a camera 121 , a laser pointing unit 122 , and a distance measurement unit 142 .

The distance measuring unit 142 according to an embodiment of the present invention may be provided to include a laser light emitting unit 501 and a laser light receiving unit 502 .

That is, when the laser irradiated through the laser light emitting unit 501 is received again through the laser light receiving unit 502, the distance to the target point is measured based on the received result.

In particular, in one embodiment of the present invention, at least two light emitting modules of the laser light emitting unit 502 may be provided to simultaneously measure a plurality of points during one measurement. That is, when it is assumed that the laser light emitting unit 502 includes six light emitting modules as in FIG. 8 , the distance can be simultaneously measured for six points 902 on the same line 901 as in FIG. 9 . that there is

Furthermore, in the present invention, by sequentially measuring the distance as the angle of the head 103 is changed, it is proposed to measure the distance of points distributed over the area as well as points on the same line 901 .

10 is a diagram illustrating a conceptual diagram of measuring distances of a plurality of points 1001 on an area according to an embodiment of the present invention.

After measuring the distance to the points 902 on the same line 901 as in FIG. 9, the angle of the head 103 is changed (for example, after raising or lowering the angle of the head 103) When measuring the distance, the distance to other collinear points 902' may be measured.

If this operation is repeated, distances to a plurality of points 1001 distributed on the area may be sequentially obtained.

That is, in order to provide a guide for putting to the user, information on the green between the golf ball and the hole must be obtained, and the distance to the corresponding area is measured to obtain the green information.

When the distance is sequentially measured in this way, the measurement situation may be slightly changed each time the measurement is performed due to a user's hand shake or an operation mistake. Therefore, it is proposed to constantly maintain such a measurement situation through the above-described gimbal unit 110 .

That is, in order to compensate for a case in which a measurement situation such as inclination of the head 103 is changed due to a user's manipulation error, it is proposed that the gimbal unit 110 maintains the inclination of the head 103 in a fixed manner.

11 is a diagram illustrating a conceptual diagram for calculating a height based on a distance to a point according to an embodiment of the present invention.

As shown in the drawing, the putting auxiliary terminal 100 may measure _{a first distance d 1} to the first point 1101 at _{a first angle θ 1 .} Using the first distance (d ₁ ) and the first angle (θ ₁ ) measured in this way, the height of the corresponding point and the first height difference (h ₁ ) of the putting auxiliary terminal 100 are calculated using the following Equation 1 can be saved

In other words, with the first height difference (h _1), the height difference (g ₁₎ of the current height (h _ref) and the first branch 1101 of the via can be obtained as shown in equation (2).

In addition to this, regardless of the current height (h _ref ), the height difference between the two points can also be obtained.

12 is a diagram illustrating a method of calculating a height difference between two points according to an embodiment of the present invention.

11 , the first height h ₁ and the second height h ₂ may be calculated.

When the calculated difference between the first and second heights is subtracted, the height difference Δh between the first point 1101 and the second point 1201 can be obtained as in Equation (3).

When the above process is repeatedly performed, height information for a plurality of points 1001 positioned on the area may be obtained as shown in FIG. 10 .

Based on such technical characteristics, the present invention proposes to operate in the following order.

13 is a green information acquisition scenario according to an embodiment of the present invention.

14 is a diagram for explaining a measurement scenario on a measurement location according to an embodiment of the present invention.

In step S1301, the user moves to the measurement position. 14, in one embodiment of the present invention, the golf ball 1402, the hole 1403, and the putting auxiliary terminal 100 are placed on a straight line 1401, and the golf ball 1402 is about 2m behind the measurement position. However, the present invention is not necessarily limited to such a measurement position.

For this straight line 1401 position, the laser pointer unit 122 according to the present invention may provide a guide guide to the user by irradiating a laser that displays a straight line. For example, when the user presses the button 109, such a laser may be irradiated.

The user may input the putting auxiliary terminal 100 to start the measurement while pointing the golf ball 1402 . This input may be, for example, a method of pressing and holding the button 109 .

The pointing state means a state in which the head 103 points to the golf ball 1402 so that measurement can be started based on the golf ball 1402 . For this purpose, a point indicated by the laser pointer unit 122 may be pointed to face the golf ball 1402, or the direction of the predetermined indicator 1405 of the display unit 151 may be adjusted to match the golf ball. will be.

When the putting auxiliary terminal 100 starts the measurement, as described above, while sequentially measuring the distance to several points on the same line, information on a plurality of points on the area may be obtained. At this time, although the user may measure the distance sequentially while changing the angle, such as gradually raising or lowering the position of the head 103, the angle of the head 103 is automatically adjusted by the power unit provided in the head 103 itself. Scanning may occur as it changes.

Such scans may be performed sequentially until the hole 1403 is reached. For example, in the case of a manual scan, the user slowly raises the position of the head 103 and the scan may be made until the pointing is changed to the hole 1403 from the golf ball 1402 being pointed.

In addition, in the case of automatic scanning, the power unit of the head 103 may change the angle of the head 103 until it is sensed that pointing the hole 1403 is detected.

As an example, when the hole 1403 is pointed after being sequentially scanned by a scan operation, the user may finish the scan operation by manipulating the button 109 once more.

In such a series of scan operations, even if the handle 102 is shaken or rotated due to a user's hand shake or an operation mistake, the inclination of the head 103 is effectively fixed by the operation of the gimbal unit 110 described above. It is possible to obtain green information with high accuracy as the measurement situation is kept constant.

Meanwhile, as shown in FIG. 14 , an image captured by the camera 121 may be displayed on the display unit 151 , but when the camera 121 is not provided, information including a simple indicator may be displayed. An example of the information displayed in this way will be described with reference to FIG. 15 .

15 is a diagram illustrating display information in a measurement process displayed according to an embodiment of the present invention.

According to the drawing, in order to convey an intuitive measurement process to the user, a hole indicator 1501 for indicating a hole and a ball indicator 1502 for indicating a golf ball are displayed. And, when shooting starts while pointing the golf ball, numerical values 1504 and 1505 for indicating the position value of the golf ball are displayed.

For example, the first numerical value 1504 means the measured distance between the putting auxiliary terminal 100 and the golf ball. For example, the first numerical value 1504 marked 234 Lagyo indicates that the measured distance is 234 cm.

The second numerical value 1505 may indicate how much the difference in height from the current location is. +3 may mean that the golf ball is positioned +3cm higher than my current position.

When the scans are sequentially performed, the corresponding values may be sequentially displayed on the display (refer to FIG. 15 ( b ) ).

Finally, when the scan to the hole is made, the putting auxiliary terminal 100 may display the position value 1510 of the hole. Analyzing the location value 1510 of this hole, it can be seen that the distance to the hole is 987 cm, and the height of the hole is +10 cm higher than the height of my foot.

16 is a diagram illustrating an output example of a putting guide according to an embodiment of the present invention.

As described above, when green information on the putting area is obtained, the controller 180 according to an embodiment of the present invention analyzes the green information, calculates whether to putt to which position, and provides the information to the user. can provide

Referring to FIG. 16 , the first guide value 1601 is the distance between the user and the hole, the second guide value 1602 is a numerical value indicating additional force (or less force), and the third guide value ( 1603) indicates how far to the left or right of the hole to aim and hit. In particular, the third guide value 1603 may be output to the left when aiming at the left side of the hole, and output to the right when aiming at the right side of the hole.

In the example of Fig. 16 (a), the distance between the user and the hole is 9.87 m, and the position of the hole is slightly higher, so I will hit it with more force to roll about +8 cm. It means a guide to aim 45 cm to the right of the hole. .

In the example of Figure 16 (b), the distance between the user and the hole is 4.22 m, and the position of the hole is slightly low, so I will hit it with less force so that it can roll about -19 cm less, and it means a guide to aim for 30 cm to the left of the hole .

17 is a view showing putting guide information according to another embodiment of the present invention.

According to the illustrated drawing, as in FIG. 16 , first to third guide values 1601 to 1603 are output. This guide value will be as described above in FIG. 16 .

Additionally, in the present invention, it will be possible to provide a further output of the putting prediction curve 1701.

The putting prediction curve 1701 may provide a user with a path on which the golf ball moves, and thus may become a more effective and intuitive putting aid.

The controller 180 according to an embodiment of the present invention proposes to reflect the temperature and/or humidity in guiding the intensity of the force to be struck (ie, in determining the second guide value).

As described above, the sensing unit 140 is provided to measure temperature or humidity, and since temperature and humidity are factors affecting the frictional force between the green and the golf ball, a putting guide reflecting this is provided.

Therefore, the controller 180 may control to decrease the second guide value as the measured temperature is relatively high, and may control to increase the second guide value as the measured temperature is relatively low.

Conversely, when the humidity is high, the frictional force between the golf ball and the green increases, so the controller 180 controls the second guide value to be increased as the measured humidity is relatively high, and the second guide value is decreased as the humidity is relatively low. You can control it to go down.

As described above, the embodiment of the putting auxiliary terminal and its control method according to the present invention has been described, but this will be described as at least one embodiment, and thereby the technical spirit of the present invention and its configuration and operation are not limited thereto. , the scope of the technical idea of the present invention is not limited / limited by the drawings or the description with reference to the drawings. In addition, the concepts and embodiments of the present invention presented in the present invention can be used by those of ordinary skill in the art as a basis for modifying or designing other structures in order to perform the same purpose of the present invention. , an equivalent structure modified or changed by those of ordinary skill in the art to which the present invention belongs is bound by the technical scope of the present invention described in the claims, and does not depart from the spirit or scope of the invention described in the claims. Various changes, substitutions and changes are possible within the limits.

Claims (7)

In the putting auxiliary terminal configured to include a head and a body and for scanning the height or inclination on the green,
a gimbal unit connecting the head and the body and balancing the head;
a tilt detection unit for detecting the tilt of the head;
a distance measuring unit for measuring a distance to a predetermined point on the green; and
Comprising a control unit for calculating the height or slope of the green based on the measured distance,
The control unit controls the gimbal unit to perform a balance maintenance operation based on the sensed inclination,
The scan operation operates in such a way that the distances to the plurality of points on the green are measured while the inclination of the head is sequentially changed at predetermined intervals, and the controller is configured to: Calculate the height or slope of the green,
The control unit controls the gimbal unit to perform only the balance maintenance operation for the remaining second and third rotation axes without performing a balance maintenance operation on the first rotation axis among the three rotation axes while the scan operation is performed. characterized by,
Putting aid terminal.
The method of claim 1,
The distance measuring unit,
laser light emitting unit; and
including a laser light receiving unit;
Characterized in that the distance is calculated based on the result of the laser irradiated through the laser light emitting unit is sensed through the laser light receiving unit,
Putting assistant terminal.
The method of claim 1,
The distance measuring unit,
characterized by further measuring a first distance, which is a distance to a point perpendicular to the ground,
Putting assistant terminal.
delete 4. The method of claim 3,
The distance measuring unit further measures a second distance that is a distance to the first point,
The control unit is
Characterized in calculating the height of the first point based on the measured first and second distances and the inclination angle sensed through the inclination sensor,
Putting assistant terminal.
The method of claim 1,
Further comprising a display unit,
The control unit, based on the calculated result, characterized in that the control to output a putting guide screen to the display unit,
Putting assistant terminal.
delete

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