JPH08224332A - Swing analyzing device for golf club - Google Patents

Abstract

PURPOSE: To facilitate a long term maintenance and management and hold a swing analyzing device in the same operating condition for a long period of time by calculating the speed using a plurality of combinations of analyzing devices composed of a plurality of sensors, and calculating the angle by these sensors arranged in a matrix form. CONSTITUTION: The first to fifth sensors 1-5 are installed in a mat for golf training, and among them the first and fourth 1, 4 are arranged in an arc of circle having a ball supporting part 6 as the enter. When a ball is struck by a club, the club face passes over the first and second sensors 1, 2, and therefore, the speed can be calculated from the time, at which the club passed over the first sensor 1, to the time passing over the second sensor 2. The first and the second sensor 1, 2 ar formed from a plurality of sensor elements, and therefore, it is possible to know at which angle the club head has come to the reference line 7 from which sensor element of the sensors 1, 2 the club head has passed over.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a golf swing analyzing apparatus for measuring a club head speed when a golf club is swung, a movement in an impact state, a speed of a golf ball, a flight direction and the like by a sensor.

[0002]

2. Description of the Related Art In a conventional golf swing analyzer, a pseudo ball is placed at the tip and hits the tee-up pseudo ball to determine the direction and initial velocity of the ball depending on the angle at which it falls due to the impact of Tay. There is a mechanical one that displays or determines the slice or hook of the ball based on the degree of rotation of the struck pseudo ball.

[0003]

However, in the conventional mechanical swing analyzer for golf, it is difficult to maintain the mechanical part used outdoors for a long period of time, and a strong impact is applied near the ball. Therefore, it is difficult to maintain the same operating condition for a long period of time, and the mechanical system has a problem with the measurement system, which is not satisfactory.

[0004]

SUMMARY OF THE INVENTION The present invention does not use any mechanical means, does not use a dummy golf ball, and does not attach a string or the like to the ball. We succeeded in solving the problem by using the sensor, the microcomputer, and the display means. A highly accurate swing analyzer for golf, including a golf ball support, first and second sensors for measuring the speed of the head of the golf club and the approach angle of the club, and the club face angle at impact. A third sensor for measuring the contact position of the golf ball, a fourth sensor for measuring the initial velocity of the golf ball from the time from the moment the golf ball contacts the club face to the passing of a certain point, The sensors are the first sensor and the second sensor with respect to the reference line.
The sensor, the third sensor, and the fourth sensor are arranged in this order, and an electronic circuit for processing the information obtained from the sensor and a display unit for displaying the information obtained by the electronic circuit are provided. It is a swing analysis device for a golf club.

[0005]

In the analyzer constructed as described above, the velocity is calculated from the time required to pass between two points by a plurality of combinations of the analyzers constituted by a plurality of sensors, and the sensors arranged in a matrix form. Determines the angle by optically distinguishing the part that is not covered and the part that is not covered, and determines the flight direction of the golf ball depending on which of the placed sensors the golf ball passes. The slice and hook of the ball can be calculated by measuring and further combining with the angle of the club face with respect to the reference line.

[0006]

EXAMPLES Examples will be described with reference to the drawings.
In FIG. 1, the first (1), the second (2), and the third
The (3), 4th (4), and 5th (5) sensors are incorporated into a golf practice mat (8). The first (1) and fourth (4) sensors are arranged in an arc shape centered on the ball support (6).

The sensor used here is an element for detecting an optical change, for example, a phototransistor, a photodiode, a CCD, etc., and particularly the first (1) and the second (2).
In the above sensor, a magnetic sensor can be used when the tip portion of the golf club is a magnetic material.

When hitting a ball with a club, the club face passes over the first (1) and second (2) sensors, so that when the club passes over the first sensor (1), The _first sensor of the club, wherein the time required to pass over the second sensor (2) is T ₁ and the distance between the first (1) and second (2) sensors is D _1. (1) and the second
The velocity per unit time when passing between the sensors (2) of (1) is obtained by the club head velocity (m / sec) = D ₁ (m) / T ₁ (sec).

The club head passes through the reference line (7) depending on which of the first (1) and second (2) sensors composed of a plurality of sensor elements the sensor head passes over. You can see at what angle you are approaching. This makes it possible to determine whether the club head has entered from the outside and passed through to the inside, or has entered from the inside and passed through to the outside, and it is possible to measure how many angles the club head has entered with respect to the reference line (7).

As described above, in the fourth sensor (4), the respective sensor elements are arranged in an arc shape at equal intervals with respect to the ball supporting portion (6), and the ball supporting portion (6) is provided.
The time from the moment the club face hits the ball placed on the sensor face to passing over any one of the sensor elements of the fourth sensor (4) is T ₂ , and the time from the ball support portion (6) to the fourth sensor ( Assuming that the distance to 4) is D ₂ , the initial velocity of the golf ball (m / sec) = D ₂ (m) / T ₂ (sec) gives the initial velocity of the ball, and further the fourth sensor (4) The initial traveling direction of the golf ball can be obtained by passing over which one of the sensor elements.

Which sensor element is covered by the image projected onto the third sensor (3) at the moment when the golf club contacts the golf ball by the third sensor (3) arranged in a matrix. The angle with respect to the reference line (7) of the club face can be obtained by detecting which sensor element is not covered. Here, it is also possible to use a part of the third sensor (3) as the second sensor (2).

Since the angle of the club face with respect to the reference line (7) obtained above causes the ball to rotate about the axis perpendicular to the axis, the initial velocity of the golf ball, the entrance angle of the club, and the rotation of the club face depending on the angle. Depending on the direction of and the initial velocity of the ball, the microcomputer (9) can calculate whether the hit golf ball is straight, sliced or hooked.

Further, by detecting where the golf ball hits the club face by the third sensor (3), it is possible to determine whether the golf ball hits the sweet spot on the club face or how much the golf ball deviates from the sweet spot. It can detect whether or not it has hit.

Further, the time from starting addressing at the third sensor (3) to entering the backswing and returning the club to the third sensor (3) for a shot is set. The tempo time can be measured by measuring.

Further, the direction of the club face after hitting the golf ball is called rotation, and in order to measure this, a fifth sensor (5) is used for the ball support portion (6) and the fourth sensor (4). By installing it between them, the angle of the club face after hitting the golf ball with respect to the reference line (7) can be measured.

These first (1), second (2), and third
The information signals obtained from the sensors (3), (4), and (5) are processed by the microcomputer (9), and the results are displayed on the display means (10) in real time. The practitioner can learn the results of his shots while performing regular practice at his own pace, without any advice from the person in charge of the lesson.

In order to display the result calculated by the microcomputer (9), a cathode ray tube may be used, a display incorporating a large number of LEDs in a matrix, an LCD or other display means. May be used.

In order to record the result displayed here, a hard copy device (11) for printing the display content on paper or the like may be incorporated in this golf swing analysis apparatus.

By equipping a golf practice field or a golf course practice field with this golf swing analysis device, it is possible to confirm one's golf swing without the need for a special instructor, and check the result of one's own form from the result. It is desirable to attach a time counter (12) to correct the cost and to pay the cost according to the usage time of this device. Furthermore, by inserting a certain coin, this device is exclusively used for a certain time. It may be allowed to be used, the amount displayed by a time counter may be paid after the use, or the payment may be made by a prepaid card.

2 and 3 show an embodiment of the display portion of the present invention using an LCD, and FIG. 4 shows an embodiment in which an LED is used as a display member.

[0021]

Since the present invention is configured as described above, it has the following effects.

This golf swing analysis device is an optical or magnetic measurement device, which is non-contact with other than the ball, and the same golf ball as that used for round play can be used. Therefore, accurate measurement can be performed. Moreover, the ball does not have a string attached, it can be analyzed using a golf ball for competition, and it is not mechanically hit by hitting a ball-shaped object fixed to the device, so it feels strange Without this, good analysis can be performed.

[Brief description of drawings]

FIG. 1 is a layout plan view of a sensor unit incorporated in a mat of a golf swing analysis apparatus.

FIG. 2 is a front view of a display unit of the analyzer.

FIG. 3 is a front view of a display section of the analyzer.

FIG. 4 is a front view of a display unit of the analyzer.

FIG. 5 is a block diagram of the analyzer.

[Explanation of symbols]

 1 1st sensor 2 2nd sensor 3 3rd sensor 4 4th sensor 5 5th sensor 6 Golf ball support part 7 Reference line 8 Mat 9 Microcomputer 10 Display device 11 Hardcopy device 12 Hour meter

Claims (24)

[Claims] 1. A golf ball support, first and second sensors for measuring the speed of a golf club head and a club entrance angle, a club face angle at impact, and a golf ball contact position. A third sensor, a fourth sensor that measures the initial velocity of the golf ball from the time from the moment the golf ball contacts the club face until it passes a certain point, and each sensor is An electronic circuit arranged in the order of the first sensor, the second sensor, the third sensor, and the fourth sensor, for processing the information obtained from the sensor, and for displaying the information obtained by the electronic circuit. A swing analysis device for a golf club, comprising: 2. A golf ball support, first and second sensors for measuring the speed of a golf club head and the club's approach angle, a club face angle at impact, and a golf ball contact position. And a fourth sensor that measures the initial velocity of the golf ball from the time from when the golf ball contacts the club face to when it passes a certain point, and immediately after the contact between the golf ball and the club face. A fifth sensor for measuring a club face angle, and each sensor includes a first sensor, a second sensor, a third sensor, a fifth sensor, and a fourth sensor with respect to a reference line.
2. A swing analysis device for a golf club, comprising: an electronic circuit which is arranged in the order of the sensors and which processes information obtained from the sensor; and a display unit which displays the information obtained by the electronic circuit. 3. The speed of the club head is measured by measuring the time from when the head of the golf club passes near the first sensor to when it passes near the second sensor. The swing analysis device for a golf club according to claim 1. 4. A judgment is made as to which sensor element of a first sensor composed of a plurality of sensor elements and a second sensor composed of a plurality of sensor elements the vicinity of the club tip passes, and with respect to a reference line. The swing analysis device for a golf club according to claim 1, wherein an approach angle of the club is measured. 5. The swing analysis device for a golf club according to claim 1, wherein the second sensor and the third sensor are shared. 6. The fourth sensor is arranged in an arc around the support portion of the golf ball.
The swing analysis device for a golf club described. 7. The club covers a plurality of elements of a sensor element of a third sensor composed of a plurality of elements arranged in a matrix at the moment when the club contacts the ball on the golf ball support. 2. The swing analysis apparatus for a golf club according to claim 1, wherein the face angle of the club with respect to the reference line is measured by detecting the. 8. A club face by measuring on which element of a third sensor composed of a plurality of elements the club face is located when the club contacts the golf ball on the golf ball support. The swing analysis device for a golf club according to claim 1, wherein a position where the golf ball and the golf ball contact each other is measured. 9. The initial velocity of the golf ball is measured by measuring the time required for the club to come into contact with the golf ball on the golf ball support and to pass the ball over the fourth sensor. The swing analysis device for a golf club according to claim 1. 10. A method of measuring which sensor element of a fourth sensor arranged in an arc around a golf ball support on which the ball passes, and confirming the deviation of the direction of the ball from the reference line. The swing analysis device for a golf club according to claim 6, wherein 11. The golf club swing analysis apparatus according to claim 1, further comprising a microcomputer for performing arithmetic processing on information obtained by each sensor. 12. The golf club swing analyzing apparatus according to claim 2, further comprising a microcomputer for calculating the information obtained by each sensor. 13. The swing analyzing apparatus for a golf club according to claim 11, wherein a display means is used to display the calculation result obtained by the microcomputer. 14. The swing analysis device for a golf club according to claim 12, further comprising a microcomputer for performing arithmetic processing on information obtained by each sensor. 15. The swing analysis apparatus for a golf club according to claim 11, wherein a cathode ray tube is used as a display means for displaying the calculation result obtained by the microcomputer. 16. The swing analysis apparatus for a golf club according to claim 11, wherein an LED is used as a display means for displaying the calculation result obtained by the microcomputer. 17. The golf club swing analyzing apparatus according to claim 11, wherein an LCD is used as a display means for displaying the calculation result obtained by the microcomputer. 18. The golf club swing analysis apparatus according to claim 11, further comprising a hard copy machine for printing the calculation result obtained by the microcomputer on paper. 19. The swing analysis device for a golf club according to claim 1, wherein a time meter for displaying an operating time of the golf swing analysis device using a sensor is incorporated. 20. A coin timer is incorporated to set an operation time based on an operation fee of a golf swing analysis device using a sensor.
The swing analysis device for a golf club described. 21. A golf club according to claim 19, wherein a prepaid card is used for settlement of a usage fee by incorporating a time meter for displaying an operation time of a golf swing analysis device using a sensor. Swing analysis device. 22. The swing analysis device for a golf club according to claim 1, wherein the first sensor is arranged in an arc shape with the support portion of the golf ball as a center. 23. The tempo time is measured by measuring the time from the start of the address on the third sensor to the backswing and the time when the club returns to the third sensor for a shot again. The swing analysis device for a golf club according to claim 1, wherein the swing analysis device can measure. 24. A fifth sensor is provided between the ball support and the fourth sensor.
3. The swing analysis device for a golf club according to claim 2, wherein the angle is measured between the sensor and the sensor to measure the angle of the club face after hitting the ball with respect to the reference line.