KR20050032397A - Distance measuring system and method for the golf - Google Patents

Abstract

A distance measurement system and a method for thereof for the golf are provided to precisely measure a distance between a golf ball and a predetermined hole cup. A distance measurement system for the golf includes at least two antennas and a portable terminal(300). The antennas include first and second antennas spaced from each other by a predetermined distance. The first and second antennas are aligned in a triangular pattern in relation to a hole cup formed in a golf field. The portable terminal(300) includes a power source(310), a control panel(320), a display section(330), a transmission/reception section, a code analysis section, a memory section, a calculation section and a control section.

Description

Distance measuring system and method for golf

The present invention relates to a distance measuring device and a distance measuring method for golf. More specifically, the distance between the golf ball and the hole cup or the main point and the distance and angle of the golf ball from the previous point by a triangulation method using the distance between the golf ball and two distance measuring antennas installed in a specific part of the golf course. A golf distance measuring system and a measuring method for calculating (direction).

In general, golf is a sport in which a golf ball is put into a hole cup with the lowest possible stroke. Therefore, the golfer must accurately determine the distance between the golf ball and the hole cup in order to score better.

The distance between the golf ball and the hole cup is measured by referring to the distance indicator along the fairway at 50 or 100 yards or the flagpoles in each hole cup. In this method, the golfer's sense is used to measure the distance between the golf ball and the hole cup, so the error occurrence rate is high and accurate distance calculation is difficult.

Location tracking techniques include the use of base stations and the use of satellites. The method of using a base station is a method of determining the position of a mobile phone holder using a so-called trigonometry, and the method of using a satellite is generally called a global position system (GPS). The present invention is applied to the distance measuring system for golf.

US Patent No. 6,104,337 (Patent Publication No. 2000.8.15) discloses a technique related to "golf range finder", in which a distance between a golf player and a hole cup is measured by a wireless communication method using a microcomputer and a portable LCD is used. Techniques for displaying distances on displays have been described.

Recently, in order to provide convenience to golfers, a technology of measuring a distance between a golf ball and a hole cup by a wireless communication method and viewing the measured distance as a portable terminal of a golfer is used.

Meanwhile, Patent No. 2001-58687 (published on March 28, 2003) filed by the applicant on September 21, 2001, is equipped with a GPS receiver in a "distance, azimuth and altitude measuring device using a mobile phone" or a mobile phone service using a hole cup and golf Techniques for measuring distance, azimuth, altitude or distance, azimuth and altitude between major objects have been published. However, there is a problem in that a transmitter for transmitting a signal to a portable terminal is required for every hole, and a large installation cost is required.

Accordingly, an object of the present invention is to accurately measure the distance between a golf ball and a hole cup or a main point and a distance and an angle (direction) from a relative point previously by a triangulation method using two reference points installed on a golf course, and the measured distance An apparatus and method for displaying a number by number are provided.

In order to achieve the above object, the present invention transmits a predetermined distance confirmation signal to the outside and receives a signal transmitted from the outside to calculate a distance and angle (direction) from a golf ball to a predetermined point, and calculates the calculated distance and A portable terminal for displaying a direction, and at least two or more spaced apart from each other at a predetermined point of the golf course and provides a distance measuring system for a golf including a predetermined signal to each of the portable terminal by the distance confirmation signal.

The present invention also provides a method for transmitting a distance identification signal from a portable terminal to a first antenna and a second antenna, and carrying a predetermined signal including a unique ID from a first antenna and a second antenna receiving the distance identification signal. Transmitting to a terminal, receiving a signal transmitted from a first antenna and a second antenna in a portable terminal and measuring a first distance from a first antenna to a golf ball and a second distance from a second antenna to a golf ball The measured first distance, the second distance, and the distance between the hole cups preset in the portable terminal;

The distance between the golf ball and the selected hole cup and the distance and angle from the previous intimacy point by trigonometric method using distance information between the first antenna and the second antenna and distance between the first and second antennas and the hole cups. Direction), and displaying the distance between the golf ball and the selected hole cup and the distance and angle (direction) from a relative point on the display of the portable terminal. Provide a method.

The calculating of the distance between the golf ball and the selected hole cup may include a first distance between the second distance and the third distance using a first distance and a second distance, and a third distance between the preset first antenna and the second antenna. Calculating the angle between the third and fourth distances using a third distance, a fourth distance between the second predetermined antenna and the selected hole cup, and a fifth distance between the first predetermined antenna and the selected hole cup. Calculating a second angle, and calculating a third angle between the second and fourth distances by subtracting the value of the first angle from the value of the second angle.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a plan view showing a golf distance measuring system according to the present invention.

Referring to FIG. 1, the distance measuring system 100 according to the present invention includes at least two antennas 200 installed at a golf course and transmitting a distance measuring signal, and a portable terminal 300 carried by the golfer 1. do.

The antenna 200 includes a first antenna 210 and a second antenna 220, and the first antenna 210 and the second antenna 220 are spaced apart from each other. The first antenna 210 and the second antenna 220 have a triangular shape when the hole cups 20 formed in the golf course 10 and the first antenna 210 and the second antenna 220 are connected in a straight line. Install it where you can. This is for the distance measuring system 100 to calculate the distance between the golf ball 30 and the selected hole cup 20 by trigonometry. Therefore, when any one of the plurality of hole cups 20 is in a straight line when the first antenna 210, the second antenna 220, and the hole cup 20 are connected in a straight line, the antenna 200 may be in a straight line. The distance between the hole cup 20 and the golf ball 30 positioned above cannot be measured.

2 is a perspective view illustrating a portable terminal according to the present invention, and FIG. 3 is a block diagram of FIG. 2.

2 and 3, the portable terminal 300 includes a power supply unit 310, an operation panel unit 320, a display unit 330, a transceiver unit 340, a decryption unit 350, and a memory unit 360. ), A calculator 370, and a controller 380.

The power supply unit 310 is installed to be detachably attached to the rear of the portable terminal 300, and supplies power required for each component constituting the portable terminal 300 according to the control signal.

The operation panel 320 includes a button including a numeric key 322, a function selection key 324, and the like on a predetermined portion of the front surface of the portable terminal 300. The control panel 320 selects the number of the hole cup 20, transmits a distance confirmation signal to the first and second antennas 210 and 220, and generates a signal for obtaining various information such as weather, wind direction, and wind speed. .

The display unit 330 is located on the front surface of the portable terminal 300 together with the operation panel 320, and displays the information necessary by the operation of the operation panel 320 according to the control signal so that the golfer 1 can know the information. do.

The transceiver 340 transmits the distance confirmation signals generated by the operation of the operation panel 310 to the first and second antennas 210 and 2200 according to the control signal, and the first and second antennas 210 and 220 receives the encrypted distance measurement signal.

The decryption unit 350 decrypts the distance measurement signal received from the transceiver 340 and outputs the decryption signal to the operation unit 370.

The memory unit 360 may include a distance between the first antenna 210 and each hole cup 20, a distance between the second antenna 220 and each hole cup 20, and a first antenna 210 and a first antenna 210. The distance between the two antennas 220 is stored. Since the first antenna 210, the second antenna 220, and the respective hole cups 20 are fixed in the golf course 10, the first antenna 210, the second antenna 220, and the respective hole cups 20 are fixed in the golf course 10. have.

The calculator 370 transmits the time when the distance measurement signal transmitted from the first antenna 210 is received by the transceiver 340 and the second antenna 220 by using the signal received from the decryption unit 350. The distance measurement signal converts the time received by the transceiver 340 into a distance. The distance to the golf ball 30 and the selected hole cup 20 and the distance and angle from the previous relative point by trigonometric method using the converted distance of two points and preset distance information transmitted from the memory unit 360. Calculate (direction).

The control unit transmits control signals necessary for the power supply unit 310, the operation panel unit 320, the display unit 330, the transceiver unit 340, the decryption unit 350, the memory unit 360, and the operation unit 370. Overall control of the portable terminal. That is, when the hole cup 20 number is selected from the operation panel 320, the display unit 330 is controlled to display the selected hole cup 20, and when a distance confirmation signal is generated from the operation panel 320. The control signal is output to the transceiver 340 so that the distance confirmation signal is transmitted to the outside. When the distance measurement signals generated from the first and second antennas 210 and 220 are input to the transceiver 340, a control signal is output to the decryption unit 350 to decrypt the encryption. When the code is decrypted, the control signal is transmitted to the memory unit 360 and the operation unit 370 to determine the distance from the golf ball 30 to the selected hole cup 20 and the distance and angle (direction) from the relative point. To calculate. When the distance is calculated, the display 320 is controlled to display the calculated distance.

The process of measuring the distance between the golf ball and the selected hole cup using the golf distance measuring system configured as described above will be described with reference to FIGS. 4A to 4D.

4A to 4B are views for explaining a process of measuring the distance between the golf ball and the selected hole cup. For convenience of explanation, the parts to be measured at each step are indicated by a solid line, and the parts to be measured at the previous step or to be measured at the next step are indicated by dotted lines. Then, the process of measuring the distance between the golf ball and the first hole cup will be described.

First, the golfer 1 selects the hole cup 20 number, for example, the hole cup 1 (22), to be measured using the operation panel 320 of the portable terminal 300 at the portion where the golf ball 30 is located. Then, the button for generating the distance confirmation signal from the operation panel unit 320 is pressed. Then, the controller 380 transmits a control signal to the transceiver 340, and the transceiver 340 transmits the distance confirmation signal toward the first antenna 210 and the second antenna 220 according to the control signal.

The first antenna 210 and the second antenna 220 receiving the distance confirmation signal output from the portable terminal 300 encrypts the distance measurement signal including the ID of the antenna and transmits it to the portable terminal 300. .

Thereafter, the transceiver 340 of the portable terminal 300 inputs the distance measurement signals output from the first and second antennas 210 and 220. The distance measurement signal input to the transceiver 340 is output to the decryption unit 350 by the control signal of the control unit 380, the decryption unit 350 is the first antenna 210 and the second antenna 220 Decrypt each ranging signal sent from it.

The decrypted distance measurement signal is output toward the calculator 370 by the control signal of the controller 380. The calculator 370 inputs the distance measurement signal may include a time when the distance measurement signal transmitted from the first antenna 210 is received by the transceiver 340 and a distance measurement signal transmitted from the second antenna 220. The time received at 340 is converted into a distance. As shown in FIG. 4A by the calculating unit 370, the distance c between the first antenna 210 and the golf ball 30 (hereinafter, referred to as a “first distance”) and the second antenna 220; When the distance a between the golf balls 30 (hereinafter referred to as "second distance") is calculated, the controller 380 transmits a control signal to the memory unit 360. Then, the memory unit 360 sets predetermined distance information, that is, the distance between the first antenna 210 and the hole cup 1 22, the distance between the second antenna 220 and the hole cup 1 22, and the first distance information. The distance value between the antenna 210 and the second antenna 220 is output to the calculator.

The calculator 370 calculates the distance between the golf ball 30 and the hole cup 1 22 using the first distance c, the second distance a, and the distance information transmitted from the memory unit. This will be described in detail with reference to FIGS. 4A to 4D.

Referring to FIG. 4A, the first distance c, the second distance a, and the memory unit 360 calculated using the distance measurement signals transmitted from the first antenna 210 and the second antenna 220. The distance between the third distance (b) and the second distance (a) by using the distance (b (hereinafter referred to as "third distance")) between the first antenna 210 and the second antenna 220 transmitted from Find the first angle (C). Reference numeral A denotes an angle between the third distance b and the first distance a when the straight line is connected from the second antenna 220 to the golf ball 30 via the first antenna 210. The angle B is an angle between the first distance c and the second distance a when a straight line is connected from the first antenna 210 to the second antenna 220 via the golf ball 30.

Referring to FIG. 4B, the third distance, the distance d between the first antenna 210 received from the memory unit 360 and the hole cup 1 22 (hereinafter referred to as a “fourth distance”) and the hole cup The second angle between the third distance b and the fifth distance e using the distance e between the first antenna 22 and the second antenna 220 (hereinafter referred to as a "fifth distance"). Obtain D) That is, X = D-C.

4C, the third angle X between the second distance a and the fifth distance e is obtained by subtracting the value of the first angle from the value of the second angle.

Finally, referring to FIG. 4D, the distance between the golf ball 30 and the hole cup 1 (22) by trigonometric method using the second distance (a), the fifth distance (e), and the third angle (X). Find (x).

When the calculating unit 370 calculates the distance x between the golf ball 30 and the hole cup 1 22 by the method described above, the calculating unit 370 displays the distance x calculated by the control signal. The display unit 330 displays the distance x calculated by the command of the controller 380 as a number so that the golfer 1 can know it. By calculating the distance calculated in this manner, the angle and the direction can be calculated to be equal.

The golfer 1 may send the golf ball 30 to the hole cup 1 22 by referring to the distance displayed on the display unit 330 of the portable terminal 300 and proceed with the correct play.

In the foregoing detailed description of the invention, preferred embodiments have been described. Design changes made by a person of ordinary skill in the art without departing from the technical spirit of the present invention described in the claims are considered to be within the scope of the present invention.

As described in detail above, according to the present invention, by setting up a golf distance measuring system for installing at least two antennas in the golf course and setting the position of the golf ball using a portable terminal, the golf ball and the selected hole cup or main point The distance to the car can be measured accurately, allowing the golf player to enjoy golf accurately.

In addition, since only two antennas are installed in the golf course and two antennas installed in one golf course can be used in another adjacent golf course, there is an economic effect that the installation cost can be reduced.

1 is a plan view showing a golf distance measuring system according to the present invention,

2 is a perspective view showing a portable terminal according to the present invention;

3 is a block diagram of FIG. 2.

4A to 4B are views for explaining a process of measuring the distance between the golf ball and the selected hole cup.

<Description of the code for the main components of the drawing>

10: golf course 20: hole cup

100: measuring system 200: antenna

210: first antenna 220: second antenna

300: portable terminal 330: display unit

Claims (4)

In a distance measuring system for golf, a predetermined distance confirmation signal is transmitted to the outside, and the signal transmitted from the outside is received to calculate the distance from the golf ball to the hole cup and the distance and angle (direction) from a previous relative point. A portable terminal for displaying the calculated distance and direction; And At least two or more spaced apart from each other at a predetermined point of the golf course, the distance measuring system for a golf, characterized in that it comprises an antenna for transmitting a predetermined signal to each of the portable terminal by the distance confirmation signal. The portable terminal of claim 1, further comprising: a memory unit configured to store a distance between the antenna and the hole cups and a distance between the antennas; An operation panel unit for selecting a number of the hole cup to measure a distance and generating various signals; A transmission / reception unit for transmitting the distance confirmation signal generated by the operation panel unit to the antennas and receiving the signals transmitted from the antennas; An operation unit for measuring a distance between the golf ball and the antenna based on a time input from the antennas to the transceiver and calculating a distance between the golf ball and the selected hole cup using the measured distance; ; A display unit for displaying the calculated distance; Golf distance measuring system comprising a control unit for controlling the overall portable terminal. A portable terminal for calculating and displaying a distance from the golf ball to the selected hole cup, a first antenna installed in a predetermined place of the golf course, a second antenna spaced apart from the first antenna and installed in a predetermined place of the golf course In the measuring method using a distance measuring system for golf, Transmitting the distance confirmation signal from the portable terminal to the first antenna and the second antenna; Transmitting a predetermined signal including a unique ID from the first antenna and the second antenna, which has received the distance confirmation signal, to the portable terminal; Receiving a signal transmitted from the first antenna and the second antenna in the portable terminal and measuring a first distance from the first antenna to the golf ball and a second distance from the second antenna to the golf ball step; The measured first distance, the second distance, and the distance between the hole cups preset in the portable terminal, the distance between the first antenna and the second antenna, and the first and second antennas and the hole cups. Calculating distances between the golf ball and the selected hole cup by using triangulation and distances and angles (directions) from relative points before; And displaying a distance between the golf ball and the selected hole cup and a distance and an angle (direction) from a previous point of contact on the display of the portable terminal. 4. The method of claim 3, wherein calculating the distance between the golf ball and the selected hole cup Calculating a first angle between the second distance and the third distance by using the first distance, the second distance, and a third distance between the preset first and second antennas; Between the third distance and the fourth distance using the third distance, a fourth distance between the preset second antenna and the selected hole cup, and a fifth distance between the preset first antenna and the selected hole cup; Calculating a second angle of the; Calculating a third angle between the second distance and the fourth distance by subtracting the value of the first angle from the value of the second angle;  Using the second distance, the fourth distance, and the third angle to calculate the distance between the golf ball and the selected hole cup and the distance and angle (direction) from a relative point before by a trigonometry; Distance measurement method.