JPH054113B2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to an information transmission system for a golf course.
For example, it can be used to call golfers from the clubhouse or office.

(b) Prior Art Conventionally, when calling golfers, poles are installed at many locations on the golf course, speakers are installed on the poles, and broadcasting equipment including microphones is installed in the clubhouse or office. ,
This broadcasting equipment and each speaker were connected by wire so that calls could be made.

Such conventional devices spoil the beauty of the golf course,
In order to call one or some golfers, all the golfers must be alerted to the call from the speaker, which naturally interrupts play and has the disadvantage of bothering other golfers.

(c) Purpose of the Invention The present invention was invented in view of the above points, and it is an object of the present invention to provide an information transmission system that does not spoil the beauty of a golf course and does not cause trouble to other golfers.

(d) Structure of the Invention In order to achieve the above object, the system according to the present invention includes a guide line buried along a golf course, and a golf cart that runs on the guide line while detecting a guide running signal flowing through the guide line. The guidance running signal and the information transmission signal are supplied from the signal generator to the guidance line, and the golf cart is
The apparatus is provided with receiving means for receiving the information transmission signal and expression means for expressing the information transmission signal received by the means.

(E) Embodiment An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a model diagram of a golf course. In this drawing, reference numeral 1 indicates a guide line buried along a golf course, along which a plurality of golf carts 2 run. 3 is the clubhouse,
A signal generator 4 for supplying guidance running signals and information transmission signals to the guide line 1 is provided in this house. Also, a signal generator 5 for information transmission signals is provided midway through the course. For this purpose, the information transmission signal can be supplied from two sources, the signal generators 4 and 5.

The signal generator 4 generates a frequency as shown in FIG. 2a.
An AC oscillator 6 that oscillates a guided running signal of about 10KHz to 100KHz, an oscillator 7 for audio as an information transmission signal, and an amplifier 8 that amplifies the output of both oscillators.
It consists of. If the waveform of the output signal P of the AC oscillator 6 is shown in FIG. 3A, and the audio signal Q of the oscillator 7 has the waveform shown in FIG. is shown in Figure C.

The signal generator 5 consists of an oscillator 9 for the audio signal Q and its amplifier 10, as shown in FIG. 2b.
When the oscillator 9 outputs the audio signal Q shown in FIG. 2B, a superimposed signal shown in FIG. A microphone is attached to each oscillator 7, 9.

The guided running signal P and audio signal Q flowing through the guiding line 1 are detected by an antenna serving as a receiving means provided in each golf cart. This golf cart will be explained based on the perspective view shown in FIG. In this drawing, 11 is the cart body of golf cart A,
Drive wheels (rear wheels) 13, 13 are provided on both rear sides of the main body frame 12 made of a pipe as the support body, and a drive motor for driving the wheels and a power source for the drive wheels are provided in the cover 14 between the wheels. It is equipped with a lead acid battery, etc. Main frame 11
has a golf bag placement part 15, a putter case 16, etc., and a mounting stay 18 for the caster part 17 is provided in front of the cart body 11, and a mounting stay 18 for the caster part 17 is provided on the lower surface of the stay for controlling the angle of the caster 19 with respect to the cart body 11. A motor 20 is attached to the motor shaft, and a first pulley 21 is attached to the motor shaft, and a mounting stay 1 is attached to the motor shaft.
A second pulley 23 is provided on the upper surface of each mounting stay on the shaft of the caster frame 22 attached to the caster frame 8, and both pulleys are connected by a timing belt 24.

The caster portion 17 is rotatably attached to the mounting stay 18, that is, the cart main body 11, and is constructed using a caster frame 22 and a caster 19 as main elements. Mounting stay 1 is installed on caster frame 22.
A T-shaped support plate 25 is attached that protrudes forward from the front end of the support plate 8, and a pair of detection coils 26, 2 are mounted on the left and right sides of the tip of the support plate, and are spaced an equal distance from the center of the T-shaped support plate 25.
7 is attached in place. This pair of detection coils detects the alternating magnetic field emitted from the guide wire 1 buried in the road surface, and the deviation of the detection output controls the motor 20 for controlling the angle of the caster 19 with respect to the cart body 11. be.

Reference numeral 28 denotes a control box for switching the running of the golf cart between automatic, electric, manual push, and stop. Reference numeral 29 denotes a manual brake, which is used when the golf cart is driven by electric power or by hand.

The outputs of the pair of detection coils 26 and 27 are converted into direct current and amplified by amplifiers 30 and 31, respectively, as shown in FIG. This amplified output is the differential comparator 3
2, and the drive circuit 33 of the angle control motor 20 is controlled based on the deviation output of these two inputs.
The caster 19 is made to travel on the guide line 1. In this case, the driving speed of the driving wheels 13, 13 may be further controlled based on the deviation output of the differential comparator 32.

In FIG. 4, like the pair of detection coils 26 and 27, 34 is a detection coil that detects the alternating magnetic field from the guide wire 1 and functions as a receiving antenna. The detection signal of this detection coil 34 corresponds to the superimposed signal R flowing through the guide wire 1, and as shown in FIG. The audio signal is amplified by the amplifier 36 and amplified by the speaker 37. Therefore, the detection coil 34 and the band filter 35 function as receiving means B for the information transmission signal, and the amplifier 36 and the speaker 37 function as the expressing means C for the information transmission signal. The speaker 37 is built into the control box 28 located at a high position in the cart body 11 because the sound is transmitted more easily when amplified from a high place above the ground.

FIG. 6 is an explanatory diagram of the relationship between the pair of detection coils 26, 27, the detection coil 34, and the guide wire 1. 3
8 is the ground.

(f) Effects of the Invention As described above, according to the golf course information transmission system according to the present invention, a guide line buried along the golf course and a guide running signal flowing through the guide line are detected while driving on the guide line. A golf cart and
a signal generator that supplies the guidance running signal and the information transmission signal to the guide line; a receiving means provided on the golf cart for receiving the information transmission signal; and information received by the receiving means provided on the golf cart. and displaying means for displaying the transmission signal. With this configuration, information transmission signals can be transmitted using guided wires, and unlike conventional devices, there is no need to set up the pole and connect the speakers attached to the top of the pole with wires, which is useful for golf courses. It does not spoil the beauty.
In addition, since the means for outputting the information transmission signal is provided on the golf cart, the information transmission signal is transmitted only to people (mainly players) around the golf cart, which may cause trouble to the golfer while playing. It also reduces the amount of time required.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a model diagram of a golf course, Fig. 2 a and b are block diagrams of different signal generators, and Fig. 3 a, b, and c are waveform diagrams of different signals. , FIG. 4 is a perspective view of the golf cart, FIG. 5 is a partial electric circuit diagram of the golf cart, and FIG. 6 is an explanatory diagram of the relationship between each coil and a guide wire. 1... Guide line, A... Golf cart, 4, 5...
...signal generator, B...receiving means, C...expressing means.

Claims (1)

[Claims] 1 Guide lines buried along the golf course,
a golf cart that travels on the guide line while detecting the guide run signal flowing through the guide line; a signal generator that supplies the guide run signal and the information transmission signal to the guide line; and a signal generator that is provided on the golf cart and that transmits the information. An information transmission system for a golf course, comprising a receiving means for receiving a signal, and an expression means provided on the golf cart for displaying the information transmission signal received by the receiving means.