JP2003152656A - Underwater communication apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an underwater communication apparatus in which the presence of matter desired to report to a specific diver party can be surely messaged to the other diver by extremely simple operation as well as in an emergency, and further, it is possible to enjoy diving without frightening fish around the diver. SOLUTION: In the device of a water-proof watch type configured by attaching a wrist band 3 to a main body part 2, the main body part 2 is provided with an operating button 5 to be operated when the communication of an intention is required, a transmitting part 10 for transmitting an inaudible calling signal into water at a prescribed frequency corresponding to the operation of this operation button 5, a receiving part 11 for receiving the calling signal propagated in water, and a vibrator 12 for vibrating the main body part 2 on the basis of the calling signal received by the receiving part 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater will transmission device used for transmitting intentions of divers to each other.

[0002]

2. Description of the Related Art Generally, if an accident occurs during scuba diving, or if an unexpected situation such as an abnormality in the body or a failure of the scuba device occurs, the divers in the vicinity are exposed to the danger of life. It is necessary to notify swiftly and surely that an emergency has occurred.

Therefore, in the prior art, a bell called a diving bell is attached to the waist belt,
In an emergency, the bell is called to alert the surrounding divers, or the air pressure of the scuba cylinder is used to vibrate the sounding material to generate an audible sound and alert the surrounding divers. Sounding devices are provided.

[0004]

However, the above-mentioned prior art is still insufficient in the following points and there is room for further improvement.

(1) Both the diving bell and the buzzer-type sounding device are of a type that produces an audible sound, and such an audible sound becomes harder to hear as the distance from the sound source increases, so that an emergency occurs. It's difficult to tell other divers that it is true. (2) Neither a diving bell nor a buzzer-type sounding device is attached to the hand, but it is used after it is pulled up to the hand, so it may be difficult to operate in an emergency. (3) In the case of a system that generates an audible sound, for example,
If you make a sound when you want to contact your divers for an errand other than an emergency, the fish around you will be surprised and run away,
Sometimes the fun of diving is lost. (4) When there are an unspecified number of divers in the surroundings, even if you want to contact only the divers in a specific group, other unrelated divers will hear you at the same time, and feel uncomfortable. It will also happen.

The present invention has been made in order to solve the above-mentioned problems (1) to (4), and in the event of an emergency, the other divers can be surely notified by an extremely simple operation. In addition, if you want to contact your friends other than in an emergency, you can surely notify only a specific diver's friend without compromising the fun of diving. The purpose is to provide.

[0007]

In order to achieve the above object, the present invention employs the following constitutions.

That is, the underwater will transmission device according to the invention of claim 1 is a waterproof wristwatch type in which a wristband is attached to the main body, and the main body has:
An operation button that is operated when there is a need to transmit a will, a transmission unit that transmits an inaudible arousal signal in water at a predetermined frequency according to the operation of this operation button, and a reception unit that receives the arousal signal propagated in water And a vibrator that vibrates the main body based on the arousal signal received by the receiving unit.

As a result, when an emergency occurs,
It is possible to surely notify other divers to that effect by an extremely simple operation of pressing a button of the device attached to the wrist. Moreover, even when there is a case where it is desired to contact a friend other than in an emergency, the signal transmitted is inaudible, so that it is not heard by an unrelated diver around him or the fish is surprised. Therefore, the enjoyment of diving can be maintained.

According to the invention of claim 2, in the underwater will transmitting device according to the invention of claim 1, the main body part is provided with a warning lamp which is turned on based on an arousal signal received by the receiving part. It is characterized by being provided.

As a result, not only the vibration but also the light can visually attract the attention of the other party, so that the intention of the other person can be more surely transmitted to the other party.

According to a third aspect of the present invention, there is provided the underwater will transmitting device according to the first or second aspect of the invention, wherein the main body portion is provided with a frequency setting button and the transmitting portion. Includes an oscillator that changes the transmission frequency according to the operation of the frequency setting button, and the receiving unit only includes an arousal signal having a reception frequency that matches the transmission frequency set by the frequency setting button. It is characterized in that each of them is provided with a filter for passing.

As a result, since the evoking signal is transmitted and received only between the devices which have been set to the same frequency in advance, it becomes possible to contact only the divers in a specific group, and other unrelated divers can be contacted. There is no need to worry about extra.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in more detail with reference to the drawings. FIG. 1 is a perspective view showing an outer appearance configuration of an entire underwater will transmission device according to an embodiment of the present invention, FIG. 2 is a plan view of the same device, and FIG. 3 is a block diagram showing a circuit configuration of the same device.

The underwater will transmission device 1 according to this embodiment is of a waterproof wristwatch type in which a wristband 3 is attached to a main body 2, and the surface of a waterproof case 4 constituting the main body 2 is An operation button 5 to be operated when the intention is transmitted, a pair of frequency setting buttons 6a and 6b, and a liquid crystal display section 7 for displaying the frequency set by these frequency setting buttons 6a and 6b are provided,
Further, a battery replacement section 8 is provided on the side surface of the waterproof case 4.

The operation button 5 in this case is made of, for example, transparent or translucent resin or glass so that the light of a warning lamp 13 described later can pass therethrough. Further, of the pair of frequency setting buttons 6a and 6b, one button 6a is provided for increasing the frequency and the other button 6b is provided for decreasing the frequency.

Inside the waterproof case 4, a transmitting unit 1 for transmitting an inaudible evoking signal (ultrasonic signal in this embodiment) into water at a predetermined frequency according to the operation of the operation button 5.
0, receiving unit 1 for receiving ultrasonic signals propagating in water
1, a vibrator 12 that vibrates the main body 2 based on the ultrasonic signal received by the receiver 11, a warning lamp 13 including an LED that lights up based on the ultrasonic signal received by the receiver 11, and a transmission Part 10, receiving part 11,
A controller including a microcomputer for controlling the liquid crystal display unit 7 is provided.

As the vibrator 12, for example, a piezoelectric vibrator or a vibration motor is used.
Further, the warning lamp 13 is arranged at a position facing the operation button 5.

The transmitter 10 includes a frequency setting button 6a,
Oscillator 1 that changes the oscillation frequency according to the operation of 6b
6, an amplifier 17 for amplifying the output of the oscillator 16, a demultiplexer 18, and a transducer 19 for converting an electric signal including a piezoelectric element and the like.

Further, the receiving unit 11 includes the transducer 1
9, a demultiplexer 18, an amplifier 21 that amplifies the demultiplexed output of the demultiplexer 18, and a band variable that allows only signals having a reception frequency that matches the transmission frequency set by the frequency setting buttons 6a and 6b to pass. It is composed of a mold type filter 22.

Further, the controller 14 controls the oscillation frequency of the oscillator 16 to change according to the operation of the frequency setting buttons 6a and 6b, and controls the oscillation frequency set by the frequency setting buttons 6a and 6b by the liquid crystal. The pass band is controlled so that only the received signal displayed on the display unit 7 and having the same frequency as the oscillation output of the oscillator 16 passes through the filter 22.

Further, the operation button 5 is provided in the middle of the power line between the battery 23 which is the operating power source of each part and the oscillator 16.
There is provided a switch 24 which is turned on / off according to the operation of.

In the underwater will transmission system 1 having the above-mentioned configuration, when it is necessary to prepare for an emergency and communicate with the same diver companion, the frequency at which ultrasonic signals are transmitted and received between the diver companions is set in advance. Make an arrangement. After fixing the main body 2 to the wrist with the wristband 3, each person operates the frequency setting buttons 6a and 6b while looking at the liquid crystal display unit 7 and adjusts the frequencies so that they match each other.

The controller 14 controls the oscillation frequency of the oscillator 16 in response to the operation of the frequency setting buttons 6a and 6b, and passes only the received signal having the same frequency as the passing signal through the filter 22. The band is controlled, and the frequency is displayed on the liquid crystal display unit 7.

Here, when an emergency situation such as an accident occurs in a certain diver, or when it becomes necessary to communicate with fellow divers, the device 1 worn on his / her wrist.
Press the operation button 5 of. Then, the switch 24 is turned on, electric power is supplied from the battery 23 to the oscillator 16, and a signal having a predetermined frequency preset by the frequency setting buttons 6a and 6b is output. This signal is amplified by the amplifier 17 and then passed through the demultiplexer 18 to the transducer 1
Given to 9. In response, the transducer 19
Converts this electric signal into an ultrasonic signal having the same frequency and radiates it into water.

On the other hand, in the underwater will transmission device 1 worn by another diver of the same companion, when the ultrasonic signal propagating in water is received by the transducer 19, it is converted into an electric signal by the transducer 19 and then divided. Wave 18
Then, only the received signals having the same frequencies as those previously set for each other in the diver group pass through the filter 22. Then, the signals passed through the filter 22 are added to the vibrator 12 and the warning lamp 13, respectively. For this reason, the diver body 2 is vibrated by the vibrator 12 and the warning lamp 13 is turned on, so that the diver receiving the ultrasonic signal can surely recognize that there is any intention indication from other divers. it can.

Thus, the underwater will transmission system 1 of the present invention.
In the event of an emergency or when it is necessary to communicate with the same divers' fellows, the other divers can be pushed by pressing the operation button 5 on the body 2 of the device 1 worn on the wrist. Can be surely communicated to that. Also, when there is a case where you want to contact a friend other than in an emergency, the ultrasonic signal that is transmitted is inaudible,
Don't be heard by other divers around you or surprise your fish. Therefore, the enjoyment of diving can be maintained.

Further, since the operation button 5 is turned on by the warning lamp 13, it is possible to visually call attention to the other party, and it is possible to more surely convey his / her will to the other party. Moreover, because ultrasonic signals are transmitted and received only between devices that have been set to the same frequency in advance, it is possible to contact only the divers in a specific group, and redundant divers can be used for other unrelated divers. There is no need to worry about it.

In the above embodiment, the case where an ultrasonic signal is used as an inaudible stimulus signal transmitted and received in water has been described, but it is also possible to use a long wavelength radio wave with little absorption attenuation. is there.

In this embodiment, the case where the underwater will transmission device 1 as shown in FIGS. 1 to 3 is independently configured has been described, but the present invention is not limited to this. In a so-called dive computer capable of measuring the diving time at the same time as the start of diving in order to prevent a sickness from diving, an underwater will transmission device is provided by incorporating the configuration of the present invention as shown in FIG. It is also possible to combine the two.

Further, two operation buttons 5 are provided, and the controller 14 controls the oscillator 16 in accordance with the operation of each operation button so that it can be used separately when an emergency occurs and when it is desired to simply contact the same diver member. By controlling the oscillation output in a time-division manner, by changing the blinking cycle of the warning lamp 13 in the device that receives the ultrasonic signal based on this oscillation output, simply contact the diver's fellow in case of an emergency. It is also possible to be able to recognize the difference from the case where you want to.

[0032]

According to the present invention, the following effects can be obtained. (1) In the case of an emergency, the underwater will transmission system according to the invention of claim 1 can be surely applied to other divers by an extremely simple operation of pressing a button of the device attached to the wrist. I can convey that. In addition, even when there is a case where it is desired to contact a friend other than in an emergency, the signal transmitted is inaudible, so that it is not heard by an unrelated diver or a fish is surprised. Therefore, the enjoyment of diving can be maintained. (2) In addition to the effect of the invention according to claim 1, the underwater will transmission device according to the invention according to claim 2 not only vibrates by the vibrator but also visually alerts the other person by the light from which the warning lamp lights. Since it is possible to encourage the person, it becomes possible to more surely convey one's will to the other party. (3) In addition to the effects of the invention of claim 1 or claim 2, the underwater will transmission device according to the invention of claim 3 transmits and receives signals only between devices that are set to the same frequency in advance. Since it becomes possible to contact only the diver fellow of a specific group, there is no need to take extra care for other unrelated divers.

[Brief description of drawings]

FIG. 1 is a perspective view showing an overall external configuration of an underwater will transmission device according to an embodiment of the present invention.

FIG. 2 is a plan view of the device. It is a block diagram which shows the circuit structure of the same apparatus.

FIG. 3 is a block diagram showing a circuit configuration of the device.

[Explanation of symbols]

1 Underwater will transmission device 2 body 3 wristbands 5 operation buttons 6a, 6b Frequency setting button 7 LCD display 10 Transmitter 11 Receiver 12 vibrators 13 Warning lamp 16 oscillators 22 filters

Claims (3)

[Claims] 1. A waterproof wristwatch type body having a wristband attached to the main body section, wherein the main body section has operation buttons to be operated when it is necessary to transmit a will, and operation buttons corresponding to the operation of the operation buttons. A transmitting unit that transmits an inaudible arousal signal in water at a predetermined frequency, a receiving unit that receives the arousal signal propagating in water, and a body unit vibrates based on the arousal signal received by the receiving unit. An underwater will transmission device, comprising: a vibrator. 2. The underwater volition transmitting device according to claim 1, wherein the main body portion is provided with a warning lamp which is turned on based on an arousal signal received by the receiving portion. 3. The main body unit is provided with a frequency setting button, the transmitting unit is provided with an oscillator for changing the transmission frequency in response to the operation of the frequency setting button, and the receiving unit. 3. The underwater according to claim 1 or 2, wherein each of the underwater filters is provided with a filter that passes only an arousal signal having a reception frequency that matches the transmission frequency set by the frequency setting button. Will transmission device.