KR20010003704A - Wireless communications system for motor cycle helmet - Google Patents

Abstract

PURPOSE: The wireless communication system for a motorcyclee helmet is provided to allow a motorcyclee driver to make a phone call via a cellular phone without the use of a hand during the drive of the motorcyclee, and to enjoy an audio system for a radio and a compact disk. CONSTITUTION: A voice transmitter(11) transmits the radio signal corresponding to the voice from the cellular phone and the radio via an antenna. A voice receiver(12) receives the radio signal corresponding to the voice from the motorcyclee driver, and outputs it to the cellular phone or a wireless unit. A data transmitter(13) transmits the data from the cellular phone and the like via the antenna. A system body(10) is installed on the chassis of the motorcyclee. A voice receiver(21) of a helmet(20) receives the signal from the transmitter(11) and the data signal from a data receiver(23) via a wire. A speaker(24) is installed at the helmet(20) closed to an ear of the motorcyclee driver. A microphone(25) converts the voice of the motorcyclee driver to a voice signal. A voice transmitter(22) sends the radio signal corresponding to the voice of the motorcyclee driver.

Description

Wireless communication system for motorcycle helmets {WIRELESS COMMUNICATIONS SYSTEM FOR MOTOR CYCLE HELMET}

The present invention relates to a communication device for a motorcycle occupant, and more particularly, to be able to make a call through a mobile phone possessed by a passenger without using both hands while driving a motorcycle, as well as radio, CD (Compact Disk), tape, and the like. The present invention relates to a wireless communication device for a motorcycle helmet that can listen to audio and communicate with a radio.

Mobile communication devices such as cellular phones, PCS, and TRS, which are widely used in recent years, have been miniaturized and multi-functionalized according to the user's taste, and thus, they are becoming a communication device that is convenient for a driver driving a car to talk to.

Nevertheless, the use of a mobile phone while driving a car has been found to affect safety driving. In particular, in the case of a motorcycle, it is inconvenient to hold a steering wheel with one hand and receive a mobile phone with the other hand. There is a much greater risk.

In addition, even when using a radio while driving a motorcycle there is the same inconvenience and risk as using a mobile phone.

And while driving a motorcycle, the audio, such as radio, CD, tape, etc. are operated with a large amount of space, which is a motorcycle driver may feel pleasure, but people around them tend to regulate it.

The present invention has been made to solve the above-described problems, and can improve the convenience and prevent the risk of accidents by enabling wireless communication through a mobile phone or walkie-talkie with a passenger without driving both hands while driving a motorcycle It is an object of the present invention to provide a wireless communication system for motorcycle helmets that enables the motorcycle to be operated with pleasure while being able to listen to audio such as radio, CD, tape, etc. while driving the motorcycle.

Wireless communication system for motorcycle helmet of the present invention for achieving the above object is a radio transmitter for transmitting a radio signal corresponding to the voice from a radio, a mobile phone or audio through the antenna, the radio signal corresponding to the voice of the passenger Or a system transmitter installed on the motorcycle body, the system including a voice receiver for outputting a mobile phone, a wireless transmitter, a mobile phone, and data from audio through an antenna; A voice receiver which receives a voice radio signal received from the voice transmitter of the system main body or a data signal from the data receiver by wire, outputs voice or data by voice signal or data signal from the voice receiver, and is close to the passenger's ear. A speaker installed in the helmet portion, a microphone for converting a passenger's voice into a voice signal, a voice transmitter for transmitting a voice radio signal corresponding to the passenger's voice, and data received from a data transmitter of the system main body through an antenna. A helmet including a receiver and a data receiver output to a sound transmitter; And it consists of selector to select radio, cell phone, audio and standby status.

1 is a schematic configuration diagram showing an overall wireless communication system for a motorcycle helmet according to the present invention;

2 is a block diagram showing in more detail a wireless communication system for a motorcycle helmet according to the present invention;

3 is a main circuit diagram of a main body of the wireless communication system for a motorcycle helmet of the present invention;

4 is a circuit diagram of a switch unit of a wireless communication system for a motorcycle helmet of the present invention;

5 is a circuit diagram of a receiver configured in a helmet of the wireless communication system for a motorcycle helmet of the present invention;

6 is a circuit diagram of a transmitter configured in a helmet of the wireless communication system for a motorcycle helmet of the present invention.

Explanation of symbols on the main parts of the drawings

10: system main body 11: voice transmitter

12: Voice receiver 13: Data transmitter

20: helmet 21: voice transmitter

22: voice transmitter 23: data receiver

24: speaker 25: microphone

30: selection

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

1 is a schematic configuration diagram showing a wireless communication system for a motorcycle helmet according to the present invention as a whole, Figure 2 is a block diagram showing a wireless communication system for a motorcycle helmet according to the present invention in detail, Figure 3 is a motorcycle of the present invention 4 is a main circuit diagram of a main body of a wireless communication system for a helmet, and FIG. 4 is a circuit diagram of a switch unit of a wireless communication system for a motorcycle helmet of the present invention, and FIG. 5 is a receiver configured in a helmet of the wireless communication system for a motorcycle helmet of the present invention. 6 is a circuit diagram of a transmitter configured in a helmet of the motorcycle helmet wireless communication system of the present invention.

As shown in Figure 1 and 2, the wireless communication system for motorcycle helmet of the present invention is a voice transmitter 11 for transmitting a radio signal corresponding to the voice from a radio, a mobile phone or audio through an antenna, the voice of the passenger A system main body 10 including a voice receiver 12 for receiving a corresponding radio signal and outputting the radio signal to a radio or a mobile phone, and a data transmitter 13 for transmitting data from a radio, a mobile phone, and audio through an antenna; Voice receiver 21 for receiving a wireless signal or a data signal from the data receiver 23 received from the voice transmitter 11 of the system main body 10, a voice signal from the voice receiver 21 or The speaker 24, which is installed in the helmet portion near the occupant's ear, the microphone 25 for converting the occupant's voice into a voice signal, and a voice radio signal corresponding to the occupant's voice, are outputted by the data signal. A voice receiver 22 for transmitting and a data receiver 21 for receiving data from the data transmitter 13 of the system main body 10 through an antenna and outputting the data to the voice receiver 21 and the sound transmitter 22 are included. A helmet 20; And a selector 30 for selecting a radio, a mobile phone, audio, and a standby state.

The system body is installed in an appropriate part of the motorcycle body.

The wireless communication system for a motorcycle helmet of the present invention configured as described above is embodied by the circuit diagram shown in FIGS. 3 to 6. Since the circuit diagrams are easily understood by those skilled in the art, detailed descriptions thereof will be omitted.

The wireless communication system of the present invention can be used hands-free, mobile phones, audio, audio, and can transmit excellent sound quality by 10 to 30m by adopting the FM system, it is composed of three channels for the transmitter and the receiver.

In addition, the standard of the wireless communication system of the present invention is as follows.

Frequency system body transmission 114 MHz

Helmet transmission 120 MHz

Data Link 400 MHz

Transmission output 1mW

Modulation method FM (maximum frequency shift: +/- 75 KHz)

Oscillation method PLL control method

Signal to Noise Ratio 60 dB typ

Harmonic distortion 0.25% typ

Sensitivity 12dBu (S / N ≒ 30dB)

Power Consumption (Helmet) Standby State: 4.7 mA

Reception state: 40 mA

Transmission status: 50 mA

Voltage (helmet) 6 volt

(Body) 12 volt DC

In the wireless communication system for a motorcycle helmet of the present invention, since the electronic components installed in the helmet 20 are configured inside the helmet, they are not exposed to the outside, and thus do not interfere with the driver wearing the helmet or driving the motorcycle.

And audio, such as radio, CD, tape, mobile phone and mobile radio (Mobil radio) can be connected to the system main body 10 at the same time, the user can select the required function by one-touch operation of the selector 30 as necessary. It is supposed to be.

In addition, PLL control and FM modulation (+/- 75 KHz) are used to ensure high fidelity sound quality, and the electronic circuitry of the helmet is selectively turned on and off as needed to extend the battery life of the helmet. .

The helmet 20 and the main body 10 have an automatic connection function that automatically switches to a mobile phone channel when a call is received while the user is listening to audio.

In addition, in case of using a plurality of systems of the present invention, digital coding can be performed by a password set by a user in order to prevent interference between systems.

And it has a battery low alarm function that shows the time of battery replacement when the battery falls below the specified voltage.

The wireless communication system for a motorcycle helmet of the present invention as described above enables to talk wirelessly through a mobile phone or a walkie-talkie with a passenger without driving both hands while driving a motorcycle, thereby improving convenience and preventing an accident risk. You can drive your motorcycle with pleasure by allowing you to listen to audio such as radios, CDs, tapes, etc. while you are driving; The user can select and listen to the radio, mobile phone and audio as needed; If a mobile phone is received while listening to audio, it is automatically connected to the mobile phone, thereby increasing convenience; Since the battery is discharged in advance, the battery can be exchanged in advance.

Although the invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made within the spirit and scope of the invention, and thus such changes or modifications are to be made in the appended claims. You will have to belong to the range.

Claims (3)

A voice transmitter 11 for transmitting a radio signal corresponding to a voice from a radio, a mobile phone or audio through an antenna, a voice receiver 12 for receiving a radio signal corresponding to a passenger's voice and outputting the radio signal to a radio or a mobile phone, a radio, A system body (10) comprising a data transmitter (13) for transmitting data from a mobile phone and audio through an antenna; Voice receiver 21 for receiving a wireless signal or a data signal from the data receiver 23 received from the voice transmitter 11 of the system main body 10, a voice signal from the voice receiver 21 or The speaker 24, which is installed in the helmet portion near the occupant's ear, the microphone 25 for converting the occupant's voice into a voice signal, and a voice radio signal corresponding to the occupant's voice, are outputted by the data signal. A voice receiver 22 for transmitting and a data receiver 21 for receiving data from the data transmitter 13 of the system main body 10 through an antenna and outputting the data to the voice receiver 21 and the sound transmitter 22 are included. A helmet 20; And Wireless communication system for a motorcycle helmet, characterized in that consisting of a selection unit 30 for selecting a radio, a mobile phone, audio, or standby. The wireless communication system for a motorcycle helmet according to claim 1, further comprising an automatic connection function for automatically switching to a mobile phone channel when a mobile phone is received while listening to audio. 2. The wireless communication system for a motorcycle helmet according to claim 1, further comprising an alarm function for informing the battery replacement time when the battery of the helmet (10) falls below a specified voltage.