KR200474020Y1 - Helmet safety apparatus - Google Patents

Helmet safety apparatus Download PDF

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Publication number
KR200474020Y1
KR200474020Y1 KR2020130004946U KR20130004946U KR200474020Y1 KR 200474020 Y1 KR200474020 Y1 KR 200474020Y1 KR 2020130004946 U KR2020130004946 U KR 2020130004946U KR 20130004946 U KR20130004946 U KR 20130004946U KR 200474020 Y1 KR200474020 Y1 KR 200474020Y1
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KR
South Korea
Prior art keywords
helmet
sensor
driver
safety
bike
Prior art date
Application number
KR2020130004946U
Other languages
Korean (ko)
Inventor
김성일
Original Assignee
(주)넥스트로닉스
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Publication date
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Priority to KR2020130004946U priority Critical patent/KR200474020Y1/en
Application granted granted Critical
Publication of KR200474020Y1 publication Critical patent/KR200474020Y1/en

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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/006—Means for transporting or storing helmets
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/30—Mounting radio sets or communication systems
    • A42B3/303—Communication between riders or passengers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0276—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle
    • G05D1/0278—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle using satellite positioning signals, e.g. GPS
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0205—Specific application combined with child monitoring using a transmitter-receiver system
    • G08B21/0211—Combination with medical sensor, e.g. for measuring heart rate, temperature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • H04L9/3073—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves involving pairings, e.g. identity based encryption [IBE], bilinear mappings or bilinear pairings, e.g. Weil or Tate pairing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Child & Adolescent Psychology (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Management (AREA)
  • Algebra (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Mathematical Optimization (AREA)
  • Business, Economics & Management (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

The present invention discloses a helmet safety device. The present invention relates to a safety device that includes a communication module capable of communicating with a remote control center, as well as monitoring the status of a driver who wants to operate a bike in a helmet for a bike Accordingly, it is possible to prevent the accident from occurring by improving the problem that the driver can not control the bike by preventing the driver from operating the bike in the state of health abnormality, drowsiness or drinking, and in particular, In the event of an accident, the accident situation is promptly transmitted to the remote control center so that prompt relief measures can be taken.

Description

Helmet safety apparatus

The present invention relates to a helmet for a bike, and more particularly, to a helmet safety device that enables a driver to check the health or drinking status of a driver while driving the bike while wearing a helmet, ≪ / RTI >

In general, a bike helmet is used as a safety helmet to protect the body, especially the head, from potential accidents and disasters, and can cause fatal injuries to the driver in case of an accidental collision or rollover during operation of the bike. It is required to wear a helmet to protect the safety of the driver as much as possible. Accordingly, an air bag for protecting the head of the driver inside the helmet has been conventionally provided as disclosed in Japanese Patent Application Laid-Open No. 10-2010-60458 The helmet has a shock absorbing property at the time of an accident, thereby protecting the wearer's head and neck as much as possible. The helmet shell is foldable so that the helmet can be easily folded and stored.

However, the conventional helmet safety device is limited to protecting the wearer's head at the time of an accident, and the driver can not precisely check the condition of the driver, so that even if the bike is difficult to ride, .

In other words, conventionally, the helmet is limited to the head protection of the driver only, and the function of monitoring the health state (e.g., blood pressure, pulse, etc.) is not added as well as the driver's drinking state or drowsiness state. In many cases, the bikes are operated by force, and when the bikes are operated by the driver in such a situation, the driver can not control the accident.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a safety device for monitoring the condition of a driver who wishes to operate a bike in a helmet for a bike, The present invention is directed to a helmet safety device for preventing a driver from controlling an accident while preventing a driver from controlling a bike.

In addition, the helmet safety device of the present invention constitutes a communication module capable of communicating with a remote control center (for example, 119 control center, 112 control center) to promptly detect an accident situation when a bike is in operation or a crime occurs There is another purpose of transferring to the remote control center so that rapid relief can be achieved.

The helmet safety device includes a safety sensor mounted on a helmet and monitoring a driver's condition when the helmet is worn; A lock unit installed in the bike and locking or releasing the engine or the key box of the bike; A pairing processor installed in the bike and controlling pairing with the safety sensor; And a safety control module for controlling the lock of the lock unit to stop the operation of the bike when a pairing is made with the safety sensor from the control of the pairing processing unit and an abnormal signal is generated from the monitoring of the safety sensor. As shown in FIG.

In addition, the helmet is provided with a position tracking GPS module.

In addition, the helmet may further include a communication module that communicates with the driver's portable terminal and transmits the abnormal signal to the portable terminal when an abnormal signal is generated from the monitoring of the safety sensor. And a relief signal application for transmitting a relief signal including positional information to a remote control center when an abnormal signal is received through the module.

The portable terminal may be a smart phone or a smart pad in which a relief application including a location tracking function is installed.

The safety sensor may include a drinking measurement sensor for checking whether the driver is drinking or not; A health check sensor for checking a health condition such as a driver's blood pressure or pulse; And a drowsiness measurement sensor for checking whether the driver is drowsy; .

The helmet may further include an alarm output unit for outputting an alarm signal for solving the drowsy state of the driver when the drowsiness measurement sensor senses the driver's drowsy operation.

In addition, the drowsiness measurement sensor is a G-sensor that senses when the head movement of a driver wearing a helmet is made up and down.

The safety sensor may further comprise an ultraviolet sensor for measuring ultraviolet rays to protect the driver wearing the helmet from ultraviolet rays and a temperature sensor for measuring the internal temperature of the helmet worn by the driver, Or an audio output unit for guiding the ultraviolet ray index or the temperature value according to a signal measured from the temperature sensor.

The safety sensor may further include a speed sensitive sensor for measuring the speed of the bike so as to move the transparent window of the helmet in a stepwise manner. The helmet may further include a speed sensor for detecting the speed of the bike, And a step motor for driving the window to move stepwise.

In addition, the safety sensor senses whether or not the helmet is worn so that the safety control module releases the locking state of the locking device only when the driver wears the helmet, and then applies pressure to the safety control module And further comprises a sensor.

As described above, the present invention provides a safety device that includes a communication module capable of communicating with a remote control center, as well as monitoring the status of a driver who wants to operate the bike in a helmet for a bike. And prevent the driver from controlling the bike by preventing the bike from being operated in the drowsy or drunk state in advance so as to prevent the accident in advance and to prevent the accident from occurring in the event of an accident while driving the bike or in case of a crime accident, It is possible to expect the effect of promptly sending relief to the remote control center.

1 is a structural view of a helmet according to an embodiment of the present invention.
2 is a block diagram of a helmet safety device according to an embodiment of the present invention.
3 is an operational flow diagram of a helmet safety device as an embodiment of the present invention.
FIG. 4 is a view showing a control state of a transparent window according to the traveling speed of the bike according to an embodiment of the present invention; FIG.
FIG. 5 is a control state diagram of a lock device installed in a bike according to an embodiment of the present invention; FIG.

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

FIG. 1 is a structural view of a helmet according to an embodiment of the present invention, FIG. 2 is a block diagram of a helmet safety device according to an embodiment of the present invention, FIG. 3 is an operation flowchart of a helmet safety device as an embodiment of the present invention, 4 is a control state diagram of a transparent window according to the speed of the bike according to an embodiment of the present invention, and FIG. 5 is a control state diagram of a lock device installed in the bike as an embodiment of the present invention.

1 to 5, the safety device of the helmet 100 according to an embodiment of the present invention includes a safety sensor 10 mounted on the helmet 100, a lock device 200 mounted on the bike 200, (20), a pairing processing unit (30), and a safety control module (40).

The safety sensor 10 monitors the driver's condition when the helmet 100 is worn. The safety sensor 10 includes a drinking water measurement sensor 11 for checking whether the driver is drinking or not, and a health checker A health check sensor 12 and a drowsiness measurement sensor 13 for checking whether or not the driver is drowsy and further includes an ultraviolet sensor 14 and a temperature sensor 15 and a speed sensitive sensor 16 As shown in FIG.

The drinking measurement sensor 11 is configured to sense an alcohol smell generated when the driver wears the helmet 100. [

That is, in the embodiment of the present invention, when the driver wears the helmet 100 to sense the smell of alcohol, the driver is prevented from operating the bike 200 regardless of the amount of the alcohol.

When the driver wears the helmet 100, the health check sensor 12 checks the blood pressure or the pulse of the driver. The check is performed by a sensor (not shown) on the inner surface of the helmet 100, As shown in Fig.

The drowsiness measurement sensor 13 is a G-sensor that senses when the head movement of the driver wearing the helmet 100 is made up and down.

In other words, when the driver wearing the helmet 100 drives the bike 200, the G-sensor detects the head of the helmet 100, The driver's sleeping operation is checked while measuring the pressure generated as the head movement of the driver wearing the hood 100 is made up and down.

The helmet 100 further includes an alarm output unit 70 for outputting an alarm signal for solving the drowsy state of the driver when the drowsiness operation of the driver is sensed by the drowsiness measurement sensor 13 Respectively.

The ultraviolet sensor 14 measures ultraviolet rays to protect the driver wearing the helmet 100 from ultraviolet rays and the temperature sensor 15 measures the internal temperature of the helmet 100 worn by a driver. And is intended to prevent an accident such as a sunstroke that may occur when the motorcycle 200 is operated while the driver wears the helmet 100 during the summer season and thus is measured from the ultraviolet sensor 14 and the temperature sensor 15 The ultraviolet ray index and the temperature value are configured to inform the driver through the audio output unit 80 and the audio output unit 80 is configured in the helmet 100. [

The speed sensitive sensor 16 measures the speed of the bike 200 so as to move the transparent window 101 of the helmet 100 step by step so that the transparent window 101 of the helmet 100 is guided by the helmet 100 The step motors 90 provided on both sides of the first and second motors 100, 100 control the motions thereof step by step.

That is, the stepper motor 90 is driven to move the transparent window 101 in a stepwise manner according to the traveling speed of the bike 200 measured from the speed sensitive sensor 16, The transparent window 101 is completely closed by the step motor 90 when the bike 200 is operated at a high speed and the transparent window 101 is moved to the step motor 90 when the bike 200 is operated at a low speed. So that the opening angle of the driver is controlled step by step on the basis of the front view of the driver.

The locking unit 20 is installed in the bike 200 to lock or unlock the engine or the key box of the bike 200. The pairing processing unit 30 is connected to the safety sensor 10, The controller 40 controls the paging of the display unit 40.

The pairing processing unit 30 may be configured such that a driver wears a helmet not provided with a safety sensor without wearing the helmet 100 provided with the safety sensor 10 during the summer, The pairing of the helmet not provided with the safety sensor by the pairing processing unit 30 and the safety control module 40 installed in the bike 200 can not be performed. ) Can not be unlocked.

The safety control module 40 controls the operation of the bike 200 when an abnormal signal is generated from the monitoring of the safety sensor 10 when the safety sensor 10 is paired with the safety sensor 10 under the control of the pairing processing unit 30. [ So as to control the locking of the locking device (20).

The safety sensor 10 according to an embodiment of the present invention may further include a pressure sensor 17 installed in the helmet 100. The pressure sensor 17 may be a helmet 100 to the safety control module 40 and then transmits the check signal to the safety control module 40 when the pairing control is performed by the pairing processing unit 30. [

That is, the safety control module 40 releases the locking state of the locking device 20 only when the driver wears the helmet 100, The safety control module 40 senses whether or not the driver wears the helmet 100 and transmits the detection signal to the safety control module 40. [

Here, in the embodiment of the present invention, the safety control module 40 can release the locking device 20 to enable the bike 200 to be operated on the signal sensed by the pressure sensor 17 The safety control module 40 determines whether the alcohol is measured by the drinking measurement sensor 11 or the health check signal is measured by the health check sensor 12 in a state where wearing of the helmet 100 is detected, The controller 20 performs a control operation to switch the lock unit 20 back to the locked state.

1 to 5, a safety sensor 10 installed in the helmet 100 and a safety control module 40 installed in the bike 200 are installed in the helmet 100, Even if the driver does not wear the helmet 100 to operate the bike 200 or wears the helmet 100 while the driver is paired with the pairing processing unit 30, The safety control module 40 provided in the bike 200 controls the lock unit 20 to restrict the engine driving of the bike 200 or the rotation of the key box, To reduce the risk of accidents related to the operation of the vehicle.

On the other hand, when the driver wears the helmet 100 by the pressure sensor 17, the drinking measurement sensor 11 or the health check sensor 12 included in the safety sensor 10 and is monitored for drinking or health, The safety control module 40 releases the lock state of the lock unit 20 so that the driver can operate the bike 200. At this time, When this operation is repeated, the state is checked by the drowsiness measurement sensor 13 included in the safety sensor 10 provided in the helmet 100. [

The alarm output unit 70 provided in the helmet 100 generates an alarm sound (or an alarm sound) according to the signal measured by the drowsiness measurement sensor 13, and the alarm output unit 70 It is possible to eliminate the driver's drowsiness from the generated alarm sound (or alarm sound).

Here, the alarm sound may be a noise of a certain level which is extremely disturbing to the driver wearing the helmet 100, or may be a voice message, but is not limited thereto.

That is, the embodiment of the present invention primarily determines whether the bike 200 can be operated depending on whether the helmet 100 is worn or not, and secondly, the state of the driver wearing the helmet 100, Determines whether the driver 200 is operating or not, and finally determines whether the driver is in a sleepy driving state when the bike 200 is operated. In this case, So that the driver can operate the bike 200 safely.

The embodiment of the present invention is characterized in that the driver wears the helmet 100 to check the safety state thereof. In addition, the smart phone or the smart pad, the portable terminal 300, and the remote control sensor 400 So that a quick relief measure can be provided even when an accident occurs in the operation of the bike 100 or when the vehicle is exposed to danger.

For this, in the embodiment of the present invention, the positioning GPS module 50 is mounted on the helmet 100, and the communication with the driver's portable terminal 300 is performed, (60) for transmitting an abnormal signal to the mobile terminal (300) when an abnormal signal is generated from the mobile terminal (300), and an abnormal signal is received through the communication module (60) (For example, 119 control center, 112 control center) installed a relief application that handles the relief signal including location information.

That is, in the embodiment of the present invention, the health check sensor 12 included in the safety sensor 10 installed in the helmet 100 monitors the health check signal to generate a health abnormality signal, or the helmet 100 is peeled off When the pressure sensor 17 is sensed, the signals are transmitted to the portable terminal 300 through the communication module 60. Accordingly, the relief application installed in the portable terminal 300 is transmitted to the remote control center (E.g., a 119 control center, a 112 control center) 400 to transmit a relief signal including positional information.

That is, since the GPS module 50 is mounted on the helmet 100, the GPS module 50 transmits the position information of the driver to the portable terminal 300 through the communication module 60, The application for relief measures of the portable terminal 300 is to send a relief signal including the above location information to the control center 400 at a remote site, which is set in advance, so that quick relief can be performed.

Although the technical idea of the helmet safety device of the present invention has been described above with reference to the accompanying drawings, it is to be understood that the best mode for carrying out the invention is illustrative and not restrictive.

Accordingly, it is intended that the present invention not be limited to the particular preferred embodiments described herein, and that it will be apparent to those skilled in the art that various modifications may be made thereto without departing from the spirit of the invention, It is to be understood that such changes and modifications are within the scope of the claims.

10; A safety sensor 11; Breathalyzer
12; Health check sensor 13; Drowsiness sensor
14; Ultraviolet sensor 15; temperature Senser
16; A speed sensitive sensor 17; Pressure sensor
20; Locking device 30; The pairing processing unit
40; A safety control module 50; GPS module
60; A communication module 70; Alarm output section
80; Audio output unit 90; Step motor
100; Helmet 101; Transparent window
200; A bike 300; Mobile terminal
400; Control center

Claims (9)

A safety sensor mounted on the helmet and monitoring the driver's condition when the helmet is worn;
A lock unit installed in the bike and locking or releasing the engine or the key box of the bike;
A pairing processor installed in the bike and controlling pairing with the safety sensor; And
A safety control module for controlling the lock of the lock unit to stop the operation of the bike when a pairing is made with the safety sensor from the control of the pairing processing unit and an abnormal signal is generated from the monitoring of the safety sensor; Wherein the helmet safety device comprises: The helmet safety device according to claim 1, wherein a GPS module for tracking a position is mounted on the helmet. 3. The method of claim 2,
The helmet may further include a communication module that communicates with the driver's portable terminal and transmits the abnormal signal to the portable terminal when an abnormal signal is generated from the monitoring of the safety sensor.
Wherein the mobile terminal is provided with a relief application for transmitting a relief signal including positional information to a control center of a remote place when an abnormal signal is received through the communication module. 2. The safety sensor according to claim 1,
A drinking measurement sensor for checking whether or not the driver is drinking;
A health check sensor for checking a health condition such as a driver's blood pressure or pulse; And
A drowsiness measurement sensor for checking whether the driver is drowsy; Wherein the helmet safety device comprises: The helmet safety device according to claim 4, wherein the helmet further comprises an alarm output unit for outputting an alarm signal for solving the drowsy state of the driver when the drowsiness sensor of the driver is sensed by the drowsiness measurement sensor . 6. The helmet safety device according to claim 5, wherein the drowsiness measurement sensor is a G-sensor for sensing when a head movement of a driver wearing a helmet is made up and down. 5. The method of claim 4,
The safety sensor further includes an ultraviolet sensor for measuring the ultraviolet ray to protect the driver wearing the helmet from ultraviolet rays and a temperature sensor for measuring the internal temperature of the helmet worn by the driver,
Wherein the helmet further comprises a voice output unit for guiding an ultraviolet ray index or a temperature value according to a signal measured from the ultraviolet sensor or the temperature sensor. 5. The method of claim 4,
The safety sensor may further include a speed sensitive sensor for measuring a speed of the bike to move the transparent window of the helmet in a stepwise manner,
Wherein the helmet further comprises a step motor for driving the transparent window to move stepwise according to a traveling speed of the bike measured from the speed sensitive sensor. The safety control module according to claim 4, wherein the safety control module senses whether or not the helmet is worn so that the safety control module releases the locking state of the locking device only when the driver wears the helmet, And a pressure sensor for performing transmission processing.
KR2020130004946U 2013-06-19 2013-06-19 Helmet safety apparatus KR200474020Y1 (en)

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KR2020130004946U KR200474020Y1 (en) 2013-06-19 2013-06-19 Helmet safety apparatus

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017007105A1 (en) * 2015-07-07 2017-01-12 이선구 Device having omnidirectional photographing camera lens module, and control method therefor
KR101725144B1 (en) * 2016-06-13 2017-04-10 이강석 Smart safety cap
KR20180036870A (en) * 2016-09-30 2018-04-10 대한민국(행정안전부 국립재난안전연구원장) Safe driving device of a bicycle
KR102115115B1 (en) * 2019-01-11 2020-05-25 동의대학교 산학협력단 Safety starter system for two-wheeled vehicle
KR102413482B1 (en) * 2021-08-30 2022-06-28 부성스틸(주) Smart helmet with multipurpose safety structure
US11518328B2 (en) * 2017-06-29 2022-12-06 Hövding Sverige Ab Protective system comprising an airbag system with an inflatable helmet communicating with an external device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100115688A (en) * 2009-04-20 2010-10-28 (주)아이블포토닉스 Safety cap and head band for detecting biological signal
KR101076050B1 (en) 2010-09-29 2011-10-26 주식회사 세나테크놀로지 Helmet for bluetooth headset with function of intercom
KR101083066B1 (en) 2009-10-22 2011-11-16 김지현 Rocking device and operating method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100115688A (en) * 2009-04-20 2010-10-28 (주)아이블포토닉스 Safety cap and head band for detecting biological signal
KR101083066B1 (en) 2009-10-22 2011-11-16 김지현 Rocking device and operating method thereof
KR101076050B1 (en) 2010-09-29 2011-10-26 주식회사 세나테크놀로지 Helmet for bluetooth headset with function of intercom

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017007105A1 (en) * 2015-07-07 2017-01-12 이선구 Device having omnidirectional photographing camera lens module, and control method therefor
KR20180004159A (en) * 2015-07-07 2018-01-10 이선구 Apparatus having a camera lens module for photographing all directions and control method thereof
KR102005094B1 (en) * 2015-07-07 2019-07-29 이선구 Apparatus having a camera lens module for photographing all directions and control method thereof
KR101725144B1 (en) * 2016-06-13 2017-04-10 이강석 Smart safety cap
KR20180036870A (en) * 2016-09-30 2018-04-10 대한민국(행정안전부 국립재난안전연구원장) Safe driving device of a bicycle
KR101945262B1 (en) * 2016-09-30 2019-02-12 대한민국 Safe driving device of a bicycle
US11518328B2 (en) * 2017-06-29 2022-12-06 Hövding Sverige Ab Protective system comprising an airbag system with an inflatable helmet communicating with an external device
KR102115115B1 (en) * 2019-01-11 2020-05-25 동의대학교 산학협력단 Safety starter system for two-wheeled vehicle
KR102413482B1 (en) * 2021-08-30 2022-06-28 부성스틸(주) Smart helmet with multipurpose safety structure

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