KR20230097361A - Hazard guidance device for vehicles using speech recognition function - Google Patents

Hazard guidance device for vehicles using speech recognition function Download PDF

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KR20230097361A
KR20230097361A KR1020210186785A KR20210186785A KR20230097361A KR 20230097361 A KR20230097361 A KR 20230097361A KR 1020210186785 A KR1020210186785 A KR 1020210186785A KR 20210186785 A KR20210186785 A KR 20210186785A KR 20230097361 A KR20230097361 A KR 20230097361A
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vehicle
danger
noise level
voice
guidance information
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KR102615518B1 (en
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이상준
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/503—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text
    • B60Q1/5035—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking using luminous text or symbol displays in or on the vehicle, e.g. static text electronic displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/52—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating emergencies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
    • B60Q1/544—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking for indicating other states or conditions of the vehicle occupants, e.g. for indicating disabled occupants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/40—Indexing codes relating to other road users or special conditions
    • B60Q2300/43—Indexing codes relating to other road users or special conditions following vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W2040/089—Driver voice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/146—Display means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Otolaryngology (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
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  • Traffic Control Systems (AREA)

Abstract

The present invention relates to a risk notification device for a vehicle using a voice recognition function. More specifically, when an unconscious or conscious voice of a driver reacting to a sudden braking situation for avoiding a collision or accident while driving a vehicle exceeds a set noise level, the risk notification device for a vehicle using various forms of voice recognition functions can output an image form of risk notification information on the rear window of the vehicle such that a following vehicle can be aware of the risky situation of the preceding vehicle, thereby effectively preventing a secondary collision accident, and also, the risk notification device can allow the driver to output the image form of risk notification information on the rear window of the vehicle using a button or smartphone besides the voice of the driver during the sudden braking situation for avoiding a collision or accident while driving the vehicle, thereby enabling the risk notification device to be installed on various positions depending on the structure of the vehicle and outputting a warning sound by voice as well. The risk notification device includes a microphone, a control unit, and an image output unit.

Description

음석인식기능을 이용한 차량용 위험 안내장치 {Hazard guidance device for vehicles using speech recognition function}Hazard guidance device for vehicles using speech recognition function}

본 발명은 음석인식기능을 이용한 차량용 위험 안내장치에 관한 것으로, 좀 더 상세하게는 운전자가 차량을 운전중 추돌 상황이나 사고회피를 위한 급제동 상황시 반응하는 운전자의 음성이 설정소음을 초과하면 후행차량의 운전자가 위험상황을 인지할 수 있도록 안내하는 장치에 관한 것이다. The present invention relates to a danger guidance device for a vehicle using a sound recognition function, and more particularly, when the driver's voice exceeds a set noise level in a collision situation or an emergency braking situation for accident avoidance while the driver is driving the vehicle, the following vehicle It relates to a device that guides the driver of the vehicle to recognize a dangerous situation.

일반적으로 도로에 자동차 등의 차량을 운전시 예상치 못한 상황으로 인한 차량간 추돌 및 인사 사고 등이 발생하고 있다.BACKGROUND ART In general, when driving a vehicle such as a car on a road, collisions between vehicles and personnel accidents due to unexpected situations occur.

한편, 선행차량이 운행중 추돌사고가 발생하거나 사고회피를 위해 급제동시에 차량 후미에 구비되는 브레이크등이 점등되어 후행차량의 제동상태 확인할 수 있다. 하지만 선행차량의 운전자가 브레이크 패달을 늦게 밟거나 아예 밟지 못하면 후행차량과의 2차 추돌 가능성이 높아진다.Meanwhile, when a collision accident occurs while the preceding vehicle is running or sudden braking is performed to avoid an accident, a brake light provided at the rear of the vehicle is turned on to check the braking state of the following vehicle. However, if the driver of the preceding vehicle steps on the brake pedal late or fails to step on the brake pedal at all, the possibility of a second collision with the following vehicle increases.

이러한 점에 착안하여 등록특허 제10-0820310호(이하, '참고문헌 1'이라 함)이 제안된 바 있다. In view of this point, Patent Registration No. 10-0820310 (hereinafter referred to as 'Reference 1') has been proposed.

상기 참고문헌 1은 주행중인 자동차의 주변에 있는 차량과의 차간거리를 계산하여 일정 거리 이내로 다른 차량이 접근하면 추돌 위험을 알려주어 방어운전을 할 수 있도록 함과 동시에, 추돌 사고가 발생하는 경우 사고 전후의 상황을 녹화하여 증거자료로 제출할 수 있도록 한 자동차의 추돌방지장치 및 방법에 관한 것으로서, 자동차(10)의 전방과 후방 및 측방에 각각 설치되고 거리 센서를 구비한 복수의 카메라(11,12,13)와; 운전석 앞쪽에 설치되어 상기 카메라(11,12,13)에 의해 촬영된 영상을 화면으로 나타내는 표시부(30)와; 상기 카메라(11,12,13)에 의해 취득된 영상 및 거리 데이터를 분석하여 상기 표시부(30)로 전달하는 제어부(20)와; 자동차(10)의 운행정보를 상기 제어부(20)로 전달하는 정보 입력부(26);를 포함하는 자동차의 추돌방지장치에 있어서, 상기 제어부(20)는, 상기 카메라(11,12,13)의 거리센서로부터 전달된 신호를 이용하여 차간거리를 연산하는 거리측정 컨트롤러(22)와, 상기 거리측정 컨트롤러(22)로부터 전달된 거리 데이터를 이용하여 차간거리의 변화추이를 감지하고 이를 기반으로 하여 추돌 위험성을 판단하며 상기 표시부(30)를 제어하는 주제어기(21)를 포함하는 것을 특징으로 한다.Reference 1 above calculates the inter-vehicle distance between the vehicle in the vicinity of the vehicle in motion and informs the risk of collision when another vehicle approaches within a certain distance so that defensive driving can be performed, and at the same time, in the event of a collision accident It relates to a collision prevention device and method for a vehicle that records the situation before and after and submits it as evidence. ,13) and; a display unit 30 installed in front of the driver's seat and displaying the images captured by the cameras 11, 12, and 13 on a screen; a control unit 20 which analyzes the images and distance data obtained by the cameras 11, 12, and 13 and transmits them to the display unit 30; In the vehicle collision avoidance device including an information input unit 26 that transmits driving information of the vehicle 10 to the control unit 20, the control unit 20 includes A distance measurement controller 22 that calculates an inter-vehicle distance using a signal transmitted from a distance sensor, and a change trend in an inter-vehicle distance is detected using the distance data transmitted from the distance measurement controller 22, and collision based on this It is characterized in that it includes a main controller 21 for determining the risk and controlling the display unit 30.

그런데 이러한 구조는 선행차량에 적용되는 경우 여전히 선행차량의 급제동 또는 추돌사고시 후행차량의 운전자에게 해당 정보를 제공하기 미흡하여 충분한 대처를 할 수 없어 2차 추돌 가능성이 여전히 높다.However, when this structure is applied to the preceding vehicle, it is still insufficient to provide corresponding information to the driver of the following vehicle in the event of sudden braking or a collision of the preceding vehicle, and thus the possibility of a second collision is still high.

또한 상기 참고문헌 1의 구조는 선행차량의 급제동 또는 추돌사고와는 무관하게 차간거리에 따라 추돌 위험성을 판단하고 이를 표시하거나 경고음을 출력함에 따라 안전운전 중에도 불필요한 정보를 운전자에게 제공하여 운전 집중에 방해가되는 원인이 될 수 있다.In addition, the structure of Reference 1 provides unnecessary information to the driver even during safe driving by determining the risk of collision according to the inter-vehicle distance and displaying or outputting a warning sound regardless of the sudden braking or collision accident of the preceding vehicle, interfering with driving concentration. can be a cause of

참고문헌 1 : 등록특허 제10-0820310호Reference 1: Registered Patent No. 10-0820310

따라서 이와 같은 종래 기술의 문제점을 해결하기 위하여, 본 발명은 운전자가 차량을 운전중 추돌 상황이나 사고회피를 위해 급제동 상황시 반응하는 운전자의 음성이 설정소음을 초과하면 후행차량에서 선행차량의 위험상황을 인지할 수 있도록 안내하는 음석인식기능을 이용한 차량용 위험 안내장치를 제공하는데 그 목적이 있다. Therefore, in order to solve the problems of the prior art, the present invention is a dangerous situation of a preceding vehicle in a following vehicle when the driver's voice reacting exceeds a set noise level in a collision situation while the driver is driving the vehicle or in a sudden braking situation to avoid an accident. The purpose is to provide a vehicle hazard guidance device using a voice recognition function that guides to recognize.

또한 본 발명은 운전자가 차량을 운전중 추돌 상황이나 사고회피를 위해 급제동 상황시 운행차량 운전자의 음성 이외에도 버튼 조작식 또는 스마트폰과 연동하여 비상상황을 후행차량에서 인지할 수 있도록 안내하는 음석인식기능을 이용한 차량용 위험 안내장치를 제공하는데 그 목적이 있다. In addition, the present invention provides a voice recognition function that guides the driver so that the following vehicle can recognize an emergency situation by operating a button or in conjunction with a smartphone in addition to the driver's voice during a collision situation while the driver is driving the vehicle or sudden braking to avoid an accident. The purpose is to provide a vehicle hazard guidance device using.

이와 같은 기술적 과제를 해결하기 위해 본 발명은; The present invention to solve such a technical problem;

차량의 실내에 설치되는 차량용 위험 안내장치에 있어서, 차량 운전자의 음성을 입력받는 마이크와, 상기 마이크를 통해 입력되는 음성신호의 소음정도를 산출하여 설정소음을 초과하면 위험안내정보를 출력하는 제어부와, 상기 제어부를 통해 출력되는 위험안내정보를 차량의 후면유리에 이미지로 표시하는 이미지출력부를 포함하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치를 제공한다.A danger guidance device for a vehicle installed in the interior of a vehicle, comprising: a microphone for receiving a voice of a vehicle driver; , It provides an image output unit for displaying the danger guidance information output through the control unit as an image on the rear glass of the vehicle.

이때, 상기 제어부는 상기 음성신호를 분석하여 산출한 소음정도가 설정소음을 초과하면 위험안내정보를 출력하며, 상기 이미지출력부는 미니 프로젝터로 이루어져 상기 위험안내정보를 통해 차량의 후면유리에 이미지 형태로 출력하는 것을 특징으로 한다.At this time, the control unit outputs danger guidance information when the noise level calculated by analyzing the voice signal exceeds the set noise level, and the image output unit is composed of a mini projector and displays the danger guidance information in the form of an image on the rear glass of the vehicle. characterized by output.

그리고, 상기 차량의 인스트루먼트 판넬 중앙 또는 스티어링휠에는 버튼신호를 입력할 수 있는 안내버튼이 구비되며, 상기 제어부는 상기 안내버튼의 버튼신호가 입력되면 상기 제어부는 소음정도가 설정소음을 초과하는지 여부를 비교분석하지 않고 설정된 위험안내정보를 출력하는 것을 특징으로 한다.In addition, a guide button capable of inputting a button signal is provided at the center of an instrument panel or a steering wheel of the vehicle, and when the button signal of the guide button is input, the controller determines whether the noise level exceeds the set noise level. It is characterized in that the set risk guidance information is output without comparative analysis.

아울러, 상기 차량의 인스트루먼트 판넬 중앙 또는 스티어링휠에는 버튼신호를 입력할 수 있는 복수의 안내버튼을 구비한 버튼모듈이 구비되고, 상기 제어부에는 상기 복수의 안내버튼에 대응하는 복수의 위험안내정보가 저장되며, 상기 제어부는 특정 안내버튼의 버튼신호가 입력되면 대응되는 위험안내정보를 선택하여 출력하는 것을 특징으로 한다.In addition, a button module having a plurality of guidance buttons capable of inputting button signals is provided in the center of an instrument panel or a steering wheel of the vehicle, and a plurality of danger guidance information corresponding to the plurality of guidance buttons is stored in the control unit. And, the control unit is characterized in that when a button signal of a specific guidance button is input, it selects and outputs corresponding danger guidance information.

그리고, 상기 차량의 후미부에는 스피커가 더 구비되며, 상기 제어부는 위험안내정보를 출력시 스피커를 제어하여 경고음을 차량 후방으로 출력하는 것을 특징으로 한다.In addition, a speaker is further provided at the rear of the vehicle, and the control unit controls the speaker to output a warning sound to the rear of the vehicle when danger guidance information is output.

아울러, 상기 차량용 위험 안내장치는 차량용 위험 안내장치를 구동을 제어할 수 있는 구동앱이 설치되는 스마트폰으로부터 무선으로 제어신호를 수신하는 무선통신부를 더 포함하며, 상기 구동앱은 스마트폰에 내장된 마이크로폰을 통해 입력되는 음성의 소음정도를 산출하여 설정소음을 초과하면 제어신호를 무선 출력하고, 상기 제어부는 상기 스마트폰의 제어신호가 무선통신부를 통해 입력되면 상기 소음정도 및 설정소음을 초과하는지 여부를 비교분석하지 않고 설정된 위험안내정보를 출력하는 것을 특징으로 한다.In addition, the vehicle hazard guidance device further includes a wireless communication unit for receiving a control signal wirelessly from a smartphone in which a driving app capable of controlling the driving of the vehicle hazard guidance device is installed, and the driving app is built into the smartphone. If the noise level of the voice input through the microphone is calculated and exceeds the set noise level, a control signal is wirelessly outputted. Characterized in that it outputs the set risk guidance information without comparative analysis.

본 발명에 따르면 운전자가 차량을 운전중 추돌 상황이나 사고회피를 위해 급제동 상황시 반응하는 무의식적 음성 또는 의식적 음성이 설정소음을 초과하면 후행차량에서 선행차량의 위험상황을 인지할 수 있도록 위험안내정보를 차량의 후면유리에 이미지 형태로 출력하여 후속차량에 의한 2차 추돌 사고를 효과적으로 방지할 수 있다.According to the present invention, when the driver's unconscious voice or conscious voice responding to a collision situation while driving a vehicle or a sudden braking situation to avoid an accident exceeds a set noise, danger guidance information is provided so that the following vehicle can recognize the dangerous situation of the preceding vehicle. By outputting the image in the form of an image on the rear glass of the vehicle, it is possible to effectively prevent a secondary collision accident caused by a following vehicle.

아울러, 본 발명에 따르면 운전자가 차량을 운전중 추돌 상황이나 사고회피를 위해 급제동 상황시 운행차량 운전자의 음성 이외에도 버튼 조작이나 스마트폰을 이용하여 위험안내정보를 차량의 후면유리에 이미지 형태로 출력할 수 있어 차량용 위험 안내장치를 차량의 구조에 따라 다양한 위치에 설치 가능하다.In addition, according to the present invention, when the driver is driving a vehicle or in a sudden braking situation to avoid an accident, danger guidance information can be output in the form of an image on the rear glass of the vehicle by manipulating buttons or using a smartphone in addition to the driver's voice. Therefore, it is possible to install the vehicle danger guidance device in various locations depending on the structure of the vehicle.

도 1은 본 발명의 제1 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 설치 예를 도시한 도면이다.
도 2는 본 발명의 제1 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 제어 구성도이다.
도 3은 본 발명의 제2 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 제어 구성도이다.
도 4는 본 발명의 제3 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 제어 구성도이다.1 is a view showing an installation example of a danger guidance device for a vehicle using a voice recognition function according to a first embodiment of the present invention.
2 is a control configuration diagram of a danger guidance device for a vehicle using a voice recognition function according to a first embodiment of the present invention.
3 is a control block diagram of a danger guidance device for a vehicle using a voice recognition function according to a second embodiment of the present invention.
4 is a control configuration diagram of a danger guidance device for a vehicle using a voice recognition function according to a third embodiment of the present invention.

이하 본 발명에 따른 음석인식기능을 이용한 차량용 위험 안내장치를 첨부된 도면을 참고로 하여 상세히 기술되는 실시 예에 의해 그 특징을 이해할 수 있을 것이다.Hereinafter, the characteristics of the vehicle hazard guidance device using the voice recognition function according to the present invention will be understood by an embodiment described in detail with reference to the accompanying drawings.

도 1 및 도 2를 참고하면, 본 발명에 따른 음석인식기능을 이용한 차량용 위험 안내장치는 차량(1)의 실내에 설치가능한 것으로, 실내 전면 중앙 상측의 오버헤드 콘솔(overhead console)이나 룸미러 주변에 설치하거나 실내 천정 헤드라이너 (headliner) 중앙 하부에 설치함이 바람직하나, 실내 후측에 설치함도 가능하다.1 and 2, the danger guidance device for a vehicle using a voice recognition function according to the present invention can be installed indoors of a vehicle 1, on an overhead console at the upper center of the front of the room or around a room mirror. It is preferable to install it on the ceiling or in the lower center of the headliner of the indoor ceiling, but it is also possible to install it at the rear of the room.

이러한 본 발명의 음석인식기능을 이용한 차량용 위험 안내장치(100)는 운전자의 음성을 입력받는 마이크(110)와, 상기 마이크(110)를 통해 입력되는 음성신호의 소음정도를 산출하여 설정소음을 초과하면 위험안내정보를 출력하는 제어부(120)와, 상기 제어부(120)를 통해 출력되는 위험안내정보를 차량(1)의 후면유리(10)에 이미지로 표시하는 이미지출력부(130)를 포함한다. The danger guidance device 100 for a vehicle using the voice recognition function of the present invention exceeds the set noise by calculating the noise level of the microphone 110 receiving the driver's voice and the voice signal input through the microphone 110 It includes a control unit 120 for outputting danger guidance information, and an image output unit 130 for displaying the danger guidance information output through the control unit 120 as an image on the rear glass 10 of the vehicle 1. .

본 발명의 차량(1)은 통상의 자동차가 바람직하나 이에 한정하지 않고 버스 등 다양한 차량에도 적용이 가능하다.The vehicle 1 of the present invention is preferably a normal automobile, but is not limited thereto and can be applied to various vehicles such as a bus.

이하, 본 발명의 각부 구성을 구체적으로 설명한다.Hereinafter, the configuration of each part of the present invention will be described in detail.

상기 차량용 위험 안내장치(100)의 마이크(110)와 제어부(120) 및 이미지출력부(130)는 하나의 하우징 내부에 장착되는 것으로, 상기 마이크(110)와 제어부(120) 및 이미지출력부(130)의 구동을 위한 구동전원은 전원부(140)에서 공급받는다.The microphone 110, the control unit 120, and the image output unit 130 of the vehicle hazard guidance device 100 are mounted inside one housing, and the microphone 110, the control unit 120, and the image output unit ( Driving power for driving the 130 is supplied from the power supply unit 140 .

이러한 전원부(140)는 차량용 배터리의 전원으로 이루어짐이 바람직하나, 충전지로 구성하여 차량용 배터리을 충전하여 사용함으로서 추돌 사고 등으로 차량용 배터리의 전원을 공급받을 수 없는 비상 상태에서도 구동이 가능하도록 함도 가능하다.The power supply unit 140 is preferably made up of power from the vehicle battery, but it is also possible to drive it even in an emergency state in which power cannot be supplied from the vehicle battery due to a collision accident or the like by using a rechargeable battery to charge the vehicle battery. .

이 경우 본 발명의 음석인식기능을 이용한 차량용 위험 안내장치(100)는 차량시동부와 연동될 수 있으며, 그에 따라 차량(1)의 시동이 켜지면 차량시동부가 구동시 차량용 배터리의 구동전원이 제어부(120)에 투입되어 초기화된 후 구동을 시작하게 되며, 차량의 시동이 꺼지면 상기 차량용 배터리의 구동전원을 차단하여 차량용 위험 안내장치(100)의 구동을 정지할 수 있다.In this case, the vehicle hazard guidance device 100 using the voice recognition function of the present invention may be interlocked with the vehicle starter, and accordingly, when the vehicle 1 is turned on, the driving power of the vehicle battery when the vehicle starter is driven After being put into the control unit 120 and initialized, driving starts, and when the engine of the vehicle is turned off, driving of the vehicle danger guidance device 100 may be stopped by cutting off the driving power of the vehicle battery.

한편, 상기 마이크(110)는 차량의 살내에 탑승한 운전자 또는 동승자 등의 음성을 입력받는다. 이러한 마이크(110)는 음성을 전기적인 신호형태의 음성신호로 변환하며 이러한 음성신호는 제어부(120)로 입력된다.Meanwhile, the microphone 110 receives a voice input from a driver or a passenger riding in the flesh of the vehicle. The microphone 110 converts voice into a voice signal in the form of an electrical signal, and the voice signal is input to the control unit 120.

이때 상기 제어부(120)는 음성분석프로그램과 위험안내정보가 저장되는 내장메모리가 구비되는 마이컴으로 이루어질 수 있으나 이에 한정하지 않는다.At this time, the control unit 120 may be made of a microcomputer equipped with a built-in memory for storing a voice analysis program and risk guidance information, but is not limited thereto.

이와 같은 제어부(120)는 상기 음성신호를 분석하여 소음정도를 산출한 후 설정소음을 초과하는지 여부를 비교한다. 이 경우 상기 설정소음은 예를 들어 시끄러운 사무실 수준인 70dB일 수 있으나, 이에 한정하지 않고 다양한 기준으로 설정할 수 있다.The control unit 120 analyzes the voice signal to calculate the noise level, and then compares whether or not it exceeds the set noise level. In this case, the set noise may be, for example, 70 dB, which is the level of a noisy office, but is not limited thereto and may be set according to various standards.

한편 상기 제어부(120)는 감지된 소음정도가 설정소음을 초과하면 위험안내정보를 출력한다. 이 경우 상기 위험안내정보는 영문, 한글 등 다양한 형태로 이루어질 수 있으며, 예를 들어 "Danger" , "위험", "전방 사고", "감사합니다.", "양보 부탁드립니다." 등 중에 어느 하나일 수 있다.Meanwhile, the controller 120 outputs danger guidance information when the detected noise level exceeds the set noise level. In this case, the above risk guidance information can be in various forms, such as English and Korean. It may be any one of the like.

이와 같이 제어부(120)를 통해 출력되는 위험안내정보는 이미지출력부(130)를 통해 차량(1)의 후면유리(10)에 이미지 형태로 출력한다. 이때 상기 이미지출력부(130)는 광 출력을 수행하는 예를 들어, 미니 프로젝터로 구성될 수 있으나 이로 제한되지 않는다.In this way, the danger guidance information output through the control unit 120 is output in the form of an image on the rear glass 10 of the vehicle 1 through the image output unit 130 . In this case, the image output unit 130 may be configured as, for example, a mini projector that outputs light, but is not limited thereto.

한편, 상기 차량용 위험 안내장치(100)와 연동되어 버튼신호를 입력할 수 있는 안내버튼(150)을 상기 차량(1)의 인스트루먼트 판넬 중앙에 구비하거나, 스티어링휠에 구비할 수 있다.Meanwhile, a guide button 150 capable of inputting a button signal in conjunction with the vehicle hazard guidance device 100 may be provided in the center of the instrument panel of the vehicle 1 or provided on the steering wheel.

이러한 구성에 의하면 운전자 또는 조수석에 동승하는 동승자가 안내버튼(150)을 눌러 버튼신호가 제어부(120)로 입력되면 상기 제어부(120)는 소음정도가 설정소음을 초과하는지 여부를 비교분석하지 않고 곧바로 설정된 위험안내정보를 출력하여 차량(1)의 후면유리(10)에 이미지로 표시할 수 있다.According to this configuration, when the driver or a passenger in the passenger seat presses the guide button 150 and the button signal is input to the control unit 120, the control unit 120 does not compare and analyze whether the noise level exceeds the set noise level, but immediately It is possible to output the set danger guidance information and display it as an image on the rear glass 10 of the vehicle 1 .

이에 더해 상기 차량의 후미부(예를 들어 범퍼 부분)에는 스피커(또는 혼(horn))(160)을 더 구비하여 상기 위험안내정보를 출력시 상기 제어부(120)는 스피커(160)를 제어하여 경고음을 차량 후방으로 출력함으로서 후미차량 운전자의 사고 위험 인식률을 더욱 향상시킬 수 있다. In addition to this, a speaker (or horn) 160 is further provided at the rear of the vehicle (eg, a bumper portion) so that the control unit 120 controls the speaker 160 when the danger guidance information is output. By outputting a warning sound to the rear of the vehicle, the accident risk recognition rate of the driver of the rear vehicle can be further improved.

이 경우 상기 경고음은 단순음 이외에도 "위험", "전방 사고", "감사합니다.", "양보 부탁드립니다." 등 다양한 음성메시지를 출력할 수도 있다.In this case, the above warning sounds are "danger", "accident ahead", "thank you", "please give way" in addition to simple sounds. You can also output various voice messages.

다음으로 도 3은 본 발명의 제2 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 제어 구성도이다. Next, FIG. 3 is a control block diagram of a danger guidance device for a vehicle using a voice recognition function according to a second embodiment of the present invention.

이는 상기 차량용 위험 안내장치(100)와 연동되어 복수의 경고신호를 선택 입력할 수 있는 복수의 안내버튼(150)을 구비한 버튼모듈(15)을 상기 차량(1)의 인스트루먼트 판넬 중앙에 구비하거나, 스티어링휠에 구비할 수 있다. This is provided with a button module 15 having a plurality of guidance buttons 150 capable of selecting and inputting a plurality of warning signals in conjunction with the vehicle hazard guidance device 100 at the center of the instrument panel of the vehicle 1, or , can be provided on the steering wheel.

이에 더해 상기 제어부(120)의 내장메모리에 저장되는 위험안내정보 역시 "위험", "전방 사고", "감사합니다.", "양보 부탁드립니다." 등 복수를 포함한다.In addition to this, the danger guidance information stored in the internal memory of the control unit 120 is also "danger", "forward accident", "thank you", "please yield." including plural.

이에 예를 들어 상기 복수의 안내버튼(150)이 제1 내지 제4 안내버튼(151,152,153,154)으로 이루어지고, 제1 안내버튼(151)의 경고신호에 대응하는 위험안내정보인 "위험", 제2 안내버튼(152)의 경고신호에 대응하는 위험안내정보인 "전방 사고", 제3 안내버튼(153)의 경고신호에 대응하는 위험안내정보인 "감사합니다", 제4 안내버튼(154)의 경고신호에 대응하는 위험안내정보인 "양보 부탁드립니다."보를 내장메모리에 저장할 수 있다.Thus, for example, the plurality of guide buttons 150 are composed of first to fourth guide buttons 151, 152, 153, and 154, and the danger guide information corresponding to the warning signal of the first guide button 151 is "danger", the second "Forward Accident", which is danger guidance information corresponding to the warning signal of the guidance button 152, "Thank you", which is danger guidance information corresponding to the warning signal of the third guidance button 153, and the fourth guidance button 154 Danger guidance information corresponding to the warning signal, "Please yield", can be stored in the internal memory.

이러한 구성에 의하면 운전자 또는 조수석에 동승하는 동승자가 특정 안내버튼(151)을 눌러 버튼신호가 제어부(120)로 입력되면 해당 버튼신호에 대응되는 위험안내정보를 선택 및 출력하여 차량(1)의 후면유리(10)에 이미지로 표시할 수 있다.According to this configuration, when a driver or a passenger in the passenger seat presses a specific guidance button 151 and a button signal is input to the control unit 120, danger guidance information corresponding to the corresponding button signal is selected and output to select and output the rear side of the vehicle 1. It can be displayed as an image on the glass 10.

이에 더해 상기 차량(1)의 실내 후측에 위치하는 후면유리(10)에 근접하게 반사판을 더 설치하여 이미지 형태의 위험안내정보를 후면유리(10)에 더욱 선명하게 반사하여줌으로서 시인성을 향상시킴도 바람직하다.In addition to this, a reflector is further installed close to the rear glass 10 located on the rear side of the interior of the vehicle 1 to more clearly reflect the danger guidance information in the form of an image to the rear glass 10, thereby improving visibility. is also desirable

또한 도 4는 본 발명의 제3 실시 예에 따른 음석인식기능을 이용한 차량용 위험 안내장치의 제어 구성도이다. 4 is a control block diagram of a danger guidance device for a vehicle using a voice recognition function according to a third embodiment of the present invention.

이는 상기 차량용 위험 안내장치(100)와 스마트폰(200)을 연동할 수 있는 구성으로 상기 스마트폰(200)은 차량(1)의 인스트루먼트 판넬 중앙에 거치할 수 있다.This is a configuration capable of interlocking the vehicle hazard guidance device 100 and the smartphone 200, and the smartphone 200 can be mounted in the center of the instrument panel of the vehicle 1.

이에 의하면 차량용 위험 안내장치(100)는 운전자의 음성을 입력받는 마이크(110)와, 상기 마이크(110)를 통해 입력되는 음성신호의 소음정도를 산출하여 설정소음을 초과하면 위험안내정보를 출력하는 제어부(120)와, 상기 제어부(120)를 통해 출력되는 위험안내정보를 차량(1)의 후면유리(10)에 이미지로 표시하는 이미지출력부(130) 이외에 스마트폰(200)으로부터 무선으로 제어신호를 수신하는 무선통신부(170)를 더 포함한다. According to this, the vehicle danger guidance device 100 calculates the noise level of the voice signal input through the microphone 110 receiving the driver's voice and the microphone 110, and outputs danger guidance information when the noise exceeds the set noise level. In addition to the control unit 120 and the image output unit 130 that displays the danger guidance information output through the control unit 120 as an image on the rear glass 10 of the vehicle 1, it is wirelessly controlled from the smartphone 200. A wireless communication unit 170 for receiving signals is further included.

이 경우 상기 무선통신부(170)는 블루투스모듈 등의 다양한 근거리 통신모듈로 구성될 수 있다.In this case, the wireless communication unit 170 may be composed of various short-distance communication modules such as a Bluetooth module.

이때 상기 차량용 위험 안내장치(100)과 연동 운영하기 위해 상기 스마트폰(200)에는 차량용 위험 안내장치(100)를 구동을 제어할 수 있는 구동앱(210)을 설치하여 상기 구동앱(210)을 구동시 자동으로 차량용 위험 안내장치(100)와 연동된다. At this time, in order to operate in conjunction with the vehicle hazard guidance device 100, a driving app 210 capable of controlling driving of the vehicle hazard guidance device 100 is installed in the smartphone 200 to operate the driving app 210. When driven, it is automatically interlocked with the vehicle hazard guidance device 100.

이 경우 상기 구동앱(210)은 음성인식 기능을 구비함으로서 스마트폰(200)에 내장된 마이크로폰을 통해 입력되는 음성의 소음정도를 산출하여 설정소음을 초과하면 제어신호를 무선 출력한다.In this case, the driving app 210 has a voice recognition function and calculates the noise level of the voice input through the microphone built into the smartphone 200 and outputs a control signal wirelessly when the noise level exceeds the set noise level.

이에 상기 스마트폰(200)의 제어신호가 차량용 위험 안내장치(100)의 무선통신부(170)로 무선 수신되어 제어부(120)로 입력되면 상기 제어부(120)는 자체적으로 소음정도 및 설정소음을 초과하는지 여부 등을 비교분석하지 않고 곧바로 설정된 위험안내정보를 출력하여 차량(1)의 후면유리(10)에 이미지로 표시할 수 있다.Accordingly, when the control signal of the smartphone 200 is wirelessly received by the wireless communication unit 170 of the vehicle hazard guidance device 100 and input to the control unit 120, the control unit 120 exceeds the noise level and set noise by itself. It is possible to directly output the set hazard guidance information without comparing and analyzing whether or not the vehicle 1 is displayed as an image on the rear glass 10 .

이러한 구조는 차량용 위험 안내장치(100)를 운전석과 상대적으로 이격 거리가 먼 차량 실내 후측의 임의의 위치에 설치할 수 있는 장점이 있다.This structure has the advantage of being able to install the danger guidance device 100 for a vehicle at an arbitrary position on the rear side of the vehicle interior that is relatively far from the driver's seat.

이상의 설명은 본 발명의 기술 사상을 예시적으로 설명한 것에 불과한 것으로서, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 본 발명의 본질적인 특성에서 벗어나지 않는 범위에서 다양한 수정 및 변형 가능한 것으로, 본 발명의 보호범위는 아래의 청구범위에 의하여 해석되어야 하며, 그와 동등한 범위 내에 있는 모든 기술 사상은 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art can make various modifications and variations without departing from the essential characteristics of the present invention. The protection scope of should be interpreted by the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

1: 차량 10: 후면유리
100: 차량용 위험 안내장치 110: 마이크
120: 제어부 130: 이미지출력부
140: 전원부 150: 안내버튼
160: 스피커 170: 무선통신부
200: 스마트폰 210: 구동앱1: vehicle 10: rear glass
100: vehicle hazard guidance device 110: microphone
120: control unit 130: image output unit
140: power unit 150: guide button
160: speaker 170: wireless communication unit
200: Smartphone 210: Driving App

Claims (5)

차량(1)의 실내에 설치되는 차량용 위험 안내장치(100)에 있어서,
차량 운전자의 음성을 입력받는 마이크(110)와, 상기 마이크(110)를 통해 입력되는 음성신호의 소음정도를 산출하여 설정소음을 초과하면 위험안내정보를 출력하는 제어부(120)와, 상기 제어부(120)를 통해 출력되는 위험안내정보를 차량(1)의 후면유리(10)에 이미지로 표시하는 이미지출력부(130)를 포함하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치.
In the vehicle danger guidance device 100 installed in the interior of the vehicle 1,
A microphone 110 that receives the voice of the vehicle driver, a controller 120 that calculates the noise level of the voice signal input through the microphone 110 and outputs danger guidance information when it exceeds a set noise level, and the controller ( 120) a danger guidance device for a vehicle using a voice recognition function, characterized in that it comprises an image output unit 130 for displaying the danger guidance information output through the image on the rear glass 10 of the vehicle 1.
 제 1항에 있어서,
상기 제어부(120)는 상기 음성신호를 분석하여 산출한 소음정도가 설정소음을 초과하면 위험안내정보를 출력하며,
상기 이미지출력부(130)는 미니 프로젝터로 이루어져 상기 위험안내정보를 통해 차량(1)의 후면유리(10)에 이미지 형태로 출력하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치.
According to claim 1,
The control unit 120 outputs danger guidance information when the noise level calculated by analyzing the voice signal exceeds the set noise level,
The image output unit 130 is composed of a mini projector and outputs the danger guidance information to the rear glass 10 of the vehicle 1 in the form of an image.
 제 1항에 있어서,
상기 차량(1)의 인스트루먼트 판넬 중앙 또는 스티어링휠에는 버튼신호를 입력할 수 있는 복수의 안내버튼을 구비한 버튼모듈(15)이 구비되고,
상기 제어부(120)에는 상기 복수의 안내버튼에 대응하는 복수의 위험안내정보가 저장되며,
상기 제어부(120)는 특정 안내버튼의 버튼신호가 입력되면 대응되는 위험안내정보를 선택하여 출력하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치.
According to claim 1,
A button module 15 having a plurality of guide buttons capable of inputting button signals is provided in the center of the instrument panel or steering wheel of the vehicle 1,
The control unit 120 stores a plurality of risk guidance information corresponding to the plurality of guidance buttons,
The control unit 120 is a vehicle danger guidance device using a voice recognition function, characterized in that when a button signal of a specific guidance button is input, the corresponding danger guidance information is selected and output.
 제 1항에 있어서,
상기 차량(1)의 후미부에는 스피커(160)가 더 구비되며,
상기 제어부(120)는 위험안내정보를 출력시 스피커(160)를 제어하여 경고음을 차량 후방으로 출력하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치.
According to claim 1,
A speaker 160 is further provided at the rear of the vehicle 1,
The control unit 120 controls the speaker 160 when outputting danger guidance information to output a warning sound to the rear of the vehicle.
 제 1항에 있어서,
상기 차량용 위험 안내장치(100)는 차량용 위험 안내장치(100)를 구동을 제어할 수 있는 구동앱(210)이 설치되는 스마트폰(200)으로부터 무선으로 제어신호를 수신하는 무선통신부(170)를 더 포함하며,
상기 구동앱(210)은 스마트폰(200)에 내장된 마이크로폰을 통해 입력되는 음성의 소음정도를 산출하여 설정소음을 초과하면 제어신호를 무선 출력하고,
상기 제어부(120)는 상기 스마트폰(200)의 제어신호가 무선통신부(170)를 통해 입력되면 상기 소음정도 및 설정소음을 초과하는지 여부를 비교분석하지 않고 설정된 위험안내정보를 출력하는 것을 특징으로 하는 음석인식기능을 이용한 차량용 위험 안내장치.
According to claim 1,
The vehicle danger guidance device 100 has a wireless communication unit 170 for receiving a control signal wirelessly from a smartphone 200 in which a driving app 210 capable of controlling the driving of the vehicle danger guidance device 100 is installed. Including more
The driving app 210 calculates the noise level of the voice input through the microphone built into the smartphone 200 and outputs a control signal wirelessly when it exceeds the set noise level,
When the control signal of the smartphone 200 is input through the wireless communication unit 170, the control unit 120 outputs set risk guidance information without comparing and analyzing whether or not the noise level and the set noise level are exceeded. Danger guidance device for vehicles using voice recognition function.
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Publication number Priority date Publication date Assignee Title
KR100820310B1 (en) 2006-10-10 2008-04-08 영화테크(주) Preventing apparatus and the same method of rear-end collision of a car
KR101922337B1 (en) * 2017-05-02 2018-11-26 세명대학교 산학협력단 Safe driving method for aged person
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100820310B1 (en) 2006-10-10 2008-04-08 영화테크(주) Preventing apparatus and the same method of rear-end collision of a car
KR101922337B1 (en) * 2017-05-02 2018-11-26 세명대학교 산학협력단 Safe driving method for aged person
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