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KR20060063258A - System for hands-free of vehicle - Google Patents

System for hands-free of vehicle Download PDF

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Publication number
KR20060063258A
KR20060063258A KR1020040102378A KR20040102378A KR20060063258A KR 20060063258 A KR20060063258 A KR 20060063258A KR 1020040102378 A KR1020040102378 A KR 1020040102378A KR 20040102378 A KR20040102378 A KR 20040102378A KR 20060063258 A KR20060063258 A KR 20060063258A
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KR
South Korea
Prior art keywords
microphone
hands
free
vehicle
unit
Prior art date
Application number
KR1020040102378A
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Korean (ko)
Inventor
신영찬
Original Assignee
엘지전자 주식회사
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Priority to KR1020040102378A priority Critical patent/KR20060063258A/en
Publication of KR20060063258A publication Critical patent/KR20060063258A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0217Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0247Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for microphones or earphones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0264Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for control means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041Portable telephones adapted for handsfree use
    • H04M1/6075Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/13Acoustic transducers and sound field adaptation in vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

본 발명의 실시예에 의한 차량용 핸즈프리 시스템은, 핸즈프리 유닛과; 상기 핸즈프리 유닛에 연결된 다수의 마이크와; 상기 상기 다수의 마이크 중 특정 마이크의 동작을 선택하는 스위치부와; 상기 스위치부를 제어하는 제어부가 구비됨을 특징으로 한다.A vehicle hands free system according to an embodiment of the present invention includes a hands free unit; A plurality of microphones connected to the hands free unit; A switch unit for selecting an operation of a specific microphone among the plurality of microphones; A control unit for controlling the switch unit is provided.

이와 같은 본 발명에 의하면, 운전석과 조수석에 각각 지향성 마이크를 설치함으로써, 마이크의 사용 영역을 나누어 통화시 발생되는 노이즈를 저하시키고, 통화음 영역을 충분히 확보할 수 있다는 장점이 있다.According to the present invention, by providing a directional microphone in each of the driver's seat and the passenger seat, there is an advantage that the noise generated during the call can be divided by dividing the use area of the microphone and the phone sound area can be sufficiently secured.

또한, 마이크를 운전석과 조수석에 각각 설치함으로써, 통화자의 독립화 뿐 아니라, 차내 통화자와 마이크 간의 거리 최적화를 확보할 수 있다는 장점이 있다.In addition, by installing the microphone in the driver's seat and the passenger seat, respectively, not only the independence of the caller, but also the advantage of ensuring the distance optimization between the caller and the microphone in the car.

Description

차량용 핸즈프리 시스템{system for hands-free of vehicle}System for hands-free of vehicle

도 1은 본 발명의 실시예에 의한 차량용 핸즈프리 시스템을 개략적으로 나타내는 블록도. 1 is a block diagram schematically showing a vehicle hands-free system according to an embodiment of the present invention.

도 2는 본 발명에 의한 핸즈프리 시스템의 마이크 및 스피커가 차량 내에서 설치되는 위치를 개략적으로 나타내는 블록도.2 is a block diagram schematically showing a position where a microphone and a speaker of a hands-free system according to the present invention are installed in a vehicle;

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10 : 핸즈프리 유닛 12, 13 : 마이크10: hands free unit 12, 13: microphone

14 : 스위치부 16 : 제어부14 switch unit 16 control unit

18 : AV 시스템 스피커18: AV system speaker

본 발명은 차량용 핸즈프리 시스템에 관한 것으로, 특히 핸즈프리의 마이크가 다수 설치된 차량용 핸즈프리 시스템에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle hands free system, and more particularly to a vehicle hands free system provided with a plurality of hands free microphones.

최근 이동통신 분야는 그 시장이 광범위할 뿐만 아니라 연구 개발의 속도도 무척 빠르게 진행되고 있으며, 이에 따라 대기업 등 대다수의 벤처 기업들이 이동통신 분야에 적극적으로 참여하고 있는 추세에 있다. 일 예로 휴대용 전화기의 보 급 및 사용은 근래에 들어 폭발적인 증가 추세에 있으며, 아울러 자동차의 폭 넓은 보급으로 인하여 자동차 운행 도중에도 휴대용 전화기를 사용하는 경우가 매우 빈번하게 이루어지고 있는 실정이다. Recently, the mobile communication field is not only extensive but also the research and development speed is progressing very fast. Accordingly, most venture companies such as large companies are actively participating in the mobile communication field. For example, the supply and use of portable telephones has been exploding in recent years, and due to the wide spread of automobiles, the use of portable telephones is frequently used even while driving.

하지만, 운전 중 휴대용 전화기를 이용하는 것은 운전자의 집중력을 저하시키는 등 안전사고가 발생할 우려가 적지 않기 때문에 정부에서는 '운전중의 통화금지 법안' 등을 마련하고 있으며, 운전중 휴대폰 사용을 억제하려는 법적인 노력이 시도되고 있다. However, since the use of a mobile phone while driving reduces the driver's concentration, there is little risk of a safety accident, and the government has established a ban on calls while driving and legal efforts to curb the use of mobile phones while driving. This is being tried.

한편, 이러한 사회적 추세와 휴대폰의 편리한 사용 환경 등을 감안하여 운전자들에게 호응을 얻게 된 것이 차량 내 장착되는 이른 바, 핸즈프리 장치이다. 이 핸즈프리 장치는 통상 송화용 마이크로폰, 수화용 스피커, 충전기 및 단축 번호 발신용 스위치(미리 상대방의 전화 번호를 기억시켜 두어 1회의 스위치 조작으로 상대를 호출하는 것) 등이 설치되어 사용함으로써, 운전자는 핸들로부터 손을 떼지 않고도 통화가 가능한 편리한 이점이 있다.On the other hand, in view of such a social trend and the convenient use environment of the mobile phone, it is a so-called hands-free device that is mounted in the vehicle. This hands-free device is usually equipped with a telephone microphone, a speaker, a charger, and a speed dial switch (remembering the other party's telephone number and calling the partner by one switch operation). The convenience is that you can make calls without taking your hands off the phone.

이와 같은 휴대용 전화기의 자동차용 핸즈프리 장치는 자동차 내부의 운전자가 쉽게 조작할 수 있는 위치에 설치되고, 자동차 배터리에 연결되어 휴대용 전화기를 충전시킬 수 있도록 되어 있으며, 최근 들어서는 핸즈프리 장치가 차량 내에 장착되어 출시되기도 한다.The mobile hands-free device of such a mobile phone is installed in a location that can be easily operated by a driver inside the vehicle, and is connected to a car battery to charge the mobile phone. Recently, a hands-free device has been mounted in a vehicle. Sometimes.

또한, 마이크 및 스피커가 연결되어 있고 핸즈프리 기능을 수행할 수 있도록 휴대용 전화기와 결합되는 커넥터가 구비되어 있으며, 상기 마이크는 사용자의 음성을 전기적인 신호로 변환하여 휴대용 전화기로 출력함으로써 상대방 전화 가입자 와 통화할 수 있도록 하고, 상기 스피커는 휴대용 전화기에서 출력되는 상대방 전화가입자의 음성을 사용자에게 전달하는 기능을 수행한다. In addition, a microphone and a speaker are connected, and a connector is coupled with a portable telephone to perform a hands-free function, and the microphone converts a user's voice into an electrical signal and outputs it to the portable telephone to talk with the other telephone subscriber. The speaker performs the function of delivering the voice of the other party subscriber, which is output from the portable telephone, to the user.

현재 마이크로는 무지향성과 지향성 두가지 중 하나를 선택하여 사용되며, 장작위치는 일반적으로 선바이져 또는 룸램프 부근에 위치하게 된다. Currently, micros are used to choose between omni-directional and directivity, and the firewood location is generally located near the sun visor or room lamp.

여기서, 상기 지향성 마이크가 사용될 경우에는 마이크 방향을 운전석쪽으로 맞추어 놓게 되며, 이에 따라 운전자가 말하는 소리는 마이크를 통하여 잘 들어가나 조수석 또는 뒷자석에 있는 사람의 음성은 마이크에 잘 전달되지 않는 단점이 있다.In this case, when the directional microphone is used, the direction of the microphone is set toward the driver's seat. Accordingly, the driver speaks well through the microphone, but the voice of the person in the passenger seat or the rear seat is not transmitted well to the microphone. .

반대로 마이크를 무지향성을 사용하게 되면 차량에 있는 모든 사람의 음성이 마이크에 잘 전달되나, 차량에서 발생하는 모든 노이즈가 마이크를 통하여 전달되어, 핸즈프리의 에코 캔슬(echo canceling) 및 노이즈 제거(noise canceling) 기능이 현저하게 떨어지게 되는 단점이 있다.On the contrary, when the microphone is omnidirectional, everyone's voice in the vehicle is well transmitted to the microphone, but all the noise from the vehicle is transmitted through the microphone, so hands-free echo canceling and noise canceling are performed. ) There is a disadvantage that the function is significantly reduced.

본 발명은 핸즈프리 시스템에 있어서, 차량 내 운전석 및 조수석의 위치에 각각 지향성 마이크를 설치하고, 통화를 실시하는 사용자의 좌석에 해당하는 마이크가 사용되도록 함으로써, 핸즈프리 시스템의 통화 품질을 최적화하는 차량용 핸즈프리 시스템을 제공함에 그 목적이 있다.The present invention provides a hands-free system for a vehicle hands-free system, in which a directional microphone is installed at each of a driver's seat and a passenger seat, and a microphone corresponding to a seat of a user making a call is used, thereby optimizing the call quality of the hands-free system. The purpose is to provide.

상기 목적을 달성하기 위하여 본 발명의 실시예에 의한 차량용 핸즈프리 시스템은, 핸즈프리 유닛과; 상기 핸즈프리 유닛에 연결된 다수의 마이크와; 상기 상 기 다수의 마이크 중 특정 마이크의 동작을 선택하는 스위치부와; 상기 스위치부를 제어하는 제어부가 구비됨을 특징으로 한다.In order to achieve the above object, a vehicle hands-free system according to an embodiment of the present invention includes a hands-free unit; A plurality of microphones connected to the hands free unit; A switch unit for selecting an operation of a specific microphone among the plurality of microphones; A control unit for controlling the switch unit is provided.

여기서, 상기 핸즈프리 유닛은 차량 내에 구비된 AV 시스템의 스피커와 연결되어 구성되고, 상기 다수의 마이크가 운전석 및 조수석의 상단부에 각각 하나씩 구비되며, 상기 마이크는 지향성 마이크가 사용됨을 특징으로 한다. Here, the hands-free unit is configured to be connected to the speaker of the AV system provided in the vehicle, the plurality of microphones are provided at the upper end of the driver's seat and the passenger seat, respectively, the microphone is characterized in that the directional microphone is used.

또한, 상기 특정 마이크의 선택은 사용자에 의해 제어부가 조작되어 이루어지거나 또는 사용자의 음성 레벨을 측정하여 특정 레벨 이상이 검출되는 마이크가 동작되도록 제어부에 의해 선택됨을 특징으로 한다.In addition, the selection of the specific microphone is characterized in that the control is operated by the user or the user's voice level is measured by the control unit so as to operate a microphone that detects a specific level or more.

이하, 첨부된 도면을 참조하여 본 발명의 실시예를 보다 상세히 설명하도록 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시예에 의한 차량용 핸즈프리 시스템을 개략적으로 나타내는 블록도이고, 도 2는 본 발명에 의한 핸즈프리 시스템의 마이크 및 스피커가 차량 내에서 설치되는 위치를 개략적으로 나타내는 블록도이다.1 is a block diagram schematically showing a vehicle hands free system according to an exemplary embodiment of the present invention, and FIG. 2 is a block diagram schematically showing a position where a microphone and a speaker of a hands free system according to the present invention are installed in a vehicle.

도 1을 참조하면, 본 발명의 실시예에 의한 차량용 핸즈프리 시스템은 핸즈프리 유닛(10)과, 상기 핸즈프리 유닛에 연결된 다수의 마이크(12, 13)와, 상기 상기 다수의 마이크 중 특정 마이크의 동작을 선택하는 스위치부(14)와, 상기 스위치부를 제어하는 제어부(16)가 구비되어 있다.Referring to FIG. 1, a vehicle hands-free system according to an exemplary embodiment of the present invention provides a hands-free unit 10, a plurality of microphones 12 and 13 connected to the hands-free unit, and an operation of a specific microphone among the plurality of microphones. The switch part 14 which selects and the control part 16 which control the said switch part are provided.

여기서, 상기 핸즈프리 유닛(10)은 핸즈프리의 기본 기능을 지원하는 기본적인 구성을 갖춘 것으로, 그 구체적인 구조는 이미 공지되어 있으므로 설명을 생략하도록 하며, 상기 핸즈프리 유닛은 차량 내에 구비된 AV 시스템의 스피커(18)와 연결되어 구성될 수 있다.Here, the hands-free unit 10 has a basic configuration for supporting the basic functions of hands-free, the specific structure thereof is already known, so description thereof will be omitted, and the hands-free unit is a speaker 18 of the AV system provided in the vehicle. It can be configured in connection with).

즉, 상기 핸즈프리 유닛(10)이 차량 내에 구비된 AV 시스템과 일체형으로 구현될 수 있는 것이며, 이 경우 도 2에 도시된 바와 같이 핸즈프리 구동 시 차량 내부에 구비된 다수의 스피커를 통해 상대방의 음성을 들을 수 있는 것이다.That is, the hands free unit 10 may be integrated with the AV system provided in the vehicle. In this case, as illustrated in FIG. 2, the voice of the other party may be heard through a plurality of speakers provided in the vehicle during hands free driving. I can hear it.

단, 이는 사용자의 선택에 의해 특정 스피커를 통해서만 상대방의 음성이 출력되도록 제어할 수 있으며, 이는 상기 제어부(16)에 의해 이루어진다.However, this may be controlled so that the voice of the other party is output only through a specific speaker by the user's selection, which is performed by the controller 16.

또한, 좌, 우측에 구비된 스피커를 통해 통화를 수행할 경우 좌, 우측의 스피커 레벨을 동일하게 유지하도록 함이 바람직하며, 상기 스피커의 레벨 또한 사용자의 선택에 의해 상기 제어부(16)를 통해 제어가 가능하다. In addition, when making a call through a speaker provided at the left and right sides, it is preferable to maintain the same speaker level at the left and right sides, and the level of the speaker is also controlled by the controller 16 by the user's selection. Is possible.

본 발명은 차량 내에 핸즈프리 통화를 위해 다수의 마이크(12, 13)를 설치함을 그 특징으로 하는 것으로, 본 실시예에서는 상기 다수의 마이크가 운전석 및 조수석의 상단부에 각각 하나씩 구비된 경우를 그 예로 설명하도록 한다.The present invention is characterized in that a plurality of microphones 12 and 13 are installed in the vehicle for hands-free communication. Explain.

즉, 본 발명의 실시예에 의한 마이크(12, 13)는 도 2에 도시된 바와 같이, 운전석 및 조수석 상단부에 위치하고 있으며, 이를 통해 운전자 뿐 아니라 조수석에 앉아있는 사람 또한 최적의 상태로 핸즈프리를 사용할 수 있게 되는 것이다.That is, the microphones 12 and 13 according to the embodiment of the present invention are located in the upper part of the driver's seat and the passenger seat, as shown in FIG. 2, through which the driver as well as the person sitting in the passenger seat can use the hands free in an optimal state. It will be possible.

이 때, 상기 마이크(12, 13)는 지향성 마이크가 사용되는 것이 바람직하다. At this time, the microphone 12, 13 is preferably a directional microphone.

또한, 본 발명은 상기 스위치부(14)가 구비됨으로써, 상기 다수의 마이크 중 특정 마이크만이 동작되도록 하거나, 또는 모든 마이크가 동작될 수 있도록 선택할 수 있으며, 상기 스위치부는 제어부에 의해 제어된다.In addition, according to the present invention, the switch unit 14 is provided so that only a specific microphone of the plurality of microphones may be operated or all the microphones may be operated, and the switch unit is controlled by the controller.

즉, 운전자가 핸즈프리를 통해 통화를 할 경우에는 운전석 상단에 구비된 마 이크(12)가 선택되어 동작함으로써, 통화가 수행되고, 조수석에 앉은 사람이 핸즈프리를 통해 통화를 할 경우에는 조수석 상단에 구비된 마이크(13)가 선택되어 동작함으로써 통화가 수행되는 것이다.That is, when the driver makes a call through hands-free, the microphone 12 provided at the top of the driver's seat is selected and operated, so that the call is performed, and when a person sitting in the passenger seat makes a call through the hands-free, the driver is provided at the top of the passenger seat. When the microphone 13 is selected and operated, the call is performed.

또한, 운전자 및 조수자가 모두 통화에 참여하는 경우에는 상기 마이크(12, 13)가 모두 동작하여 통화가 수행될 수도 있다.In addition, when both the driver and the assistant participate in the call, the microphones 12 and 13 may be operated to perform the call.

이 때, 상기 마이크가 동작되는 것은 사용자가 직접 제어부(16)를 조작하여 특정 마이크를 선택할 수도 있으나, 사용자의 음성 레벨을 측정하여 특정 레벨 이상이 검출되는 마이크가 동작되도록 제어부(16)에 의해 제어될 수도 있다.In this case, the microphone is operated by the user can directly select the specific microphone by operating the control unit 16, the control by the control unit 16 to measure the user's voice level to operate the microphone to detect a specific level or more May be

이와 같은 본 발명에 의하면, 운전석과 조수석에 각각 지향성 마이크를 설치함으로써, 마이크의 사용 영역을 나누어 통화시 발생되는 노이즈를 저하시키고, 통화음 영역을 충분히 확보할 수 있다는 장점이 있다.According to the present invention, by providing a directional microphone in each of the driver's seat and the passenger seat, there is an advantage that the noise generated during the call can be divided by dividing the use area of the microphone and the phone sound area can be sufficiently secured.

또한, 마이크를 운전석과 조수석에 각각 설치함으로써, 통화자의 독립화 뿐 아니라, 차내 통화자와 마이크 간의 거리 최적화를 확보할 수 있다는 장점이 있다.In addition, by installing the microphone in the driver's seat and the passenger seat, respectively, not only the independence of the caller, but also the advantage of ensuring the distance optimization between the caller and the microphone in the car.

Claims (5)

핸즈프리 유닛과; A handsfree unit; 상기 핸즈프리 유닛에 연결된 다수의 마이크와; A plurality of microphones connected to the hands free unit; 상기 상기 다수의 마이크 중 특정 마이크의 동작을 선택하는 스위치부와;A switch unit for selecting an operation of a specific microphone among the plurality of microphones; 상기 스위치부를 제어하는 제어부가 구비됨을 특징으로 하는 차량용 핸즈프리 시스템.And a control unit for controlling the switch unit. 제 1항에 있어서,The method of claim 1, 상기 핸즈프리 유닛은 차량 내에 구비된 AV 시스템의 스피커와 연결되어 구성됨을 특징으로 하는 차량용 핸즈프리 시스템.The hands-free unit is a vehicle hands-free system, characterized in that configured to be connected to the speaker of the AV system provided in the vehicle. 제 1항에 있어서,The method of claim 1, 상기 다수의 마이크가 운전석 및 조수석의 상단부에 각각 하나씩 구비됨을 특징으로 하는 차량용 핸즈프리 시스템.The hands-free system for a vehicle, characterized in that each of the plurality of microphones are provided at the upper end of the driver's seat and the passenger seat. 제 1항에 있어서,The method of claim 1, 상기 마이크는 지향성 마이크가 사용됨을 특징으로 하는 차량용 핸즈프리 시스템.The microphone is a hands-free system for a vehicle, characterized in that a directional microphone is used. 제 1항에 있어서,The method of claim 1, 상기 특정 마이크의 선택은 사용자에 의해 제어부가 조작되어 이루어지거나 또는 사용자의 음성 레벨을 측정하여 특정 레벨 이상이 검출되는 마이크가 동작되도록 제어부에 의해 선택됨을 특징으로 하는 차량용 핸즈프리 시스템.The specific microphone is selected by the controller to be operated by the controller by the user or by the controller to measure a voice level of the user and detect a microphone at a specific level or more.
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