KR20070092026A - A bluetooth-typed headset assembly for mobile phones - Google Patents

A bluetooth-typed headset assembly for mobile phones Download PDF

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Publication number
KR20070092026A
KR20070092026A KR1020060021914A KR20060021914A KR20070092026A KR 20070092026 A KR20070092026 A KR 20070092026A KR 1020060021914 A KR1020060021914 A KR 1020060021914A KR 20060021914 A KR20060021914 A KR 20060021914A KR 20070092026 A KR20070092026 A KR 20070092026A
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KR
South Korea
Prior art keywords
bluetooth
headset
audio
mobile phone
transmitter
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KR1020060021914A
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Korean (ko)
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KR100774072B1 (en
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조무희
허주원
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(주) 지.티 텔레콤
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Priority to KR1020060021914A priority Critical patent/KR100774072B1/en
Priority to PCT/KR2006/005722 priority patent/WO2007102651A1/en
Publication of KR20070092026A publication Critical patent/KR20070092026A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4212—Information or decoration elements, e.g. content indicators, or for mailing
    • B65D5/425—Decoration elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4204—Inspection openings or windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/50—Internal supporting or protecting elements for contents
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • H04M1/6066—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)

Abstract

A Bluetooth-typed headset assembly for mobile phones is provided to enhance user convenience by reproducing a high quality sound by using an FM(Frequency Modulation) radio and a car stereo speaker. A Bluetooth-typed antenna and an RF transceiver(10) receive signals from a mobile phone. A DSP(Digital Signal Processor)(11) processes the received signal. A controller(12) controls the DSP. Left/right earphones(ER,EL) receive reproduced sound from an audio interface(13). A Bluetooth block(BB) delivers the reproduced sound, which is delivered to the earphones. The Bluetooth block is embedded on a PCB(Printed Circuit Board) in a headset. A selector receives an output signal from the earphones or an audio signal from an external audio device. An FM transmitter block(FB) transmits the output signal from the selector to an FM receiver and includes an audio interface(20), an FM converter(21), and an RF transmitter(22). The FM transmitter block is mounted on the PCB.

Description

휴대폰용 블루투스헤드셋 어셈블리{A bluetooth-typed headset assembly for mobile phones}Bluetooth headset assembly for mobile phones {A bluetooth-typed headset assembly for mobile phones}

도 1 은 본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 사용을 설명하는 예시적인 사용상태의 사시도.1 is a perspective view of an exemplary use state illustrating the use of the Bluetooth headset assembly for a mobile phone of the present invention.

도 2 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리가 구현된 헤드셋의 예시적인 형상의 사시도.2 is a perspective view of an exemplary shape of a headset implemented with a Bluetooth headset assembly for a mobile phone of the present invention.

도 3 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리에 채용되는 회로기판에 구현되는 회로의 실시예를 도시하는 회로도.3 is a circuit diagram showing an embodiment of a circuit implemented in a circuit board employed in the Bluetooth headset assembly for a mobile phone of the present invention.

도 4 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 다른 부가적인 기능의 사용을 설명하는 예시적인 사시도이다.4 is an exemplary perspective view illustrating the use of another additional function of the Bluetooth headset assembly for a mobile phone of the present invention.

* 도면의 주요부분에 대한 부호의 설명** Explanation of symbols for the main parts of the drawings *

H: 휴대폰H: cell phone

S: 헤드셋S: headset

P: 회로기판P: circuit board

본 발명은 휴대폰용 블루투스헤드셋 어셈블리에 관한 것으로서, 더욱 상세히는 다양한 기종의 이동통신기기, 특히 휴대폰에서의 블루투스 통신기기인 헤드셋(Headset)의 개선에 관한 것이다.The present invention relates to a Bluetooth headset assembly for a mobile phone, and more particularly, to an improvement of a headset (Headset) which is a Bluetooth communication device in various types of mobile communication devices, particularly a mobile phone.

최근 들어 고기능의 휴대폰이 출시되고 있고 그러한 고기능의 휴대폰의 기능을 수행하기 위한 다양한 부가기능과 악세사리가 메이커별로 생산되고 있다.Recently, high-performance mobile phones have been released, and various additional functions and accessories for performing the functions of such high-performance mobile phones have been produced by manufacturers.

특히, 휴대폰 사용자의 종래의 유선형태의 이어폰의 사용을 대체할 수단으로서 저전력의 근거리 무선전송 규약방식인 소위 ‘블루투스(Bluethooth)’ 통신규약을 채용한 헤드셋이 보급되고 있다.In particular, a headset employing a so-called "Bluetooth" communication protocol, which is a low-power short-range wireless transmission protocol, has been widely used as a means to replace the conventional wired earphone of a mobile phone user.

블루투스 통신규약에 의한 헤드셋은 송신음과 수신음을 저전력으로 전송함으로서 별도의 와이어나 케이블에 의한 구속없이 통화가 가능하고 전력소모가 극히 적음으로서 유지비 또한 무시될 정도로 그 유용성이 높아 널리 보급되고 있다.Headset based on Bluetooth communication protocol transmits the transmission sound and the reception sound at low power, making it possible to talk without restraint by separate wire or cable, and the power consumption is so low that maintenance cost is negligible and is widely used.

이러한 방식의 블루투스 헤드셋의 보급에도 불구하고 더욱 최근들어서는 휴대폰 자체에 MP3 플레이어나 FM라디오 등이 기본 기능으로 제공되는 경우가 많고 음악이나 방송 등을 청취하기 위하여 블루투스 헤드셋을 착용하는 경우와 작업을 하면서 지유롭게 음악을 듣고자 하는 욕구가 존재하게 된다.In spite of the spread of this type of Bluetooth headset, more recently, the mobile phone itself is often provided with MP3 player or FM radio as a basic function, and it is not necessary to work with wearing a Bluetooth headset to listen to music or broadcasting. There is a desire to listen to music with ease.

특히, 헤드셋 자체의 이질감이나 작업 중의 일반전화로 걸려오는 유선전화, 작업지시 등을 위한 대화가 요구되는 경우에는 헤드셋의 착용이 어려운 문제점을 가지게 된다.In particular, when a call for a heterogeneity of the headset itself or a conversation for a landline telephone, a work instruction, etc., to a general telephone during work is required, wearing of the headset is difficult.

또한 블루투스 헤드셋 자체가 독립된 유니트로서 제공됨으로서 이를 응용한 부가적인 기능 또한 요청되는 현실이다.In addition, since the Bluetooth headset itself is provided as a separate unit, additional functions that apply it are also required.

본 발명의 휴대폰용 블루투스헤드셋 어셈블리는 상기하는 점을 고려하여 헤드셋 자체에 부가적인 기능을 더 부여함으로서 휴대폰에 제공되는 기능의 사용의 편의성을 증대하기 위한 구성을 제공하는 것을 목적으로 한다.It is an object of the present invention to provide a configuration for increasing the ease of use of the functions provided to the mobile phone by providing additional functions to the headset itself in consideration of the above point.

본 발명의 휴대폰용 블루투스헤드셋 어셈블리는 블루투스 통신규약에 따라서 송수신된 오디오 신호를 FM트랜스미터의 회로부를 통하여 FM수신기에서 이를 청취할 수 있게 하는 기본적인 기능을 가진다.The Bluetooth headset assembly for a mobile phone of the present invention has a basic function of allowing an FM receiver to listen to an audio signal transmitted and received according to a Bluetooth communication protocol through a circuit part of an FM transmitter.

또한, 본 발명의 휴대폰용 블루투스헤드셋 어셈블리는 그 자체가 별도의 독립된 FM트랜스미터 유니트로서 사용됨으로서 다양한 음향기기의 오디오신호를 FM 수신기에서 청취할 수 있게 하여 복합적인 기능을 수행하게 하는 것을 특징으로 한다.In addition, the Bluetooth headset assembly for a mobile phone of the present invention is used as a separate independent FM transmitter unit, so that it is possible to listen to audio signals of various acoustic devices in the FM receiver to perform a complex function.

이하의 부수된 도면과 함께 본 발명의 휴대폰용 블루투스헤드셋 어셈블리를 더욱 상세하게 설명한다.The following describes the Bluetooth headset assembly for a mobile phone of the present invention in more detail with the accompanying drawings.

도 1 은 본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 사용을 설명하는 예시적인 사용상태의 사시도, 도 2 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리가 구현된 헤드셋의 예시적인 형상의 사시도, 도 3 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리에 채용되는 회로기판에 구현되는 회로의 실시예를 도시하는 회로도, 도 4 는 본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 다른 부가적인 기능의 사용을 설명하는 예시적인 사시도이다.1 is a perspective view of an exemplary use state illustrating the use of a Bluetooth headset assembly for a mobile phone of the present invention, FIG. 2 is a perspective view of an exemplary shape of a headset implemented with a Bluetooth headset assembly for a mobile phone of the present invention, and FIG. 4 is a circuit diagram showing an embodiment of a circuit implemented in a circuit board employed in a Bluetooth headset assembly for a cellular phone of the present invention. FIG. 4 is an exemplary perspective view illustrating the use of another additional function of the Bluetooth headset assembly for a cellular phone of the present invention.

본 발명에 적용이 가능한 블루투스 규약을 따른 헤드셋(S)이 도 1 과 도 2 에 예시적인 디자인의 것으로서 도시되어 있지만 이러한 디자인의 헤드셋(S)에 국한되는 것이 아님은 물론이다.Although the headset S according to the Bluetooth protocol applicable to the present invention is shown as an exemplary design in Figs. 1 and 2, it is a matter of course that it is not limited to the headset S of this design.

도 1 내지 2의 헤드셋(S)은 통상적인 헤드폰의 형태 또는 개선된 디자인의 케이싱에 회로기판(P)이 수납되고 좌우측 또는 좌,우측의 한 개의 이어폰(ER,EL)이 제공되는 형태를 가진다.The headset S of FIGS. 1 and 2 has a shape in which a circuit board P is housed in a conventional headphone or a casing of an improved design, and one earphone ER or EL is provided at left, right, or right. .

관련된 도 3 의 상단의 회로기판(P) 상에 실장되는 회로부의 일부인 블루투스블록(BB)과 같이, 휴대폰(H)의 내,외장되는 안테나(도시하지 아니함)로부터 전송된 전파를 수신하는 블루투스안테나(1) 및 협동하여 신호를 수신,처리하는 RF트랜시버부(10)와,A Bluetooth antenna that receives radio waves transmitted from an antenna (not shown) inside or outside of the mobile phone H, such as a Bluetooth block BB, which is a part of a circuit unit mounted on the circuit board P of FIG. (1) and the RF transceiver unit 10 for cooperatively receiving and processing signals,

이 수신된 신호를 디지털적으로 처리하는 디지털신호처리부(DSP부:11) 및 디지털신호처리부(DSP부:11)를 제어하는 컨트롤러(12), 처리된 신호를 오디오음으로 재생,변환하는 오디오인터페이스(13)를 내장하여 구성되는 일반적인 블루투스 규약에 따른 처리회로를 구비하고,The controller 12 controls the digital signal processing unit (DSP unit 11) and the digital signal processing unit (DSP unit 11) for digitally processing the received signal, and the audio interface for reproducing and converting the processed signal into audio sound. It is provided with a processing circuit according to the general Bluetooth protocol that is built in (13),

오디오인터페이스(13)로부터의 재생음향은 헤드셋(S)의 좌우 이어폰(ER,EL: 도면에서는 일측의 이어폰만 구성된 것을 예시함)으로 전달된다.The playback sound from the audio interface 13 is transmitted to the left and right earphones ER and EL of the headset S. FIG.

상기하는 처리회로인 블루투스블록(BB)은 헤드셋(S)의 내장된 회로기판(P) 상에 실장된다.The above-described processing circuit Bluetooth block BB is mounted on the integrated circuit board P of the headset S.

본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 주요한 기능을 수행하기 위한 FM트랜스미터블록(FB)가 도 3 의 하단회로도로서 도시된다.The FM transmitter block FB for carrying out the main functions of the Bluetooth headset assembly for a mobile phone of the present invention is shown as the bottom circuit diagram of FIG.

FM트랜스미터블록(FB)는 블루투스블록(BB)의 좌우 이어폰(ER,EL) 으로의 출력신호를 바이패스 받아 입력신호로서 사용하게 되고 이러한 음향출력의 바이패스는 헤드셋(S)의 케이싱의 장착되는 셀렉터스위치(SW)에 의하여 이루어 진다.The FM transmitter block FB bypasses the output signals from the left and right earphones ER and EL of the Bluetooth block BB to be used as input signals, and the bypass of the sound output is mounted to the casing of the headset S. It is made by the selector switch (SW).

만일, 사용자가 헤드셋(S)을 휴대폰(H)의 음향신호를 FM수신기(R)로 전송하여 통화 및 음악을 핸즈프리 상태로서 듣고자 하면 셀렉터스위치(SW)를 통상적인 휴대폰(H) 통신용의 블루투스모우드(P1)에서, 폰오디오트랜스미터(P2)로 전환하면, 음향신호는 바이패스되어 FM트랜스미터블록(FB)로 인입되게 된다.If the user wants to listen to the call and music as a hands-free state by transmitting the audio signal of the mobile phone H to the FM receiver R, the selector switch SW is connected to the Bluetooth for normal mobile phone H communication. In the mode P1, when switching to the phone audio transmitter P2, the acoustic signal is bypassed and introduced into the FM transmitter block FB.

인입된 통신오디오신호는 오디오인터페이스(20)를 거쳐서 FM변환부(21) 및 RF송신부(22)를 경유하여, 내장 또는 외장되는 안테나(23)를 통하여 FM수신기(R)로 송출됨으로서 FM수신기(R)에서 오디오신호를 청취하게 되는 통상적인 회로의 구성을 가진다.The incoming communication audio signal is transmitted to the FM receiver R through the FM interface 21 and the RF transmitter 22 via the audio interface 20 and to the FM receiver R through an internal or external antenna 23. R) has a configuration of a conventional circuit for listening to the audio signal.

따라서, 본 발명의 휴대폰용 블루투스헤드셋 어셈블리의 주요한 관점에서 본다면 통상적인 블루투스 규약에 따른 헤드셋(S)의 내장되는 회로기판(P) 상에 FM트랜스미터블록(FB)를 부가적인 회로부로서 실장하여 가지게 되는 것이다.Therefore, from the main point of view of the Bluetooth headset assembly for a mobile phone of the present invention, the FM transmitter block FB is mounted as an additional circuit part on an embedded circuit board P of the headset S according to a general Bluetooth protocol. will be.

확장된 개념으로는, 본 발명의 휴대폰용 블루투스헤드셋 어셈블리는 휴대폰(H) 만을 위한 폰오디오트랜스미터가 아닌 모든 음향기기, 예를 들면 MP3, PMP, PDA 등으로부터의 출력신호를 자동차의 FM수신기(R) 또는 가정, 사무실 등의 FM수신기(R)로 청취할 수 있음을 의미한다.In an expanded concept, the Bluetooth headset assembly for a mobile phone of the present invention can output an output signal from all sound devices, for example, MP3, PMP, PDA, etc., not a phone audio transmitter for a mobile phone H only. ) Or FM receiver (R) in home or office.

이러한 관점에서 구성하여 구현된 것이 도 4 에 도 3과 관련하여 도시된다.A configuration implemented in this respect is shown in FIG. 4 in relation to FIG. 3.

도 3 의 회로도에서 다양한 음향기기의 오디오출력단자(오디오L,오디오R)가 외부잭(J) 등으로 인출되어 헤드셋(S)의 입력잭(JS)으로 제공되면 입력잭(JS)자체의 절환기능,In the circuit diagram of FIG. 3, when the audio output terminals (audio L and audio R) of various sound devices are drawn to the external jack J and the like are provided to the input jack JS of the headset S, the switching of the input jack JS itself is performed. function,

또는 상기의 셀렉터스위치(SW)의 블루투스모우드(P1)와 폰오디오트랜스미터모우드(P2)에 추가하여 부가적인 선택위치인 외부오디오트랜스미터 모우드(P3)로 단자접속하도록 설정하면, 다양한 외부 음향기기의 오디오신호를 헤드셋(S)을 통하여 FM수신기(R)로 전송할 수 있게 된다. 이 경우, 헤드셋(S)은 독립된 FM전송수단이 되는 것이다.Alternatively, in addition to the Bluetooth mode P1 and the phone audio transmitter mode P2 of the selector switch SW, if the terminal is connected to an external audio transmitter mode P3 which is an additional selection position, the audio of various external sound devices is set. The signal can be transmitted to the FM receiver R through the headset S. In this case, the headset S becomes an independent FM transmission means.

만일, 입력잭(JS)의 절환기능( 3개의 단자 중 2 개가 선택적으로 기계적으로 절환되어 입력선택되는 통상적인)을 이용한다면 셀렉터스위치(SW)를 폰오디오트랜스미터모우드(P2) 위치에 두고 입력잭(JS)에 음향기기의 외부잭(J)을 삽입하면 이어폰(ER,EL)으로의 출력은 차단되고 외부음향신호가 FM트랜스미터블록(FB)으로 인입되게 구성할 수도 있다.If you use the switching function of the input jack JS (normally, two of the three terminals are selectively mechanically switched and the input is selected), the selector switch SW is placed at the phone audio transmitter mode (P2) position. When the external jack J of the acoustic device is inserted into the JS, the output to the earphones ER and EL is cut off, and the external sound signal may be configured to be introduced into the FM transmitter block FB.

이러한 작동은 입력잭(JS)의 절환대신 셀렉터스위치(SW)를 외부오디오트랜스미터 모우드(P3) 위치로 설정하여도 동일함은 상술한 바와 같다.This operation is the same as described above even when the selector switch SW is set to the external audio transmitter mode P3 position instead of the switching of the input jack JS.

도 4 에서는 통상적인 MP3플레이어(M)으로 부터의 오디오신호가 외부잭(J)을 경유하여 본 발명의 헤드셋(S)으로 전송되어 헤드셋(S)이 FM트랜스미터로서 작용하여 FM수신기(R)에서 오디오신호가 재생됨을 도시하고 있다.In FIG. 4, an audio signal from a conventional MP3 player M is transmitted to the headset S of the present invention via an external jack J so that the headset S acts as an FM transmitter in the FM receiver R. It shows that an audio signal is reproduced.

따라서 바람직하게는 도 3 과 같이 비상용의 FM주파수를 지역에 따라서 선정할 수 있는 주파수선택스위치(SW2)와 주파수선택회로부(25)를 케이싱과 회로기판(P) 상에 더 구비하여 가지는 것이 바람직하다.Accordingly, it is preferable to further include a frequency selection switch SW2 and a frequency selection circuit section 25 on the casing and the circuit board P, which can select the emergency FM frequency according to the region as shown in FIG. 3. .

이상과 같은 본 발명의 휴대폰용 블루투스헤드셋 어셈블리는;Bluetooth headset assembly for a mobile phone of the present invention as described above;

휴대폰(H)의 수신음을 차량의 FM 라디오 및 카스테레오의 스피커를 이용하여 고품질의 음향을 사용하게 함으로서 휴대폰(H) 자체이 MP3 기능이나 라디오 기능의 활용을 증대하고 또한 핸즈프리 모드로의 적용이 가능할 뿐만 아니라,By making the reception sound of the mobile phone H use high quality sound by using the FM radio of the car and the speaker of the car stereo, the mobile phone H itself can increase the utilization of the MP3 function or the radio function and can also be applied to the hands-free mode. ,

외부의 다양한 음향기기로부터의 출력을 FM수신기로 전송하는 FM트랜스미터로서의 작동을 겸하게 되어 대단히 폭넓은 응용성을 가지는 것이다.It also functions as an FM transmitter that transmits outputs from various external sound devices to the FM receiver, and has a wide range of applications.

Claims (4)

휴대폰(H)으로부터 신호수신용의 블루투스안테나(1) 및 RF트랜시버부(10)와, 상기 수신된 신호를 처리하는 디지털신호처리부(DSP부:11) 및 상기 디지털신호처리부(DSP부:11)를 제어하는 컨트롤러(12), 오디오인터페이스(13), 오디오인터페이스(13)로부터의 재생음향을 좌우 이어폰(ER,EL: )으로 전달, 재생하는 블루투스규약에 따른 블루투스블록(BB)을 회로기판 상에 내장하는 헤드셋(S)을 가지는 휴대폰용 블루투스헤드셋 어셈블리에 있어서;The Bluetooth antenna 1 and the RF transceiver unit 10 for receiving a signal from the mobile phone H, the digital signal processing unit (DSP unit 11) and the digital signal processing unit (DSP unit: 11) for processing the received signal The Bluetooth block BB according to the Bluetooth protocol for transmitting and reproducing the reproduction sound from the controller 12, the audio interface 13, and the audio interface 13 to the left and right earphones ER and EL is controlled on the circuit board. In the Bluetooth headset assembly for a mobile phone having a built-in headset (S); 상기 이어폰(ER,EL)으로부터의 출력신호 또는 외부음향기기로부터의 오디오신호를 바이패스 받아 입력신호로서 하는 셀렉트수단과, 바이패스된 출력신호를 FM수신기로 전송하기 위하여, 오디오인터페이스(20), FM변환부(21), RF송신부(22)를 포함하는 FM트랜스미터블록(FB)을 상기 회로기판(P)상에 더 부가하여 가지는 것을 특징으로 하는 휴대폰용 블루투스헤드셋 어셈블리.An audio interface 20 for selecting a means for receiving the output signal from the earphones ER and EL or an audio signal from an external sound device as an input signal, and for transmitting the bypassed output signal to the FM receiver; An FM transmitter block (FB) including an FM converter (21) and an RF transmitter (22) is further provided on the circuit board (P) Bluetooth headset assembly for a mobile phone. 제 1 항에 있어서,The method of claim 1, 상기 셀렉트수단은 상기 헤드셋(S)의 케이싱에 장착된 선택스위치로서,The select means is a selection switch mounted to the casing of the headset (S), 블루투스모우드(P1), 폰오디오트랜스미터모우드(P2), 외부오디오트랜스미터 모우드(P3)에서 선택되어 지는 것을 특징으로 하는 휴대폰용 블루투스헤드셋 어셈블리.Bluetooth headset assembly for a mobile phone, characterized in that selected from the Bluetooth mode (P1), phone audio transmitter mode (P2), external audio transmitter mode (P3). 제 2 항에 있어서,The method of claim 2, 상기 폰오디오트랜스미터모우드(P2)와 외부오디오트랜스미터모우드(P3)는 외부 음향기기로부터의 음향출력용의 외부잭(J)이 헤드셋(S)의 2절환용의 입력잭(JS)으로의 삽입에 의한 기계적인 절환으로 대체가능한 것을 특징으로 하는 휴대폰용 블루투스헤드셋 어셈블리.The phone audio transmitter mode P2 and the external audio transmitter mode P3 are formed by inserting an external jack J for sound output from an external audio device into the input jack JS for two switching of the headset S. Bluetooth headset assembly for mobile phones, characterized in that replaceable by mechanical switching. 제 1 항 내지 3 항 기재의 어느 한 항에 있어서,The method according to any one of claims 1 to 3, 상기 헤드셋(S)은 FM주파수를 지역에 따라서 선정할 수 있는 주파수선택스위치(SW2)와 주파수선택회로부(25)를 상기 헤드셋(S)의 케이싱과 회로기판(P) 상에 더 구비할 수 있는 것을 특징으로 하는 휴대폰용 블루투스헤드셋 어셈블리.The headset (S) may be further provided with a frequency selection switch (SW2) and the frequency selection circuit section 25 for selecting the FM frequency according to the region on the casing and the circuit board (P) of the headset (S). Bluetooth headset assembly for a mobile phone, characterized in that.
KR1020060021914A 2006-03-08 2006-03-08 A bluetooth-typed headset assembly for mobile phones KR100774072B1 (en)

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US20130196721A1 (en) * 2011-07-26 2013-08-01 Aloft Technologies, Inc. Wireless headset
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