KR920702174A - 이어폰 장치 - Google Patents

이어폰 장치

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Publication number
KR920702174A
KR920702174A KR1019910701122A KR910701122A KR920702174A KR 920702174 A KR920702174 A KR 920702174A KR 1019910701122 A KR1019910701122 A KR 1019910701122A KR 910701122 A KR910701122 A KR 910701122A KR 920702174 A KR920702174 A KR 920702174A
Authority
KR
South Korea
Prior art keywords
signal
unit
microphone unit
earphone
control circuit
Prior art date
Application number
KR1019910701122A
Other languages
English (en)
Other versions
KR100231219B1 (ko
Inventor
기요후미 이나나가
히로유끼 소가와
야스히로 이이다
아끼라 기무라
Original Assignee
오오가 노리오
소니 가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from JP2008509A external-priority patent/JP2778173B2/ja
Priority claimed from JP2008510A external-priority patent/JP2778174B2/ja
Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR920702174A publication Critical patent/KR920702174A/ko
Application granted granted Critical
Publication of KR100231219B1 publication Critical patent/KR100231219B1/ko

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Classifications

    • 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
    • H04R1/1083—Reduction of ambient noise
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1783—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17837—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by retaining part of the ambient acoustic environment, e.g. speech or alarm signals that the user needs to hear
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3013—Analogue, i.e. using analogue computers or circuits
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3214—Architectures, e.g. special constructional features or arrangements of features
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/321—Physical
    • G10K2210/3222—Manual tuning
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50—Miscellaneous
    • G10K2210/509—Hybrid, i.e. combining different technologies, e.g. passive and active
    • 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
    • H04R1/1016—Earpieces of the intra-aural type
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • 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
    • H04R2420/01—Input selection or mixing for amplifiers or loudspeakers

Abstract

내용 없음

Description

이어폰 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관계하는 이어폰 장치의 음향 부분의 단면도, 제2도는 상기 이어폰 장치의 구성을 도시하는 블럭도, 제3도는 상기 이어폰 장치를 적용한 헤드세트의 외관을 도시하는 사시도.

Claims (9)

  1. 와이도와 개략 동일한 안지름으로 형성되며, 일단측이 이개 장착부로 되며, 타단측이 음성의 무반사단으로 된 음향관과, 장착시에 있어서 각각 귀의 근처에 설치됨과 더불어, 상기 음향관의 주위면에 각 진동면을 관내쪽으로 바라게해서 서로 접근해서 부착되는 이어폰 유니트 및 내부 마이크로폰 유니트를 가지며, 상기 내부 마이크로폰 유니트에서 얻어지는 신호의 위상을 반전시켜서 상기 이어폰 유니트에 공급하므로서 외부 소음을 저감하는 것을 특징으로 하는 이어폰 장치.
  2. 제1항에 있어서, 상기 내부 마이크로폰 유니트에서 얻어지는 신호의 위상 반전 신호와 입력 음향 신호를 가산하는 가산기와, 상기 가산기의 출력 신호의 주파수 특성을 제어하는 제어 회로와, 상기 제어 회로의 출력을 증폭해서 상기 이어폰 유니트에 공급하는 증폭 회로를 가지며, 상기 내부 마이크로폰을 유니트의 주파수 영역에서 나타낸 전달 함수를 M로 하고, 상기 제어 회로의 주파수 영역에서 나타낸 전달 함수는 β로 하고, 상기 증폭 회로의 주파수 영역에서 나타낸 전달 함수를 A로 하고, 상기 이어폰 유니트의 주파수 영역에서 나타낸 전달 함수를 H로 하고, 각 전달함수를 AHMβ〉〉1의 범위로 설정한 것을 특징으로 하는 이어폰 장치.
  3. 제2항에 있어서, 상기 증폭 회로의 전달 함수 A를 AHMβ〉〉1의 범위에서 가변 자유로 한 것을 특징으로 하는 이어폰 장치.
  4. 제1항에 있어서, 외부음을 전기 신호로 변환하는 외부 마이크로폰 유니트를 상기 음향관의 외부에 설치하고, 입력 음향 신호와 상기 내부 마이크로폰 유니트에서 얻어지는 신호의 위상 반전 신호와 상기 외부 마이크로폰 유니트에 의해 얻어지는 신호와 상기 내부 마이크로폰 유니트에서 얻어지는 신호를 혼합수단으로 혼합해서 상기 이어폰 유니트에 공급하는 것을 특징으로 하는 이어폰 장치.
  5. 와이도와 개략 동일한 안지름으로 형성되며, 일단측이 이개 장착부로 되며 타단측이 음성의 무 반사단으로 된 음향관과, 상기 음향관의 외부에 배치되며, 외부음을 전기 신호로 변환하는 외부 마이크로폰 유니트와, 상기 음향관의 주위면에 각각 진동면을 관내 쪽으로 바라게 해서 서로 근접해서 부착하는 이어폰 유니트 및 내부 마이크로폰 유니트와 입력 음향 신호와 상기 내부 마이크로폰 유니트로 얻어지는 신호의 부귀환 신호와 상기 외부 마이크로폰 유니트로 얻어지는 신호를 혼합하는 혼합비의 가변 설정 자유인 혼합 수단을 구비하며, 상기 혼합 수단의 출력 신호를 상기 이어폰 유니트에 공급하는 것을 특징으로 하는 이어폰 장치.
  6. 제5항에 있어서, 상기 혼합 수단은 입력 음향 신호의 이득을 가변하는 제1의 가변 이득 제어 회로와, 상기 내부 마이크로폰 유니트에서 얻어지는 신호의 부귀환 이득을 가변하는 제2의 가변 이득 제어 회로와, 상기 외부 마이크로폰 유니트로 얻어지는 신호의 이득을 가변하는 제2의 가변 이득 제어 회로와, 상기 외부 마이크로폰 유니트로 얻어지는 신호의 이득을 가변하는 제3의 가변 이득 제어 회로와, 상기 제1내지 제3의 가변 이득 제어 회로의 각각의 출력을 가산하는 가산기를 구비하는 것을 특징으로 하는 이어폰 장치.
  7. 제5항에 있어서, 상기 이어폰 유니트 및 내부 마이크로폰 유니트는 상기 음향관의 측면에 각가의 진동판이 평행이 되게 부착되는 것을 특징으로 하는 이어폰 장치.
  8. 제7항에 있어서, 상기 이어폰 유니트 및 내부 마이크로폰 유니트의 진동면과 상기 음향관의 내면을 동일면에 구성하는 것을 특징으로 하는 이어폰 장치.
  9. 제8항에 있어서, 상기 음향관은 상기 이개 장착부에서 상기 무반사단까지 개략 일정의 안지름을 갖는 것을 특징으로 하는 이어폰 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701122A 1990-01-19 1991-01-18 이어폰 장치 KR100231219B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2-008509 1990-01-19
JP2008509A JP2778173B2 (ja) 1990-01-19 1990-01-19 騒音低減装置
JP2-008510 1990-01-19
JP90-008509 1990-01-19
JP2008510A JP2778174B2 (ja) 1990-01-19 1990-01-19 イヤホン装置
PCT/JP1991/000058 WO1991011078A1 (en) 1990-01-19 1991-01-18 Earphone device

Publications (2)

Publication Number Publication Date
KR920702174A true KR920702174A (ko) 1992-08-12
KR100231219B1 KR100231219B1 (ko) 1999-11-15

Family

ID=26343033

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701122A KR100231219B1 (ko) 1990-01-19 1991-01-18 이어폰 장치

Country Status (4)

Country Link
EP (1) EP0464220B1 (ko)
KR (1) KR100231219B1 (ko)
DE (1) DE69113333T2 (ko)
WO (1) WO1991011078A1 (ko)

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GB2436657B (en) * 2006-04-01 2011-10-26 Sonaptic Ltd Ambient noise-reduction control system
TWI315158B (en) * 2006-06-09 2009-09-21 Cotron Corporatio Earphone with a sound guiding tube
JP5401760B2 (ja) * 2007-02-05 2014-01-29 ソニー株式会社 ヘッドフォン装置、音声再生システム、音声再生方法
EP2187654B1 (en) * 2007-09-07 2014-12-31 Pioneer Corporation Earphone
US10511902B2 (en) * 2014-10-31 2019-12-17 Sony Corporation Acoustic transducer
FI20155478A (fi) * 2015-06-18 2016-12-19 Hefio Oy Kuuloke akustiselle lähteelle ja kuormanmallinnus

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JPS55165574U (ko) * 1979-05-15 1980-11-28
JPS5756083U (ko) * 1980-09-17 1982-04-01
JPS609397U (ja) * 1983-06-29 1985-01-22 高橋　伸介 前面から質の良い音を聞くヘツドホ−ン
JP2726654B2 (ja) * 1984-04-13 1998-03-11 ボーズ・コーポレーション ヘッドホーン装置
JPS6180997A (ja) * 1984-09-27 1986-04-24 Nec Corp 音量調節器付き拡声装置
CA1299725C (en) * 1987-07-20 1992-04-28 Robert Christopher Twiney Noise reduction systems
CA1336295C (en) * 1988-09-21 1995-07-11 Masayoshi Miura Sound reproducing apparatus

Also Published As

Publication number Publication date
KR100231219B1 (ko) 1999-11-15
WO1991011078A1 (en) 1991-07-25
EP0464220A1 (en) 1992-01-08
EP0464220B1 (en) 1995-09-27
DE69113333D1 (de) 1995-11-02
EP0464220A4 (en) 1992-10-21
DE69113333T2 (de) 1996-03-07

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