KR20090128689A - 마이크와 스피커가 결합된 장치 - Google Patents
마이크와 스피커가 결합된 장치 Download PDFInfo
- Publication number
- KR20090128689A KR20090128689A KR1020080054556A KR20080054556A KR20090128689A KR 20090128689 A KR20090128689 A KR 20090128689A KR 1020080054556 A KR1020080054556 A KR 1020080054556A KR 20080054556 A KR20080054556 A KR 20080054556A KR 20090128689 A KR20090128689 A KR 20090128689A
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- KR
- South Korea
- Prior art keywords
- microphone
- speaker
- signal
- sound
- sensing circuit
- Prior art date
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- 230000000007 visual effect Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims 2
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004377 microelectronic Methods 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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Classifications
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
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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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
-
- 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
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Electroluminescent Light Sources (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (2)
- 음향코일, 자석, 댐퍼을 포함하는 음향발생장치와, 상기 음향장치의 전기회로장치와, 영상이 디스플레이되는 유기 EL(OLED)소자를 포함하여 구성되는 비주얼 스피커 장치에 있어서,상기 유기 EL소자에 매입되어 있는 마이크(5)와,상기 마이크(5)로부터 들어오는 전류신호로부터 마이크입력(18)분을 제외한 스피커로 피드백되는 신호를 검출하는 임피던스 감지회로(12)와,상기 임피던스 감지회로로부터 피드백되어 오는 마이크 신호분을 소거시키기 위하여 마이크 신호분(15,16)의 역상신호를 발생시키는 역상발생회로(10,11)와, 및임피던스 감지회로를 거쳐 들어오는 마이크 신호를 필터링하여 마이크 입력(18)으로 출력하는 저역 및 고역필터(13,14)을 포함하는 것을 특징으로 하는 마이크가 일체형으로 구성된 비주얼 스피커 장치.
- 음향코일, 자석, 댐퍼을 포함하는 음향발생장치와, 상기 음향장치의 전기회로장치와, 콘페이퍼를 포함하여 구성되는 스피커 장치에 있어서,상기 콘페이퍼에 매입되어 있는 마이크와,상기 마이크로부터 들어오는 전류신호로부터 마이크입력분을 제외한 스피커로 피드백되는 신호를 검출하는 임피던스 감지회로와,상기 임피던스 감지회로로부터 피드백되어 오는 마이크 신호분을 소거시키기 위하여 마이크 신호분의 역상신호를 발생시키는 역상발생회로와, 및임피던스 감지회로를 거쳐 들어오는 마이크 신호를 필터링하여 마이크 입력으로 출력하는 저역 및 고역필터를 포함하는 것을 특징으로 하는 마이크와 스피커가 일체형으로 구성된 스피커 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080054556A KR100998926B1 (ko) | 2008-06-11 | 2008-06-11 | 마이크와 스피커가 결합된 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020080054556A KR100998926B1 (ko) | 2008-06-11 | 2008-06-11 | 마이크와 스피커가 결합된 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090128689A true KR20090128689A (ko) | 2009-12-16 |
KR100998926B1 KR100998926B1 (ko) | 2010-12-09 |
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KR1020080054556A KR100998926B1 (ko) | 2008-06-11 | 2008-06-11 | 마이크와 스피커가 결합된 장치 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9628605B2 (en) | 2014-11-19 | 2017-04-18 | Samsung Diplay Co., Ltd. | Mobile communication device |
CN107820148A (zh) * | 2017-12-12 | 2018-03-20 | 深圳唐恩科技有限公司 | 一种有效避免啸叫的音响设备 |
US10158958B2 (en) | 2010-03-23 | 2018-12-18 | Dolby Laboratories Licensing Corporation | Techniques for localized perceptual audio |
US11189667B2 (en) * | 2018-12-28 | 2021-11-30 | Lg Display Co., Ltd. | Display microphone device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101480655B1 (ko) | 2013-12-26 | 2015-01-09 | 현대자동차주식회사 | 스피커를 이용한 사용자 인터페이스 장치 및 그 방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200298316Y1 (ko) | 2002-09-02 | 2002-12-16 | 김영덕 | 하울링을 감소시킬 수 있는 마이크로폰 시스템 |
KR100766520B1 (ko) * | 2006-09-22 | 2007-10-15 | 박승민 | 영상 스크린기능을 갖춘 스피커 장치 |
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2008
- 2008-06-11 KR KR1020080054556A patent/KR100998926B1/ko active IP Right Grant
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10158958B2 (en) | 2010-03-23 | 2018-12-18 | Dolby Laboratories Licensing Corporation | Techniques for localized perceptual audio |
US10499175B2 (en) | 2010-03-23 | 2019-12-03 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
US10939219B2 (en) | 2010-03-23 | 2021-03-02 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
US11350231B2 (en) | 2010-03-23 | 2022-05-31 | Dolby Laboratories Licensing Corporation | Methods, apparatus and systems for audio reproduction |
US9628605B2 (en) | 2014-11-19 | 2017-04-18 | Samsung Diplay Co., Ltd. | Mobile communication device |
CN107820148A (zh) * | 2017-12-12 | 2018-03-20 | 深圳唐恩科技有限公司 | 一种有效避免啸叫的音响设备 |
US11189667B2 (en) * | 2018-12-28 | 2021-11-30 | Lg Display Co., Ltd. | Display microphone device |
Also Published As
Publication number | Publication date |
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KR100998926B1 (ko) | 2010-12-09 |
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