KR100561094B1 - 스피커장치 및 그 구동방법, 오디오신호 송수신장치 - Google Patents

스피커장치 및 그 구동방법, 오디오신호 송수신장치 Download PDF

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Publication number
KR100561094B1
KR100561094B1 KR1019997008033A KR19997008033A KR100561094B1 KR 100561094 B1 KR100561094 B1 KR 100561094B1 KR 1019997008033 A KR1019997008033 A KR 1019997008033A KR 19997008033 A KR19997008033 A KR 19997008033A KR 100561094 B1 KR100561094 B1 KR 100561094B1
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South Korea
Prior art keywords
signal
frequency
audio signal
output
ultrasonic wave
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Expired - Fee Related
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KR1019997008033A
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English (en)
Korean (ko)
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KR20000075951A (ko
Inventor
사사키도루
교토쿠가오루
아사다고헤이
Original Assignee
소니 가부시끼 가이샤
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Publication of KR20000075951A publication Critical patent/KR20000075951A/ko
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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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

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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)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Transducers For Ultrasonic Waves (AREA)
KR1019997008033A 1998-01-09 1998-12-28 스피커장치 및 그 구동방법, 오디오신호 송수신장치 Expired - Fee Related KR100561094B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP348398 1998-01-09
JP98-003483 1998-01-09
JP34070698A JP4221792B2 (ja) 1998-01-09 1998-11-30 スピーカ装置及びオーディオ信号送信装置
JP98-340706 1998-11-30
PCT/JP1998/006008 WO1999035881A1 (en) 1998-01-09 1998-12-28 Loudspeaker device and method for driving the same, and audio signal transmitter/receiver

Publications (2)

Publication Number Publication Date
KR20000075951A KR20000075951A (ko) 2000-12-26
KR100561094B1 true KR100561094B1 (ko) 2006-03-15

Family

ID=26337066

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019997008033A Expired - Fee Related KR100561094B1 (ko) 1998-01-09 1998-12-28 스피커장치 및 그 구동방법, 오디오신호 송수신장치

Country Status (4)

Country Link
US (1) US6807281B1 (enExample)
JP (1) JP4221792B2 (enExample)
KR (1) KR100561094B1 (enExample)
WO (1) WO1999035881A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101439315B1 (ko) 2012-12-31 2014-09-11 김지웅 개인적 위치 방향 스피커 시스템 및 제공방법
KR102184933B1 (ko) * 2019-10-08 2020-12-01 한국과학기술원 음향 통신용 스피커 드라이버

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DE10117529B4 (de) * 2001-04-07 2005-04-28 Daimler Chrysler Ag Ultraschallbasiertes parametrisches Lautsprechersystem
DE10117528B4 (de) * 2001-04-07 2004-04-01 Daimlerchrysler Ag Ultraschallbasiertes parametrisches Mehrwege-Lautsprechersystem
JP2003023689A (ja) * 2001-07-09 2003-01-24 Sony Corp 可変指向性超音波スピーカシステム
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JP4138287B2 (ja) * 2001-10-09 2008-08-27 シャープ株式会社 超指向性音響装置およびプログラム
JP3581343B2 (ja) * 2001-11-09 2004-10-27 日本電信電話株式会社 音響再生方法・音響再生装置
JP3668179B2 (ja) * 2001-11-14 2005-07-06 日本電信電話株式会社 音響再生方法、音響再生装置、超音波発生プログラム
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JP4783921B2 (ja) * 2006-03-13 2011-09-28 三菱電機エンジニアリング株式会社 超指向性スピーカー
JP4976034B2 (ja) * 2006-03-29 2012-07-18 富士通テン株式会社 セキュリティ装置
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JP5396588B2 (ja) * 2008-06-16 2014-01-22 株式会社 Ｔｒｉｇｅｎｃｅ Ｓｅｍｉｃｏｎｄｕｃｔｏｒ デジタルスピーカー駆動装置，デジタルスピーカー装置，アクチュエータ，平面ディスプレイ装置及び携帯電子機器
JPWO2010109614A1 (ja) * 2009-03-25 2012-09-20 パイオニア株式会社 音声信号処理装置及び音声信号処理方法
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CN109120975A (zh) * 2018-09-29 2019-01-01 努比亚技术有限公司 视频播放方法、终端及计算机可读存储介质
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JPH08149592A (ja) * 1994-11-16 1996-06-07 Sanyo Electric Co Ltd パラメトリックスピーカ制御装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101439315B1 (ko) 2012-12-31 2014-09-11 김지웅 개인적 위치 방향 스피커 시스템 및 제공방법
KR102184933B1 (ko) * 2019-10-08 2020-12-01 한국과학기술원 음향 통신용 스피커 드라이버

Also Published As

Publication number Publication date
JPH11262084A (ja) 1999-09-24
WO1999035881A1 (en) 1999-07-15
JP4221792B2 (ja) 2009-02-12
US6807281B1 (en) 2004-10-19
KR20000075951A (ko) 2000-12-26

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