KR100480404B1 - 복수의 센서에서의 신호 레벨 및 지연을 측정하기 위한 방법 및 장치 - Google Patents

복수의 센서에서의 신호 레벨 및 지연을 측정하기 위한 방법 및 장치 Download PDF

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Publication number
KR100480404B1
KR100480404B1 KR10-2000-7000279A KR20007000279A KR100480404B1 KR 100480404 B1 KR100480404 B1 KR 100480404B1 KR 20007000279 A KR20007000279 A KR 20007000279A KR 100480404 B1 KR100480404 B1 KR 100480404B1
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KR
South Korea
Prior art keywords
filter
signal
filtering characteristic
sensor
sensors
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Legal status (The legal status 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 status listed.)
Expired - Fee Related
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KR10-2000-7000279A
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English (en)
Korean (ko)
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KR20010021720A (ko
Inventor
넛 피터 하인델
짐 아그네 제르커 라스무쏜
Original Assignee
텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘)
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Publication of KR20010021720A publication Critical patent/KR20010021720A/ko
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Classifications

    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/345—Circuits therefor using energy switching from one active element to another
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
KR10-2000-7000279A 1997-07-11 1998-07-03 복수의 센서에서의 신호 레벨 및 지연을 측정하기 위한 방법 및 장치 Expired - Fee Related KR100480404B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/890,768 US6430295B1 (en) 1997-07-11 1997-07-11 Methods and apparatus for measuring signal level and delay at multiple sensors
US08/890,768 1997-07-11
US8/890,768 1997-07-11
PCT/SE1998/001319 WO1999003091A1 (en) 1997-07-11 1998-07-03 Methods and apparatus for measuring signal level and delay at multiple sensors

Publications (2)

Publication Number Publication Date
KR20010021720A KR20010021720A (ko) 2001-03-15
KR100480404B1 true KR100480404B1 (ko) 2005-04-06

Family

ID=25397124

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7000279A Expired - Fee Related KR100480404B1 (ko) 1997-07-11 1998-07-03 복수의 센서에서의 신호 레벨 및 지연을 측정하기 위한 방법 및 장치

Country Status (14)

Country Link
US (1) US6430295B1 (enExample)
EP (1) EP0995188B1 (enExample)
JP (1) JP4082649B2 (enExample)
KR (1) KR100480404B1 (enExample)
CN (1) CN1122963C (enExample)
AU (1) AU747618B2 (enExample)
BR (1) BR9810695A (enExample)
DE (1) DE69837663D1 (enExample)
EE (1) EE200000008A (enExample)
MY (1) MY120049A (enExample)
PL (1) PL337971A1 (enExample)
SG (1) SG70644A1 (enExample)
TW (1) TW386330B (enExample)
WO (1) WO1999003091A1 (enExample)

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Also Published As

Publication number Publication date
AU747618B2 (en) 2002-05-16
WO1999003091A1 (en) 1999-01-21
CN1269902A (zh) 2000-10-11
CN1122963C (zh) 2003-10-01
SG70644A1 (en) 2000-02-22
US6430295B1 (en) 2002-08-06
HK1031421A1 (en) 2001-06-15
EP0995188A1 (en) 2000-04-26
TW386330B (en) 2000-04-01
JP2001509659A (ja) 2001-07-24
PL337971A1 (en) 2000-09-11
KR20010021720A (ko) 2001-03-15
JP4082649B2 (ja) 2008-04-30
AU8364298A (en) 1999-02-08
EP0995188B1 (en) 2007-04-25
DE69837663D1 (de) 2007-06-06
MY120049A (en) 2005-08-30
EE200000008A (et) 2000-08-15
BR9810695A (pt) 2000-09-05

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