EE200000008A - Meetod ja seade signaali taseme ja hilistumise mõõtmiseks paljudel sensoritel - Google Patents

Meetod ja seade signaali taseme ja hilistumise mõõtmiseks paljudel sensoritel

Info

Publication number
EE200000008A
EE200000008A EEP200000008A EEP200000008A EE200000008A EE 200000008 A EE200000008 A EE 200000008A EE P200000008 A EEP200000008 A EE P200000008A EE P200000008 A EEP200000008 A EE P200000008A EE 200000008 A EE200000008 A EE 200000008A
Authority
EE
Estonia
Prior art keywords
delay
sensors
signal level
measuring signal
measuring
Prior art date
Application number
EEP200000008A
Other languages
English (en)
Estonian (et)
Inventor
Peter H�ndel Knut
Agne Jerker Rasmusson Jim
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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.)
Filing date
Publication date
Application filed by Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE200000008A publication Critical patent/EE200000008A/xx

Links

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)
EEP200000008A 1997-07-11 1998-07-03 Meetod ja seade signaali taseme ja hilistumise mõõtmiseks paljudel sensoritel EE200000008A (et)

Applications Claiming Priority (2)

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
PCT/SE1998/001319 WO1999003091A1 (en) 1997-07-11 1998-07-03 Methods and apparatus for measuring signal level and delay at multiple sensors

Publications (1)

Publication Number Publication Date
EE200000008A true EE200000008A (et) 2000-08-15

Family

ID=25397124

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000008A EE200000008A (et) 1997-07-11 1998-07-03 Meetod ja seade signaali taseme ja hilistumise mõõtmiseks paljudel sensoritel

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
KR100480404B1 (ko) 2005-04-06
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
BR9810695A (pt) 2000-09-05

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