FI20030364A - Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning - Google Patents

Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning Download PDF

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Publication number
FI20030364A
FI20030364A FI20030364A FI20030364A FI20030364A FI 20030364 A FI20030364 A FI 20030364A FI 20030364 A FI20030364 A FI 20030364A FI 20030364 A FI20030364 A FI 20030364A FI 20030364 A FI20030364 A FI 20030364A
Authority
FI
Finland
Prior art keywords
motion
measuring
speaker unit
speakers provided
measurement
Prior art date
Application number
FI20030364A
Other languages
English (en)
Finnish (fi)
Other versions
FI20030364A0 (sv
FI118030B (sv
Inventor
Pasi Veli Matias Nuutinmaeki
Original Assignee
Pasi Veli Matias Nuutinmaeki
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 Pasi Veli Matias Nuutinmaeki filed Critical Pasi Veli Matias Nuutinmaeki
Priority to FI20030364A priority Critical patent/FI118030B/sv
Publication of FI20030364A0 publication Critical patent/FI20030364A0/sv
Priority to EP04719481A priority patent/EP1606971A1/en
Priority to PCT/FI2004/050027 priority patent/WO2004082330A1/en
Publication of FI20030364A publication Critical patent/FI20030364A/sv
Application granted granted Critical
Publication of FI118030B publication Critical patent/FI118030B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
    • G01D5/2412—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying overlap
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FI20030364A 2003-03-12 2003-03-12 Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning FI118030B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20030364A FI118030B (sv) 2003-03-12 2003-03-12 Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning
EP04719481A EP1606971A1 (en) 2003-03-12 2004-03-11 Loudspeaker equipped with measurement of the movement of the loudspeaker unit and a method for measuring the movement of the loudspeaker unit in a loudspeaker
PCT/FI2004/050027 WO2004082330A1 (en) 2003-03-12 2004-03-11 Loudspeaker equipped with measurement of the movement of the loudspeaker unit and a method for measuring the movement of the loudspeaker unit in a loudspeaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030364A FI118030B (sv) 2003-03-12 2003-03-12 Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning
FI20030364 2003-03-12

Publications (3)

Publication Number Publication Date
FI20030364A0 FI20030364A0 (sv) 2003-03-12
FI20030364A true FI20030364A (sv) 2004-09-13
FI118030B FI118030B (sv) 2007-05-31

Family

ID=8565792

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030364A FI118030B (sv) 2003-03-12 2003-03-12 Förfarande för mätning av rörelsen av en högtalarenhet och högtalare som försetts med en rörelsemätning

Country Status (3)

Country Link
EP (1) EP1606971A1 (sv)
FI (1) FI118030B (sv)
WO (1) WO2004082330A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2081403B1 (en) 2008-01-17 2014-08-13 VLSI Solution Oy Method and device for detecting a displacement and movement of a sound producing unit of a woofer
US9241227B2 (en) 2011-01-06 2016-01-19 Bose Corporation Transducer with integrated sensor
US8705754B2 (en) * 2011-03-30 2014-04-22 Bose Corporation Measuring transducer displacement
CN103517189B (zh) * 2012-06-29 2017-08-11 华为终端有限公司 一种扬声器及终端
US9681228B2 (en) 2014-09-30 2017-06-13 Apple Inc. Capacitive position sensing for transducers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245417A1 (de) * 1982-12-08 1984-07-19 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Elektromagnetischer wandler
US4573189A (en) * 1983-10-19 1986-02-25 Velodyne Acoustics, Inc. Loudspeaker with high frequency motional feedback
US4531025A (en) * 1984-03-19 1985-07-23 Intersonics Incorporated Loudspeaker with commutated coil drive
SE452238B (sv) * 1985-05-15 1987-11-16 Bo Hakansson Anordning for metning av frekvenskarakteristiken hos en horapparat
US5493620A (en) * 1993-12-20 1996-02-20 Pulfrey; Robert E. High fidelity sound reproducing system
FI116873B (sv) * 1996-02-26 2006-03-15 Panphonics Oy Akustiskt element och förfarande för behandling av ljud
US20020159606A1 (en) * 2001-04-30 2002-10-31 Maximilian Hobelsberger Electrodynamic transducer with acceleration control
CA2408045A1 (en) * 2001-10-16 2003-04-16 Audio Products International Corp. Loudspeaker with large displacement motional feedback

Also Published As

Publication number Publication date
FI20030364A0 (sv) 2003-03-12
WO2004082330A1 (en) 2004-09-23
FI118030B (sv) 2007-05-31
EP1606971A1 (en) 2005-12-21

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