CN101884225B - 具有期望的方向图的直接数字扬声器及其控制方法 - Google Patents

具有期望的方向图的直接数字扬声器及其控制方法 Download PDF

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Publication number
CN101884225B
CN101884225B CN2007800538559A CN200780053855A CN101884225B CN 101884225 B CN101884225 B CN 101884225B CN 2007800538559 A CN2007800538559 A CN 2007800538559A CN 200780053855 A CN200780053855 A CN 200780053855A CN 101884225 B CN101884225 B CN 101884225B
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China
Prior art keywords
array
pressure generating
elements
generating element
latch
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Chinese (zh)
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CN101884225A (zh
Inventor
尤沃·科恩
莎伊·卡普兰
丹尼尔·勒温
亚历克斯·索罗米恩
彦·乌尔
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Audio Pixels Ltd
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Audio Pixels Ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B81—MICROSTRUCTURAL TECHNOLOGY
    • B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0018—Structures acting upon the moving or flexible element for transforming energy into mechanical movement or vice versa, i.e. actuators, sensors, generators
    • B81B3/0021—Transducers for transforming electrical into mechanical energy or vice versa
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N13/00—Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/18—Machines moving with multiple degrees of freedom
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Power Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Analytical Chemistry (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Micromachines (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Control Of Stepping Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Electromagnets (AREA)
  • Control Of Fluid Pressure (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
CN2007800538559A 2006-05-22 2007-05-21 具有期望的方向图的直接数字扬声器及其控制方法 Active CN101884225B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80212606P 2006-05-22 2006-05-22
US90745007P 2007-04-02 2007-04-02
US92420307P 2007-05-03 2007-05-03
PCT/IL2007/000618 WO2007135678A2 (en) 2006-05-22 2007-05-21 Direct digital speaker apparatus having a desired directivity pattern

Publications (2)

Publication Number Publication Date
CN101884225A CN101884225A (zh) 2010-11-10
CN101884225B true CN101884225B (zh) 2013-12-04

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CN2007800538559A Active CN101884225B (zh) 2006-05-22 2007-05-21 具有期望的方向图的直接数字扬声器及其控制方法

Country Status (11)

Country Link
US (3) US8374056B2 (enExample)
EP (2) EP2025196A1 (enExample)
JP (2) JP5335774B2 (enExample)
KR (2) KR101363127B1 (enExample)
CN (1) CN101884225B (enExample)
AT (1) ATE553603T1 (enExample)
AU (2) AU2007252849B2 (enExample)
ES (1) ES2388392T3 (enExample)
MY (1) MY149956A (enExample)
TW (2) TW200744944A (enExample)
WO (4) WO2007135681A1 (enExample)

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Also Published As

Publication number Publication date
KR20100049507A (ko) 2010-05-12
KR101343143B1 (ko) 2013-12-19
WO2007135678B1 (en) 2008-02-28
WO2007135681A1 (en) 2007-11-29
EP2158787B1 (en) 2012-04-11
WO2007135682A3 (en) 2008-04-03
CN101884225A (zh) 2010-11-10
KR20090082310A (ko) 2009-07-30
US20100166242A1 (en) 2010-07-01
EP2025196A1 (en) 2009-02-18
WO2007135681B1 (en) 2008-01-24
WO2007135680A1 (en) 2007-11-29
AU2007252849B2 (en) 2011-08-25
US8374056B2 (en) 2013-02-12
ATE553603T1 (de) 2012-04-15
US20130148827A1 (en) 2013-06-13
TWI468024B (zh) 2015-01-01
JP2010528521A (ja) 2010-08-19
WO2007135678A2 (en) 2007-11-29
ES2388392T3 (es) 2012-10-15
JP5180192B2 (ja) 2013-04-10
US20100002900A1 (en) 2010-01-07
AU2007252849A1 (en) 2007-11-29
EP2158787A2 (en) 2010-03-03
WO2007135678A3 (en) 2008-01-17
US8085964B2 (en) 2011-12-27
WO2007135680B1 (en) 2008-01-24
JP5335774B2 (ja) 2013-11-06
TW200744944A (en) 2007-12-16
TW200746866A (en) 2007-12-16
JP2009538222A (ja) 2009-11-05
KR101363127B1 (ko) 2014-02-13
WO2007135682B1 (en) 2008-05-29
WO2007135682A2 (en) 2007-11-29
MY149956A (en) 2013-11-15
AU2007252847A1 (en) 2007-11-29

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