KR101363127B1 - 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치 및 그 제어 방법 - Google Patents

원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치 및 그 제어 방법 Download PDF

Info

Publication number
KR101363127B1
KR101363127B1 KR1020097025887A KR20097025887A KR101363127B1 KR 101363127 B1 KR101363127 B1 KR 101363127B1 KR 1020097025887 A KR1020097025887 A KR 1020097025887A KR 20097025887 A KR20097025887 A KR 20097025887A KR 101363127 B1 KR101363127 B1 KR 101363127B1
Authority
KR
South Korea
Prior art keywords
array
elements
pressure
moving
moving element
Prior art date
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.)
Active
Application number
KR1020097025887A
Other languages
English (en)
Korean (ko)
Other versions
KR20100049507A (ko
Inventor
유발 코헨
셰이 카프랜
다니엘 레윈
알렉스 스로민
얀 울
Original Assignee
오디오 픽셀즈 리미티드
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 오디오 픽셀즈 리미티드 filed Critical 오디오 픽셀즈 리미티드
Publication of KR20100049507A publication Critical patent/KR20100049507A/ko
Application granted granted Critical
Publication of KR101363127B1 publication Critical patent/KR101363127B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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)
KR1020097025887A 2006-05-22 2007-05-21 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치 및 그 제어 방법 Active KR101363127B1 (ko)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020137025011A Division KR101411183B1 (ko) 2007-05-21 2007-05-21 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치

Publications (2)

Publication Number Publication Date
KR20100049507A KR20100049507A (ko) 2010-05-12
KR101363127B1 true KR101363127B1 (ko) 2014-02-13

Family

ID=38476118

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020097025887A Active KR101363127B1 (ko) 2006-05-22 2007-05-21 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치 및 그 제어 방법
KR1020087031119A Active KR101343143B1 (ko) 2006-05-22 2007-05-21 압력파 생성 액추에이터 장치 및 액추에이션 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020087031119A Active KR101343143B1 (ko) 2006-05-22 2007-05-21 압력파 생성 액추에이터 장치 및 액추에이션 방법

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873831B1 (ko) * 2017-03-21 2018-08-02 주식회사 넥토마이닝 센서 네트워크와 지향성 스피커를 사용한 피난 유도 시스템 및 방법

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8457338B2 (en) 2006-05-22 2013-06-04 Audio Pixels Ltd. Apparatus and methods for generating pressure waves
WO2007135681A1 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Arrays of current bearing elements useful for generating pressure waves
WO2007135679A2 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Volume and tone control in direct digital speakers
WO2009066290A2 (en) * 2007-11-21 2009-05-28 Audio Pixels Ltd. Digital speaker apparatus
EP2351381B1 (en) * 2008-10-02 2018-02-21 Audio Pixels Ltd. Actuator apparatus with comb-drive component and methods useful for manufacturing and operating same
WO2011111042A1 (en) 2010-03-11 2011-09-15 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
FR2963192B1 (fr) * 2010-07-22 2013-07-19 Commissariat Energie Atomique Générateur d'impulsions de pression de type mems
US8962252B2 (en) 2010-08-31 2015-02-24 Canon U.S. Life Sciences, Inc. Optical system for high resolution thermal melt detection
CN106878891B (zh) 2010-11-26 2020-04-17 音频像素有限公司 控制用于生成声音的装置的方法和用于生成声音的装置
DE102010062555B4 (de) 2010-12-08 2019-05-23 Robert Bosch Gmbh Mikromechanische Membranvorrichtung und entsprechendes Herstellungsverfahren sowie Membrananordnung
US9148712B2 (en) 2010-12-10 2015-09-29 Infineon Technologies Ag Micromechanical digital loudspeaker
DE102011003168A1 (de) 2011-01-26 2012-07-26 Robert Bosch Gmbh Lautsprechersystem
US8897465B2 (en) 2011-06-01 2014-11-25 Robert Bosch Gmbh Class D micro-speaker
US9031266B2 (en) 2011-10-11 2015-05-12 Infineon Technologies Ag Electrostatic loudspeaker with membrane performing out-of-plane displacement
EP2845205A4 (en) * 2012-01-12 2016-05-04 David A Lapoint MAGNETIC ARRANGEMENT
FR2990320B1 (fr) 2012-05-07 2014-06-06 Commissariat Energie Atomique Haut-parleur digital a performance amelioree
DK2856770T3 (en) 2012-05-25 2018-10-22 Audio Pixels Ltd SYSTEM, PROCEDURE AND COMPUTER PROGRAM PRODUCT TO CONTROL A SET OF ACTUATOR ELEMENTS
WO2013175476A1 (en) 2012-05-25 2013-11-28 Audio Pixels Ltd. A system, a method and a computer program product for controlling a group of actuator arrays for producing a physical effect
CN103596106B (zh) * 2012-08-16 2016-09-21 立锜科技股份有限公司 音频信号处理电路及方法
US10160632B2 (en) 2012-08-21 2018-12-25 Robert Bosch Gmbh System and method for forming a buried lower electrode in conjunction with an encapsulated MEMS device
US9183829B2 (en) * 2012-12-21 2015-11-10 Intel Corporation Integrated accoustic phase array
AU2013368870B2 (en) * 2012-12-27 2016-12-08 Audio Pixels Ltd. System and method for testing
FR3010272B1 (fr) 2013-09-04 2017-01-13 Commissariat Energie Atomique Dispositif acoustique digital a puissance sonore augmentee
US9510103B2 (en) 2013-09-09 2016-11-29 Audio Pixels Ltd. Microelectromechanical apparatus for generating a physical effect
WO2015038118A1 (en) * 2013-09-11 2015-03-19 Intel Corporation Clocked all-spin logic circuit
CN104745470B (zh) * 2013-12-30 2017-12-19 苏州瑞派宁科技有限公司 一种多通道离体代谢实时监测装置
DE102014220544A1 (de) * 2014-10-09 2016-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprecherarray
KR102695498B1 (ko) 2015-04-15 2024-08-16 오디오 픽셀즈 리미티드 공간에서 객체의 위치를 검출하는 방법 및 시스템
CN107852555B (zh) 2015-07-22 2020-03-13 音频像素有限公司 Dsr扬声器元件及制造dsr扬声器元件的方法
US10567883B2 (en) 2015-07-22 2020-02-18 Audio Pixels Ltd. Piezo-electric actuators
US11097312B2 (en) * 2015-08-11 2021-08-24 Koninklijke Philips N.V. Capacitive micromachined ultrasonic transducers with increased lifetime
US10966042B2 (en) * 2015-11-25 2021-03-30 The University Of Rochester Method for rendering localized vibrations on panels
WO2017221247A1 (en) * 2016-06-21 2017-12-28 Audio Pixels Ltd. Systems and manufacturing methods for an audio emitter in spectacles
US10430978B2 (en) * 2017-03-02 2019-10-01 Adobe Inc. Editing digital images utilizing a neural network with an in-network rendering layer
WO2018234456A1 (en) 2017-06-21 2018-12-27 Sony Corporation APPARATUS, SYSTEM, METHOD, AND COMPUTER PROGRAM FOR DISTRIBUTING AD MESSAGES
EP3567873B1 (en) * 2018-02-06 2021-08-18 Sonion Nederland B.V. Method for controlling an acoustic valve of a hearing device
US11049528B2 (en) * 2018-10-18 2021-06-29 International Business Machines Corporation Multichannel tape head module having thermoelectric devices for controlling span between transducers
KR102248582B1 (ko) * 2021-02-16 2021-05-06 주식회사 아즈라 편안한 착용 구조를 포함하는 이어팁
TWI795824B (zh) * 2021-06-28 2023-03-11 潘宗和 可自動擴大音效之收音反射器結構裝置
IL299527A (en) 2022-12-26 2024-07-01 Audio Pixels Ltd Electro-Mechanical Device Comprising An Electrically Split Array Of Moving Elements, And Methods Of Controlling Thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094116A (en) * 1996-08-01 2000-07-25 California Institute Of Technology Micro-electromechanical relays
US20020106093A1 (en) * 1998-07-21 2002-08-08 Farad Azima Digital loudspeaker
US6963654B2 (en) * 2001-10-04 2005-11-08 Fps Inc. Diaphragm, flat-type acoustic transducer, and flat-type diaphragm

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1106750A (en) 1965-12-22 1968-03-20 Pressac Ltd A method of and means for making printed circuits and similar laminates
NL6613713A (enExample) 1966-09-29 1968-04-01
JPS51120710A (en) 1975-04-15 1976-10-22 Kawai Musical Instr Mfg Co Ltd Digital speakes system
JPS5936480B2 (ja) 1976-02-10 1984-09-04 ソニー株式会社 スピ−カ装置
US4131363A (en) * 1977-12-05 1978-12-26 International Business Machines Corporation Pellicle cover for projection printing system
US4337379A (en) * 1979-01-16 1982-06-29 Nippon Gakki Seizo Kabushiki Kaisha Planar electrodynamic electroacoustic transducer
JPS57185790A (en) 1981-05-12 1982-11-16 Sony Corp Digital speaker
US4544805A (en) * 1981-09-25 1985-10-01 Tadashi Sawafuji Plane speaker
EP0113732A4 (en) 1982-07-19 1986-02-13 Anthony Bernard Clarke ELECTROMAGNETIC-ACOUSTIC TRANSDUCER.
US4515997A (en) * 1982-09-23 1985-05-07 Stinger Jr Walter E Direct digital loudspeaker
JPH03215277A (ja) * 1990-01-18 1991-09-20 Nippon Kenko Zoushin Kenkyukai:Kk 磁気シートの製法
US5350618A (en) 1991-03-01 1994-09-27 Teijin Seiki Co., Ltd. Magnetic medium comprising a substrate having pits and grooves of specific shapes and depths
JP3053026B2 (ja) * 1991-07-02 2000-06-19 パイオニア株式会社 スピーカ装置
JP3097407B2 (ja) * 1993-08-18 2000-10-10 松下電器産業株式会社 音響再生装置の音量、音質調整回路
US6287517B1 (en) 1993-11-01 2001-09-11 Nanogen, Inc. Laminated assembly for active bioelectronic devices
US5517570A (en) 1993-12-14 1996-05-14 Taylor Group Of Companies, Inc. Sound reproducing array processor system
GB9506725D0 (en) * 1995-03-31 1995-05-24 Hooley Anthony Improvements in or relating to loudspeakers
JPH09266599A (ja) 1996-03-27 1997-10-07 Takeshi Shiraiwa デジタルスピーカ
US6289106B1 (en) 1997-08-08 2001-09-11 Hong Long Industrial Co., Ltd. Cap and center pole apparatus and method of coupling
US5953200A (en) 1998-02-05 1999-09-14 Vlsi Technology, Inc. Multiple pole electrostatic chuck with self healing mechanism for wafer clamping
JP3377173B2 (ja) 1998-02-16 2003-02-17 松下電器産業株式会社 ディジタル式電気音響変換器
DE69939976D1 (de) 1999-05-28 2009-01-08 Texas Instruments Inc Digitaler Lautsprecher
TW556357B (en) 1999-06-28 2003-10-01 Semiconductor Energy Lab Method of manufacturing an electro-optical device
US6795561B1 (en) * 1999-07-08 2004-09-21 New Transducers Limited Panel drive
JP5306565B2 (ja) * 1999-09-29 2013-10-02 ヤマハ株式会社 音響指向方法および装置
US20040009614A1 (en) 2000-05-12 2004-01-15 Ahn Chong H Magnetic bead-based arrays
US6403995B2 (en) 2000-05-26 2002-06-11 Texas Instruments Incorporated Semiconductor digital loudspeaker array
EP1209949A1 (en) * 2000-11-22 2002-05-29 Technische Universiteit Delft Wave Field Synthesys Sound reproduction system using a Distributed Mode Panel
US20020073856A1 (en) * 2000-12-15 2002-06-20 Davis Donald J. Offset printing of gasket seals for wafer scale processing of microdisplays
EP1402755A2 (en) * 2001-03-27 2004-03-31 1... Limited Method and apparatus to create a sound field
GB0200291D0 (en) 2002-01-08 2002-02-20 1 Ltd Digital loudspeaker system
JP2002359347A (ja) * 2001-03-28 2002-12-13 Seiko Epson Corp 半導体装置及びその製造方法、回路基板並びに電子機器
GB0124352D0 (en) * 2001-10-11 2001-11-28 1 Ltd Signal processing device for acoustic transducer array
GB0200149D0 (en) * 2002-01-04 2002-02-20 1 Ltd Surround-sound system
JP3866978B2 (ja) * 2002-01-08 2007-01-10 富士通株式会社 半導体装置の製造方法
US7095861B2 (en) * 2002-02-22 2006-08-22 Lucent Technologies Inc. Audible signaling device with determinate directional radiation
GB2393601B (en) 2002-07-19 2005-09-21 1 Ltd Digital loudspeaker system
FI113934B (fi) 2002-10-24 2004-06-30 Nokia Corp Vesitiivis kaiutintoimintoon sovelias akustiikkarakenne
KR100945751B1 (ko) * 2002-12-24 2010-03-08 삼성전자주식회사 컴퓨터장치
DE10303030A1 (de) * 2003-01-25 2004-08-05 Norman Gerkinsmeyer Treiber
US7016186B2 (en) 2003-03-28 2006-03-21 Matsushita Electric Industrial Co., Ltd. Portable information processing apparatus
US7229746B2 (en) 2003-04-02 2007-06-12 Delphi Technologies, Inc. Printed high strength permanent magnet targets for magnetic sensors
US7706558B2 (en) * 2003-05-14 2010-04-27 Domonic Sack Automated system for adjusting line array speakers
JP2005027163A (ja) * 2003-07-04 2005-01-27 Pioneer Electronic Corp 音声データ処理装置、音声データ処理方法、そのプログラム、および、そのプログラムを記録した記録媒体
TWI260104B (en) 2003-07-25 2006-08-11 Sony Corp MEMS type resonator, method for manufacturing the same, and communication device
GB0321676D0 (en) * 2003-09-16 2003-10-15 1 Ltd Digital loudspeaker
JP4455854B2 (ja) 2003-09-19 2010-04-21 株式会社リコー 薄膜形成方法、薄膜形成装置
US7760891B2 (en) * 2004-03-16 2010-07-20 Xerox Corporation Focused hypersonic communication
US7293462B2 (en) 2005-01-04 2007-11-13 General Electric Company Isolation of short-circuited sensor cells for high-reliability operation of sensor array
JP2006319535A (ja) * 2005-05-11 2006-11-24 Yamaha Corp 音響再生装置
WO2007135681A1 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Arrays of current bearing elements useful for generating pressure waves
WO2007135679A2 (en) 2006-05-22 2007-11-29 Audio Pixels Ltd. Volume and tone control in direct digital speakers
WO2009066290A2 (en) 2007-11-21 2009-05-28 Audio Pixels Ltd. Digital speaker apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094116A (en) * 1996-08-01 2000-07-25 California Institute Of Technology Micro-electromechanical relays
US20020106093A1 (en) * 1998-07-21 2002-08-08 Farad Azima Digital loudspeaker
US6963654B2 (en) * 2001-10-04 2005-11-08 Fps Inc. Diaphragm, flat-type acoustic transducer, and flat-type diaphragm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873831B1 (ko) * 2017-03-21 2018-08-02 주식회사 넥토마이닝 센서 네트워크와 지향성 스피커를 사용한 피난 유도 시스템 및 방법

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
CN101884225B (zh) 2013-12-04
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
WO2007135682B1 (en) 2008-05-29
WO2007135682A2 (en) 2007-11-29
MY149956A (en) 2013-11-15
AU2007252847A1 (en) 2007-11-29

Similar Documents

Publication Publication Date Title
KR101363127B1 (ko) 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치 및 그 제어 방법
KR101359059B1 (ko) 다이렉트 디지털 스피커의 음량 및 음색 제어 장치 및 그 제어 방법
EP2846557B1 (en) Improved speaker apparatus
US8457338B2 (en) Apparatus and methods for generating pressure waves
CN101558660B (zh) 用于产生压强波的装置和方法
KR101411183B1 (ko) 원하는 지향성 패턴을 가지는 다이렉트 디지털 스피커 장치
IL202214A (en) A direct digital speaker system with a desirable guideline
HK1148416B (en) Improved speaker apparatus and methods useful in conjunction therewith

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20091211

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20120521

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20130621

Patent event code: PE09021S01D

A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20130923

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20131108

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20140207

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20140207

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
FPAY Annual fee payment

Payment date: 20170201

Year of fee payment: 4

PR1001 Payment of annual fee

Payment date: 20170201

Start annual number: 4

End annual number: 4

FPAY Annual fee payment

Payment date: 20180201

Year of fee payment: 5

PR1001 Payment of annual fee

Payment date: 20180201

Start annual number: 5

End annual number: 5

FPAY Annual fee payment

Payment date: 20190201

Year of fee payment: 6

PR1001 Payment of annual fee

Payment date: 20190201

Start annual number: 6

End annual number: 6

FPAY Annual fee payment

Payment date: 20200115

Year of fee payment: 7

PR1001 Payment of annual fee

Payment date: 20200115

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20210115

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20220207

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20240129

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20250121

Start annual number: 12

End annual number: 12