ATE328455T1 - Ultraschallbasiertes parametrisches lautsprechersystem - Google Patents

Ultraschallbasiertes parametrisches lautsprechersystem

Info

Publication number: ATE328455T1
Authority: AT; Austria
Prior art keywords: speaker system; modulator; parametric speaker; based parametric; ultrasonic based
Prior art date: 2001-04-07

Application number

AT02007545T

Other languages

English (en)

Inventor

Guido Kolano

Klaus Dr Linhard

Original Assignee

Daimler Chrysler Ag

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.)

2001-04-07

Filing date

2002-04-03

Publication date

2006-06-15

2001-04-07 Priority claimed from DE10117529A external-priority patent/DE10117529B4/de

2002-04-03 Application filed by Daimler Chrysler Ag filed Critical Daimler Chrysler Ag

2006-06-15 Application granted granted Critical

2006-06-15 Publication of ATE328455T1 publication Critical patent/ATE328455T1/de

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Circuit For Audible Band Transducer (AREA)
Transducers For Ultrasonic Waves (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

AT02007545T 2001-04-07 2002-04-03 Ultraschallbasiertes parametrisches lautsprechersystem ATE328455T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE10117529A DE10117529B4 (de)	2001-04-07	2001-04-07	Ultraschallbasiertes parametrisches Lautsprechersystem

Publications (1)

Publication Number	Publication Date
ATE328455T1 true ATE328455T1 (de)	2006-06-15

Family

ID=7680859

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT02007545T ATE328455T1 (de)	2001-04-07	2002-04-03	Ultraschallbasiertes parametrisches lautsprechersystem

Country Status (5)

Country	Link
US (1)	US7181025B2 (de)
EP (1)	EP1248491B1 (de)
JP (1)	JP2002315088A (de)
AT (1)	ATE328455T1 (de)
DE (2)	DE10117528B4 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10117529B4 (de) *	2001-04-07	2005-04-28	Daimler Chrysler Ag	Ultraschallbasiertes parametrisches Lautsprechersystem
US7564981B2 (en) *	2003-10-23	2009-07-21	American Technology Corporation	Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
JP4371268B2 (ja)	2003-12-18	2009-11-25	シチズンホールディングス株式会社	指向性スピーカーの駆動方法および指向性スピーカー
US20070165892A1 (en) *	2004-06-28	2007-07-19	Koninklijke Philips Electronics, N.V.	Wireless audio
JP4124182B2 (ja) *	2004-08-27	2008-07-23	ヤマハ株式会社	アレイスピーカ装置
CN1964219B (zh) *	2005-11-11	2016-01-20	上海贝尔股份有限公司	实现中继的方法和设备
JP4783921B2 (ja) *	2006-03-13	2011-09-28	三菱電機エンジニアリング株式会社	超指向性スピーカー
DE102009010055A1 (de)	2008-03-11	2009-10-01	Merkel, Tobias, Dr.	Virtuelles Mikrofon mit fremdmoduliertem Ultraschall
US8976980B2 (en)	2011-03-24	2015-03-10	Texas Instruments Incorporated	Modulation of audio signals in a parametric speaker
JP5817182B2 (ja) *	2011-03-31	2015-11-18	日本電気株式会社	スピーカ装置及び電子機器
WO2016032400A1 (en)	2014-08-28	2016-03-03	Nanyang Technological University	An amplifier circuit for a parametric transducer and a related audio device
US9780753B2 (en) *	2014-11-05	2017-10-03	Turtle Beach Corporation	Adaptive equalization for an ultrasonic audio system
CN107864020B (zh) *	2017-11-07	2021-02-19	哈尔滨工程大学	水下小目标单分量声散射回波的变换域提取方法
WO2019212077A1 (ko) *	2018-05-04	2019-11-07	주식회사 제이디솔루션	안정성이 증가된 초지향성 스피커 회로{ultra directional speaker circuit with enhanced stability}

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1951669A (en) *	1931-07-17	1934-03-20	Ramsey George	Method and apparatus for producing sound
US2371373A (en) *	1943-06-12	1945-03-13	Rca Corp	Balanced frequency modulation system
US3418564A (en) *	1966-04-11	1968-12-24	Varian Associates	Field modulated gyromagnetic resonance spectrometer detecting only the fm carrier resonance component
US4823908A (en) *	1984-08-28	1989-04-25	Matsushita Electric Industrial Co., Ltd.	Directional loudspeaker system
JPH02265400A (ja) *	1989-04-05	1990-10-30	Matsushita Electric Works Ltd	拡声器
DE3929243A1 (de) *	1989-09-02	1991-03-07	Rump Elektronik Tech	Apparat und verfahren zur verkuerzung der ausklingzeit in ultraschall-impuls-sendeeinrichtungen
US5357578A (en) *	1992-11-24	1994-10-18	Canon Kabushiki Kaisha	Acoustic output device, and electronic apparatus using the acoustic output device
US5917776A (en) *	1996-12-31	1999-06-29	Honeywell Inc.	Means for reducing minimum sensing distance of an ultrasonic proximity sensor
US6011855A (en) *	1997-03-17	2000-01-04	American Technology Corporation	Piezoelectric film sonic emitter
US6044160A (en) *	1998-01-13	2000-03-28	American Technology Corporation	Resonant tuned, ultrasonic electrostatic emitter
US6359990B1 (en) *	1997-04-30	2002-03-19	American Technology Corporation	Parametric ring emitter
JP4221792B2 (ja) *	1998-01-09	2009-02-12	ソニー株式会社	スピーカ装置及びオーディオ信号送信装置
US6850623B1 (en) *	1999-10-29	2005-02-01	American Technology Corporation	Parametric loudspeaker with improved phase characteristics
DE50007789D1 (de) *	1999-04-30	2004-10-21	Sennheiser Electronic	Verfahren zur wiedergabe von audioschall mit ultraschall-lautsprechern
DE19931386C2 (de) *	1999-07-07	2003-10-09	Innomar Technologie Gmbh	Anordnung zum Empfang von Signalen bei parametrischer Sendung zur Echolotung des Bodens, von Sedimentschichten und von Objekten am und im Boden sowie zur Unterwassernachrichtenübertragung

2001
- 2001-04-07 DE DE10117528A patent/DE10117528B4/de not_active Expired - Fee Related
2002
- 2002-04-03 EP EP02007545A patent/EP1248491B1/de not_active Expired - Lifetime
- 2002-04-03 AT AT02007545T patent/ATE328455T1/de not_active IP Right Cessation
- 2002-04-03 DE DE50206958T patent/DE50206958D1/de not_active Expired - Lifetime
- 2002-04-08 US US10/118,630 patent/US7181025B2/en not_active Expired - Fee Related
- 2002-04-08 JP JP2002105718A patent/JP2002315088A/ja active Pending

Also Published As

Publication number	Publication date
DE10117528A1 (de)	2003-02-06
DE50206958D1 (de)	2006-07-06
EP1248491B1 (de)	2006-05-31
DE10117528B4 (de)	2004-04-01
US20020172375A1 (en)	2002-11-21
US7181025B2 (en)	2007-02-20
EP1248491A3 (de)	2004-01-07
JP2002315088A (ja)	2002-10-25
EP1248491A2 (de)	2002-10-09

Legal Events

Date	Code	Title	Description
2008-07-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
DE50206958D1 (de)	2006-07-06	Ultraschallbasiertes parametrisches Lautsprechersystem
ATE491266T1 (de)	2010-12-15	Tragbares abspielgerät mit hervorhebung der bassfrequenz
ATE174735T1 (de)	1999-01-15	Analoges spreizband-drahtloslautsprechersystem
EP0906790A4 (de)	2001-10-17	Schwungungserreger für signalierung und ihrer anwendung in einem tragbaren kommunikationsgerät
ES2115992T3 (es)	1998-07-01	Dispositivo para suprimir los ronquidos.
ATE179564T1 (de)	1999-05-15	Musikinstrumente mit lautsprechern
EA199700164A1 (ru)	1998-02-26	Устройство для аускультации
GB2384413A (en)	2003-07-23	Sound reproduction systems
JPH02265400A (ja)	1990-10-30	拡声器
WO2004047482A3 (en)	2004-08-19	A high intensity directional electroacoustic sound generating system for communications targeting
WO2001072084A3 (en)	2002-10-17	Dual mode audio device
DE10117529B4 (de)	2005-04-28	Ultraschallbasiertes parametrisches Lautsprechersystem
JPS62296698A (ja)	1987-12-23	パラメトリツクスピ−カ
SE9900609D0 (sv)	1999-02-18	Sound directing device
EE200000570A (et)	2002-02-15	Telefon vahenditega madalas sagedusalas sageduskarakteristiku tõstmiseks
ATE541411T1 (de)	2012-01-15	Tragbares lautsprechergehäuse
KR890004583A (ko)	1989-04-22	저음스피커박스
ES2176997T3 (es)	2002-12-01	Dispositivo de control de la emision de corrientes portadoras en una red de baja tension.
DE60232198D1 (de)	2009-06-10	Frequenzmodulator unter verwendung geschalteter kapazitäten
JP3036212U (ja)	1997-04-15	アルファ波発生装置
ATE388526T1 (de)	2008-03-15	Reduktion von radiofrequentem übersprechen
KR950022899A (ko)	1995-07-28	음성 및 영상 정보를 각기 다른 케리어 주파수로 송출 가능한 미약형 rf 송신 장치
KR960020596A (ko)	1996-06-17	휴대용 무선 영상가요 반주기
TW200644698A (en)	2006-12-16	Loudspeaker system
KR880010564A (ko)	1988-10-10	Rf 모듈레이터