ITPR20020064A1 - Equalizzatore, o phase plug, per trasduttori elettroacustici. - Google Patents

Equalizzatore, o phase plug, per trasduttori elettroacustici.

Info

Publication number: ITPR20020064A1
Authority: IT; Italy
Prior art keywords: equalizer; phase plug; electroacoustic transducers; electroacoustic; transducers
Prior art date: 2002-10-31

Application number

IT000064A

Other languages

English (en)

Inventor

Andrea Manzini

Stefano Prati

Umberto Storchi

Original Assignee

Aeb Srl

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.)

2002-10-31

Filing date

2002-10-31

Publication date

2004-05-01

2002-10-31 Application filed by Aeb Srl filed Critical Aeb Srl

2002-10-31 Priority to IT000064A priority Critical patent/ITPR20020064A1/it

2003-04-22 Priority to PCT/IT2003/000252 priority patent/WO2004040942A1/en

2003-04-22 Priority to CN03801891.8A priority patent/CN1613272A/zh

2003-04-22 Priority to EP03723076A priority patent/EP1557070A1/en

2003-04-22 Priority to US10/499,658 priority patent/US20050105753A1/en

2003-04-22 Priority to AU2003230219A priority patent/AU2003230219A1/en

2004-05-01 Publication of ITPR20020064A1 publication Critical patent/ITPR20020064A1/it

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
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

IT000064A 2002-10-31 2002-10-31 Equalizzatore, o phase plug, per trasduttori elettroacustici. ITPR20020064A1 (it)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
IT000064A ITPR20020064A1 (it)	2002-10-31	2002-10-31	Equalizzatore, o phase plug, per trasduttori elettroacustici.
PCT/IT2003/000252 WO2004040942A1 (en)	2002-10-31	2003-04-22	Equaliser, or phase plug, for electro-acoustic transducers
CN03801891.8A CN1613272A (zh)	2002-10-31	2003-04-22	适用于电声换能器的均衡器或者相位塞
EP03723076A EP1557070A1 (en)	2002-10-31	2003-04-22	Equaliser, or phase plug, for electro-acoustic transducers
US10/499,658 US20050105753A1 (en)	2002-10-31	2003-04-22	Equaliser, or phase plug, for electro-acoustic transducers
AU2003230219A AU2003230219A1 (en)	2002-10-31	2003-04-22	Equaliser, or phase plug, for electro-acoustic transducers

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT000064A ITPR20020064A1 (it)	2002-10-31	2002-10-31	Equalizzatore, o phase plug, per trasduttori elettroacustici.

Publications (1)

Publication Number	Publication Date
ITPR20020064A1 true ITPR20020064A1 (it)	2004-05-01

Family

ID=32211411

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT000064A ITPR20020064A1 (it)	2002-10-31	2002-10-31	Equalizzatore, o phase plug, per trasduttori elettroacustici.

Country Status (6)

Country	Link
US (1)	US20050105753A1 (it)
EP (1)	EP1557070A1 (it)
CN (1)	CN1613272A (it)
AU (1)	AU2003230219A1 (it)
IT (1)	ITPR20020064A1 (it)
WO (1)	WO2004040942A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8036408B2 (en) *	2005-12-22	2011-10-11	Harman International Industries, Incorporated	Phasing plug for a compression driver
GB2437126B (en) *	2006-04-13	2011-02-09	Gp Acoustics	Phase plug
GB2437125B (en) *	2006-04-13	2011-02-09	Gp Acoustics	Phase plug for compression driver
KR101192910B1 (ko)	2008-08-14	2012-10-18	하만인터내셔날인더스트리스인코포레이티드	직접 방사형 라우드스피커용 패이즈 플러그 및 음향 렌즈
GB2511322B (en)	2013-02-27	2019-09-04	Gp Acoustics Uk Ltd	Acoustic phase plug
US11229927B2 (en)	2015-10-21	2022-01-25	Agency For Science, Technology And Research	Ultrasound transducer and method of forming ihe same
US20180063635A1 (en)	2016-09-01	2018-03-01	Audeze, Llc	Non-axisymmetric and non-horn phase plugs
US10129637B2 (en) *	2017-02-15	2018-11-13	Elettromedia Srl	Phase plug for compression driver having improved assembly
CN113710571A (zh) *	2019-04-23	2021-11-26	Rmu工程有限责任公司	自行车和相应的传动系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2037187A (en) *	1933-03-28	1936-04-14	Bell Telephone Labor Inc	Sound translating device
US2907837A (en) *	1956-09-18	1959-10-06	Brami Joseph	Sound reproducing system
US4050541A (en)	1976-04-21	1977-09-27	Altec Corporation	Acoustical transformer for horn-type loudspeaker
US4256930A (en) *	1978-02-22	1981-03-17	Tannoy Products Limited	Loudspeaker having improved magnetic assembly
US5351220A (en) *	1992-06-25	1994-09-27	Online S.N.C. Di Noselli G. & C.	Moving-coil electrodynamic electroacoustical transducer
DE69431177T2 (de) *	1993-09-22	2003-05-08	Sony Corp., Tokio/Tokyo	Hornlautsprecher-System
JP3140895B2 (ja) *	1993-10-08	2001-03-05	パイオニア株式会社	スピーカ装置
US5757942A (en) *	1995-11-13	1998-05-26	Sony Corporation	Speaker unit with an improved acoustic equalizer
US5878148A (en) *	1996-02-29	1999-03-02	Alexandrov; Svetlomir	Compression driver
US6064745A (en) *	1997-09-26	2000-05-16	Peavey Electronics Corporation	Compression driver phase plug
US6026928A (en) *	1999-04-06	2000-02-22	Maharaj; Ashok A.	Apparatus and method for reduced distortion loudspeakers
US6516076B1 (en) *	2000-07-12	2003-02-04	Atlas Sound, L.P.	Modular horn loudspeaker
US7072481B2 (en) *	2000-07-31	2006-07-04	Harman International Industries, Inc.	Two-stage phasing plug system in a compression driver
EP1330936B1 (en) *	2000-09-22	2009-11-11	Robert Michael Grunberg	Direct coupling of waveguide to compression driver having matching slot shaped throats
US6996247B2 (en) *	2002-11-05	2006-02-07	Step Technologies, Inc.	Push-push multiple magnetic air gap transducer

2002
- 2002-10-31 IT IT000064A patent/ITPR20020064A1/it unknown
2003
- 2003-04-22 WO PCT/IT2003/000252 patent/WO2004040942A1/en not_active Ceased
- 2003-04-22 EP EP03723076A patent/EP1557070A1/en not_active Withdrawn
- 2003-04-22 US US10/499,658 patent/US20050105753A1/en not_active Abandoned
- 2003-04-22 CN CN03801891.8A patent/CN1613272A/zh active Pending
- 2003-04-22 AU AU2003230219A patent/AU2003230219A1/en not_active Abandoned

Also Published As

Publication number	Publication date
WO2004040942A1 (en)	2004-05-13
CN1613272A (zh)	2005-05-04
AU2003230219A1 (en)	2004-05-25
EP1557070A1 (en)	2005-07-27
US20050105753A1 (en)	2005-05-19

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AU2003230219A1 (en)	2004-05-25	Equaliser, or phase plug, for electro-acoustic transducers
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