EP2838083A3 - Akustische Linse und Lautsprechvorrichtung mit einer derartigen Linse - Google Patents

Akustische Linse und Lautsprechvorrichtung mit einer derartigen Linse Download PDF

Info

Publication number: EP2838083A3
Authority: EP; European Patent Office
Prior art keywords: acoustic; lens; diffuser; acoustic lens; refraction
Prior art date: 2013-06-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP14173122.4A

Other languages

English (en)

French (fr)

Other versions

EP2838083A2 (de

Inventor

Angelo Camesasca

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

2013-06-19

Filing date

2014-06-19

Publication date

2015-02-25

2014-06-19 Application filed by Individual filed Critical Individual

2015-02-18 Publication of EP2838083A2 publication Critical patent/EP2838083A2/de

2015-02-25 Publication of EP2838083A3 publication Critical patent/EP2838083A3/de

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Transducers For Ultrasonic Waves (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Percussion Or Vibration Massage (AREA)
Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Diaphragms For Electromechanical Transducers (AREA)

EP14173122.4A 2013-06-19 2014-06-19 Akustische Linse und Lautsprechvorrichtung mit einer derartigen Linse Withdrawn EP2838083A3 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT000147A ITVR20130147A1 (it)	2013-06-19	2013-06-19	Lente acustica

Publications (2)

Publication Number	Publication Date
EP2838083A2 EP2838083A2 (de)	2015-02-18
EP2838083A3 true EP2838083A3 (de)	2015-02-25

Family

ID=48877500

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14173122.4A Withdrawn EP2838083A3 (de)	2013-06-19	2014-06-19	Akustische Linse und Lautsprechvorrichtung mit einer derartigen Linse

Country Status (2)

Country	Link
EP (1)	EP2838083A3 (de)
IT (1)	ITVR20130147A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10602263B2 (en)	2016-02-24	2020-03-24	Dolby Laboratories Licensing Corporation	Planar loudspeaker manifold for improved sound dispersion
CN114566139B (zh) *	2022-02-28	2024-06-14	华中科技大学	一种基于3d打印仿生海豚的声发射装置及其应用

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3735336A (en) *	1971-03-10	1973-05-22	Ampex	Acoustic lens
JPS54181921U (de) *	1978-06-13	1979-12-22
US4753318A (en) *	1983-10-18	1988-06-28	Bridgestone Corporation	Engine noise control device for use in automobiles or the like
JPH08195996A (ja) *	1995-01-13	1996-07-30	Nippon Denki Ido Tsushin Kk	スピーカ装置
JPH1013983A (ja) *	1996-06-26	1998-01-16	Matsushita Electric Ind Co Ltd	音響レンズ装置
US5900593A (en) *	1995-07-31	1999-05-04	Adamson; Alan Brock	Loudspeaker system
EP0717916B1 (de) *	1994-06-08	2002-10-30	Nortel Networks Limited	Persönliches freisprechfunkgerät
US20030188920A1 (en) *	2002-04-05	2003-10-09	Brawley James S.	Internal lens system for loudspeaker waveguides
US20050224282A1 (en) *	2002-04-25	2005-10-13	Postech Foundation	Sound focus speaker of gas-filled sound lens attachment type

2013
- 2013-06-19 IT IT000147A patent/ITVR20130147A1/it unknown
2014
- 2014-06-19 EP EP14173122.4A patent/EP2838083A3/de not_active Withdrawn

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3735336A (en) *	1971-03-10	1973-05-22	Ampex	Acoustic lens
JPS54181921U (de) *	1978-06-13	1979-12-22
US4753318A (en) *	1983-10-18	1988-06-28	Bridgestone Corporation	Engine noise control device for use in automobiles or the like
EP0717916B1 (de) *	1994-06-08	2002-10-30	Nortel Networks Limited	Persönliches freisprechfunkgerät
JPH08195996A (ja) *	1995-01-13	1996-07-30	Nippon Denki Ido Tsushin Kk	スピーカ装置
US5900593A (en) *	1995-07-31	1999-05-04	Adamson; Alan Brock	Loudspeaker system
JPH1013983A (ja) *	1996-06-26	1998-01-16	Matsushita Electric Ind Co Ltd	音響レンズ装置
US20030188920A1 (en) *	2002-04-05	2003-10-09	Brawley James S.	Internal lens system for loudspeaker waveguides
US20050224282A1 (en) *	2002-04-25	2005-10-13	Postech Foundation	Sound focus speaker of gas-filled sound lens attachment type

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GEORGE L AUGSPURGER: "the ACOUSTICAL LENS", ELECTRONICS WORLD, 1 December 1962 (1962-12-01), XP055094225, Retrieved from the Internet <URL:http://www.diyaudio.rs/JBL/JBL%20-%20The%20Acoustical%20Lens%20(1962).pdf> [retrieved on 20131218] *

Also Published As

Publication number	Publication date
EP2838083A2 (de)	2015-02-18
ITVR20130147A1 (it)	2014-12-20

Legal Events

Date	Code	Title	Description
2015-01-23	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2015-02-18	17P	Request for examination filed	Effective date: 20140619
2015-02-18	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2015-02-18	AX	Request for extension of the european patent	Extension state: BA ME
2015-02-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2015-02-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2015-02-25	AX	Request for extension of the european patent	Extension state: BA ME
2015-02-25	RIC1	Information provided on ipc code assigned before grant	Ipc: H04R 1/34 20060101ALI20150120BHEP Ipc: G10K 11/30 20060101AFI20150120BHEP
2016-01-22	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2016-02-24	18D	Application deemed to be withdrawn	Effective date: 20150826

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