EP0459682A3 - Speaker cabinet with energy absorbent means - Google Patents

Speaker cabinet with energy absorbent means Download PDF

Info

Publication number: EP0459682A3
Authority: EP; European Patent Office
Prior art keywords: speaker cabinet; absorbent means; energy absorbent; energy; speaker
Prior art date: 1990-05-31
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP19910304568

Other versions

EP0459682A2 (en

Inventor

Joe Speight Akroyd

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.)

1990-05-31

Filing date

1991-05-21

Publication date

1992-05-06

1991-05-21 Application filed by Individual filed Critical Individual

1991-12-04 Publication of EP0459682A2 publication Critical patent/EP0459682A2/en

1992-05-06 Publication of EP0459682A3 publication Critical patent/EP0459682A3/en

Status Withdrawn legal-status Critical Current

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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
- H04R1/2896—Mountings or supports for transducers for loudspeaker transducers

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Details Of Audible-Bandwidth Transducers (AREA)

EP19910304568 1990-05-31 1991-05-21 Speaker cabinet with energy absorbent means Withdrawn EP0459682A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB909012131A GB9012131D0 (en)	1990-05-31	1990-05-31	Improvements in or relating to speaker cabinets
GB9012131		1990-05-31

Publications (2)

Publication Number	Publication Date
EP0459682A2 EP0459682A2 (en)	1991-12-04
EP0459682A3 true EP0459682A3 (en)	1992-05-06

Family

ID=10676830

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19910304568 Withdrawn EP0459682A3 (en)	1990-05-31	1991-05-21	Speaker cabinet with energy absorbent means

Country Status (2)

Country	Link
EP (1)	EP0459682A3 (en)
GB (1)	GB9012131D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2143565A1 (en) *	1994-02-28	1995-08-29	Karl Von Kries	Rotomolded speaker enclosure
FR2746246B1 (en) *	1996-03-14	2002-11-29		ACOUSTIC ENCLOSURE FACILITATING THE EXHAUST OF SOUND PARASITES
DE10149518A1 (en) *	2001-10-08	2003-04-10	Kolja Willimzik	Electroacoustic device for conversion of electrical signals into acoustic signals comprises electrodynamic converter(s) whose drive is coupled to an element with a mass equal to at least 100 times the converter mass
ES2373890B1 (en) *	2008-08-07	2012-10-03	Ángel Julio Moretón Cesteros	INTERIOR ACOUSTIC DISPLAY FOR DYNAMIC SPEAKERS.
GB2488758A (en)	2011-03-02	2012-09-12	Gp Acoustics Uk Ltd	Bass reflex loudspeaker has acoustic leakage in walls of port duct
GB2491108B (en)	2011-05-18	2014-06-04	Gp Acoustics Uk Ltd	Loudspeaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2001827A (en) *	1977-07-25	1979-02-07	Sony Corp	Dynamic loudspeakers
EP0011408A1 (en) *	1978-11-16	1980-05-28	General Electric Company	Liquid crystal display devices
FR2548854A1 (en) *	1983-07-07	1985-01-11	Przykorski Karol	Acoustic enclosure
AU542761B3 (en) *	1985-01-16	1985-05-02	Radovan Roy Zunic	Inner bass reflex
US4924964A (en) *	1989-07-24	1990-05-15	Olsen Michael P	Loudspeaker enclosure

1990
- 1990-05-31 GB GB909012131A patent/GB9012131D0/en active Pending
1991
- 1991-05-21 EP EP19910304568 patent/EP0459682A3/en not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2001827A (en) *	1977-07-25	1979-02-07	Sony Corp	Dynamic loudspeakers
EP0011408A1 (en) *	1978-11-16	1980-05-28	General Electric Company	Liquid crystal display devices
FR2548854A1 (en) *	1983-07-07	1985-01-11	Przykorski Karol	Acoustic enclosure
AU542761B3 (en) *	1985-01-16	1985-05-02	Radovan Roy Zunic	Inner bass reflex
US4924964A (en) *	1989-07-24	1990-05-15	Olsen Michael P	Loudspeaker enclosure

Also Published As

Publication number	Publication date
GB9012131D0 (en)	1990-07-18
EP0459682A2 (en)	1991-12-04

Publication	Publication Date	Title
GB2248397B (en)	1994-07-27	Absorbent article
GB2244910B (en)	1995-01-11	Absorbent article
HU911757D0 (en)	1991-12-30	Energy generating device
EP0704197A3 (en)	1996-06-05	Absorbent article
AU112206S (en)	1991-09-24	Drawer
GB2250921B (en)	1995-06-21	Diaper
EP0473095A3 (en)	1993-02-24	Hybrid sound attenuator
GB9019400D0 (en)	1990-10-17	Power unit
EP0459682A3 (en)	1992-05-06	Speaker cabinet with energy absorbent means
EP0441271A3 (en)	1992-10-14	Cabinet
GB9019408D0 (en)	1990-10-17	Energy absorption system
EP0441162A3 (en)	1992-11-19	Drawer
GB9000281D0 (en)	1990-03-07	Power absorption device
GB2243283B (en)	1994-06-22	Absorbent article
GB9010049D0 (en)	1990-06-27	Worktops assemblies
GB9019054D0 (en)	1990-10-17	Energy saving device
GB9021755D0 (en)	1990-11-21	Cabinet
GB9121724D0 (en)	1991-11-27	Sound absorbers
CA1285015C (en)	1991-06-18	Drawer panels
PL284125A1 (en)	1991-09-09	Sound absorbing structure
CA65955S (en)	1990-04-24	Cabinet
CA65953S (en)	1990-04-24	Cabinet
CA65587S (en)	1990-03-06	Cabinet
ZA916888B (en)	1992-05-27	Diapers
IL94442A0 (en)	1991-03-10	Energy absorption device

Legal Events

Date	Code	Title	Description
1991-10-18	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
1991-12-04	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-03-18	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-05-06	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1992-12-30	17P	Request for examination filed	Effective date: 19921029
1994-07-06	17Q	First examination report despatched	Effective date: 19940524
1995-10-04	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
1995-11-22	18D	Application deemed to be withdrawn	Effective date: 19950529