EP0531998A3 - - Google Patents

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Publication number: EP0531998A3
Authority: EP; European Patent Office
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.): Granted

Application number

EP19920115503

Other versions

EP0531998B1 (en

EP0531998A2 (en

Inventor

Teppi Yamada-Scriba

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.)

NPL KK

Original Assignee

NPL KK

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.)

1991-09-11

Filing date

1992-09-10

Publication date

1994-02-16

1991-09-11 Priority claimed from US07/757,765 external-priority patent/US5194701A/en

1991-12-09 Priority claimed from JP1991108888U external-priority patent/JPH0747030Y2/en

1992-09-10 Application filed by NPL KK filed Critical NPL KK

1993-03-17 Publication of EP0531998A2 publication Critical patent/EP0531998A2/en

1994-02-16 Publication of EP0531998A3 publication Critical patent/EP0531998A3/xx

1997-04-09 Application granted granted Critical

1997-04-09 Publication of EP0531998B1 publication Critical patent/EP0531998B1/en

2012-09-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings

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)

EP19920115503 1991-09-11 1992-09-10 Speaker unit and covering structure therefor Expired - Lifetime EP0531998B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US757765		1991-09-11
US07/757,765 US5194701A (en)	1991-09-11	1991-09-11	Speaker structure
JP108888/91U		1991-12-09
JP1991108888U JPH0747030Y2 (en)	1991-12-09	1991-12-09	Speaker structure

Publications (3)

Publication Number	Publication Date
EP0531998A2 EP0531998A2 (en)	1993-03-17
EP0531998A3 true EP0531998A3 (en)	1994-02-16
EP0531998B1 EP0531998B1 (en)	1997-04-09

Family

ID=26448701

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19920115503 Expired - Lifetime EP0531998B1 (en)	1991-09-11	1992-09-10	Speaker unit and covering structure therefor

Country Status (3)

Country	Link
EP (1)	EP0531998B1 (en)
DE (1)	DE69218861T2 (en)
DK (1)	DK0531998T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2738983B1 (en) *	1995-09-20	1997-10-17	Aubriot Cedric	ACOUSTIC SPEAKER OF THE TYPE HAVING A RIGID STRUCTURE SUPPORTING AT LEAST ONE SPEAKER FIXED ON A FLAT WALL
US8292023B2 (en)	2009-02-13	2012-10-23	Nokia Corporation	Enclosing adsorbent material
CN202799035U (en) *	2012-08-28	2013-03-13	赵浩波	Absorbable fixing structure for speaker with built-in power supply

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3867996A (en) *	1973-11-21	1975-02-25	Modular Sound Systems Inc	Speaker enclosure
DE3223721A1 (en) *	1982-06-25	1983-12-29	Günther Dipl.-Ing. 5100 Aachen Penning	Holder for loudspeaker enclosures
DE3705724A1 (en) *	1986-02-24	1987-09-17	Pioneer Electronic Corp	SPEAKER SYSTEM

1992
- 1992-09-10 DE DE1992618861 patent/DE69218861T2/en not_active Expired - Fee Related
- 1992-09-10 DK DK92115503T patent/DK0531998T3/en active
- 1992-09-10 EP EP19920115503 patent/EP0531998B1/en not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3867996A (en) *	1973-11-21	1975-02-25	Modular Sound Systems Inc	Speaker enclosure
DE3223721A1 (en) *	1982-06-25	1983-12-29	Günther Dipl.-Ing. 5100 Aachen Penning	Holder for loudspeaker enclosures
DE3705724A1 (en) *	1986-02-24	1987-09-17	Pioneer Electronic Corp	SPEAKER SYSTEM

Also Published As

Publication number	Publication date
EP0531998B1 (en)	1997-04-09
EP0531998A2 (en)	1993-03-17
DE69218861T2 (en)	1997-11-20
DE69218861D1 (en)	1997-05-15
DK0531998T3 (en)	1997-05-05

Publication	Publication Date	Title
EP0506330A3 (en)	1995-05-03
EP0497345A3 (en)	1994-03-16
DK0539725T3 (en)	1997-03-17
EP0514790A3 (en)	1994-03-30
EP0529093A4 (en)	1994-03-09
DK0549891T3 (en)	1997-03-03
DK0572469T3 (en)	1997-01-20
AU8484991A (en)	1991-12-05
ECSM91565U (en)	1994-03-21
ECSM91547U (en)	1993-06-14
ECSM91539U (en)	1992-02-14
ECSM91530U (en)	1991-11-04
ECSM91555U (en)	1992-03-18
EP0501934A3 (en)	1994-02-23
EP0511738A3 (en)	1994-04-20
CN3009747S (en)	1991-06-05
AU8670691A (en)	1992-07-30
AU8587391A (en)	1992-03-05
AU8389191A (en)	1992-08-13
EP0494541A3 (en)	1994-01-12
AU8024591A (en)	1992-01-09
EP0497502A3 (en)	1994-03-16
EP0499403A3 (en)	1994-02-16
EP0501483A3 (en)	1994-03-02
EP0513821A3 (en)	1994-03-16

Legal Events

Date	Code	Title	Description
1993-01-29	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
1993-03-17	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE DK FR GB IT NL
1993-12-29	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1994-02-16	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE DK FR GB IT NL
1994-09-21	17P	Request for examination filed	Effective date: 19940727
1995-06-21	17Q	First examination report despatched	Effective date: 19950508
1996-05-16	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-10-05	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-01-29	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-02-21	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-04-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE DK FR GB IT NL
1997-05-05	REG	Reference to a national code	Ref country code: DK Ref legal event code: T3
1997-05-15	REF	Corresponds to:	Ref document number: 69218861 Country of ref document: DE Date of ref document: 19970515
1997-07-04	ET	Fr: translation filed
1998-02-13	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1998-02-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1998-04-01	26N	No opposition filed
1998-08-19	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980819 Year of fee payment: 7
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