EP0531998A3 - - Google Patents

Download PDF

Info

Publication number
EP0531998A3
EP0531998A3 EP19920115503 EP92115503A EP0531998A3 EP 0531998 A3 EP0531998 A3 EP 0531998A3 EP 19920115503 EP19920115503 EP 19920115503 EP 92115503 A EP92115503 A EP 92115503A EP 0531998 A3 EP0531998 A3 EP 0531998A3
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
EP0531998A2 (en
EP0531998B1 (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.)
Filing date
Publication date
Priority claimed from US07/757,765 external-priority patent/US5194701A/en
Priority claimed from JP1991108888U external-priority patent/JPH0747030Y2/en
Application filed by NPL KK filed Critical NPL KK
Publication of EP0531998A2 publication Critical patent/EP0531998A2/en
Publication of EP0531998A3 publication Critical patent/EP0531998A3/xx
Application granted granted Critical
Publication of EP0531998B1 publication Critical patent/EP0531998B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
US07/757,765 US5194701A (en) 1991-09-11 1991-09-11 Speaker structure
US757765 1991-09-11
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

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

Similar Documents

Publication Publication Date Title
DE9103004U1 (en)
DE9102092U1 (en)
DE9102748U1 (en)
DE9100936U1 (en)
DE9102314U1 (en)
DE9102355U1 (en)
DE9101024U1 (en)
DE9103644U1 (en)
DE9102845U1 (en)
DE9101810U1 (en)
DE9102098U1 (en)
DE9102335U1 (en)
DE9100980U1 (en)
DE9101846U1 (en)
DE9100251U1 (en)
DE9102878U1 (en)
DE9100108U1 (en)
DE9100029U1 (en)
DE9102275U1 (en)
DE9101046U1 (en)
DE9100423U1 (en)
DE9101483U1 (en)
DE9102063U1 (en)
DE9102799U1 (en)
DE9100526U1 (en)

Legal Events

Date Code Title Description
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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK FR GB IT NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE DK FR GB IT NL

17P Request for examination filed

Effective date: 19940727

17Q First examination report despatched

Effective date: 19950508

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR GB IT NL

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

REF Corresponds to:

Ref document number: 69218861

Country of ref document: DE

Date of ref document: 19970515

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
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

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980917

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 19980923

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19980930

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19981127

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990910

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000401

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000531

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000401

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000701

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050910