EP0456416A3 - Loudspeaker system - Google Patents

Loudspeaker system Download PDF

Info

Publication number
EP0456416A3
EP0456416A3 EP19910303981 EP91303981A EP0456416A3 EP 0456416 A3 EP0456416 A3 EP 0456416A3 EP 19910303981 EP19910303981 EP 19910303981 EP 91303981 A EP91303981 A EP 91303981A EP 0456416 A3 EP0456416 A3 EP 0456416A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker system
loudspeaker
Prior art date
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
EP19910303981
Other versions
EP0456416B1 (en
EP0456416A2 (en
Inventor
Serikawa Mitsuhiko
Naono Hiroyuki
Masayuki Hara
Atsushi Yukiyoshi
Syouji Tanaka
Masaji Hotta
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0456416A2 publication Critical patent/EP0456416A2/en
Publication of EP0456416A3 publication Critical patent/EP0456416A3/en
Application granted granted Critical
Publication of EP0456416B1 publication Critical patent/EP0456416B1/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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type 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
    • H04R1/20—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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers

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)
  • Details Of Audible-Bandwidth Transducers (AREA)
EP19910303981 1990-05-11 1991-05-02 Loudspeaker system Expired - Lifetime EP0456416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP121625/90 1990-05-11
JP2121625A JP2653219B2 (en) 1990-05-11 1990-05-11 Speaker system

Publications (3)

Publication Number Publication Date
EP0456416A2 EP0456416A2 (en) 1991-11-13
EP0456416A3 true EP0456416A3 (en) 1992-11-25
EP0456416B1 EP0456416B1 (en) 1995-08-02

Family

ID=14815896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910303981 Expired - Lifetime EP0456416B1 (en) 1990-05-11 1991-05-02 Loudspeaker system

Country Status (3)

Country Link
EP (1) EP0456416B1 (en)
JP (1) JP2653219B2 (en)
DE (1) DE69111683T2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0575797U (en) * 1992-03-24 1993-10-15 株式会社河合楽器製作所 Speaker device for electronic keyboard instruments
US5740259A (en) * 1992-06-04 1998-04-14 Bose Corporation Pressure wave transducing
JPH06245286A (en) * 1993-02-19 1994-09-02 Sony Corp Speaker
US6223853B1 (en) 1994-12-23 2001-05-01 Graeme John Huon Loudspeaker system incorporating acoustic waveguide filters and method of construction
DE19859046A1 (en) * 1998-12-21 2000-07-20 Norbert Schaefer Low-frequency diaphragm speaker
US7614479B2 (en) * 2004-05-12 2009-11-10 Jan Plummer Sound enhancement module
DE102009011051B4 (en) 2009-02-28 2012-09-27 Thomas Scherer Speaker system and acoustic delay line for a speaker system
EP2436194B1 (en) * 2009-05-29 2013-07-03 e-Scape AS Loudspeaker arrangement
CN102742298B (en) 2010-12-03 2016-09-21 松下知识产权经营株式会社 Speaker system
CN202931512U (en) * 2012-09-27 2013-05-08 比亚迪股份有限公司 Pedestal with sound box
JP6082676B2 (en) * 2012-09-28 2017-02-15 和正 山田 Sonic amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2368639A (en) * 1943-09-02 1945-02-06 Florence Carter Tone chamber
EP0361445A2 (en) * 1988-09-28 1990-04-04 Yamaha Corporation Acoustic apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789393A (en) * 1980-11-17 1982-06-03 Bose Corp Controller for low end response for loudspeaker system
JPS5813792U (en) * 1981-07-20 1983-01-28 シャープ株式会社 speaker cabinet
JPH01254097A (en) * 1988-04-04 1989-10-11 Yamaha Corp Acoustic equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2368639A (en) * 1943-09-02 1945-02-06 Florence Carter Tone chamber
EP0361445A2 (en) * 1988-09-28 1990-04-04 Yamaha Corporation Acoustic apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 9 (E-870)10 January 1989 & JP-A-1 254 097 ( YAMAHA ) 11 October 1989 *

Also Published As

Publication number Publication date
DE69111683D1 (en) 1995-09-07
JP2653219B2 (en) 1997-09-17
EP0456416B1 (en) 1995-08-02
EP0456416A2 (en) 1991-11-13
JPH0417497A (en) 1992-01-22
DE69111683T2 (en) 1996-04-04

Similar Documents

Publication Publication Date Title
EP0410352A3 (en) Loudspeaker system
EP0453230A3 (en) Speaker system
GB2273848B (en) Speaker system
GB2261794B (en) Loudspeaker
EP0456416A3 (en) Loudspeaker system
GB9026679D0 (en) Loudspeaker
GB9014118D0 (en) Connection system
GB9207882D0 (en) Loudspeakers
GB9117303D0 (en) System
GB2256560B (en) Loudspeaker
GB9123833D0 (en) Loudspeaker
GB8928352D0 (en) Loudspeaker system
GB2238206B (en) Speaker system
EP0447751A3 (en) Size-normalisation system
GB9126261D0 (en) Loudspeakers
GB9006641D0 (en) Loudspeakers
GB9027670D0 (en) Loudspeakers
GB9017638D0 (en) Loudspeaker
PL284626A1 (en) Loudspeaker
GB9007855D0 (en) An audio system
IE900845L (en) Telephone system
HU903989D0 (en) Felxiphon telephone system
GB9005869D0 (en) Acoustic system
GB9022255D0 (en) Anti-intruder system
GB9016611D0 (en) Tile-cladding system

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 FR GB 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 FR GB NL

17P Request for examination filed

Effective date: 19930511

17Q First examination report despatched

Effective date: 19940708

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB NL

REF Corresponds to:

Ref document number: 69111683

Country of ref document: DE

Date of ref document: 19950907

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: DE

Payment date: 20010423

Year of fee payment: 11

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

Ref country code: GB

Payment date: 20010502

Year of fee payment: 11

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

Ref country code: FR

Payment date: 20010518

Year of fee payment: 11

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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: 20020502

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: 20021203

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

Effective date: 20020502

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: 20030131

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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

Ref country code: NL

Payment date: 20040505

Year of fee payment: 14

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: 20051201

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

Effective date: 20051201