EP1646263A3 - Koaxiallautsprecher mit wellenförmiger Membran - Google Patents

Koaxiallautsprecher mit wellenförmiger Membran Download PDF

Info

Publication number
EP1646263A3
EP1646263A3 EP05020885A EP05020885A EP1646263A3 EP 1646263 A3 EP1646263 A3 EP 1646263A3 EP 05020885 A EP05020885 A EP 05020885A EP 05020885 A EP05020885 A EP 05020885A EP 1646263 A3 EP1646263 A3 EP 1646263A3
Authority
EP
European Patent Office
Prior art keywords
coaxial loudspeaker
loud speaker
membrane
plate
waveform diaphragm
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
EP05020885A
Other languages
English (en)
French (fr)
Other versions
EP1646263B1 (de
EP1646263A2 (de
Inventor
Rolf Janke
Michael Hein
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.)
ELAC Electroacustic GmbH
Original Assignee
ELAC Electroacustic GmbH
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 ELAC Electroacustic GmbH filed Critical ELAC Electroacustic GmbH
Publication of EP1646263A2 publication Critical patent/EP1646263A2/de
Publication of EP1646263A3 publication Critical patent/EP1646263A3/de
Application granted granted Critical
Publication of EP1646263B1 publication Critical patent/EP1646263B1/de
Anticipated expiration legal-status Critical
Not-in-force legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

Koaxiallautsprecher mit wellenförmiger Membranfolie vor einer geschlossenen, rückseitigen Kammer in einem Schwingsystem mit mindestens einem energiereichen Dauermagneten, einer Frontplatte und einer den Dauermagneten erregenden Spulenanordnung, mit einem plattenförmigen, axial magnetisierten Magnetelement, und Schlitzen (26) in der vorderseitigen, vor der Membranfolie (12) angeordneten Frontplatte.
EP05020885A 2004-10-07 2005-09-26 Koaxiallautsprecher mit wellenförmiger Membran Not-in-force EP1646263B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004015635U DE202004015635U1 (de) 2004-10-07 2004-10-07 Koaxiallautsprecher mit wellenförmiger Membran

Publications (3)

Publication Number Publication Date
EP1646263A2 EP1646263A2 (de) 2006-04-12
EP1646263A3 true EP1646263A3 (de) 2008-08-13
EP1646263B1 EP1646263B1 (de) 2010-07-21

Family

ID=33495497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020885A Not-in-force EP1646263B1 (de) 2004-10-07 2005-09-26 Koaxiallautsprecher mit wellenförmiger Membran

Country Status (3)

Country Link
EP (1) EP1646263B1 (de)
AT (1) ATE475271T1 (de)
DE (2) DE202004015635U1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2180721A1 (de) 2008-10-21 2010-04-28 Lautsprecher Teufel GmbH Flachmembranlautsprecher
US9124964B2 (en) 2012-05-09 2015-09-01 Eugene J. Christensen Wide-range, wide-angle loudspeaker driver

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003950A1 (de) * 1969-02-19 1970-09-10 Oskar Heil Akustischer Wandler
US4056697A (en) * 1976-09-03 1977-11-01 Oskar Heil Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions
JPS5575398A (en) * 1978-12-04 1980-06-06 Victor Co Of Japan Ltd Electro-acoustic converter possessing folding diaphragm
US4228327A (en) * 1978-02-25 1980-10-14 Tadashi Sawafuji Electromagnetic type acoustic transducers
WO1999007183A1 (en) * 1997-07-30 1999-02-11 Glenn Ronald Alsop Electro-acoustic transducer
DE19913558A1 (de) * 1998-03-25 1999-09-30 Sony Corp Lautsprechervorrichtung
DE20207154U1 (de) * 2002-05-07 2002-09-19 Gerkinsmeyer, Norman, 89231 Neu-Ulm Magnetsystem und Treiber
US20040047478A1 (en) * 2002-09-09 2004-03-11 Christopher Combest Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003950A1 (de) * 1969-02-19 1970-09-10 Oskar Heil Akustischer Wandler
US4056697A (en) * 1976-09-03 1977-11-01 Oskar Heil Movable diaphragm connector method flexible hinge diaphragm surround and electro-acoustic transducer with folded diaphragm with intermediate flexible portions
US4228327A (en) * 1978-02-25 1980-10-14 Tadashi Sawafuji Electromagnetic type acoustic transducers
JPS5575398A (en) * 1978-12-04 1980-06-06 Victor Co Of Japan Ltd Electro-acoustic converter possessing folding diaphragm
WO1999007183A1 (en) * 1997-07-30 1999-02-11 Glenn Ronald Alsop Electro-acoustic transducer
DE19913558A1 (de) * 1998-03-25 1999-09-30 Sony Corp Lautsprechervorrichtung
DE20207154U1 (de) * 2002-05-07 2002-09-19 Gerkinsmeyer, Norman, 89231 Neu-Ulm Magnetsystem und Treiber
US20040047478A1 (en) * 2002-09-09 2004-03-11 Christopher Combest Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay

Also Published As

Publication number Publication date
EP1646263B1 (de) 2010-07-21
DE502005009938D1 (de) 2010-09-02
EP1646263A2 (de) 2006-04-12
ATE475271T1 (de) 2010-08-15
DE202004015635U1 (de) 2004-12-02

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