EP1096830A3 - Hochfrequenz-Wandler - Google Patents

Hochfrequenz-Wandler Download PDF

Info

Publication number
EP1096830A3
EP1096830A3 EP00309554A EP00309554A EP1096830A3 EP 1096830 A3 EP1096830 A3 EP 1096830A3 EP 00309554 A EP00309554 A EP 00309554A EP 00309554 A EP00309554 A EP 00309554A EP 1096830 A3 EP1096830 A3 EP 1096830A3
Authority
EP
European Patent Office
Prior art keywords
dome
ellipse
high frequency
constructed
length
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.)
Ceased
Application number
EP00309554A
Other languages
English (en)
French (fr)
Other versions
EP1096830A2 (de
Inventor
Philip Jeffrey Anthony
Julian Roger Wright
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.)
KEF Audio UK Ltd
Original Assignee
KEF Audio UK 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
Priority claimed from GB9925674A external-priority patent/GB2359213B/en
Application filed by KEF Audio UK Ltd filed Critical KEF Audio UK Ltd
Publication of EP1096830A2 publication Critical patent/EP1096830A2/de
Publication of EP1096830A3 publication Critical patent/EP1096830A3/de
Ceased 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H04R2207/021—Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
EP00309554A 1999-10-29 2000-10-30 Hochfrequenz-Wandler Ceased EP1096830A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9925674 1999-10-29
GB9925674A GB2359213B (en) 1999-10-29 1999-10-29 High frequency transducer
US09/521,911 US6792127B1 (en) 1999-10-29 2000-03-09 Elliptical dome for high frequency transducer
US521911 2000-03-09

Publications (2)

Publication Number Publication Date
EP1096830A2 EP1096830A2 (de) 2001-05-02
EP1096830A3 true EP1096830A3 (de) 2003-05-02

Family

ID=26316039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00309554A Ceased EP1096830A3 (de) 1999-10-29 2000-10-30 Hochfrequenz-Wandler

Country Status (2)

Country Link
EP (1) EP1096830A3 (de)
JP (1) JP2001169386A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005062664A1 (ja) 2003-12-22 2005-07-07 Matsushita Electric Industrial Co., Ltd. スピーカおよびこれを用いた装置
JP2007235552A (ja) * 2006-03-01 2007-09-13 Pioneer Electronic Corp スピーカ、ドーム型スピーカ用振動板、およびドーム型スピーカ用振動板の製造方法
CH708956B1 (fr) * 2013-12-09 2021-08-31 Montres Breguet Sa Membrane de rayonnement acoustique pour une montre musicale.
EP2881807B1 (de) * 2013-12-09 2019-11-27 Montres Breguet SA Schallabstrahlungsmembran für eine Armbanduhr mit Spieluhr
JP7708789B2 (ja) * 2020-12-24 2025-07-15 フォスター電機株式会社 スピーカの放音部材、及びスピーカ装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626465C (de) * 1929-05-17 1936-02-27 Telefunken Gmbh Elektrodynamischer Grossflaechenlautsprecher
DE2241445A1 (de) * 1972-08-23 1974-03-21 Gottlob Widmann & Soehne Gmbh Kalottenmembran fuer lautsprecher
US4135601A (en) * 1975-06-24 1979-01-23 Pioneer Electronic Corporation Boron coated diaphragm for use in a loud speaker
US5150419A (en) * 1990-10-06 1992-09-22 Nokia Unterhaltungselektronik Gmbh Calotte-type treble loudspeaker
US5181253A (en) * 1991-01-08 1993-01-19 Southern Audio Services, Inc. Loudspeaker assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626465C (de) * 1929-05-17 1936-02-27 Telefunken Gmbh Elektrodynamischer Grossflaechenlautsprecher
DE2241445A1 (de) * 1972-08-23 1974-03-21 Gottlob Widmann & Soehne Gmbh Kalottenmembran fuer lautsprecher
US4135601A (en) * 1975-06-24 1979-01-23 Pioneer Electronic Corporation Boron coated diaphragm for use in a loud speaker
US5150419A (en) * 1990-10-06 1992-09-22 Nokia Unterhaltungselektronik Gmbh Calotte-type treble loudspeaker
US5181253A (en) * 1991-01-08 1993-01-19 Southern Audio Services, Inc. Loudspeaker assembly

Also Published As

Publication number Publication date
JP2001169386A (ja) 2001-06-22
EP1096830A2 (de) 2001-05-02

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