CA1025549A - Dynamic loudspeaker - Google Patents

Dynamic loudspeaker

Info

Publication number
CA1025549A
CA1025549A CA219,054A CA219054A CA1025549A CA 1025549 A CA1025549 A CA 1025549A CA 219054 A CA219054 A CA 219054A CA 1025549 A CA1025549 A CA 1025549A
Authority
CA
Canada
Prior art keywords
dynamic loudspeaker
loudspeaker
dynamic
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.)
Expired
Application number
CA219,054A
Other languages
English (en)
French (fr)
Other versions
CA219054S (en
Inventor
Hirotake Kawakami
Hiroshi Koizumi
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1025549A publication Critical patent/CA1025549A/en
Expired 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
    • 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CA219,054A 1974-01-31 1975-01-30 Dynamic loudspeaker Expired CA1025549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1354974A JPS574160B2 (en, 2012) 1974-01-31 1974-01-31

Publications (1)

Publication Number Publication Date
CA1025549A true CA1025549A (en) 1978-01-31

Family

ID=11836229

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,054A Expired CA1025549A (en) 1974-01-31 1975-01-30 Dynamic loudspeaker

Country Status (8)

Country Link
US (1) US3955055A (en, 2012)
JP (1) JPS574160B2 (en, 2012)
CA (1) CA1025549A (en, 2012)
DE (1) DE2503863C2 (en, 2012)
FR (1) FR2260247B1 (en, 2012)
GB (1) GB1486853A (en, 2012)
IT (1) IT1031315B (en, 2012)
NL (1) NL7500942A (en, 2012)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5269611A (en) * 1975-12-09 1977-06-09 Mitsubishi Electric Corp Speaker
DE2908115C3 (de) * 1979-03-02 1981-12-24 Braun Ag, 6000 Frankfurt Elektrodynamischer Lautsprecher
US4327257A (en) * 1979-09-10 1982-04-27 Schwartz Leslie H Alignment device for electro-acoustical transducers
AT396859B (de) * 1990-10-25 1993-12-27 Ennemoser Dieter Membran für einen elektroakustischen wandler mit unstetiger änderung des öffnungswinkels zwecks anpassung an die gehörfunktion
AU4996099A (en) * 1998-07-21 2000-02-14 Harman International Industries Incorporated Miniature full range loudspeaker
US6394224B1 (en) * 2000-03-30 2002-05-28 Chun-I Liu Structure of speaker
JP2002152885A (ja) * 2000-11-14 2002-05-24 Sony Corp スピーカ装置
JP3874183B2 (ja) * 2002-05-21 2007-01-31 フォスター電機株式会社 電気音響変換器用振動板
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
JP2005203972A (ja) * 2004-01-14 2005-07-28 Pioneer Electronic Corp ドーム型振動板及びスピーカ装置
WO2007058133A1 (ja) * 2005-11-15 2007-05-24 Pioneer Corporation スピーカ、および磁気回路
JP2007336322A (ja) * 2006-06-16 2007-12-27 Pioneer Electronic Corp スピーカ及びその製造方法
EP2854421B1 (en) * 2007-07-25 2017-12-06 Sinar Baja Electric Ltd. Ring shaped membrane for an electro-acoustical loudspeaker
US9232314B2 (en) * 2013-09-09 2016-01-05 Sonos, Inc. Loudspeaker configuration
TWI763271B (zh) * 2021-01-22 2022-05-01 美律實業股份有限公司 振膜結構

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1918164A (en) * 1929-09-10 1933-07-11 William L Woolf Acoustic device
GB494726A (en) * 1937-04-28 1938-10-28 British Thomson Houston Co Ltd Acoustic diaphragm
FR890151A (fr) * 1941-03-15 1944-01-31 Fides Gmbh Perfectionnements aux dispositifs de centrage pour haut-parleurs électrodynamiques
US3190389A (en) * 1963-06-20 1965-06-22 Gen Electric Loudspeaker construction
DE2110466B1 (de) * 1971-03-04 1971-11-18 Standard Elek K Lorenz Ag Hochtonlautsprecher
JPS5089330U (en, 2012) * 1973-12-17 1975-07-29

Also Published As

Publication number Publication date
NL7500942A (nl) 1975-08-04
IT1031315B (it) 1979-04-30
JPS50108918A (en, 2012) 1975-08-27
FR2260247A1 (en, 2012) 1975-08-29
JPS574160B2 (en, 2012) 1982-01-25
DE2503863C2 (de) 1983-11-10
DE2503863A1 (de) 1975-08-07
FR2260247B1 (en, 2012) 1982-02-26
US3955055A (en) 1976-05-04
GB1486853A (en) 1977-09-28

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