JPS5753198A - Ring-shaped speaker - Google Patents

Ring-shaped speaker

Info

Publication number
JPS5753198A
JPS5753198A JP12834180A JP12834180A JPS5753198A JP S5753198 A JPS5753198 A JP S5753198A JP 12834180 A JP12834180 A JP 12834180A JP 12834180 A JP12834180 A JP 12834180A JP S5753198 A JPS5753198 A JP S5753198A
Authority
JP
Japan
Prior art keywords
ring
circumferential side
shaped speaker
speaker
diaphragms
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.)
Pending
Application number
JP12834180A
Other languages
Japanese (ja)
Inventor
Shigemi Takahashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12834180A priority Critical patent/JPS5753198A/en
Publication of JPS5753198A publication Critical patent/JPS5753198A/en
Pending 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Abstract

PURPOSE:To widen the frequency band of a reproduced sound, by shaping one of diaphragms in the inside circumferential side and the outside circumferential side of a ring-shaped speaker at least into a curved form. CONSTITUTION:In a ring-shaped speaker where a diaphragm 14 in the inside circumferential side and a diaphragm 15 in the outside circumferential side are so arranged that their section is a V-form and driving parts such as a bobbine 20 and a voice coil 21 are connected to the apex of this V-form. At lease one of diaphragms 14 and 15, is curved to the front or the back of the speaker into an arc form according as going from one end to the other in the breadth-wise direction.
JP12834180A 1980-09-16 1980-09-16 Ring-shaped speaker Pending JPS5753198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12834180A JPS5753198A (en) 1980-09-16 1980-09-16 Ring-shaped speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12834180A JPS5753198A (en) 1980-09-16 1980-09-16 Ring-shaped speaker

Publications (1)

Publication Number Publication Date
JPS5753198A true JPS5753198A (en) 1982-03-30

Family

ID=14982398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12834180A Pending JPS5753198A (en) 1980-09-16 1980-09-16 Ring-shaped speaker

Country Status (1)

Country Link
JP (1) JPS5753198A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1351546A2 (en) * 2002-03-29 2003-10-08 Pioneer Corporation Speaker capable to playback in wide frequency range
WO2005015950A1 (en) * 2003-08-08 2005-02-17 Koninklijke Philips Electronics N.V. Loudspeaker with undulated membrane
WO2005020630A1 (en) * 2003-08-22 2005-03-03 Koninklijke Philips Electronics N.V. Loudspeaker having a composite diaphragm structure
EP2039213A1 (en) * 2006-07-12 2009-03-25 Anders Sagren High frequency diaphragm and voice coil assembly
JP4878625B2 (en) * 2006-05-24 2012-02-15 パイオニア株式会社 Speaker device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1351546A2 (en) * 2002-03-29 2003-10-08 Pioneer Corporation Speaker capable to playback in wide frequency range
EP1351546A3 (en) * 2002-03-29 2007-04-11 Pioneer Corporation Speaker capable to playback in wide frequency range
WO2005015950A1 (en) * 2003-08-08 2005-02-17 Koninklijke Philips Electronics N.V. Loudspeaker with undulated membrane
WO2005020630A1 (en) * 2003-08-22 2005-03-03 Koninklijke Philips Electronics N.V. Loudspeaker having a composite diaphragm structure
JP4878625B2 (en) * 2006-05-24 2012-02-15 パイオニア株式会社 Speaker device
EP2039213A1 (en) * 2006-07-12 2009-03-25 Anders Sagren High frequency diaphragm and voice coil assembly
EP2039213A4 (en) * 2006-07-12 2011-06-29 Anders Sagren High frequency diaphragm and voice coil assembly

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