Title:
スピーカ装置
Document Type and Number:
Japanese Patent JP4386327
Kind Code:
B2
Abstract:
A speaker apparatus includes an elliptical-shaped or a round-edged rectangular-shaped vibration plate; an edge damper portion disposed on an outer peripheral edge portion of the vibration plate; a recessed portion formed between said vibration plate and said edge damper portion, having a caliber of a shape corresponding to the shape of said vibration plate; and an air core voice coil fitted into an interior of said recessed portion. The speaker apparatus further includes a frame for mounting said edge damper portion to support said vibration plate, having a stepped portion and a vertical wall portion; and an edge damper frame arranged on an outer periphery of said edge damper portion, having a support portion placed on the stepped portion and a rising portion being in contact with the vertical wall portion.
Inventors:
Ito regular
Kunio Mitobe
Osamu Takahashi
Kunio Mitobe
Osamu Takahashi
Application Number:
JP2002057638A
Publication Date:
December 16, 2009
Filing Date:
March 04, 2002
Export Citation:
Assignee:
Pioneer Corporation
Tohoku Pioneer Co., Ltd.
Tohoku Pioneer Co., Ltd.
International Classes:
H04R9/04; H04R7/12; H04R7/20; H04R9/02; H04R9/06
Domestic Patent References:
| JP11146487A | ||||
| JP9322289A | ||||
| JP7298389A | ||||
| JP50130421A |
Attorney, Agent or Firm:
Teruo Naito