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US 8,428,298 B2Granted
Damper for speaker and speaker using the damper
AssigneePanasonic Corporation
InventorsKimihiro Ando, Kazuyoshi Umemura
Life of this patent
Estimating the term…
Abstract
A speaker has high sound quality by reducing resonance of curved parts in a speaker damper without decreasing sound pressure and by providing high linearity characteristic. In a damper for a speaker formed by including at least two curved parts, an elastic member is provided at least on one side or on both sides of a peripheral part in a movable part of the damper or provided in the material.
Claims17
A damper for a speaker, comprising:
- a damper member having a plurality of curved parts, said damper member having an outer periphery, an inner periphery, an upper face and a lower face;
- wherein said damper member includes an inner peripheral section, and an outer peripheral section that is located closer than said inner peripheral section to said outer periphery, such that said inner peripheral section is located radially inward of said outer peripheral section;
- wherein an elastic member is provided within said damper member in said outer peripheral section thereof or on at least one of the upper face and the lower face of said damper member in said outer peripheral section thereof;
- and
- wherein the elastic member is provided to the damper member only in the outer peripheral section of the damper member.
2 more elements
A damper for a speaker, comprising:
- a damper member having a plurality of curved parts, said damper member having an outer periphery, an inner periphery, an upper face and a lower face;
- wherein said damper member includes an inner peripheral section, and an outer peripheral section that is located closer than said inner peripheral section to said outer periphery, such that said inner peripheral section is located radially inward of said outer peripheral section;
- wherein an elastic member is provided to said damper member in said outer peripheral section, said inner peripheral section having no elastic member;
- wherein said plurality of curved parts includes an outer curved part in the outer peripheral section and plural inner curved parts in the inner peripheral section;
- and
- wherein said outer curved part is larger in height than all of the inner curved parts.
3 more elements
Dependencies are inferred from the claim text.