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US 6,957,714 B2Granted
Speaker and speaker diaphragm
AssigneesPioneer Corporation, Tohoku Pioneer Corporation
InventorsOsamu Takahashi, Ryo Ishiyama
Life of this patent
Estimating the term…
Abstract
The speaker has a diaphragm main body 30 supported resiliently on a frame 23 via an edge portion 31 around its outer circumference, and the groove ribs 35 integrally formed in the edge portion 31, wherein a regulation member 37 for partially improving a flexural strength of the edge portion 31 is provided on a part of the front or back face of the edge portion 31.
Claims12
A speaker comprising:
- a frame;
- a diaphragm main body supported resiliently on the frame via an edge portion around outer circumference thereof;
- a groove rib integrally molded in the edge portion;
- and
- a regulation member provided on a part of the front or back face of the edge portion, and adapted to partially improve a flexural strength of the edge portion.
2 more elements
A speaker diaphragm comprising:
- a diaphragm main body integrally formed with an edge portion around outer circumference thereof;
- a groove rib integrally formed in the edge portion;
- a regulation member provided on a part of the front or back face of the edge portion, and adapted to partially improve a flexural strength of the edge portion.
Dependencies are inferred from the claim text.