Article: Japanese Inventors Develop Surround for Speaker System

ALEXANDRIA, Va., Sept. 17 -- Takashi Suzuki and Masatoshi Sato, both of Yamagata-ken, Japan, have developed a manufacturing method of surround for a speaker system.

According to the U.S. Patent & Trademark Office: "A speaker's surround to be attached to an edge of a diaphragm in a speaker system is provided, which is capable of keeping its predetermined shape while repeating elastic deformation for accommodating large amplitude vibration of the diaphragm. Further, the surround is highly durable to withstand the repeated large amplitude vibration, and which can achieve high sound pressure levels."

An abstract of the invention, released by the Patent Office, said: "The surround for a ...

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