Earphone-microphone adapter

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United States of America Patent

PATENT NO 6198821
SERIAL NO

09267758

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Abstract

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An adapter for connecting an earphone-microphone set to a mobile telephone such that a muting function is added to the system. Moreover, an older earphone-microphone set can also be connected to a mobile telephone via this adapter.

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Patent Owner(s)

Patent OwnerAddress
COTRON CORPORATIONTAIPEI CITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yang, Bill Taipei, TW 93 1154

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