Conference system

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United States of America Patent

PATENT NO 4730306
SERIAL NO

06783777

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A conference system is disclosed which is capable of freely setting the sound volume level by making the sound volume levels of the input and output of the conference circuit variable for each participant, by pluralities of input and output ROM converters so that the levels of voices of participants of large and small line losses are made as close to each other as possible and that the participant of a large line loss is supplied with a voice of low attenuation.

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Patent Owner(s)

Patent OwnerAddress
IWATSU ELECTRIC CO LTD 7-41 1-CHOME KUGAYAMA SUGINAMI-KU TOKYO-TO JAPAN A JOINT-STOCK COMPANY OF JAPANNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Uchida, Seiya Akishima, JP 4 43

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