Howler indicator in cordless telephone system

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United States of America Patent

PATENT NO 4788712
SERIAL NO

07090515

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In a howler indicator of a cordless telephone system, a howler signal is detected by a howler signal detecting means provided in the master device, the mobile device is informed of the detection of the howler signal by a predetermined command signal transmitted from the master device through a radio line, and in response to this an indicating means provided in the mobile device is activated to prompt the operator to replace or hang up the mobile device correctly for the purpose of putting the mobile device in the ON-HOOK state.

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Patent Owner(s)

Patent OwnerAddress
BAXTER TRAVENOL LABORATORIES INC A CORP OF DEDEERFIELD IL

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Toki, Akio Hino, JP 8 103
Umemoto, Yuji Hino, JP 38 735

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