Ringer signal wave shaping circuit

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United States of America Patent

PATENT NO 4523058
SERIAL NO

06544643

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Improved ringer signal circuitry in a telephone handset modifies the leading edge of the ringer signal envelope causing ringer volume to gradually increase, over a period of time, to its maximum value.

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Patent Owner(s)

Patent OwnerAddress
UNIDEN CORPORATION OF AMERICA6345 CASTLEWAY COURT A CORP OF IN INDIANAPOLIS IN 46250

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haynes, James R Indianapolis, IN 1 7
Stevens, James C Plainfield, IN 137 7756

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