Device independent text captioned telephone service

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7881441
SERIAL NO

11391141

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Text captioned telephony, in which a telephone conversation is accompanied by text captions to aid in hard-of-hearing users, is implemented without the use of specialized text captioned telephone terminals by using a combination of an Internet appliance such as a computer and a telephone or by generalized voice over Internet protocol (VOIP) telephones.

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Patent Owner(s)

Patent OwnerAddress
ULTRATEC INC450 SCIENCE DRIVE MADISON WI 53711

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colwell, Kevin R Middleton, US 102 2553
Engelke, Robert M Madison, US 126 5140
Gritner, Kurt M Madison, US 5 548
Vitek, Troy D Wanakee, US 29 1289

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