Invention Grant
- Patent Title: Device independent text captioned telephone service
- Patent Title (中): 设备独立文字标题电话服务
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Application No.: US11391141Application Date: 2006-03-28
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Publication No.: US07881441B2Publication Date: 2011-02-01
- Inventor: Robert M. Engelke , Kevin R. Colwell , Troy D. Vitek , Kurt M. Gritner
- Applicant: Robert M. Engelke , Kevin R. Colwell , Troy D. Vitek , Kurt M. Gritner
- Applicant Address: US WI Madison
- Assignee: Ultratec, Inc.
- Current Assignee: Ultratec, Inc.
- Current Assignee Address: US WI Madison
- Agency: Quarles & Brady
- Main IPC: H04M11/00
- IPC: H04M11/00

Abstract:
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.
Public/Granted literature
- US20070036282A1 Device independent text captioned telephone service Public/Granted day:2007-02-15
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