Patent · US Expired

Automated communications assistant for the sound-impaired

US6421425B1 · kind B1 · utility

118Cited by
11References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1998
Grant dateJul 16, 2002
Priority date
Expiry dateAug 17, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L69/329
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A communications system is designed to allow sound-impaired persons to communicate with sound-unimpaired individuals via the Internet. When a sound-impaired person at a Text Teletypewriter (TTY) terminal initiates a call that is destined for a sound-unimpaired person, the communications system ascertains whether the sound unimpaired person is currently using the Internet and, if so, automatically completes the call over the Internet and the communications system without the help of any communications assistant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.