Television – Two-way video and voice communication – User positioning
Patent
1997-06-09
2000-06-13
Woo, Stella
Television
Two-way video and voice communication
User positioning
379144, 379 9101, 379 9321, 379114, 379 9322, 379 9319, 348 14, H04M 1100
Patent
active
060755539
ABSTRACT:
A videoconferencing network of audiovisual communication terminals is interconnected by a telephone network. Each terminal is activated only when the balance in a user account has been read and the account has been made available for debiting. The terminal includes a monitor system for playing out and receiving voice and picture information, an interface system for conditioning signals passing between the monitor system and the telephone network, and a database which contains the locations and telephone numbers of other terminals of the videoconferencing network. The terminal firer includes a display of information from the database, a pointing device by means of which a user can make a selection from the display by indicating the relevant position in the display, and a device for automatically dialing up the selected remote terminal.
REFERENCES:
patent: 4688105 (1987-08-01), Bloch et al.
patent: 5598351 (1997-01-01), Chater et al.
patent: 5604341 (1997-02-01), Grossi et al.
patent: 5841469 (1998-11-01), Freeman et al.
Freeman Karen Martita
Pieters Herman Joseph
Pitman II Jack Andrew
AT&T Corp.
Finston Martin I.
Lucent Technologies - Inc.
Woo Stella
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