Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1994-11-02
1996-02-06
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
348 14, H04M 1100
Patent
active
054902088
ABSTRACT:
A television-to-television audio/visual system for exchanging voice and graphical information. Users having a electronic device embodying the present invention, which provides a television with speakerphone capability, can initiate a voice call directly to another such device. After the initial voice mode, the users switch to data mode to send or exchange image data. The system is switchable between modes to allow effective and efficient exchange of information between the users.
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Chan Wing F.
Viscorp
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