Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Patent
1999-05-06
2000-11-28
Olms, Douglas W.
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
348474, H04J 322
Patent
active
061544663
ABSTRACT:
A digital video signal is transmitted via a communication system which can transmit digital data through an asynchronous communication line (ATM communication line) or the like and, at the same time, voice information for the working communication and information such as computer information are transmitted by using the communication system. The user of a first data transmitting apparatus sets up the character data etc. for communication on the terminal. The set character data is multiplexed in the predetermined transmission packet together with the audio and video data output from the VTR device and transmitted via an ATM communication line 2 to a second data transmitting apparatus. In the second data transmitting apparatus, the character data is demultiplexed from the transmission packet and displayed on for example the display device of the personal computer. In place of the character information, also voice information can be transmitted by a telephone set. In this way, the users of both data transmitting apparatuses transmit and receive the working communication information by using the communication line for transmitting the digital video signal.
REFERENCES:
patent: 5140417 (1992-08-01), Tanaka et al.
patent: 5625407 (1997-04-01), Biggs et al.
patent: 5805762 (1998-09-01), Boyce et al.
Iwasaki Atsushi
Kubota Tatsuya
Matsumura Youichi
Takeda Takayuki
Maioli Jay H.
Olms Douglas W.
Sony Corporation
Vanderpuye Kenneth
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