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Title:
COMPUTER ON-LINE SYSTEM USING CATV LINE
Document Type and Number:
Japanese Patent JPH1066051
Kind Code:
A
Abstract:

To conduct smoothly toll charged data communication service using a CATV channel.

A transmission packet from a personal computer 13 is converted into a transmission packet for a CATV channel by a data converter and sent to a cable modem controller via a QPSK modulator 10 and the CATV channel, and reaches an Internet server 14 via a QPSK demodulator 6, a format converter 4 and a LAN channel 2. Reply data from the Internet server 14 are outputted to a cable modem controller 20 via the LAN channel 2 and added with channel information from an error rate/traffic measurement device 21, and a charging memory 22 and the resulting data are converted into a transmission packet for the CATV channel via the format converter 4 and sent to a cable modem 23 via a QPSK modulator 5 and the CATV channel and pass through a QPSK demodulator 9 and a data converter 11 and the channel information is extracted from the packet and stored in a memory device 25 and displayed on a display device 24.


Inventors:
UEHARA SHOJI
Application Number:
JP1996000222831
Publication Date:
March 06, 1998
Filing Date:
August 23, 1996
Export Citation:
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Assignee:
TOSHIBA CORP
TOSHIBA AVE KK
International Classes:
H04J4/00; H04L12/28; H04L12/46; H04N21/235; H04N21/437; (IPC1-7): H04N7/16; H04J4/00; H04L12/28; H04L12/46
Attorney, Agent or Firm:
伊藤 進



 
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