Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1988-10-27
1990-02-13
George, Keith E.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
375 36, 375 60, H04M 1100
Patent
active
049013424
ABSTRACT:
A system for connecting a plurality of computers and computer peripherals into a network using two unshielded lines of the type included in a telephone cable. A floating ground isolation circuit is used to aid suppression of non-zero static voltages and voltage surges.
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Tadao Saito et al., Local Digital Telephone System on Two-Way Cable Television, North Holland Computer Networks and ISDN Systems, 12, (1986), pp. 11-25.
William Ross, "Making the Data Connection with Twisted-Pair Cable", Telecommunications, vol. 20, No. 9, Sep. 1986, pp. 154, 156, 158, 160.
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