Method for data transmission over an internal bus of a workstati

Details Method for data transmission over an internal bus of a workstati Method for data transmission over an internal bus of a workstati

1993-10-22

1994-12-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 92, 395200, H04J 302, H04L 1240

Patent

active

053717406

ABSTRACT:
A method of data transmission over an internal bus of a workstation, effecting communication of an interface coupler and a telephone line and devices adapted for various communication functions. The method employs the synchronization signal of a voice network to define 125-microsecond communication frames. Included in each 125-microsecond frame thus defined are a maximum of eight variable-length subframes corresponding to a maximum of eight devices. The first two bytes of each subframe are header bytes. Coded in the header bytes of each subframe are a device destination address, and length codes indicating the number of bytes of data included in the subframe and the number of active bits in the last byte.

REFERENCES:
patent: 4697263 (1987-09-01), Beaufoy
patent: 4737950 (1988-04-01), Fechalos
patent: 4912704 (1990-03-01), Bonicioli et al.
patent: 5195089 (1993-03-01), Sindhu et al.

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