Communications system and a system control method

Details Communications system and a system control method Communications system and a system control method

1992-03-19

1994-08-23

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082525, 34082557, 34082562, 34082565, 370 8511, G08C 1916

Patent

active

053411315

ABSTRACT:
In a communications system having a plurality of stations interconnected by a two-line circuit, in which the two-line circuit consists of a data bus circuit for transmitting a series of data bits between at least one sending station and at least one receiving station of the plurality of stations and a clock bus circuit for transmitting clock signals in synchronism with each of the data bits; the data bus circuit sends a signal or a command requesting the receiving station to enter a standby or an execute state after taking in data supplied, while a logic value on the clock bus circuit is fixed. In more detail, the sending station transmits signals to make at least one of the receiving stations enter the standby state after taking in data and then sends data to another receiving station, after which the sending station sends a signal or command to make both the first and second receiving stations simultaneously enter the execute state. The signal or command requesting the standby or execute state is added at the end of a data packet containing a series of data. The data packet includes data to be transferred to the receiving station and an address of the receiving station.

REFERENCES:
patent: 3588709 (1971-06-01), Hoyler
patent: 4156112 (1979-05-01), Moreland
patent: 4689740 (1987-08-01), Moelands et al.

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