Pulse or digital communications – Repeaters – Testing
Patent
1982-06-16
1987-02-17
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
375 20, 375 23, 375121, H04L 2549
Patent
active
046445633
ABSTRACT:
For transmitting binary data at a data transmission speed of F=1/[(N+1)T] bits/second, where N represents a value selected in accordance with a given transmission speed and T represents a predetermined constant period, a transmitter station sends out a bipolar signal on a transmission line for the period T (seconds) corresponding to one of the states of the binary data independent of the data transmission speed, while no data is sent out on the transmission speed, while no data is sent out on the transmission line for the period NT (seconds) as well as for a period corresponding to the other state of the binary data. In a receiving station, the binary states of the data are discriminatively determined from the bipolar signal received through the transmission line in accordance with the data transmission speed F, the data being converted to a unipolar signal such as NRZ signal.
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Ohishi Shiro
Shinozaki Masatsugu
Hitachi , Ltd.
Safourek Benedict V.
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