Pulse or digital communications – Systems using alternating or pulsating current
Patent
1995-03-13
1997-08-26
Chin, Stephen
Pulse or digital communications
Systems using alternating or pulsating current
375257, H04L 2700, H04B 300
Patent
active
056613733
ABSTRACT:
In a binary digital signal transmission system, a transmitter generates a binary digital signal including at least a rise portion where a level of the binary digital signal steeply rises in accordance with inputted binary digital data of a first value, and at least a fall portion where the level of the binary digital signal steeply falls in accordance with the inputted binary digital data of a second value, and then transmits the binary digital signal via a cable to a receiver. On the other hand, the receiver receives the transmitted binary digital signal, and first and second resonance circuits respectively have two resonance frequencies which are even multiples of each other, and extract first and second resonance signals respectively having resonance frequency components of the two resonance frequencies, from the received binary digital signal. Thereafter, a data discriminator discriminates a value of the binary digital data corresponding to the received binary digital signal based on a phase relationship between the extracted first and second resonance signals, and outputs either one of a pulse signal representing the first value and another pulse signal representing the second value.
REFERENCES:
patent: 4737970 (1988-04-01), Viola et al.
patent: 5058131 (1991-10-01), Thackr
Chin Stephen
Ghebretinsae T.
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