Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1991-11-08
1993-03-30
Pascal, Robert J.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328 57, H03K 500
Patent
active
051987007
ABSTRACT:
An interface for current mode to Manchester encoded serial signals includes symmetric positive
egative doublet pulse generation. The doublet pulse generator provides a pulse duration held constant by feedback and a voltage/current reference and a minimal gap between the positive and negative polarity pulses by using the same signal to both turn off the positive pulse driver and turn on the negative pulse driver. Fault detection by sensing of asymmetry in received pulse uses a comparator with both high and low threshold input devices to provide minor asymmetry tolerance.
REFERENCES:
patent: 3673559 (1972-06-01), Schwartz
patent: 4529896 (1985-07-01), Grandguillot et al.
patent: 4615039 (1986-09-01), Li et al.
Dallas Semiconductor Corp.
Pascal Robert J.
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