Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-01-31
1978-03-07
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328118, 328150, 307209, 307261, 307351, H03K 500, H03K 5156
Patent
active
040782042
ABSTRACT:
The disclosure relates to a control means for converting serially transmitted di-phase data bits into parallel data bits having corresponding discrete logic levels. The control means of the present invention is adapted for use in a di-phase pulse receiving system of the type which includes a positive peak detector for providing a first pulse upon detecting a positive di-phase signal portion and a negative peak detector for providing a second pulse upon detecting a negative di-phase signal portion. The control means comprises a first set means coupled to the positive peak detector and responsive to the first pulses for being set upon the detection of a positive di-phase signal portion, a second set means coupled to the negative peak detector and responsive to the second pulses for being set upon the detection of a negative di-phase signal portion, and a shift register means having a first input coupled to the first set means, a second input coupled to the second set means, a clock input coupled to the positive detector for being clocked by the trailing edge of the first pulses, and a plurality of parallel outputs. The shift register means is responsive to the coincidence of the first and second set means being set upon being clocked to thereby shift a first logic level to the parallel output and is responsive to only the first set means being set upon being clocked to thereby shift a second logic level to the parallel output.
REFERENCES:
patent: 3244986 (1966-04-01), Rumble
patent: 3610982 (1971-10-01), Rall
patent: 3820031 (1974-06-01), Smithlin
patent: 3969677 (1976-07-01), Woyton
GTE Automatic Electric (Canada) Limited
Heyman John S.
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