Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1991-09-12
1993-01-12
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307269, H03K 526
Patent
active
051793490
ABSTRACT:
A start coincidence circuit of asynchronous signals has a short route in the synchronous control unit and operable at 10 ns (100 MHz). The start coincidence circuit of asynchronous signal employs a synchronous control unit (4) comprising a gate (11) for receiving a reference signal (6A), an FF (12) for receiving a synchronous signal (5), an FF (13) for receiving the synchronous signal (5) and an output of the gate (11), an FF (14) for receiving an output of the FF (12) and and a reference signal (6B), an FF (15) for receiving an output of the FF (12) and the reference signal (6B), a delay circuit (16) for receiving an output of the FF (13) and a gate (17) for receiving the output of the gate (11), an output of the delay circuit (16) and an output of the FF (15) supplying an output to R terminals of the FF (12), the FF (14) and the FF (15).
REFERENCES:
patent: 3420989 (1969-01-01), Sapp
patent: 4730347 (1988-03-01), Paul
patent: 4745302 (1988-05-01), Hanawa et al.
patent: 4797574 (1989-01-01), Okubo et al.
patent: 5028813 (1991-07-01), Hauck et al.
patent: 5058140 (1991-10-01), Johnson
Ando Electric Co. Ltd.
Heyman John S.
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