Non-retriggerable one-shot circuit

Details Non-retriggerable one-shot circuit Non-retriggerable one-shot circuit

1992-08-03

1994-07-19

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307352, 307261, 307359, 307265, 328 36, H03K 3284

Patent

active

053312082

ABSTRACT:
A non-retriggerable one-shot circuit for extracting information representative of a clock having a period T from a sequence of input pulses such that the interval between two consecutive input pulses is either T or T/2 comprises a frequency detector for developing a reference voltage dependent on T, an interval measurement circuit connected to receive the input pulses and developing a voltage dependent on the time that has elapsed since receiving an input pulse, a comparator for comparing the voltage developed by the interval measurement circuit with the reference voltage and providing an output pulse when a predetermined relationship exists therebetween, and an enabling device connected between the input terminal and the interval measurement circuit and responsive to an output pulse for allowing a pulse received at the input terminal to be communicated to the interval measurement circuit.

REFERENCES:
patent: 3883756 (1975-05-01), Dragon
patent: 4207539 (1980-06-01), Minakuchi
patent: 4301422 (1981-11-01), Minakuchi
patent: 4320527 (1982-03-01), Takasaki
patent: 4994687 (1991-02-01), Fujii et al.
patent: 5086237 (1992-02-01), Matsumoto
patent: 5276664 (1994-01-01), Shikunami

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