Pseudoperiodic logic signal generator

Details Pseudoperiodic logic signal generator Pseudoperiodic logic signal generator

2011-07-05

2011-07-05

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Igniting systems

For electric spark ignition

C361S253000

Reexamination Certificate

active

07974068

ABSTRACT:
A generator of a pseudoperiodic logic signal of mean period Tmeanincludes: a reference clock of period Tref, a logic memory, changing state on receipt of a pulse, a first mechanism producing a normal pulse on completion of a base time interval Tsec=K×Tref, with K an integer, a second mechanism producing a shifted pulse on completion of a modified time interval T′sec=(K±1)×Tref, and a selector capable of selecting the mechanism that produces the pulse, in such a way as to regularly include a shifted pulse so as to correct the mean period, to generate a pseudoperiodic signal. Such a generator may find application, as an example, to driving a resonator for producing a plasma spark for radiofrequency ignition.

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patent: 5828588 (1998-10-01), Grant
patent: 5954772 (1999-09-01), Akiyama et al.
patent: 1 515 408 (2005-03-01), None
patent: 9720268 (1997-06-01), None

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