Apparatus and method for safely handling asychronous...

Details Apparatus and method for safely handling asychronous... Apparatus and method for safely handling asychronous...

2005-08-02

2005-08-02

Tse, Young T. (Department: 2637)

Pulse or digital communications

Pulse width modulation

C370S212000, C329S312000, C330S010000, C332S109000

Reexamination Certificate

active

06925115

ABSTRACT:
An apparatus and method for safely handling asynchronous shutdown of pulsewidth modulated output. A shutdown circuit controls asynchronous shutdown of a pulsewidth modulated stage to ensure that pulsewidth modulated signals of less duration than a minimum period does not occur at transition edges of the pulsewidth modulated signal, in which such short pulses may affect the proper operation of output circuitry.

REFERENCES:
patent: 4528486 (1985-07-01), Flaig et al.
patent: 5617058 (1997-04-01), Adrian et al.
patent: 5675297 (1997-10-01), Gose et al.
patent: 6107876 (2000-08-01), O'Brien
patent: 6853325 (2005-02-01), Arizumi et al.

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