Pulse width modulation (PWM) controlling module and method...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control

Reexamination Certificate

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Details

C327S176000, C327S031000, C327S035000, C327S036000, C327S037000, C375S238000

Reexamination Certificate

active

10907895

ABSTRACT:
A pulse width modulation (PWM) controlling module, includes: a PWM controller, a load detector, and an adjusting module. The PWM controller generates a PWM signal that is utilized for controlling a supply voltage applied to an electronic system. The load detector, coupled to the PWM controller, detects a load of the electronic system according to the PWM signal and generates a decision value accordingly. The adjusting module, coupled to the PWM controller and the load detector, controls the PWM controller to adjust the PWM signal according to the decision value.

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patent: 5442271 (1995-08-01), Hatanaka et al.
patent: 6049471 (2000-04-01), Korcharz et al.
patent: 6169680 (2001-01-01), Matsui et al.
patent: 6836415 (2004-12-01), Yang et al.
patent: 270255 (1996-02-01), None

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