Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Particular stable state circuit
Reexamination Certificate
2011-08-23
2011-08-23
Nguyen, Hai L (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Particular stable state circuit
C327S143000
Reexamination Certificate
active
08004333
ABSTRACT:
A controller which has functions of remote control, multiple protection and PWM inside. The controller can shut down and latch the converter, when a failure happens (such as under voltage and over voltage of output, and over power protection). But, under-voltage and over-power protection will also happen when Vin is decreased by AC interruption or Vin source is removed. This invention is to provide a method to reset the latch protection by detecting Vin and Vo voltage.
REFERENCES:
patent: 5485111 (1996-01-01), Tanimoto
patent: 6621311 (2003-09-01), Jeon
patent: 6690220 (2004-02-01), Kuboshima et al.
patent: 7453295 (2008-11-01), Hotaka
patent: 7675331 (2010-03-01), Jung
Huang Pei-Lun
Lin Tzu-Chen
Bacon & Thomas PLLC
Nguyen Hai L
Richtek Technology Corporation
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