Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2007-02-21
2011-12-27
Laxton, Gary L (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
Reexamination Certificate
active
08085023
ABSTRACT:
The control accuracy equal with the case controlled according to a reference signal with a high clock frequency when the electric power is converted is obtained according to a reference signal with a low clock frequency. The quantity of signal S3of the time that corresponds to the difference of EO in the output voltage to reference voltage EREF by circuit12of the generation of quantity of signal of time is generated synchronizing with reference timing signal S1. The phase generates the class of the phase-shift signal of n piece for which only [Cycle of S0/]
is late one by one by phase-shift signal generation circuit13, counter circuit14, and digital addition circuit15, these numbers are counted respectively, and the count value of n piece is added. The control signal S5that corresponds to TON between when adding value ADD is input with decision circuit16of on time of the switch element and control signal generation circuit17and it turns it on is generated.
REFERENCES:
patent: 5408064 (1995-04-01), Takahara
patent: A-62-079387 (1987-04-01), None
patent: A-05-249260 (1993-09-01), None
patent: A-2004-336852 (2004-11-01), None
Laxton Gary L
Nagasaki University, National University Corporation
Oliff & Berridg,e PLC
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