Electricity: power supply or regulation systems – In shunt with source or load – Using a three or more terminal semiconductive device
Reexamination Certificate
2007-04-03
2007-04-03
Riley, Shawn (Department: 2838)
Electricity: power supply or regulation systems
In shunt with source or load
Using a three or more terminal semiconductive device
C323S280000, C323S281000, C323S269000
Reexamination Certificate
active
10554523
ABSTRACT:
In a converter device, an N-type FET is connected in series between an input terminal and an output terminal and an N-type FET is connected between the side of the output terminal of the N-type FET1and a ground terminal. A smoothing circuit and a comparator circuit are connected to the side of the output terminal of the circuits. The output side of the comparator circuit is connected to an H/S driver circuit controlling the N-type FET1through an inverter and directly connected to an L/S driver circuit controlling the N-type FET2. A reference voltage correction circuit is included in the comparator circuit, and the comparator circuit outputs an appropriate switching control signal by comparing a correction reference voltage, obtained through comparison of a divider voltage in accordance with the time average value of an output voltage with a reference voltage, with the divider voltage.
REFERENCES:
patent: 7098639 (2006-08-01), Natsume et al.
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patent: 2003-009518 (2003-01-01), None
patent: 2003-235247 (2003-08-01), None
Keating & Bennett LLP
Murata Manufacturing Co. Ltd.
Riley Shawn
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