Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate
2005-02-15
2005-02-15
Vu, Bao Q. (Department: 2838)
Electricity: power supply or regulation systems
In shunt with source or load
Using choke and switch across source
C323S285000
Reexamination Certificate
active
06856121
ABSTRACT:
A direct voltage/direct voltage converter comprising a switch-shaping circuit, a voltage-sensing device and a control device is provided. The direct voltage/direct voltage converter has several running modes. Through the control device, one of the running modes is selected to serve as a current operating mode. According to the current operating mode, the control device issues a switching signal for turning the switch-shaping circuit on or off.
REFERENCES:
patent: 5745352 (1998-04-01), Sandri et al.
patent: 6366070 (2002-04-01), Cooke et al.
patent: 6531854 (2003-03-01), Hwang
patent: 6657417 (2003-12-01), Hwang
Chou Chun-Yi
Tang Wing-Kai
Tsai Chao-chia
J.C. Patents
Novatek Microelectronics Corp.
Vu Bao Q.
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