Electrical transmission or interconnection systems – Miscellaneous systems
Reexamination Certificate
2008-09-16
2008-09-16
Riley, Shawn (Department: 2838)
Electrical transmission or interconnection systems
Miscellaneous systems
C180S065310, C180S065800, C477S007000
Reexamination Certificate
active
10555175
ABSTRACT:
A voltage conversion device includes a forward direction conversion circuit for converting an input voltage from a DC power source into a desired output voltage by adjusting a duty ratio of semiconductor element switching. The device further includes a control section that controls the duty ratio according to at least a target output voltage and an output voltage so that the output voltage approaches the target output voltage. Based on an operational value of the control section, it is judged whether a failure has occurred. Thus, it is possible to judge whether a failure has occurred without constituting a dual system.
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Riley Shawn
Toyota Jidosha & Kabushiki Kaisha
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