Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reexamination Certificate
2007-03-16
2010-11-30
Vu, Bao Q (Department: 2838)
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
C363S048000, C363S052000, C363S067000, C363S081000, C363S084000
Reexamination Certificate
active
07843709
ABSTRACT:
A rectifier circuit includes an input terminal that receives an alternating-current signal, a first rectifier circuit that generates a first direct-current voltage from the alternating-current signal, a bias-voltage generating circuit that generates a bias voltage from the first direct-current voltage, and a second rectifier circuit that generates a second direct-current voltage from the alternating-current signal biased with the bias voltage.
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Nakamoto et al, A Passive UHF RFID Tag LSI with 36.6% Efficiency CMOS-Only Rectifier and Current-Mode Demodulator in 0.35um FeRAM Technology, ISSCC 2006, Session 17, Digest of Technical Papers, pp. 310-311.
Otaka Shoji
Umeda Toshiyuki
Kabushiki Kaisha Toshiba
Tran Nguyen
Turocy & Watson LLP
Vu Bao Q
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