Current source for rapid switching and reduced oscillatory transients

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5854569
SERIAL NO

08890027

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Abstract

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A current source and a semiconductor integrated circuit device for suppressing fluctuations occured in an output current of current sources composed MOS transistors for switching. A back gate voltage of MOS transistors M1, M3 for switching connected in series to a constant current generator 9 is supplied through a power source line 5d independent of a power source line 4d which supplies a driving voltage. The stabilization of the back gate voltage leads the operation of the MOS transistors M1, M3 to be stabilized, thereby suppressing the fluctuations occured in the output currents I.sub.out and I.sub.out current sources.

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Patent Owner(s)

Patent OwnerAddress
M & R PRINTING EQUIPMENT INC1 NORTH 372 MAIN STREET GLEN ELLYN IL 60137

International Classification(s)

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  • 1997 Application Filing Year
  • G05F Class
  • 506 Applications Filed
  • 320 Patents Issued To-Date
  • 63.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances1997199819992000200120020255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kohno, Hiroyuki Itami, JP 13 111
Miki, Takahiro Itami, JP 124 977
Nakamura, Yasuyuki Itami, JP 63 678

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Patent Citation Ranking

  • 12 Citation Count
  • G05F Class
  • 55.96 % this patent is cited more than
  • 27 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2592498411101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8005101520253035404550556065

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