Voltage controlled oscillator, semiconductor device, and electronic device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9397637
SERIAL NO

14635117

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Abstract

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A low-power voltage controlled oscillator is provided. The voltage controlled oscillator includes (2n+1) first circuit components (n is an integer of one or more). An output terminal of the first circuit component in a k-th stage (k is an integer of one or more and 2n or less) is connected to an input terminal of the first circuit component in a (k+1)-th stage. An output terminal of the first circuit component in a (2n+1)-th stage is connected to an input terminal of the first circuit component in a first stage. One of the first circuit components includes a second circuit component and a third circuit component whose input terminal is connected to an output terminal of the second circuit component. The third circuit component includes a first transistor and a second transistor whose source-drain resistance is controlled in accordance with a signal input to a gate through the first transistor.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR ENERGY LABORATORY CO LTD398 HASE ATSUGI-SHI KANAGAWA-KEN 243-0036

International Classification(s)

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  • 2015 Application Filing Year
  • H03L Class
  • 642 Applications Filed
  • 583 Patents Issued To-Date
  • 90.81 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Takayuki Kanagawa, JP 407 4724
Kozuma, Munehiro Kanagawa, JP 133 1178
Kurokawa, Yoshiyuki Kanagawa, JP 540 7744

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Patent Citation Ranking

  • 7 Citation Count
  • H03L Class
  • 9.04 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges453338016154211101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 90100 +020406080100120140160180200220240260280300320340360

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