Semiconductor integrated circuit

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United States of America Patent

PATENT NO 9880211
SERIAL NO

15058757

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Abstract

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A semiconductor integrated circuit includes a harmonic oscillator circuit, a first switch circuit configured to cause an oscillating state of the harmonic oscillator circuit to switch between an “on” state and an “off” state, a detector circuit configured to produce a voltage responsive to an amplitude of the oscillating output of the harmonic oscillator circuit, a decision circuit configured to detect whether the voltage produced by the detector circuit exceeds a threshold in synchronization with a clock signal, and a second switch circuit configured to control whether or not to apply noise from a noise source to the harmonic oscillator circuit.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITED1-1 KAMIKODANAKA 4-CHOME NAKAHARA-KU KAWASAKI-SHI KANAGAWA 211-8588

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawano, Yoichi Setagaya, JP 45 168

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