Oscillation circuit, oscillator, electronic device, mobile object, and oscillator manufacturing method

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United States of America Patent

PATENT NO 9306580
APP PUB NO 20150123743A1
SERIAL NO

14533477

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An oscillation circuit includes a circuit for frequency adjustment, a variable capacity control circuit in which a voltage to be output therefrom is controlled with either a voltage which is input from a terminal T1 or a voltage other than the voltage which is input from the terminal T1, a circuit for oscillation which is provided with a varactor and to which a signal from the circuit for frequency adjustment and a signal from the variable capacity control circuit are input, and a three-terminal switch which outputs the voltage which is input from the terminal T1 to either the circuit for frequency adjustment or the variable capacity control circuit.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kiyohara, Atsushi Chino, JP 12 101

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