Oscillator

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12212282
APP PUB NO 20230268884A1
SERIAL NO

18171405

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An oscillator includes: a resonator element; an oscillation circuit configured to oscillate the resonator element and generate a clock signal; a first temperature sensor; a digital control circuit configured to operate based on the clock signal and output a control signal based on a temperature detected by the first temperature sensor; a temperature control circuit configured to output a control voltage based on the control signal; a temperature control element configured to control a temperature of the resonator element based on the control voltage; a second temperature sensor; and a second temperature sensor monitoring circuit including an analog circuit and configured to monitor a temperature detected by the second temperature sensor. The temperature control circuit stops a supply of the control voltage to the temperature control element when an abnormality in the temperatures of the first temperature sensor and the second temperature sensor is detected.

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Patent Owner(s)

Patent OwnerAddress
SEIKO EPSON CORPORATION1-6 SHINJUKU 4-CHOME SHINJUKU-KU TOKYO 160-8801

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Seo, Kentaro Shiojiri, JP 12 45

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