Drive circuit, vibrator device, electronic apparatus, and moving object

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9987662
APP PUB NO 20160271649A1
SERIAL NO

15070403

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Importance

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Abstract

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A drive circuit includes a circuit for feedback oscillation connected to a vibrator to form a feedback oscillation circuit and including a high-pass filter, an oscillation circuit that outputs a periodic signal, and a control circuit that controls whether or not the periodic signal output by the oscillation circuit is supplied to the circuit for feedback oscillation under a condition that the feedback oscillation circuit operates, and controls to bring a state between a first node as an output node and a second node grounded of the high-pass filter into a non-conduction state when the periodic signal is supplied to the circuit for feedback oscillation and bring the state between the first node and the second node into a conduction state when the periodic signal is not supplied to the circuit for feedback oscillation.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sato, Hideki Suwa, JP 265 3032

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