发明名称 |
VOLTAGE SUPPLY CIRCUIT AND MICROPHONE UNIT |
摘要 |
A voltage supply circuit includes a booster outputting a voltage boosted from a power supply voltage and an amplifier operating with a voltage output from the booster as a power supply and supplying a bias voltage to a sensor. An output voltage value of the booster that generates a power supply voltage of the amplifier is set according to a signal for specifying a sensitivity of the sensor. |
申请公布号 |
KR20060080892(A) |
申请公布日期 |
2006.07.11 |
申请号 |
KR20060001626 |
申请日期 |
2006.01.06 |
申请人 |
NEC ELECTRONICS CORPORATION |
发明人 |
NIWA FUMIYUKI;IDA MASAYUKI;KINOSHITA HIROSHIGE |
分类号 |
H04R3/00 |
主分类号 |
H04R3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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