发明名称 |
Voltage supply circuit and microphone unit comprising the same |
摘要 |
A voltage supply circuit comprises a voltage control circuit for outputting a bias voltage control signal according to a set value based on a bias voltage of a sensor and a voltage generation circuit for generating the bias voltage to be applied to the sensor based on the bias voltage control signal.
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申请公布号 |
US8041056(B2) |
申请公布日期 |
2011.10.18 |
申请号 |
US20050203968 |
申请日期 |
2005.08.16 |
申请人 |
RENESAS ELECTRONICS CORPORATION |
发明人 |
KINOSHITA HIROSHIGE |
分类号 |
H04R3/00;G06F7/556;G06G7/24 |
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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