发明名称 |
Efficient battery transfer circuit |
摘要 |
<p>The present invention is a battery transfer circuit connected to a load, a power supply for powering the load with at least a minimum supply voltage during normal operating conditions, and a source of battery voltage for powering the load during a power fail condition when the power supply is unable to power said load at the minimum supply voltage. The battery transfer circuit comprises a first circuit for applying at least the minimum supply voltage to the load during normal operating conditions and a second circuit for charging the battery to an optimal voltage greater than the minimum supply voltage and for down-regulating the optimal charge voltage to a predetermined voltage and for applying the predetermined voltage to the load during the power fail condition, wherein the predetermined voltage is less than the minimum supply voltage.</p> |
申请公布号 |
GB2363919(B) |
申请公布日期 |
2004.07.14 |
申请号 |
GB20000015152 |
申请日期 |
2000.06.22 |
申请人 |
* MITEL CORPORATION;* MITEL KNOWLEDGE CORPORATION |
发明人 |
CHRISTOPHER GRAHAM * LUCAS;SCOTT RICHARD * BURTON |
分类号 |
G06F1/26;G06F1/30;G11C5/14;H02J9/06;(IPC1-7):H02J7/00 |
主分类号 |
G06F1/26 |
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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