| 发明名称 |
LED FORWARD VOLTAGE ESTIMATION IN PULSE OXIMETER. |
| 摘要 |
<p>An apparatus and method for determining if a forward voltage of an LED in a pulse oximeter is within a predetermined range. This is accomplished by measuring the current through the LED, and also by knowing the duty cycle of the pulse width modulator (PWM) drive signal to the LED.</p> |
| 申请公布号 |
MXPA06009752(A) |
申请公布日期 |
2007.03.15 |
| 申请号 |
MX2006PA09752 |
申请日期 |
2005.02.25 |
| 申请人 |
NELLCOR PURITAN BENNETT INCORPORATED. |
发明人 |
ETHAN PETERSEN;WILLIAM SHEA;BRADFORD B. CHEW |
| 分类号 |
A61B5/00;A61B5/024;H05B33/08 |
主分类号 |
A61B5/00 |
| 代理机构 |
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代理人 |
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