|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||702/058; 324/433; 320/132; 320/136; 702/063|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 11 인용 특허 : 37|
Abnormal battery depletion can be detected in an implantable medical device. Battery capacity consumed can be measured using a coulometer and using a capacity-by-voltage device, and the measurements can be blended to determine battery status. A drop in battery voltage below a specified threshold can be detected to identify a high-current depletion fault, and an alarm can be provided to indicate the fault has been detected. The specified threshold can be determined as a function of battery capacity consumed. Other aspects and embodiments are provided here...
1. A system, comprising: a coulometer configured to measure battery capacity;a capacity-by-voltage device configured to use a sensed battery voltage to measure battery capacity;a controller, coupled to the coulometer and the capacity-by-voltage device, the controller configured to combine the measurements from the coulometer and the capacity-by-voltage device, using a weighted average of both of the measurements to determine battery capacity consumed, wherein a weight of each measurement in the weighted average is based on capacity remaining of the batte...