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특허 상세정보

Method and apparatus for battery depletion monitoring

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61N-001/08   
미국특허분류(USC) 607/29 ; 324/430
출원번호 US-0014296 (1993-02-05)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 94  인용 특허 : 0
초록

A method and apparatus for estimating the remaining capacity of a lithium-iodine battery through the nomographic analysis of two or more measurements of battery impedance. In a preferred embodiment, a pacemaker or other implantable medical device is provided with circuitry for periodically measuring the internal impedance of its battery. Each measurement of impedance is stored along with an indication of when such measurement was made. Nomographic analysis, based upon the rated capacity of the battery and the expected internal impedance at various stages...

대표
청구항

A system for determining longevity of an implantable device battery, comprising: an implantable device housing containing a battery; an impedance measurement circuit for generating impedance signals corresponding to measured impedances of said battery; means for generating time values corresponding to times of generation of said impedance signals; and means for calculating estimated battery longevity based upon said impedance signals and said time values.

이 특허를 인용한 특허 피인용횟수: 94

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