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Battery impedance measurement apparatus

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61N-001/08   
미국특허분류(USC) 128/419PS ; 128/419PT
출원번호 US-0619519 (1990-11-29)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 105  인용 특허 : 0
초록
▼

A battery impedance measurement apparatus for battery powered implantable medical apparatus in which current source means and reference impedance means are selectively connected across the battery after it has been isolated from the medical apparatus, and the resulting currents of interest are digitized to provide a factor directly related to the value of the internal impedance of the battery. The digitized value may be telemetered out of the implanted medical apparatus to enable critical decisions to be made based on the remaining life of the implanted ...

대표
청구항
▼

In implantable electrical medical apparatus having telemetry means and battery means, battery impedance measurement apparatus comprising: a. means for selectively isolating said battery means from said medical apparatus; b. first circuit means selectively connectable in circuit with said battery means and including first current source means and reference impedance means; c. second circuit means selectively connectable in circuit with said battery means and including second current source means; d. control means for alternately connecting said first circ...

이 특허를 인용한 특허 피인용횟수: 105

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