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특허 상세정보

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Battery protection circuit

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01M-010/44   
미국특허분류(USC) 320/5 ; 320/9 ; 320/40 ; 320/29
출원번호 US-0118633 (1993-09-10)
우선권정보 JP-0274946 (1992-09-17); JP-0274947 (1992-09-17)
발명자 / 주소
  • Eguchi Yasuhito (Kanagawa JPX) Okada Hitoshi (Chiba JPX) Murano Kanji (Tokyo JPX) Sanpei Akira (Fukushima JPX)
출원인 / 주소
  • Sony Corporation (Tokyo JPX 03)
인용정보 피인용 횟수 : 68  인용 특허 : 0
초록
▼

A battery protection circuit has a condition detecting circuit which detects a voltage across a secondary cell or cells and compares the detected voltage with a reference voltage to detect an overdischarged condition or an overcharged condition of the secondary cell or cells. A control unit controls a first switching element for cutting off a discharging current and a second switching element for cutting off a charging current based on a detected condition of the secondary cell or cells. A third switch element cuts off electric power supplied to the cond...

대표
청구항
▼

A battery protection circuit comprising: a secondary cell formed of a plurality of sub-cells that are connected in series with each other; condition detecting means connected to said secondary cell formed of said plurality of sub-cells for detecting a voltage across said secondary cell formed of said plurality of sub-cells and comparing the detected voltage with a reference voltage to detect an overdischarged condition or an overcharge condition of said secondary cell formed of said plurality of sub-cells; first switch means for cutting off a discharging...

이 특허를 인용한 특허 (68)

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