[특허]Computer-controlled uninterruptible power supply

Computer-controlled uninterruptible power supply 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-007/00 H02M-003/335
출원번호	US-0771781 (1991-10-01)
발명자 / 주소	McCurry Patrick W. (Keizer OR) Kellogg James R. (Medford OR) Boekelheide Karl (Tigard OR) Sexton Kenneth D. (Salem OR) Ellison George A. (Salem OR) Hocker Robert A. (Molalla OR)
출원인 / 주소	Elegant Design Solutions, Inc. (Salem OR 02)
인용정보	피인용 횟수 : 84 인용 특허 : 0

초록 ▼

A computer-controlled, uninterruptible power supply system is disclosed. The system selectively operates from more than one input source of power, e.g. an AC line input, an external DC input and internal batteries. The system is of the type which utilizes one or more switch mode converters and is well suited for use in computer systems. The switch mode regulator has a PWM clock signal and provides a PWM drive signal. The PWM clock signal frequency is substantially greater than the PWM drive signal frequency. Transferring between the DC power sources is done in a manner substantially transparent to the regulator and the load, generally as follows. A signal indicating a transfer to a selected one of the DC power sources is gated in response to the PWM clock signal to form a first logic signal that is synchronized to the PWM clock signal. The first logic signal is gated in response to the PWM drive signal so as to form a second logic signal that is further synchronized to the PWM drive signal. Finally, the PWM drive signal is gated to a selected switching circuit responsive to the second logic signal, so that transfers between the DC power sources are fully synchronized to the PWM clock signal and to the PWM drive signal.

대표청구항 ▼

A power supply system comprising: DC input means for providing a DC power signal to the system: means for rectifying an ac power signal, when one is supplied to said system, and providing a rectified signal; first regulating means for regulating said rectified signal and providing a first regulated DC signal, said first regulating means including a first switch mode regulator; second regulating means for regulating a DC signal and providing a second regulated DC signal, said second regulating means including a second switch mode regulator having a switching frequency; control means for causing either said DC power signal or said first regulated signal, when both said DC power signal and said AC power signal are supplied and one of them when only one of them is supplied, to be coupled to the second regulating means; said control means being settable to cause a preselected one of said DC power signal and said first regulated signal to be coupled to said second regulating means when both said DC power signal and said AC power signal are supplied.

이 특허를 인용한 특허 (84)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Computer-controlled uninterruptible power supply 원문보기

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Computer-controlled uninterruptible power supply 원문보기

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