[특허]Transceiver with battery saver and method of using same

Transceiver with battery saver and method of using same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-001/40
출원번호	US-0462715 (1990-01-09)
발명자 / 주소	Hewitt Robert M. (Fort Lauderdale FL)
출원인 / 주소	Southern Marine Research, Inc. (Miami FL 02)
인용정보	피인용 횟수 : 77 인용 특허 : 0

초록 ▼

A portable transceiver has a battery saving feature which includes a timer, circuit which automatically cuts off the power supply to the receiver and transmitter for relatively long intervals and periodically turns on the power supply for relatively short intevals to check for transmission or receiver signals. If such signals are detected, the power supply continues to supply powers to the receiver and transmitter for the duration of the signals and for a short period thereafter. The transceiver also includes a batter voltage detection circuit which will cut off the battery power supply if the battery has discharge to a predetermined level , and which can be overridden in any emergency. The power supply is conveniently controlled by a pass device which must receive “operate”signals from both the timer circuit and the battery voltage detection circuit.

대표청구항 ▼

In a transceiver, the combination comprising: (a) a battery; (b) a transmitter; (c) a receiver; (d) switch means connected between said battery and said transmitter and receiver; (e) switch actuating means operative to operate said switch means between “on”and “off”condition; (f) circuit means connecting said battery to said transmitter and receiver through said switch means; and (g) a timer circuit connected to said receiver and transmitter and operative to transmit an actuation signal to said switch actuating means upon receipt on said receiver of a signal or during operation of said transmitter and to disable said switch actuating means and thereby maintain said switch means in an “off”condition during other periods to cut of power supply to said receiver and transmitter, said disabling being periodically interrupted for short intervals to provide power to said receiver and transmitter for such short intervals, said timer circuit enabling continued power supply through said switch means if an enabling signal is received by said receiver or said transmitter is operated a said timer circuit including timing means providing three timing periods comprising a sleep timer circuit having two timing periods, comprising (i) a relatively long duration “off”period in which said switch actuation means is disabled, (ii) a relatively short duration “on”period in which an actuation signal is provided to said switch actuation means to monitor said receiver to determine the existence of a signal to enable continued power supply, and a second timer having a third timing period comprising (iii) a relatively long “standby”period following termination of a transmission on said transmitter for receipt of a response on said receiver.

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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

Transceiver with battery saver and method of using same 원문보기

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Transceiver with battery saver and method of using same 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (77)

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