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특허 상세정보

Electronic monitoring unit for monitoring number of uses of cartridge

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-035/143    B67D-005/22   
미국특허분류(USC) 210/87 ; 206/51 ; 210/282 ; 222/23
출원번호 US-0920413 (1992-07-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 138  인용 특허 : 0
초록

A self-contained electronic monitoring unit for attachment to a device, such as a water filter, designed to be used until the occurrence of a predetermined event such as a predetermined number of uses, includes transducer for providing distinct outputs such as different audio output signals. A programmed integrated circuit and use detecting means such as electrical contacts detect each use of the device and monitor when the device is operational, when the end of life event is imminent and has occurred. The integrated circuit is programmed to operate the ...

대표
청구항

In a self contained electronic monitoring unit for monitoring and informing a user of the status of a cartridge designed to be used for a predetermined number of fills of a liquid container, the combination comprising: signaling means for providing at least first and second distinct human detectable output signals; use monitoring means for monitoring each use of a cartridge including liquid sensing means for sensing the presence of liquid during each time a container associated is filled with the cartridge and a pre-programmed integrated circuit responsi...

이 특허를 인용한 특허 피인용횟수: 138

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