[특허]Consumable supply item

Consumable supply item 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B41J-002/175
출원번호	US-0828018 (2015-08-17)
등록번호	US-9895899 (2018-02-20)
발명자 / 주소	Nicholson, Marvin McReynolds, Jason Muyskens, Robert Doerre, Mark Robbins, Ricky Ward, David
출원인 / 주소	Funai Electric Co., Ltd.
대리인 / 주소	Amster, Rothstein & Ebenstein, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 44

초록 ▼

A consumable supply item for an imaging device holds an initial or refillable volume of ink. A housing defines an interior having a pair of opposed electrodes. The electrodes have a capacitance that varies in response to an amount of liquid between them. A controller energizes one electrode and receives an output reading from the other. The controller processes the reading on board the housing and supplies it as a digital data stream to the imaging device during use. A memory stores calibration values for an empty and full housing. The controller writes back to the memory present fluid levels obtained from the output reading of the electrode. An enable output allows operation or not of a fluid pump in the imaging device. Materials, construction, modularity, and fluid communication ports are further embodiments, to name a few.

대표청구항 ▼

1. A consumable supply item, comprising: a housing defining an interior that retains a volume of liquid and that comprises an opening;a cover piece that blocks the opening;a controller on the cover piece;a pair of opposed electrodes disposed within the housing and having a capacitance that varies in response to an amount of liquid existing between the opposed electrodes, each electrode of the pair of opposed electrodes comprising: a first element that protrudes from a front surface of the cover piece and that is electrically connected to the controller; andat least one second element that is attached to the cover piece and that protrudes from the front surface of the cover piece; andwherein the controller: electrically energizes one electrode of the pair of opposed electrodes and obtains an output reading from the other electrode of the pair of opposed electrodes that corresponds to a liquid level;upon the condition that the output reading is a first reading, determines a value of the output reading as corresponding to a preset liquid level; andupon the condition that the output reading is a second or later reading, determines a value of the output reading relative to a prior determined value of the output reading as corresponding to a liquid level that is depleting, increasing, maintaining a level or empty. 2. The supply item of claim 1, wherein the controller disables a pump enable output depending on the determination of the value of the output reading relative to a prior determined value. 3. The supply item of claim 1, wherein the controller determines whether the value of the output reading is increased relative to a prior determined value upon the condition that the controller determines that the value of the output reading is not decreased relative to a prior determined value. 4. The supply item of claim 3, wherein the controller disables a pump enable output upon the condition that the controller determines that the value of the output reading is increased relative to a prior determined value. 5. The supply item of claim 4, wherein the controller determines that the value of the output reading is increased upon the condition that the output reading is increased beyond a prior determined value by a predefined margin. 6. The supply item of claim 1, wherein the controller determines whether the consumable supply item is empty of liquid upon the condition that the controller determines that the value of the output reading is decreased relative to a prior determined value. 7. The supply item of claim 6, wherein the controller disables a pump enable output upon the condition that the controller determines that the consumable supply item is empty of liquid. 8. The supply item of claim 7, wherein the controller determines that the consumable supply item is empty of liquid upon the condition that the value of the output reading is within a predefined margin of a value of an output reading determined to correspond to an empty liquid level. 9. The supply item of claim 1, wherein the controller logs the value of the output reading as a current output reading depending on the determination of the value of the output reading relative to a prior determined value. 10. The supply item of claim 1, wherein the controller logs the value of the output reading as a current output reading upon the condition that the controller determines that the value of the output reading is not increased relative to a prior determined value. 11. The supply item of claim 10, wherein the controller determines that the value of the output reading is not increased upon the condition that the output reading is not increased beyond a prior determined value by a predefined margin. 12. The supply item of claim 1, wherein the controller determines whether the consumable supply item is empty of liquid upon the condition that the controller determines that the value of the output reading is decreased relative to a prior determined value. 13. The supply item of claim 12, wherein the controller logs the value of the output reading as a current value upon the condition that the controller determines that the consumable supply item is not empty of liquid. 14. The supply item of claim 12, wherein the controller determines that the consumable supply item is not empty of liquid upon the condition that the value of the output reading is not within a predefined margin of a value of an output reading determined to correspond to an empty liquid level. 15. A method comprising: electrically energizing one electrode of a pair of opposed electrodes, the pair of opposed electrodes disposed within a consumable supply item for an imaging device and having a capacitance that varies in response to an amount of liquid existing within the consumable supply item, each electrode of the pair of opposed electrodes comprising: a first element that protrudes from a front surface of a cover piece on the consumable supply item and that is electrically connected to a controller configured to electrically energize at least one of the pair of opposed electrodes; andat least one second element that is attached to the cover piece and that protrudes from the front surface of the cover piece;obtaining an output reading from the other electrode of the pair of opposed electrodes that corresponds to a liquid level;upon the condition that the output reading is a first reading, determining a value of the output reading as corresponding to a preset liquid level; andupon the condition that the output reading is a second or later reading, determining a value of the output reading relative to a prior determined value of the output reading as corresponding to a liquid level that is depleting, increasing, maintaining a level or empty. 16. The method of claim 15, further comprising the step of disabling a pump enable output depending on the determination of the value of the output reading relative to a prior determined value. 17. The method of claim 15, further comprising the step of logging the value of the output reading as a current output reading depending on the determination of the value of the output reading relative to a prior determined value.

이 특허에 인용된 특허 (44)

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Battey Robert L. ; Bullock Michael L. ; Barinaga John A. ; Clark James E. ; Underwood John A. ; Gast Paul David,ESX ; Hmelar Susan M. ; Merrill David O., Electrical and fluidic interface for an ink supply.
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Adamski Joseph R. (Sudbury MA) Coates Donald A. (Green Lake WI), Fluid level sensor and controller.
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Murad George, Ink circulation system.
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Tsukada, Kenji; Kanaya, Munehide, Ink consumption detecting method, and ink jet recording apparatus.
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Bret Taylor ; Jefferson P. Ward, Ink container with ink level gauge.
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Morandotti Roberto (Mercenasco ITX) Scardovi Alessandro (Ivrea ITX), Ink detecting device for a liquid-ink printing element.
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Cowger Bruce ; Gasvoda Eric, Ink jet cartridge with ink level detection.
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Crockett, Dennis; Hudd, Alan L.; Evans, Christopher M., Inkjet printing device for inks containing a high loading of pigment and inkjet printing process utilizing said device.
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Miller Gary L. ; Williams Kenneth R., Limited access needle/septum ink-supply interface mechanism.
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McDonald Charles W. (Gallatin TN), Liquid level sensing device and methods of making an operating the same.
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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

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