DE69016951T2 - System zur Bestimmung der Tonerfüllhöhe. - Google Patents
System zur Bestimmung der Tonerfüllhöhe.Info
- Publication number
- DE69016951T2 DE69016951T2 DE69016951T DE69016951T DE69016951T2 DE 69016951 T2 DE69016951 T2 DE 69016951T2 DE 69016951 T DE69016951 T DE 69016951T DE 69016951 T DE69016951 T DE 69016951T DE 69016951 T2 DE69016951 T2 DE 69016951T2
- Authority
- DE
- Germany
- Prior art keywords
- toner
- determining
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/38—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using magnetically actuated indicating means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0856—Detection or control means for the developer level
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0856—Detection or control means for the developer level
- G03G15/0858—Detection or control means for the developer level the level being measured by mechanical means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S222/00—Dispensing
- Y10S222/01—Xerography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/445,071 US4989754A (en) | 1989-11-30 | 1989-11-30 | Toner level detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69016951D1 DE69016951D1 (de) | 1995-03-23 |
DE69016951T2 true DE69016951T2 (de) | 1995-08-24 |
Family
ID=23767498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69016951T Expired - Fee Related DE69016951T2 (de) | 1989-11-30 | 1990-11-29 | System zur Bestimmung der Tonerfüllhöhe. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4989754A (de) |
EP (1) | EP0430690B1 (de) |
JP (1) | JPH03269462A (de) |
DE (1) | DE69016951T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2837973B2 (ja) * | 1991-07-04 | 1998-12-16 | 沖電気工業株式会社 | トナー残量検知機構 |
US5156048A (en) * | 1991-12-17 | 1992-10-20 | Pitney Bowes Inc. | Electronic/magnetic apparatus and method for detecting fluid level |
US5428427A (en) * | 1992-12-14 | 1995-06-27 | Samsung Electronics Co., Ltd. | Device for detecting toner used in an electrophotography machine |
JP3518616B2 (ja) * | 1993-10-22 | 2004-04-12 | 富士ゼロックス株式会社 | トナーエンプティ検出方法及びその装置 |
US5634169A (en) * | 1996-02-16 | 1997-05-27 | Lexmark International, Inc. | Multiple function encoder wheel for cartridges utilized in an electrophotographic output device |
US5995772A (en) * | 1996-02-16 | 1999-11-30 | Lexmark International Inc. | Imaging apparatus cartridge including an encoded device |
BR9700989C1 (pt) | 1996-02-16 | 2000-04-25 | Lexmark Int Inc | Cartucho para uma máquinas eletrofotográfica |
US5779097A (en) * | 1996-05-14 | 1998-07-14 | Delaware Capital Formation, Inc. | Vapor recovery system with integrated monitoring unit |
US5805952A (en) * | 1997-02-06 | 1998-09-08 | Xerox Corporation | Imaging material detection in a magnetic window cleaning dispensing container |
US5987269A (en) * | 1998-02-13 | 1999-11-16 | Hewlett-Packard Company | Toner quantity measuring technique in an electrophotographic printer |
US6128448A (en) * | 1998-12-03 | 2000-10-03 | Hewlett-Packard Company | Method and apparatus for toner level monitoring and motion sensing |
US6418283B1 (en) * | 2000-10-02 | 2002-07-09 | Xerox Corporation | Communications cartridge |
US6962078B2 (en) * | 2002-12-24 | 2005-11-08 | Lexmark International, Inc. | Liquid level detection gauge and associated methods |
US7231153B2 (en) * | 2005-01-13 | 2007-06-12 | Xerox Corporation | Systems and methods for monitoring replaceable units |
US8068748B2 (en) * | 2008-04-16 | 2011-11-29 | Xerox Corporation | Methods and systems for sensing an amount of material in a toner cartridge |
JP5359537B2 (ja) * | 2009-05-08 | 2013-12-04 | コニカミノルタ株式会社 | 粉体残量検知装置 |
US8989611B2 (en) | 2012-12-18 | 2015-03-24 | Lexmark International, Inc. | Replaceable unit for an image forming device having a falling paddle for toner level sensing |
US9152080B2 (en) * | 2012-12-18 | 2015-10-06 | Lexmark International, Inc. | Replaceable unit for an image forming device having a toner agitator that includes a magnet for rotational sensing |
US9104134B2 (en) | 2012-12-18 | 2015-08-11 | Lexmark International, Inc. | Toner level sensing for replaceable unit of an image forming device |
US9031424B2 (en) * | 2012-12-18 | 2015-05-12 | Lexmark International, Inc. | Systems and methods for measuring a particulate material |
US9128443B2 (en) | 2012-12-18 | 2015-09-08 | Lexmark International, Inc. | Toner level sensing for replaceable unit of an image forming device |
US9069286B2 (en) | 2012-12-18 | 2015-06-30 | Lexmark International, Inc. | Rotational sensing for a replaceable unit of an image forming device |
ITBO20130428A1 (it) * | 2013-08-01 | 2015-02-02 | Gpe Products S R L | Dispositivo segnalatore di un livello di un prodotto solido non compatto in un contenitore |
AU2015236436B2 (en) * | 2014-03-27 | 2018-03-08 | Lexmark International, Inc. | Toner level sensing for a replaceable unit of an image forming device |
US9128444B1 (en) | 2014-04-16 | 2015-09-08 | Lexmark International, Inc. | Toner level sensing for a replaceable unit of an image forming device using pulse width patterns from a magnetic sensor |
US9519243B2 (en) | 2014-06-02 | 2016-12-13 | Lexmark International, Inc. | Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing |
US9389582B2 (en) * | 2014-06-02 | 2016-07-12 | Lexmark International, Inc. | Replaceable unit for an image forming device having magnets of varying angular offset for toner level sensing |
US9335656B2 (en) | 2014-06-02 | 2016-05-10 | Lexmark International, Inc. | Toner level sensing using rotatable magnets having varying angular offset |
JP6544042B2 (ja) * | 2015-02-18 | 2019-07-17 | 株式会社リコー | 粉体検知装置、顕色剤残量検知装置及び粉体検知方法 |
US9291989B1 (en) * | 2015-02-25 | 2016-03-22 | Lexmark International, Inc. | Replaceable unit for an electrophotographic image forming device having an engagement member for positioning a magnetic sensor |
US9280084B1 (en) | 2015-02-25 | 2016-03-08 | Lexmark International, Inc. | Magnetic sensor positioning by a replaceable unit of an electrophotographic image forming device |
US10429765B1 (en) | 2018-07-05 | 2019-10-01 | Lexmark International, Inc. | Toner container for an image forming device having magnets of varying angular offset for toner level sensing |
US10474060B1 (en) | 2018-07-05 | 2019-11-12 | Lexmark International, Inc. | Toner level sensing using rotatable magnets having varying angular offset |
US10451998B1 (en) | 2018-07-20 | 2019-10-22 | Lexmark International, Inc. | Toner level detection measuring an orientation of a rotatable magnet having a varying radius |
US10451997B1 (en) | 2018-07-20 | 2019-10-22 | Lexmark International, Inc. | Toner level detection measuring an orientation of a rotatable magnet having a varying orientation relative to a pivot axis |
US10345736B1 (en) | 2018-07-20 | 2019-07-09 | Lexmark International, Inc. | Toner level detection measuring a radius of a rotatable magnet |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979022A (en) * | 1972-06-28 | 1976-09-07 | Xerox Corporation | Monitoring device |
US3920155A (en) * | 1973-05-07 | 1975-11-18 | Xerox Corp | Particle level indicator |
JPS6051858A (ja) * | 1983-08-31 | 1985-03-23 | Fuji Xerox Co Ltd | トナ−残量検知装置 |
US4690540A (en) * | 1986-01-15 | 1987-09-01 | Xerox Corporation | Developer system for reproduction and printing machines |
-
1989
- 1989-11-30 US US07/445,071 patent/US4989754A/en not_active Expired - Fee Related
-
1990
- 1990-11-24 JP JP2320541A patent/JPH03269462A/ja active Pending
- 1990-11-29 EP EP90312981A patent/EP0430690B1/de not_active Expired - Lifetime
- 1990-11-29 DE DE69016951T patent/DE69016951T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0430690A3 (en) | 1992-08-12 |
JPH03269462A (ja) | 1991-12-02 |
US4989754A (en) | 1991-02-05 |
EP0430690B1 (de) | 1995-02-15 |
DE69016951D1 (de) | 1995-03-23 |
EP0430690A2 (de) | 1991-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |