GB2268807B - Detection of material consumption - Google Patents

Detection of material consumption

Info

Publication number
GB2268807B
GB2268807B GB9215296A GB9215296A GB2268807B GB 2268807 B GB2268807 B GB 2268807B GB 9215296 A GB9215296 A GB 9215296A GB 9215296 A GB9215296 A GB 9215296A GB 2268807 B GB2268807 B GB 2268807B
Authority
GB
United Kingdom
Prior art keywords
detection
material consumption
consumption
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
Application number
GB9215296A
Other versions
GB9215296D0 (en
GB2268807A (en
Inventor
Krzysztof Jerzy Less
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Priority to GB9215296A priority Critical patent/GB2268807B/en
Publication of GB9215296D0 publication Critical patent/GB9215296D0/en
Publication of GB2268807A publication Critical patent/GB2268807A/en
Application granted granted Critical
Publication of GB2268807B publication Critical patent/GB2268807B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G03G15/086—Detection or control means for the developer level the level being measured by electro-magnetic means
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
    • G03G15/2025—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid
    • 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
    • G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
    • G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
    • G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
    • G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
GB9215296A 1992-07-17 1992-07-17 Detection of material consumption Expired - Fee Related GB2268807B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9215296A GB2268807B (en) 1992-07-17 1992-07-17 Detection of material consumption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9215296A GB2268807B (en) 1992-07-17 1992-07-17 Detection of material consumption

Publications (3)

Publication Number Publication Date
GB9215296D0 GB9215296D0 (en) 1992-09-02
GB2268807A GB2268807A (en) 1994-01-19
GB2268807B true GB2268807B (en) 1996-09-18

Family

ID=10718927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9215296A Expired - Fee Related GB2268807B (en) 1992-07-17 1992-07-17 Detection of material consumption

Country Status (1)

Country Link
GB (1) GB2268807B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673106A (en) * 1994-06-17 1997-09-30 Texas Instruments Incorporated Printing system with self-monitoring and adjustment
WO2019078841A1 (en) * 2017-10-18 2019-04-25 Hewlett-Packard Development Company, L.P. Fluid level sensors

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB839092A (en) * 1958-05-01 1960-06-29 Bailey Meters Controls Ltd Improvements in or modifications of apparatus for detecting the presence or absence at a location of a body of material
US4107994A (en) * 1975-07-21 1978-08-22 Sanko Air Plant Ltd. Level detector
GB1560221A (en) * 1977-01-14 1980-01-30 Ludlow Ind Inc Vibratory level indicators for receptacles
GB2044454A (en) * 1978-09-08 1980-10-15 Kohishiroku Photo Industry Co Method of detecting residual quantity of toner
GB2078955A (en) * 1980-06-26 1982-01-13 Atomic Energy Authority Uk Improvements in detecting an interface between two media
EP0079422A1 (en) * 1981-10-29 1983-05-25 Edo Western Corporation Method and apparatus for detecting the presence of liquid
GB2114745A (en) * 1982-02-12 1983-08-24 Bestobell Electromagnetically driven tuning fork for determining fluid properties
US4890490A (en) * 1987-07-06 1990-01-02 United Kingdom Atomic Energy Authority Liquid level monitoring

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB839092A (en) * 1958-05-01 1960-06-29 Bailey Meters Controls Ltd Improvements in or modifications of apparatus for detecting the presence or absence at a location of a body of material
US4107994A (en) * 1975-07-21 1978-08-22 Sanko Air Plant Ltd. Level detector
GB1560221A (en) * 1977-01-14 1980-01-30 Ludlow Ind Inc Vibratory level indicators for receptacles
GB2044454A (en) * 1978-09-08 1980-10-15 Kohishiroku Photo Industry Co Method of detecting residual quantity of toner
GB2078955A (en) * 1980-06-26 1982-01-13 Atomic Energy Authority Uk Improvements in detecting an interface between two media
EP0079422A1 (en) * 1981-10-29 1983-05-25 Edo Western Corporation Method and apparatus for detecting the presence of liquid
GB2114745A (en) * 1982-02-12 1983-08-24 Bestobell Electromagnetically driven tuning fork for determining fluid properties
US4890490A (en) * 1987-07-06 1990-01-02 United Kingdom Atomic Energy Authority Liquid level monitoring

Also Published As

Publication number Publication date
GB9215296D0 (en) 1992-09-02
GB2268807A (en) 1994-01-19

Similar Documents

Publication Publication Date Title
GB8825435D0 (en) Detection of non metallic material
DE69327326T2 (en) REPLACEMENT AND DETECTION PROCESS
IL123320A0 (en) Detection of hypoprathyroidism
ZA935347B (en) Treatment of solid material
ZA932553B (en) New use of B-carbolines
GB2268807B (en) Detection of material consumption
GB9221976D0 (en) Shaped articles of zirconia
IL106381A0 (en) Detection of nucleic acids
GB9203655D0 (en) Improvements in or relating to the drilling of material
GB9226321D0 (en) Articles of adomment
ZA925940B (en) Webbing of heat-resettable material
GB8914229D0 (en) Material detection
ZA9510950B (en) Detection of movement
GB2256762B (en) Direct detection of FSK
GB9209896D0 (en) Fluoroplastics material
GB9418556D0 (en) Weak material
GB9103752D0 (en) Detection of species
GB9306780D0 (en) Measurement of concentration of material
GB2270158B (en) Detection
GB9201201D0 (en) Sensing of moving objects
GB9421621D0 (en) Detection of biological materials
GB9209007D0 (en) Material
GB9209026D0 (en) Material
GB9218178D0 (en) Material
GB9201618D0 (en) An innovative use of an existing material known commonly as bubblewrap

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010717