FR2769705B1 - METHOD AND DEVICE FOR DETERMINING THE QUANTITY OF PRODUCT CONTAINED IN A RESERVOIR, FOR EXAMPLE IN AN INK RESERVOIR FOR PRINTER - Google Patents
METHOD AND DEVICE FOR DETERMINING THE QUANTITY OF PRODUCT CONTAINED IN A RESERVOIR, FOR EXAMPLE IN AN INK RESERVOIR FOR PRINTERInfo
- Publication number
- FR2769705B1 FR2769705B1 FR9713786A FR9713786A FR2769705B1 FR 2769705 B1 FR2769705 B1 FR 2769705B1 FR 9713786 A FR9713786 A FR 9713786A FR 9713786 A FR9713786 A FR 9713786A FR 2769705 B1 FR2769705 B1 FR 2769705B1
- Authority
- FR
- France
- Prior art keywords
- reservoir
- printer
- determining
- product contained
- ink reservoir
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17566—Ink level or ink residue control
-
- 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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- 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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/265—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels
-
- 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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/266—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Ink Jet (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9713786A FR2769705B1 (en) | 1997-10-10 | 1997-11-03 | METHOD AND DEVICE FOR DETERMINING THE QUANTITY OF PRODUCT CONTAINED IN A RESERVOIR, FOR EXAMPLE IN AN INK RESERVOIR FOR PRINTER |
US09/168,718 US6339335B1 (en) | 1997-10-10 | 1998-10-09 | Method and device for determining the quantity of product contained in a reservoir, for example in an ink reservoir for a printer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9712723A FR2769709A1 (en) | 1997-10-10 | 1997-10-10 | Determining quantity of ink in reservoir of ink jet printer |
FR9713786A FR2769705B1 (en) | 1997-10-10 | 1997-11-03 | METHOD AND DEVICE FOR DETERMINING THE QUANTITY OF PRODUCT CONTAINED IN A RESERVOIR, FOR EXAMPLE IN AN INK RESERVOIR FOR PRINTER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2769705A1 FR2769705A1 (en) | 1999-04-16 |
FR2769705B1 true FR2769705B1 (en) | 2000-01-28 |
Family
ID=26233858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9713786A Expired - Fee Related FR2769705B1 (en) | 1997-10-10 | 1997-11-03 | METHOD AND DEVICE FOR DETERMINING THE QUANTITY OF PRODUCT CONTAINED IN A RESERVOIR, FOR EXAMPLE IN AN INK RESERVOIR FOR PRINTER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2769705B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2944512A1 (en) * | 1979-11-03 | 1981-05-14 | Pelikan Ag, 3000 Hannover | INK TANK WITH CAPACITIVE LEVEL INDICATOR |
DE3043810A1 (en) * | 1980-11-20 | 1982-06-24 | Siemens AG, 1000 Berlin und 8000 München | Monitoring ink supply in ink printer - using metallic sensor changing magnetic field induced by ring coil |
JPH06100488B2 (en) * | 1986-05-16 | 1994-12-12 | 株式会社ノーケン | Capacitance type level detector |
JPH0785031B2 (en) * | 1986-05-23 | 1995-09-13 | 株式会社ノーケン | Capacitance type level detector |
EP0261353A3 (en) * | 1986-09-24 | 1989-02-01 | Grapha-Holding Ag | Measuring unit |
-
1997
- 1997-11-03 FR FR9713786A patent/FR2769705B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2769705A1 (en) | 1999-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20140731 |