FR1531708A - Indicateur de niveau de liquide - Google Patents
Indicateur de niveau de liquideInfo
- Publication number
- FR1531708A FR1531708A FR108541A FR108541A FR1531708A FR 1531708 A FR1531708 A FR 1531708A FR 108541 A FR108541 A FR 108541A FR 108541 A FR108541 A FR 108541A FR 1531708 A FR1531708 A FR 1531708A
- Authority
- FR
- France
- Prior art keywords
- liquid level
- level indicator
- indicator
- liquid
- 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
Links
- 239000007788 liquid Substances 0.000 title 1
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
- G01F23/22—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
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet 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
- G03G15/10—Apparatus for electrographic processes using a charge pattern for developing using a liquid developer
- G03G15/104—Preparing, mixing, transporting or dispensing developer
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Wet Developing In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55418366A | 1966-05-31 | 1966-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1531708A true FR1531708A (fr) | 1968-07-05 |
Family
ID=24212354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR108541A Expired FR1531708A (fr) | 1966-05-31 | 1967-05-31 | Indicateur de niveau de liquide |
Country Status (6)
Country | Link |
---|---|
US (1) | US3468604A (fr) |
CH (1) | CH461274A (fr) |
DE (1) | DE1572356A1 (fr) |
FR (1) | FR1531708A (fr) |
GB (1) | GB1181575A (fr) |
SE (1) | SE331949B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3890721A (en) * | 1972-12-26 | 1975-06-24 | Canon Kk | Developing liquid recovery device in a copying machine |
US5161411A (en) * | 1991-10-02 | 1992-11-10 | Bindicator Company | Material level indication |
US5975352A (en) * | 1997-08-28 | 1999-11-02 | Ecolab Inc. | Dispenser |
KR20000040187A (ko) * | 1998-12-17 | 2000-07-05 | 윤종용 | 용기내에 저수된 액체의 저수 레벨 측정장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1955315A (en) * | 1934-04-17 | photosensitive devics x | ||
US1928235A (en) * | 1930-10-07 | 1933-09-26 | Hughes Ind Co Ltd | Apparatus for treating films |
US2056584A (en) * | 1935-03-27 | 1936-10-06 | Bruning Charles Co Inc | Apparatus for developing prints |
US3120125A (en) * | 1960-08-03 | 1964-02-04 | American Pyrotector Inc | Liquid level determining devices and method |
US3094214A (en) * | 1961-05-05 | 1963-06-18 | Industrial Automation Corp | Automatic container fill-height inspection machine |
US3354802A (en) * | 1964-07-22 | 1967-11-28 | Savin Business Machines Corp | Toner monitoring system for electrostatic copier |
-
1966
- 1966-05-31 US US554183A patent/US3468604A/en not_active Expired - Lifetime
-
1967
- 1967-05-26 CH CH744367A patent/CH461274A/de unknown
- 1967-05-26 SE SE07442/67A patent/SE331949B/xx unknown
- 1967-05-30 DE DE19671572356 patent/DE1572356A1/de active Pending
- 1967-05-31 FR FR108541A patent/FR1531708A/fr not_active Expired
- 1967-05-31 GB GB25167/67A patent/GB1181575A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3468604A (en) | 1969-09-23 |
SE331949B (fr) | 1971-01-18 |
DE1572356A1 (de) | 1970-02-12 |
CH461274A (de) | 1968-08-15 |
GB1181575A (en) | 1970-02-18 |
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