NL7809941A - Werkwijze en inrichting voor het verkrijgen en het overdragen van signalen die een te controleren fysische eigenschap van een stof weerspiegelen. - Google Patents
Werkwijze en inrichting voor het verkrijgen en het overdragen van signalen die een te controleren fysische eigenschap van een stof weerspiegelen.Info
- Publication number
- NL7809941A NL7809941A NL7809941A NL7809941A NL7809941A NL 7809941 A NL7809941 A NL 7809941A NL 7809941 A NL7809941 A NL 7809941A NL 7809941 A NL7809941 A NL 7809941A NL 7809941 A NL7809941 A NL 7809941A
- Authority
- NL
- Netherlands
- Prior art keywords
- substance
- obtaining
- controlled
- physical property
- transmitting signals
- Prior art date
Links
- 230000000704 physical effect Effects 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
-
- 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
- G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
- G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
-
- 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
- Y10S250/00—Radiant energy
- Y10S250/90—Optical liquid level sensors
- Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
-
- 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
- Y10S250/00—Radiant energy
- Y10S250/90—Optical liquid level sensors
- Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
- Y10S250/902—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset
-
- 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
- Y10S250/00—Radiant energy
- Y10S250/90—Optical liquid level sensors
- Y10S250/901—Optical liquid level sensors with gap between light guide elements, includes open light path preset
- Y10S250/902—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset
- Y10S250/903—Optical liquid level sensors with gap between light guide elements, includes open light path preset with closed light path preset with prism contacting liquid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1216477A CH620771A5 (xx) | 1977-10-05 | 1977-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7809941A true NL7809941A (nl) | 1979-04-09 |
Family
ID=4380479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7809941A NL7809941A (nl) | 1977-10-05 | 1978-10-02 | Werkwijze en inrichting voor het verkrijgen en het overdragen van signalen die een te controleren fysische eigenschap van een stof weerspiegelen. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4275295A (xx) |
JP (1) | JPS54500013A (xx) |
CH (1) | CH620771A5 (xx) |
DE (1) | DE2857095D2 (xx) |
FR (1) | FR2405463A1 (xx) |
GB (1) | GB2023813A (xx) |
IT (1) | IT1099237B (xx) |
NL (1) | NL7809941A (xx) |
SE (1) | SE7904846L (xx) |
WO (1) | WO1979000180A1 (xx) |
ZA (1) | ZA785324B (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005798A1 (de) * | 1978-06-02 | 1979-12-12 | Asea Ab | Stabilisiertes faseroptisches Messgerät |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4472628A (en) * | 1981-06-29 | 1984-09-18 | General Electric Company | Fiber optics transducers for sensing parameter magnitude |
EP0074788B1 (en) * | 1981-09-10 | 1989-05-31 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber coupler temperature tranducer |
US4462699A (en) * | 1981-09-10 | 1984-07-31 | Board Of Trustees Of The Leland Stanford Junior University | Fiber coupler temperature transducer |
FR2514917A1 (fr) * | 1981-10-19 | 1983-04-22 | Seeb Sarl | Capteur de positionnement et de mouvement a fibres optiques |
GB2124757A (en) * | 1982-05-21 | 1984-02-22 | Marconi Avionics | Measuring displacements optically |
DE3234900A1 (de) * | 1982-09-21 | 1984-03-22 | Siemens Ag | Faseroptischer sensor |
DE3505810A1 (de) * | 1985-02-20 | 1986-08-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung zur ermittlung der verstellung bzw. einstellung eines weges oder winkels |
DE3629088C1 (en) * | 1986-08-27 | 1988-03-24 | Mueller Weingarten Maschf | Optoelectronic workpiece position monitoring in the work stations of a press |
EP0393144A4 (en) * | 1988-10-20 | 1992-08-12 | Conax Buffalo Corporation | Optical liquid level sensors |
US5017771A (en) * | 1989-11-20 | 1991-05-21 | The Boeing Company | Position sensor using optical fibers and a variable filter |
US5351547A (en) * | 1990-05-02 | 1994-10-04 | Dynisco, Inc. | Optical pressure transducer having a fixed reflector and a movable reflector attached to a diaphragm |
US5319978A (en) * | 1990-05-02 | 1994-06-14 | Dynisco, Inc. | Optical pressure transducer |
EP0533333A3 (en) * | 1991-09-19 | 1993-07-28 | Texaco Development Corporation | Optical photometry system |
US5376785A (en) * | 1992-10-02 | 1994-12-27 | Chin; Philip K. | Optical displacement sensor utilizing optical diffusion |
US7043984B2 (en) * | 2004-01-13 | 2006-05-16 | Fling John J | Automatically actuated liquid level sensor |
US7418861B2 (en) * | 2006-01-10 | 2008-09-02 | Fling John J | Mechanically self actuated liquid level sensor |
US7444865B2 (en) | 2006-05-04 | 2008-11-04 | Fling John J | Parallelogram actuated liquid level sensor |
JP5357218B2 (ja) * | 2011-07-14 | 2013-12-04 | キヤノンファインテック株式会社 | インク残量検出装置、インク残量検出方法およびインクジェット記録装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB925798A (en) * | 1960-08-30 | 1963-05-08 | Linotype Machinery Ltd | Light intensity comparator |
US3544799A (en) * | 1968-10-23 | 1970-12-01 | Gen Motors Corp | Photoelectric liquid level detector with checkout means which increases output of lamp to simulate low-level condition |
DE1817027B1 (de) * | 1968-12-24 | 1970-03-05 | Danfoss As | Fuellstandanzeiger |
FR2130819A5 (xx) * | 1971-03-22 | 1972-11-10 | Snecma | |
DE2148696A1 (de) * | 1971-09-29 | 1973-04-05 | Krauss Maffei Ag | Optische einrichtung zum erzeugen eines von der eintauchtiefe eines beweglichen bauteiles in ein messlichtbuendel abhaengigen elektrischen signales |
CA1008146A (en) * | 1973-02-26 | 1977-04-05 | Andre Rekai | Optical self-checking level detector |
BE820108A (fr) * | 1973-11-27 | 1975-01-16 | Appareil pour determiner la transparence de l'atmospher | |
DE2448458A1 (de) * | 1974-10-11 | 1976-04-22 | Philips Patentverwaltung | Anordnung zur elektronischen eichkontrolle bei fotometrischen geraeten |
-
1977
- 1977-10-05 CH CH1216477A patent/CH620771A5/de not_active IP Right Cessation
-
1978
- 1978-03-19 ZA ZA00785324A patent/ZA785324B/xx unknown
- 1978-10-02 DE DE78CH7800023T patent/DE2857095D2/de not_active Expired
- 1978-10-02 GB GB7920839A patent/GB2023813A/en not_active Withdrawn
- 1978-10-02 NL NL7809941A patent/NL7809941A/xx not_active Application Discontinuation
- 1978-10-02 JP JP50001778A patent/JPS54500013A/ja active Pending
- 1978-10-02 WO PCT/CH1978/000023 patent/WO1979000180A1/de unknown
- 1978-10-04 FR FR7828431A patent/FR2405463A1/fr not_active Withdrawn
- 1978-10-05 IT IT7828444A patent/IT1099237B/it active
-
1979
- 1979-05-23 US US06/041,915 patent/US4275295A/en not_active Expired - Lifetime
- 1979-06-01 SE SE7904846A patent/SE7904846L/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005798A1 (de) * | 1978-06-02 | 1979-12-12 | Asea Ab | Stabilisiertes faseroptisches Messgerät |
Also Published As
Publication number | Publication date |
---|---|
US4275295A (en) | 1981-06-23 |
SE7904846L (sv) | 1979-06-01 |
GB2023813A (en) | 1980-01-03 |
CH620771A5 (xx) | 1980-12-15 |
DE2857095D2 (en) | 1980-11-20 |
IT7828444A0 (it) | 1978-10-05 |
IT1099237B (it) | 1985-09-18 |
WO1979000180A1 (en) | 1979-04-19 |
ZA785324B (en) | 1979-09-26 |
FR2405463A1 (fr) | 1979-05-04 |
JPS54500013A (xx) | 1979-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |