BE830188A - Appareil de mesure de faibles ecarts - Google Patents
Appareil de mesure de faibles ecartsInfo
- Publication number
- BE830188A BE830188A BE157295A BE157295A BE830188A BE 830188 A BE830188 A BE 830188A BE 157295 A BE157295 A BE 157295A BE 157295 A BE157295 A BE 157295A BE 830188 A BE830188 A BE 830188A
- Authority
- BE
- Belgium
- Prior art keywords
- measurement device
- deviation measurement
- low deviation
- low
- measurement
- Prior art date
Links
- 238000005259 measurement Methods 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
- G01D5/347—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 using displacement encoding scales
- G01D5/34776—Absolute encoders with analogue or digital scales
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/4133—Refractometers, e.g. differential
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7420285A FR2274894A1 (fr) | 1974-06-12 | 1974-06-12 | Appareil de mesure de faibles ecarts, notamment par refractometrie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE830188A true BE830188A (fr) | 1975-12-12 |
Family
ID=9139937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE157295A BE830188A (fr) | 1974-06-12 | 1975-06-12 | Appareil de mesure de faibles ecarts |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3983390A (no) |
| BE (1) | BE830188A (no) |
| CH (1) | CH592866A5 (no) |
| DE (1) | DE2526110C3 (no) |
| FR (1) | FR2274894A1 (no) |
| GB (1) | GB1514236A (no) |
| IT (1) | IT1036122B (no) |
| NL (1) | NL7506508A (no) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078173A (en) * | 1976-06-24 | 1978-03-07 | Pertec Computer Corporation | Light amplitude control system for position and motion transducers |
| DE3045156C2 (de) * | 1980-12-01 | 1983-12-08 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Vorrichtung zur Spektralanalyse |
| US4668093A (en) * | 1983-06-13 | 1987-05-26 | Mcdonnell Douglas Corporation | Optical grating demodulator and sensor system |
| DE3844704C2 (no) * | 1987-09-30 | 1992-06-17 | Kabushiki Kaisha Okuma Tekkosho, Nagoya, Aichi, Jp | |
| JP2539269B2 (ja) * | 1989-07-17 | 1996-10-02 | オークマ株式会社 | 光学式エンコ―ダ |
| JP4006355B2 (ja) * | 2003-04-28 | 2007-11-14 | アルプス電気株式会社 | 濃度測定ユニット並びにこの濃度測定ユニットを備えた燃料電池 |
| US8852535B2 (en) * | 2003-10-03 | 2014-10-07 | Saudi Arabian Oil Company | Device and method for measuring elemental sulfur in gas in gas lines |
| CN103733044B (zh) * | 2011-08-16 | 2016-10-12 | 沃特世科技公司 | 用于折射率差检测的流动池 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1208087B (de) * | 1964-04-22 | 1965-12-30 | Wenczler & Heidenhain | Einrichtung zum Messen von Laengen mittels Impulszaehlung |
| US3451054A (en) * | 1965-03-18 | 1969-06-17 | Gen Electric | Light optic digital transducer using displaced ronchi rulings |
| DE1282988B (de) * | 1965-05-28 | 1968-11-14 | Zeiss Carl Fa | Einrichtung zum Messen von Lageaenderungen zweier zueinander beweglicher Teile unterVerwendung einer inkohaerenten Strahlung |
| US3426211A (en) * | 1965-10-21 | 1969-02-04 | Honeywell Inc | Refractometers |
| DE1966918U (de) * | 1967-06-15 | 1967-08-24 | Bodenseewerk Perkin Elmer Co | Differentialrefraktometer. |
| DE1921507C2 (de) * | 1969-04-26 | 1971-02-11 | Zeiss Carl Fa | Einrichtung zur Erzeugung phasenverschobener elektrischer Signale |
| US3728715A (en) * | 1970-04-20 | 1973-04-17 | Bendix Corp | Digital sun sensor having sub-image resolution |
-
1974
- 1974-06-12 FR FR7420285A patent/FR2274894A1/fr active Granted
-
1975
- 1975-05-28 IT IT68383/75A patent/IT1036122B/it active
- 1975-05-30 GB GB23663/75A patent/GB1514236A/en not_active Expired
- 1975-06-02 NL NL7506508A patent/NL7506508A/xx not_active Application Discontinuation
- 1975-06-06 US US05/584,496 patent/US3983390A/en not_active Expired - Lifetime
- 1975-06-11 DE DE2526110A patent/DE2526110C3/de not_active Expired
- 1975-06-11 CH CH756775A patent/CH592866A5/xx not_active IP Right Cessation
- 1975-06-12 BE BE157295A patent/BE830188A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1514236A (en) | 1978-06-14 |
| DE2526110A1 (de) | 1976-01-02 |
| DE2526110C3 (de) | 1982-04-08 |
| US3983390A (en) | 1976-09-28 |
| FR2274894A1 (fr) | 1976-01-09 |
| DE2526110B2 (de) | 1981-07-16 |
| CH592866A5 (no) | 1977-11-15 |
| IT1036122B (it) | 1979-10-30 |
| FR2274894B1 (no) | 1977-12-16 |
| NL7506508A (nl) | 1975-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE828795A (fr) | Appareil de mesure de position | |
| FR2274934A1 (fr) | Appareil de mesure de distance | |
| BE836701A (fr) | Appareil de mesure programmable | |
| FR2321682A1 (fr) | Appareil de mesure interferometrique | |
| FR2311275A1 (fr) | Appareil de mesure de longueur | |
| IT1047590B (it) | Dispositivo indicatore ottico | |
| FR2311274A1 (fr) | Appareil de mesure de longueur | |
| FR2343231A1 (fr) | Appareil de mesure volumetrique | |
| BE792177A (fr) | Appareil de mesure | |
| FR2344822A1 (fr) | Appareil de mesure de temperature | |
| FR2274034A1 (fr) | Appareil dynamometrique | |
| SE403947B (sv) | Anordning for teckenindikering | |
| BE837818A (fr) | Appareil de mesure | |
| FR2304056A1 (fr) | Appareil de mesure de longueurs | |
| BE832040A (fr) | Instrument de mesure du lait | |
| FR2312758A1 (fr) | Appareil de mesure de distance | |
| FR2279081A1 (fr) | Dispositif de mesure de force | |
| BE831556A (fr) | Appareil de mesure d'ecoulement | |
| FR2274890A1 (fr) | Appareil de mesure de position | |
| BE830188A (fr) | Appareil de mesure de faibles ecarts | |
| BE818273A (fr) | Appareil de mesure de couple | |
| AT343376B (de) | Messgerat | |
| FR2288974A1 (fr) | Appareil de mesure de force | |
| BE810081A (fr) | Appareil de mesure de pieds | |
| BE845088A (fr) | Appareil de mesure du point de condensation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SOC D'OPTIQUE PRECISION ELECTRONIQUE ET MECANIQUE Effective date: 19850612 |