FR2236164B1 - - Google Patents
Info
- Publication number
- FR2236164B1 FR2236164B1 FR7324563A FR7324563A FR2236164B1 FR 2236164 B1 FR2236164 B1 FR 2236164B1 FR 7324563 A FR7324563 A FR 7324563A FR 7324563 A FR7324563 A FR 7324563A FR 2236164 B1 FR2236164 B1 FR 2236164B1
- Authority
- FR
- France
- 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
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
- G01D5/36—Forming the light into pulses
- G01D5/366—Particular pulse shapes
-
- 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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7324563A FR2236164B1 (fr) | 1973-07-04 | 1973-07-04 | |
GB2717674A GB1473871A (en) | 1973-07-04 | 1974-06-19 | Device and method for determining the direction of the bars of a parallel bar grating |
CH861474A CH585389A5 (fr) | 1973-07-04 | 1974-06-24 | |
US05/482,761 US3944821A (en) | 1973-07-04 | 1974-06-24 | Detection of angular position |
DE2431932A DE2431932C2 (de) | 1973-07-04 | 1974-07-03 | Vorrichtung zum Anzeigen einer Richtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7324563A FR2236164B1 (fr) | 1973-07-04 | 1973-07-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236164A1 FR2236164A1 (fr) | 1975-01-31 |
FR2236164B1 true FR2236164B1 (fr) | 1976-04-30 |
Family
ID=9122067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7324563A Expired FR2236164B1 (fr) | 1973-07-04 | 1973-07-04 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3944821A (fr) |
CH (1) | CH585389A5 (fr) |
DE (1) | DE2431932C2 (fr) |
FR (1) | FR2236164B1 (fr) |
GB (1) | GB1473871A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4039805A (en) * | 1975-03-27 | 1977-08-02 | The Measuregraph Company | Apparatus for calculating the price of measured lengths of material |
DE2821170C2 (de) * | 1978-05-13 | 1986-06-26 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zum objektivierten Zieleinfang |
US4247769A (en) * | 1978-12-21 | 1981-01-27 | The Charles Stark Draper Laboratory, Inc. | Apparatus for measuring angular and linear displacements |
SE426987B (sv) * | 1981-09-16 | 1983-02-21 | Inogon Licens Ab | Enslinjeindikator |
US4488172A (en) * | 1982-08-18 | 1984-12-11 | Novon, Inc. | Method and apparatus for range imaging |
US4499492A (en) * | 1982-08-18 | 1985-02-12 | Novon, Inc. | Method and apparatus for three frame range imaging |
DE3906777A1 (de) * | 1989-03-03 | 1990-09-06 | Krieg Gunther | Verfahren zur messung eines drehwinkels und drehwinkelmesser |
DE4023323A1 (de) * | 1990-07-21 | 1992-01-23 | Krieg Gunther | Positionssensor |
CN106989768B (zh) * | 2017-04-19 | 2019-04-02 | 广东盈动高科自动化有限公司 | 编码器实时李莎育圆偏心处理方法 |
CN113280762B (zh) * | 2021-06-29 | 2022-10-11 | 杭州精稳科技有限责任公司 | 一种圆光栅电子同轴调试方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE603074C (de) * | 1934-09-21 | Colopan Photo G M B H | Einstellverfahren fuer Projektionsgeraete | |
US3098186A (en) * | 1958-06-11 | 1963-07-16 | Ferranti Ltd | Control apparatus for positioning an object |
DE1177353B (de) * | 1958-06-11 | 1964-09-03 | Ferranti Ltd | Anordnung zum Bestimmen der Lageaenderungen eines bewegten Objektes, beispielsweise des bewegten Teiles einer Werkzeugmaschine gegenueber einem Bezugssystem |
US3153111A (en) * | 1958-06-26 | 1964-10-13 | Nat Res Dev | Measurement of displacements |
DE1136834B (de) * | 1959-04-09 | 1962-09-20 | Leitz Ernst Gmbh | Vorrichtung zum Messen von Lageaenderungen |
-
1973
- 1973-07-04 FR FR7324563A patent/FR2236164B1/fr not_active Expired
-
1974
- 1974-06-19 GB GB2717674A patent/GB1473871A/en not_active Expired
- 1974-06-24 CH CH861474A patent/CH585389A5/xx not_active IP Right Cessation
- 1974-06-24 US US05/482,761 patent/US3944821A/en not_active Expired - Lifetime
- 1974-07-03 DE DE2431932A patent/DE2431932C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH585389A5 (fr) | 1977-02-28 |
DE2431932A1 (de) | 1975-01-23 |
GB1473871A (en) | 1977-05-18 |
DE2431932C2 (de) | 1985-05-02 |
FR2236164A1 (fr) | 1975-01-31 |
US3944821A (en) | 1976-03-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |