NL6900491A - - Google Patents
Info
- Publication number
- NL6900491A NL6900491A NL6900491A NL6900491A NL6900491A NL 6900491 A NL6900491 A NL 6900491A NL 6900491 A NL6900491 A NL 6900491A NL 6900491 A NL6900491 A NL 6900491A NL 6900491 A NL6900491 A NL 6900491A
- Authority
- NL
- Netherlands
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
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Polarising Elements (AREA)
- Optical Transform (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6900491A NL6900491A (de) | 1969-01-11 | 1969-01-11 | |
DE1963835A DE1963835C3 (de) | 1969-01-11 | 1969-12-19 | Vorrichtung zur Bestimmung der relativen Verschiebung eines Gegenstandes mit Hilfe eines mit dem Gegenstand mechanisch verbundenen Beugungsgitters |
US1117A US3630625A (en) | 1969-01-11 | 1970-01-07 | Device for determining the relative displacement of an object by means of a diffraction grating mechanically secured to the object |
AU10123/70A AU1012370A (en) | 1969-01-11 | 1970-01-07 | A device for determining the relative displacement ofan object by means ofa diffraction grating mechanically secured tothe object |
CH20070A CH519700A (de) | 1969-01-11 | 1970-01-08 | Vorrichtung zur Bestimmung der relativen Verschiebung eines Gegenstandes mit Hilfe eines mechanisch mit dem Gegenstand verbundenen Beugungsgitters |
JP45002360A JPS501217B1 (de) | 1969-01-11 | 1970-01-08 | |
GB98070A GB1303261A (de) | 1969-01-11 | 1970-01-08 | |
BE744278D BE744278A (fr) | 1969-01-11 | 1970-01-09 | Dispositif pour determiner le deplacement relatif d'un objet a l'aide d'une trame fixee mecaniquement a l'objet |
FR7000849A FR2028166A1 (de) | 1969-01-11 | 1970-01-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6900491A NL6900491A (de) | 1969-01-11 | 1969-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6900491A true NL6900491A (de) | 1970-07-14 |
Family
ID=19805844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6900491A NL6900491A (de) | 1969-01-11 | 1969-01-11 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3630625A (de) |
JP (1) | JPS501217B1 (de) |
AU (1) | AU1012370A (de) |
BE (1) | BE744278A (de) |
CH (1) | CH519700A (de) |
DE (1) | DE1963835C3 (de) |
FR (1) | FR2028166A1 (de) |
GB (1) | GB1303261A (de) |
NL (1) | NL6900491A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2451668A1 (de) * | 1974-10-31 | 1976-05-06 | Leitz Ernst Gmbh | Anordnung zur geometrischen trennung von lichtfluessen in abbildungssystemen |
JPS51105876A (ja) * | 1975-03-14 | 1976-09-20 | Hitachi Ltd | Jikikogakukokaomochiirukodokei |
DE2857203A1 (de) * | 1977-11-25 | 1980-11-27 | J Mckelvie | Method and apparatus for sensing in-plane deformation of a surface |
DE3633574A1 (de) * | 1986-10-02 | 1988-04-14 | Heidenhain Gmbh Dr Johannes | Lichtelektrische winkelmesseinrichtung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441049A (en) * | 1944-09-29 | 1948-05-04 | Polaroid Corp | Composite achromatic wave plates comprising superimposed sheets of differently birefringent, molecularly oriented, transparent, solid, organic plastic material |
DE1548707C3 (de) * | 1966-07-26 | 1979-02-15 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Fotoelektrischer Schrittgeber |
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1969
- 1969-01-11 NL NL6900491A patent/NL6900491A/xx unknown
- 1969-12-19 DE DE1963835A patent/DE1963835C3/de not_active Expired
-
1970
- 1970-01-07 US US1117A patent/US3630625A/en not_active Expired - Lifetime
- 1970-01-07 AU AU10123/70A patent/AU1012370A/en not_active Expired
- 1970-01-08 JP JP45002360A patent/JPS501217B1/ja active Pending
- 1970-01-08 GB GB98070A patent/GB1303261A/en not_active Expired
- 1970-01-08 CH CH20070A patent/CH519700A/de not_active IP Right Cessation
- 1970-01-09 BE BE744278D patent/BE744278A/xx unknown
- 1970-01-12 FR FR7000849A patent/FR2028166A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1963835B2 (de) | 1978-10-19 |
BE744278A (fr) | 1970-07-09 |
DE1963835C3 (de) | 1979-06-21 |
JPS501217B1 (de) | 1975-01-16 |
FR2028166A1 (de) | 1970-10-09 |
CH519700A (de) | 1972-02-29 |
DE1963835A1 (de) | 1970-09-17 |
AU1012370A (en) | 1971-07-08 |
GB1303261A (de) | 1973-01-17 |
US3630625A (en) | 1971-12-28 |