DE2339485A1 - Elektrooptische positionierungsvorrichtung fuer werkzeugmaschinen - Google Patents
Elektrooptische positionierungsvorrichtung fuer werkzeugmaschinenInfo
- Publication number
- DE2339485A1 DE2339485A1 DE19732339485 DE2339485A DE2339485A1 DE 2339485 A1 DE2339485 A1 DE 2339485A1 DE 19732339485 DE19732339485 DE 19732339485 DE 2339485 A DE2339485 A DE 2339485A DE 2339485 A1 DE2339485 A1 DE 2339485A1
- Authority
- DE
- Germany
- Prior art keywords
- scale
- notches
- lens
- light
- detectors
- 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.)
- Pending
Links
- 239000005337 ground glass Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2787072A IT963721B (it) | 1972-08-04 | 1972-08-04 | Rilevatore di posizione ottico elettronico su riga a frange per macchine utensili e complessi di misura basato su una immagine in grandita da obiettivo ottico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2339485A1 true DE2339485A1 (de) | 1974-02-14 |
Family
ID=11222493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732339485 Pending DE2339485A1 (de) | 1972-08-04 | 1973-08-03 | Elektrooptische positionierungsvorrichtung fuer werkzeugmaschinen |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2339485A1 (enExample) |
| FR (1) | FR2194948B3 (enExample) |
| GB (1) | GB1418114A (enExample) |
| IT (1) | IT963721B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5075560A (en) * | 1990-09-20 | 1991-12-24 | Eastman Kodak Company | Moire distance measurements using a grating printed on or attached to a surface |
-
1972
- 1972-08-04 IT IT2787072A patent/IT963721B/it active
-
1973
- 1973-07-30 GB GB3617173A patent/GB1418114A/en not_active Expired
- 1973-08-03 DE DE19732339485 patent/DE2339485A1/de active Pending
- 1973-08-03 FR FR7328572A patent/FR2194948B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1418114A (en) | 1975-12-17 |
| FR2194948B3 (enExample) | 1976-07-16 |
| FR2194948A1 (enExample) | 1974-03-01 |
| IT963721B (it) | 1974-01-21 |
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