FR2194948B3 - - Google Patents
Info
- Publication number
- FR2194948B3 FR2194948B3 FR7328572A FR7328572A FR2194948B3 FR 2194948 B3 FR2194948 B3 FR 2194948B3 FR 7328572 A FR7328572 A FR 7328572A FR 7328572 A FR7328572 A FR 7328572A FR 2194948 B3 FR2194948 B3 FR 2194948B3
- 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
- G01D5/347—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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2194948A1 FR2194948A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-01 |
| FR2194948B3 true FR2194948B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-16 |
Family
ID=11222493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7328572A Expired FR2194948B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-04 | 1973-08-03 |
Country Status (4)
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 |
|---|---|
| IT963721B (it) | 1974-01-21 |
| DE2339485A1 (de) | 1974-02-14 |
| FR2194948A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-01 |
| GB1418114A (en) | 1975-12-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |