FR2021062A1 - - Google Patents
Info
- Publication number
- FR2021062A1 FR2021062A1 FR6935027A FR6935027A FR2021062A1 FR 2021062 A1 FR2021062 A1 FR 2021062A1 FR 6935027 A FR6935027 A FR 6935027A FR 6935027 A FR6935027 A FR 6935027A FR 2021062 A1 FR2021062 A1 FR 2021062A1
- 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.)
- Withdrawn
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
-
- 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)
- Optical Transform (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 |
|---|---|---|---|
| DE1804028A DE1804028C3 (de) | 1968-10-19 | 1968-10-19 | Ablesevorrichtung für Meßteilungen oder andere periodische Objekte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2021062A1 true FR2021062A1 (show.php) | 1970-07-17 |
Family
ID=5710939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6935027A Withdrawn FR2021062A1 (show.php) | 1968-10-19 | 1969-10-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3573468A (show.php) |
| CH (1) | CH488167A (show.php) |
| DE (1) | DE1804028C3 (show.php) |
| FR (1) | FR2021062A1 (show.php) |
| GB (1) | GB1237040A (show.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2163200C2 (de) * | 1971-12-20 | 1983-06-09 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zur berührungslosen Messung |
| DE2835390A1 (de) | 1978-08-12 | 1980-02-21 | Leitz Ernst Gmbh | Optischer korrelator |
| US4427883A (en) | 1981-05-27 | 1984-01-24 | The Stanley Works | Optical sensing system for extensible tape rules |
| GB8729246D0 (en) * | 1987-12-15 | 1988-01-27 | Renishaw Plc | Opto-electronic scale-reading apparatus |
| DE3807011C1 (show.php) * | 1988-03-04 | 1989-04-27 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De | |
| EP0419701B1 (de) * | 1989-09-27 | 1993-06-09 | Dr. Johannes Heidenhain GmbH | Winkelmesseinrichtung |
| CN109307936B (zh) * | 2018-11-28 | 2020-11-20 | 湖北华中光电科技有限公司 | 一种加快天文定向器瞄准速度的辅助装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1548703B2 (de) * | 1966-07-16 | 1971-04-15 | Ernst Leitz Gmbh, 6330 Wetzlar | Fotoelektrischer schrittgeber fuer vierphasen signale |
-
1968
- 1968-10-19 DE DE1804028A patent/DE1804028C3/de not_active Expired
-
1969
- 1969-10-10 GB GB49821/69A patent/GB1237040A/en not_active Expired
- 1969-10-13 FR FR6935027A patent/FR2021062A1/fr not_active Withdrawn
- 1969-10-16 US US866845A patent/US3573468A/en not_active Expired - Lifetime
- 1969-10-17 CH CH1556269A patent/CH488167A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1804028C3 (de) | 1975-04-30 |
| GB1237040A (en) | 1971-06-30 |
| US3573468A (en) | 1971-04-06 |
| CH488167A (de) | 1970-03-31 |
| DE1804028A1 (de) | 1970-05-21 |
| DE1804028B2 (de) | 1974-09-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |