GB8422016D0 - Photoelectric scanning - Google Patents
Photoelectric scanningInfo
- Publication number
- GB8422016D0 GB8422016D0 GB848422016A GB8422016A GB8422016D0 GB 8422016 D0 GB8422016 D0 GB 8422016D0 GB 848422016 A GB848422016 A GB 848422016A GB 8422016 A GB8422016 A GB 8422016A GB 8422016 D0 GB8422016 D0 GB 8422016D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- photoelectric scanning
- photoelectric
- scanning
- 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.)
- Withdrawn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
- G01D5/347—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD25442183A DD221828A1 (en) | 1983-09-01 | 1983-09-01 | DEVICE FOR THE PHOTOELECTRIC TESTING OF DIVISIONS |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8422016D0 true GB8422016D0 (en) | 1984-10-03 |
GB2146765A GB2146765A (en) | 1985-04-24 |
Family
ID=5550124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08422016A Withdrawn GB2146765A (en) | 1983-09-01 | 1984-08-31 | Arrangement for photoelectric scanning of graduations in reflected light |
Country Status (4)
Country | Link |
---|---|
DD (1) | DD221828A1 (en) |
DE (1) | DE3427047A1 (en) |
GB (1) | GB2146765A (en) |
NL (1) | NL8402650A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3625327C1 (en) * | 1986-07-26 | 1988-02-18 | Heidenhain Gmbh Dr Johannes | Photoelectric position measuring device |
DE3702314C1 (en) * | 1987-01-27 | 1988-01-14 | Heidenhain Gmbh Dr Johannes | Photoelectric measuring device |
DE8717558U1 (en) * | 1987-02-21 | 1989-02-23 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Photoelectric position measuring device |
DE3918726C1 (en) * | 1989-06-08 | 1991-01-10 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De | |
GB9109501D0 (en) * | 1991-05-02 | 1991-06-26 | Orton Paul A | Shaft displacement measuring system |
FR2686689B1 (en) * | 1992-01-24 | 1997-01-03 | Paris Sud Universite | POSITION SENSOR AND GAUGE FOR INDICATING THE LEVEL OF A LIQUID IN A TANK COMPRISING SUCH A SENSOR. |
GB201916662D0 (en) | 2019-11-15 | 2020-01-01 | Renishaw Plc | Encoder apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB822543A (en) * | 1955-02-14 | 1959-10-28 | Nat Res Dev | Improvements in or relating to optical measuring systems |
GB1380045A (en) * | 1970-12-21 | 1975-01-08 | Secretary Trade Ind Brit | Position detection and control devices |
GB1456366A (en) * | 1972-12-14 | 1976-11-24 | Hawker Siddeley Dynamics Ltd | Linear displacement devices |
DD143953B1 (en) * | 1979-07-31 | 1981-07-29 | Der Goenne Rainer Von | Optical-electronic measuring device for incremental angle measurement |
DE2952106C2 (en) * | 1979-12-22 | 1982-11-04 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Photoelectric incremental length or angle measuring device |
US4427883A (en) * | 1981-05-27 | 1984-01-24 | The Stanley Works | Optical sensing system for extensible tape rules |
EP0074767B1 (en) * | 1981-09-07 | 1988-01-27 | Hugh-Peter Granville Kelly | Improvements in or relating to linear motor and control circuitry therefor |
US4475034A (en) * | 1982-06-24 | 1984-10-02 | International Business Machines Corporation | Modular shaft encoder |
-
1983
- 1983-09-01 DD DD25442183A patent/DD221828A1/en not_active IP Right Cessation
-
1984
- 1984-07-23 DE DE19843427047 patent/DE3427047A1/en not_active Withdrawn
- 1984-08-30 NL NL8402650A patent/NL8402650A/en not_active Application Discontinuation
- 1984-08-31 GB GB08422016A patent/GB2146765A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
NL8402650A (en) | 1985-04-01 |
DE3427047A1 (en) | 1985-03-21 |
DD221828A1 (en) | 1985-05-02 |
GB2146765A (en) | 1985-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |