GB2022843B - Determining carriage position - Google Patents
Determining carriage positionInfo
- Publication number
- GB2022843B GB2022843B GB7919681A GB7919681A GB2022843B GB 2022843 B GB2022843 B GB 2022843B GB 7919681 A GB7919681 A GB 7919681A GB 7919681 A GB7919681 A GB 7919681A GB 2022843 B GB2022843 B GB 2022843B
- Authority
- GB
- United Kingdom
- Prior art keywords
- carriage position
- determining carriage
- determining
- carriage
- 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.)
- 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
- G01D5/34776—Absolute encoders with analogue or digital scales
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7919681A GB2022843B (en) | 1978-06-06 | 1979-06-06 | Determining carriage position |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7826425 | 1978-06-06 | ||
GB7919681A GB2022843B (en) | 1978-06-06 | 1979-06-06 | Determining carriage position |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2022843A GB2022843A (en) | 1979-12-19 |
GB2022843B true GB2022843B (en) | 1982-09-02 |
Family
ID=26267917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7919681A Expired GB2022843B (en) | 1978-06-06 | 1979-06-06 | Determining carriage position |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2022843B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0077163B1 (en) * | 1981-10-08 | 1988-12-14 | United Kingdom Atomic Energy Authority | Transducers for providing an electrical signal representative of physical movement |
DE3201005A1 (en) * | 1982-01-15 | 1983-07-28 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | DEVICE FOR ERROR CORRECTION IN POSITION MEASURING SYSTEMS |
US4982509A (en) * | 1988-08-19 | 1991-01-08 | Delta International Machinery Corp. | Measurement system having multiple display orientations |
-
1979
- 1979-06-06 GB GB7919681A patent/GB2022843B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2022843A (en) | 1979-12-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |