GB1549637A - Optical measuring apparatus - Google Patents
Optical measuring apparatusInfo
- Publication number
- GB1549637A GB1549637A GB2769476A GB2769476A GB1549637A GB 1549637 A GB1549637 A GB 1549637A GB 2769476 A GB2769476 A GB 2769476A GB 2769476 A GB2769476 A GB 2769476A GB 1549637 A GB1549637 A GB 1549637A
- Authority
- GB
- United Kingdom
- Prior art keywords
- measuring apparatus
- optical measuring
- optical
- measuring
- 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
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/002—Details
-
- 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
-
- G—PHYSICS
- G12—INSTRUMENT DETAILS
- G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
- G12B11/00—Indicating elements; Illumination thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752530163 DE2530163A1 (en) | 1975-07-05 | 1975-07-05 | Positioning optical measuring instrument - has grating illuminator and image optics for positioning or reading of relative position of two objects |
| DE19752540413 DE2540413C3 (en) | 1975-09-11 | 1975-09-11 | Optical measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1549637A true GB1549637A (en) | 1979-08-08 |
Family
ID=25769118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2769476A Expired GB1549637A (en) | 1975-07-05 | 1976-07-02 | Optical measuring apparatus |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS528850A (en) |
| AT (1) | AT368282B (en) |
| CH (1) | CH600300A5 (en) |
| FR (1) | FR2317633A1 (en) |
| GB (1) | GB1549637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020166A (en) * | 2017-03-13 | 2018-05-11 | 湖南科技大学 | High-precision measuring rule based on optics micrometer principle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2479445A1 (en) * | 1980-03-25 | 1981-10-02 | Soro Electro Optics | Optical measuring system for cursor displacement - uses reflecting surfaces in prism to increase optical path length through gratings and light detectors for movement determination |
-
1976
- 1976-05-24 CH CH649076A patent/CH600300A5/xx not_active IP Right Cessation
- 1976-06-10 AT AT422976A patent/AT368282B/en active
- 1976-07-02 GB GB2769476A patent/GB1549637A/en not_active Expired
- 1976-07-02 FR FR7620377A patent/FR2317633A1/en active Granted
- 1976-07-02 JP JP7800076A patent/JPS528850A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020166A (en) * | 2017-03-13 | 2018-05-11 | 湖南科技大学 | High-precision measuring rule based on optics micrometer principle |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2317633B1 (en) | 1981-04-30 |
| FR2317633A1 (en) | 1977-02-04 |
| JPS528850A (en) | 1977-01-24 |
| CH600300A5 (en) | 1978-06-15 |
| AT368282B (en) | 1982-09-27 |
| JPS5627804B2 (en) | 1981-06-27 |
| ATA422976A (en) | 1982-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |