CA1087389A - Distance measuring gauge using relative movement between diffraction gratings - Google Patents
Distance measuring gauge using relative movement between diffraction gratingsInfo
- Publication number
- CA1087389A CA1087389A CA249,931A CA249931A CA1087389A CA 1087389 A CA1087389 A CA 1087389A CA 249931 A CA249931 A CA 249931A CA 1087389 A CA1087389 A CA 1087389A
- Authority
- CA
- Canada
- Prior art keywords
- measuring
- gratings
- measuring member
- surface portions
- radiations
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- 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
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
- G01B3/24—Feeler-pin gauges, e.g. dial gauges with open yoke, i.e. calipers
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB14846/75A GB1550185A (en) | 1975-04-10 | 1975-04-10 | Distance measuring gauge |
| GB14846/75 | 1975-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1087389A true CA1087389A (en) | 1980-10-14 |
Family
ID=10048521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA249,931A Expired CA1087389A (en) | 1975-04-10 | 1976-04-09 | Distance measuring gauge using relative movement between diffraction gratings |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS51123657A (cg-RX-API-DMAC7.html) |
| AU (1) | AU500342B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR7602203A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1087389A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2615676A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES447179A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2312758A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1550185A (cg-RX-API-DMAC7.html) |
| HK (1) | HK19480A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1059741B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7603700A (cg-RX-API-DMAC7.html) |
| SE (1) | SE413941B (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA762090B (cg-RX-API-DMAC7.html) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2727769C2 (de) * | 1977-06-21 | 1979-01-25 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Gekapselte Längenmeßeinrichtung für große Meßlängen |
| JPS54145562A (en) * | 1978-05-04 | 1979-11-13 | Mitsutoyo Seisakusho | Slide calipers with digital display |
| US4403860A (en) * | 1980-03-27 | 1983-09-13 | Diffracto Ltd. | Apparatus for determining dimensions |
| DE3125184A1 (de) * | 1981-06-26 | 1983-01-13 | Adolf 7118 Ingelfingen Mütsch | "elektrooptische messvorrichtung" |
| ATA395181A (de) * | 1981-09-14 | 1986-12-15 | Rieder Heinz | Handmessgeraet |
| US4554742A (en) * | 1983-09-16 | 1985-11-26 | Ford Motor Company | Dimensional checking tool |
| GB2223845B (en) * | 1988-10-14 | 1992-10-28 | Brian Arthur Evans | Digital tyre pressure gauge |
| US5239307A (en) * | 1989-10-10 | 1993-08-24 | Micro Encoder Inc. | Method and apparatus for sensing of position |
| JPH087054B2 (ja) * | 1990-10-22 | 1996-01-29 | 株式会社ミツトヨ | 変位検出器 |
| US5125165A (en) * | 1990-11-28 | 1992-06-30 | Mitutoyo Corporation | Precision linear measuring device having an improved spindle mounting device |
| US5172485A (en) * | 1991-10-17 | 1992-12-22 | Mitutoyo Corporation | Precision linear measuring suspension system having sliding contact between the scale and the pick-off |
| DE29916394U1 (de) * | 1999-09-17 | 2001-02-15 | Dr. Johannes Heidenhain Gmbh, 83301 Traunreut | Optische Positionsmeßeinrichtung |
| DE10356328A1 (de) * | 2003-10-27 | 2005-06-16 | Sick Stegmann Gmbh | Optischer Weglängen- oder Drehwinkelsensor |
| EP1528369B1 (de) | 2003-10-27 | 2014-03-12 | SICK STEGMANN GmbH | Optischer Drehwinkelsensor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760321A (en) * | 1953-03-14 | 1956-10-31 | Ferranti Ltd | Improvements relating to measuring apparatus |
| US2996806A (en) * | 1959-08-17 | 1961-08-22 | Zeiss Carl | Vertical length measuring device |
| FR1323304A (fr) * | 1962-05-18 | 1963-04-05 | Wenczler & Heidenhain | Dispositif pour déterminer la position relative de deux pièces |
| DE1548874A1 (de) * | 1966-12-10 | 1970-10-01 | Wenczler & Heidenhain | Fotoelektrische Einrichtung zur Lagebestimmung eines Objektes |
| US3867037A (en) * | 1973-08-29 | 1975-02-18 | Dynamics Res Corp | Linear motion encoder |
-
1975
- 1975-04-10 GB GB14846/75A patent/GB1550185A/en not_active Expired
-
1976
- 1976-04-05 FR FR7610371A patent/FR2312758A1/fr active Granted
- 1976-04-07 ZA ZA762090A patent/ZA762090B/xx unknown
- 1976-04-07 AU AU12772/76A patent/AU500342B2/en not_active Expired
- 1976-04-08 SE SE7604176A patent/SE413941B/xx unknown
- 1976-04-08 NL NL7603700A patent/NL7603700A/xx not_active Application Discontinuation
- 1976-04-09 ES ES447179A patent/ES447179A1/es not_active Expired
- 1976-04-09 BR BR7602203A patent/BR7602203A/pt unknown
- 1976-04-09 IT IT22133/76A patent/IT1059741B/it active
- 1976-04-09 DE DE19762615676 patent/DE2615676A1/de not_active Withdrawn
- 1976-04-09 CA CA249,931A patent/CA1087389A/en not_active Expired
- 1976-04-10 JP JP51039837A patent/JPS51123657A/ja active Pending
-
1980
- 1980-04-10 HK HK194/80A patent/HK19480A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51123657A (en) | 1976-10-28 |
| DE2615676A1 (de) | 1976-10-21 |
| BR7602203A (pt) | 1976-10-05 |
| SE413941B (sv) | 1980-06-30 |
| AU500342B2 (en) | 1979-05-17 |
| HK19480A (en) | 1980-04-18 |
| FR2312758B1 (cg-RX-API-DMAC7.html) | 1982-07-16 |
| IT1059741B (it) | 1982-06-21 |
| FR2312758A1 (fr) | 1976-12-24 |
| GB1550185A (en) | 1979-08-08 |
| ES447179A1 (es) | 1977-12-01 |
| AU1277276A (en) | 1977-10-13 |
| ZA762090B (en) | 1977-04-27 |
| NL7603700A (nl) | 1976-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |