NL7503103A - DEVICE FOR DISPLACEMENT MEASUREMENTS. - Google Patents
DEVICE FOR DISPLACEMENT MEASUREMENTS.Info
- Publication number
- NL7503103A NL7503103A NL7503103A NL7503103A NL7503103A NL 7503103 A NL7503103 A NL 7503103A NL 7503103 A NL7503103 A NL 7503103A NL 7503103 A NL7503103 A NL 7503103A NL 7503103 A NL7503103 A NL 7503103A
- Authority
- NL
- Netherlands
- Prior art keywords
- displacement measurements
- measurements
- displacement
- Prior art date
Links
- 238000006073 displacement reaction Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 title 1
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
- G01D5/36—Forming the light into pulses
- G01D5/363—Direction discrimination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11598/74A GB1504691A (en) | 1974-03-15 | 1974-03-15 | Measurement apparatus |
GB4452274 | 1974-10-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7503103A true NL7503103A (en) | 1975-09-17 |
NL185178B NL185178B (en) | 1989-09-01 |
NL185178C NL185178C (en) | 1990-02-01 |
Family
ID=26248389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7503103A NL185178C (en) | 1974-03-15 | 1975-03-14 | Apparatus for the photoelectric measurement of a relative shift between two elements. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS6023282B2 (en) |
DE (2) | DE2511350A1 (en) |
FR (1) | FR2329972A1 (en) |
NL (1) | NL185178C (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170214U (en) * | 1983-04-30 | 1984-11-14 | 株式会社ベルデックス | micro scale |
DE3325803C2 (en) * | 1983-07-16 | 1986-11-20 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Incremental photoelectric measuring device |
DE3334398C1 (en) * | 1983-09-23 | 1984-11-22 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Measuring device |
GB8615197D0 (en) * | 1986-06-21 | 1986-07-23 | Renishaw Plc | Opto-electronic scale reading apparatus |
GB8729066D0 (en) * | 1987-12-12 | 1988-01-27 | Renishaw Plc | Opto-electronic scale-reading apparatus |
US4943716A (en) * | 1988-01-22 | 1990-07-24 | Mitutoyo Corporation | Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations |
US4979827A (en) * | 1988-02-26 | 1990-12-25 | Kabushiki Kaisha Okuma Tekkosho | Optical linear encoder |
JPH0218680U (en) * | 1988-07-19 | 1990-02-07 | ||
JP3196459B2 (en) * | 1993-10-29 | 2001-08-06 | キヤノン株式会社 | Rotary encoder |
JP3513251B2 (en) * | 1994-03-14 | 2004-03-31 | キヤノン株式会社 | Optical displacement sensor |
JP3631551B2 (en) * | 1996-01-23 | 2005-03-23 | 株式会社ミツトヨ | Optical encoder |
DE19859670A1 (en) * | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Readhead and method of making same |
DE19859669A1 (en) | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Integrated optoelectronic sensor and method for its production |
DE19917950A1 (en) | 1999-04-21 | 2000-10-26 | Heidenhain Gmbh Dr Johannes | Integrated optoelectronic thin film sensor, useful for scale scanning in a length, angle or two-dimensional measuring system, has a semiconductor layer of thickness corresponding to that of the detecting region of photodetectors |
US7186969B2 (en) | 2003-02-12 | 2007-03-06 | Mitutoyo Corporation | Optical configuration for imaging-type optical encoders |
KR20070020133A (en) * | 2004-07-12 | 2007-02-16 | 미쓰비시덴키 가부시키가이샤 | Optical encoder |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE383933B (en) * | 1968-03-06 | 1976-04-05 | Holotron Corp | ULTRAL SOUND LENS AND WAY TO PRODUCE THIS |
US3578979A (en) * | 1968-04-23 | 1971-05-18 | Tajima Seisakusho Kk | Electrical signal generating apparatus having a scale grid |
GB1231029A (en) * | 1968-12-13 | 1971-05-05 | ||
GB1353470A (en) * | 1970-10-19 | 1974-05-15 | Post D | Position measuring apparatus utilizing moire fringe multiplication |
US3768911A (en) * | 1971-08-17 | 1973-10-30 | Keuffel & Esser Co | Electro-optical incremental motion and position indicator |
US3812352A (en) * | 1972-08-28 | 1974-05-21 | Itek Corp | Encoder readout system |
-
1975
- 1975-03-14 JP JP50031737A patent/JPS6023282B2/en not_active Expired
- 1975-03-14 DE DE19752511350 patent/DE2511350A1/en active Granted
- 1975-03-14 FR FR7508096A patent/FR2329972A1/en active Granted
- 1975-03-14 DE DE19757508197 patent/DE7508197U/en not_active Expired
- 1975-03-14 NL NL7503103A patent/NL185178C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6023282B2 (en) | 1985-06-06 |
NL185178C (en) | 1990-02-01 |
JPS50136057A (en) | 1975-10-28 |
DE2511350A1 (en) | 1975-10-09 |
FR2329972A1 (en) | 1977-05-27 |
DE2511350C2 (en) | 1987-06-04 |
FR2329972B1 (en) | 1982-03-26 |
AU7911675A (en) | 1976-09-16 |
NL185178B (en) | 1989-09-01 |
DE7508197U (en) | 1976-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |