JPS50136057A - - Google Patents
Info
- Publication number
- JPS50136057A JPS50136057A JP3173775A JP3173775A JPS50136057A JP S50136057 A JPS50136057 A JP S50136057A JP 3173775 A JP3173775 A JP 3173775A JP 3173775 A JP3173775 A JP 3173775A JP S50136057 A JPS50136057 A JP S50136057A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G01D5/36—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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11598/74A GB1504691A (en) | 1974-03-15 | 1974-03-15 | Measurement apparatus |
GB11598/74 | 1974-03-15 | ||
GB44522/74 | 1974-10-14 | ||
GB4452274 | 1974-10-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS50136057A true JPS50136057A (sv) | 1975-10-28 |
JPS6023282B2 JPS6023282B2 (ja) | 1985-06-06 |
Family
ID=26248389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50031737A Expired JPS6023282B2 (ja) | 1974-03-15 | 1975-03-14 | 相対変位測定装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS6023282B2 (sv) |
DE (2) | DE7508197U (sv) |
FR (1) | FR2329972A1 (sv) |
NL (1) | NL185178C (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170214U (ja) * | 1983-04-30 | 1984-11-14 | 株式会社ベルデックス | マイクロスケ−ル |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3325803C2 (de) * | 1983-07-16 | 1986-11-20 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Inkrementale, lichtelektrische Meßeinrichtung |
DE3334398C1 (de) * | 1983-09-23 | 1984-11-22 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Messeinrichtung |
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 |
GB2216257B (en) * | 1988-02-26 | 1992-06-24 | Okuma Machinery Works Ltd | Optical linear encoder |
JPH0218680U (sv) * | 1988-07-19 | 1990-02-07 | ||
JP3196459B2 (ja) * | 1993-10-29 | 2001-08-06 | キヤノン株式会社 | ロータリーエンコーダ |
JP3513251B2 (ja) * | 1994-03-14 | 2004-03-31 | キヤノン株式会社 | 光学式変位センサ |
JP3631551B2 (ja) * | 1996-01-23 | 2005-03-23 | 株式会社ミツトヨ | 光学式エンコーダ |
DE19859669A1 (de) * | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Integrierter optoelektronischer Sensor und Verfahren zu dessen Herstellung |
DE19859670A1 (de) | 1998-12-23 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Abtastkopf und Verfahren zu dessen Herstellung |
DE19917950A1 (de) | 1999-04-21 | 2000-10-26 | Heidenhain Gmbh Dr Johannes | Integrierter optoelektronischer Dünnschichtsensor und Verfahren zu dessen Herstellung |
US7186969B2 (en) | 2003-02-12 | 2007-03-06 | Mitutoyo Corporation | Optical configuration for imaging-type optical encoders |
KR20070020133A (ko) * | 2004-07-12 | 2007-02-16 | 미쓰비시덴키 가부시키가이샤 | 광학식 인코더 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4829464A (sv) * | 1971-08-17 | 1973-04-19 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911231A1 (de) * | 1968-03-06 | 1970-02-12 | Holotron Corp | Ultraschall-Mammograph |
US3578979A (en) * | 1968-04-23 | 1971-05-18 | Tajima Seisakusho Kk | Electrical signal generating apparatus having a scale grid |
GB1231029A (sv) * | 1968-12-13 | 1971-05-05 | ||
GB1353470A (en) * | 1970-10-19 | 1974-05-15 | Post D | Position measuring apparatus utilizing moire fringe multiplication |
US3812352A (en) * | 1972-08-28 | 1974-05-21 | Itek Corp | Encoder readout system |
-
1975
- 1975-03-14 FR FR7508096A patent/FR2329972A1/fr active Granted
- 1975-03-14 JP JP50031737A patent/JPS6023282B2/ja not_active Expired
- 1975-03-14 NL NL7503103A patent/NL185178C/xx not_active IP Right Cessation
- 1975-03-14 DE DE19757508197 patent/DE7508197U/de not_active Expired
- 1975-03-14 DE DE19752511350 patent/DE2511350A1/de active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4829464A (sv) * | 1971-08-17 | 1973-04-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170214U (ja) * | 1983-04-30 | 1984-11-14 | 株式会社ベルデックス | マイクロスケ−ル |
Also Published As
Publication number | Publication date |
---|---|
NL185178C (nl) | 1990-02-01 |
AU7911675A (en) | 1976-09-16 |
FR2329972B1 (sv) | 1982-03-26 |
NL7503103A (nl) | 1975-09-17 |
NL185178B (nl) | 1989-09-01 |
JPS6023282B2 (ja) | 1985-06-06 |
DE7508197U (de) | 1976-02-05 |
DE2511350A1 (de) | 1975-10-09 |
DE2511350C2 (sv) | 1987-06-04 |
FR2329972A1 (fr) | 1977-05-27 |