FR2615280B1 - Dispositif de mesure de la distance en mouvement relatif de deux objets mobiles l'un par rapport a l'autre - Google Patents
Dispositif de mesure de la distance en mouvement relatif de deux objets mobiles l'un par rapport a l'autreInfo
- Publication number
- FR2615280B1 FR2615280B1 FR8806316A FR8806316A FR2615280B1 FR 2615280 B1 FR2615280 B1 FR 2615280B1 FR 8806316 A FR8806316 A FR 8806316A FR 8806316 A FR8806316 A FR 8806316A FR 2615280 B1 FR2615280 B1 FR 2615280B1
- Authority
- FR
- France
- Prior art keywords
- relation
- measuring
- distance relative
- mobile objects
- motion distance
- 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 - Fee Related
Links
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62112260A JPS63277909A (ja) | 1987-05-11 | 1987-05-11 | 測長装置 |
JP62112261A JPH0648169B2 (ja) | 1987-05-11 | 1987-05-11 | 測長装置 |
JP62112262A JPS63277904A (ja) | 1987-05-11 | 1987-05-11 | 測長装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2615280A1 FR2615280A1 (fr) | 1988-11-18 |
FR2615280B1 true FR2615280B1 (fr) | 1996-07-19 |
Family
ID=27312220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8806316A Expired - Fee Related FR2615280B1 (fr) | 1987-05-11 | 1988-05-10 | Dispositif de mesure de la distance en mouvement relatif de deux objets mobiles l'un par rapport a l'autre |
Country Status (4)
Country | Link |
---|---|
US (1) | US5122660A (fr) |
DE (1) | DE3816248C2 (fr) |
FR (1) | FR2615280B1 (fr) |
GB (1) | GB2205942B (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0769162B2 (ja) * | 1990-04-23 | 1995-07-26 | 大日本スクリーン製造株式会社 | 光学的検査システムのための自動焦点合わせ装置 |
GB2256476B (en) * | 1991-05-30 | 1995-09-27 | Rank Taylor Hobson Ltd | Positional measurement |
US5332539A (en) * | 1993-03-26 | 1994-07-26 | Cincinnati Milacron Inc. | Non-contact linear position transducer for an injection molding machine and method of using |
DE4317064A1 (de) * | 1993-05-21 | 1994-11-24 | Bosch Gmbh Robert | Positionsmeßvorrichtung |
US5566024A (en) * | 1993-12-23 | 1996-10-15 | Xerox Corporation | Beam separation control and beam splitting by single blazed binary diffraction optical element |
DE19813318A1 (de) * | 1998-03-26 | 1999-09-30 | Bosch Gmbh Robert | Verfahren zum Erfassen der Winkelstellung eines um eine Drehachse dreh- oder schwenkbaren Elements, insbesondere einer Drosselklappe oder Drosselklappenwelle |
JP3413122B2 (ja) * | 1998-05-21 | 2003-06-03 | キヤノン株式会社 | 位置決め装置及びこれを用いた露光装置並びにデバイス製造方法 |
US6137580A (en) * | 1998-09-22 | 2000-10-24 | Creo Srl | Autofocus system |
US20030002043A1 (en) * | 2001-04-10 | 2003-01-02 | Kla-Tencor Corporation | Periodic patterns and technique to control misalignment |
DE10151216A1 (de) * | 2001-10-16 | 2003-04-24 | Zeiss Carl Jena Gmbh | Verfahren zur optischen Erfassung von charakteristischen Größen einer beleuchteten Probe |
US6741364B2 (en) * | 2002-08-13 | 2004-05-25 | Harris Corporation | Apparatus for determining relative positioning of objects and related methods |
US8274639B2 (en) * | 2008-04-30 | 2012-09-25 | Nikon Corporation | Stage device, pattern formation apparatus, exposure apparatus, stage drive method, exposure method, and device manufacturing method |
CN102089617B (zh) * | 2008-07-07 | 2013-06-12 | 皇家飞利浦电子股份有限公司 | 激光自混合测量系统 |
US8575791B2 (en) * | 2010-12-17 | 2013-11-05 | National Formosa University | Manufacturing-process equipment |
GB201313751D0 (en) * | 2013-08-01 | 2013-09-18 | Renishaw Plc | Rotation Detection Apparatus |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1247036B (de) * | 1961-08-30 | 1967-08-10 | Leitz Ernst Gmbh | Anordnung zur fotoelektrischen Messung der Lage einer Messmarke |
FR1340093A (fr) * | 1962-12-03 | 1963-10-11 | Hensoldt Und Sohne M | Appareillage photo-électrique pour l'indication de la valeur du déplacement d'un organe mobile |
DE2229996A1 (de) * | 1972-06-20 | 1974-01-10 | Leitz Ernst Gmbh | Fotoelektrischer schrittgeber fuer laengen- und winkelmessung |
DE2729697A1 (de) * | 1977-07-01 | 1979-01-04 | Heidenhain Gmbh Dr Johannes | Verfahren zur interpolation |
DE2944162C2 (de) * | 1979-11-02 | 1984-10-18 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Lichtelektrische digitale Meßeinrichtung |
DE3071858D1 (en) * | 1980-07-31 | 1987-01-22 | Ibm | Method and device for optical distance measurement |
JPS58191907A (ja) * | 1982-05-04 | 1983-11-09 | Canon Inc | 移動量測定方法 |
JPS58191906A (ja) * | 1982-05-04 | 1983-11-09 | Canon Inc | 基準尺を用いた測長方法 |
DE3484649D1 (de) * | 1983-11-04 | 1991-07-04 | Sony Magnescale Inc | Optisches instrument zur messung einer verschiebung. |
US4656347A (en) * | 1984-01-30 | 1987-04-07 | Nippon Telegraph & Telephone Public Corporation | Diffraction grating position adjuster using a grating and a reflector |
GB2178529B (en) * | 1985-06-28 | 1989-12-28 | Canon Kk | Optical encoder |
-
1988
- 1988-05-10 FR FR8806316A patent/FR2615280B1/fr not_active Expired - Fee Related
- 1988-05-11 DE DE3816248A patent/DE3816248C2/de not_active Expired - Fee Related
- 1988-05-11 GB GB8811132A patent/GB2205942B/en not_active Expired - Lifetime
-
1991
- 1991-03-19 US US07/671,657 patent/US5122660A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8811132D0 (en) | 1988-06-15 |
GB2205942A (en) | 1988-12-21 |
FR2615280A1 (fr) | 1988-11-18 |
GB2205942B (en) | 1992-01-29 |
US5122660A (en) | 1992-06-16 |
DE3816248A1 (de) | 1988-12-08 |
DE3816248C2 (de) | 2000-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |