DE3884474D1 - Drehpositionskodierer. - Google Patents
Drehpositionskodierer.Info
- Publication number
- DE3884474D1 DE3884474D1 DE88110217T DE3884474T DE3884474D1 DE 3884474 D1 DE3884474 D1 DE 3884474D1 DE 88110217 T DE88110217 T DE 88110217T DE 3884474 T DE3884474 T DE 3884474T DE 3884474 D1 DE3884474 D1 DE 3884474D1
- Authority
- DE
- Germany
- Prior art keywords
- rotational encoder
- encoder
- rotational
- 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
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/301—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/068,009 US4819051A (en) | 1987-06-29 | 1987-06-29 | Compensated rotary position encoder |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3884474D1 true DE3884474D1 (de) | 1993-11-04 |
DE3884474T2 DE3884474T2 (de) | 1994-02-17 |
Family
ID=22079845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88110217T Expired - Fee Related DE3884474T2 (de) | 1987-06-29 | 1988-06-27 | Drehpositionskodierer. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4819051A (de) |
EP (1) | EP0297482B1 (de) |
JP (1) | JPS6423116A (de) |
DE (1) | DE3884474T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3833115A1 (de) * | 1987-09-30 | 1989-04-20 | Okuma Machinery Works Ltd | Optischer codierer |
US5042157A (en) * | 1988-08-08 | 1991-08-27 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic angular orientation sensor digital serial encoding |
US5099698A (en) * | 1989-04-14 | 1992-03-31 | Merck & Co. | Electronic readout for a rotameter flow gauge |
DE69022571T2 (de) * | 1989-12-26 | 1996-03-28 | Canon Kk | Rotations-Detektorapparat. |
US5323001A (en) * | 1989-12-26 | 1994-06-21 | Canon Kabushiki Kaisha | Rotary encoder with scale member and interference of zero and first order diffraction beam |
JPH05256666A (ja) * | 1992-03-13 | 1993-10-05 | Canon Inc | ロータリーエンコーダー |
US5558585A (en) * | 1994-12-06 | 1996-09-24 | Muscle Memory, Inc. | Device for detecting head movement |
US5640007A (en) * | 1995-06-21 | 1997-06-17 | Limitorque Corporation | Optical encoder comprising a plurality of encoder wheels |
DE19527287C2 (de) * | 1995-07-26 | 2000-06-29 | Heidenhain Gmbh Dr Johannes | Fotoelektrisches Weg- und Winkelmeßsystem zum Messen der Verschiebung zweier Objekte zueinander |
US6594225B1 (en) * | 2000-03-01 | 2003-07-15 | Funai Electric Co., Ltd. | Disk rotation monitoring mechanism with parallel sensor unit |
DE10351560A1 (de) * | 2003-11-03 | 2005-06-02 | Metronic Ag | Impulsgeber |
JP2007202382A (ja) * | 2005-12-28 | 2007-08-09 | Mabuchi Motor Co Ltd | 小型モータの光学式エンコーダ装置及びその製造方法 |
CN101813463B (zh) * | 2010-04-20 | 2011-10-05 | 重庆理工大学 | 光栅莫尔条纹信号软细分方法 |
CN102679888B (zh) * | 2012-06-01 | 2016-02-17 | 沈阳工业大学 | 基于少量空间点的莫尔条纹高倍细分方法及设备 |
TWI585372B (zh) * | 2016-02-05 | 2017-06-01 | 曾信得 | 光學掃描式導光編碼器 |
TWI633282B (zh) * | 2016-04-15 | 2018-08-21 | 曾信得 | 正向對焦掃描式導光編碼器 |
US11428589B2 (en) * | 2017-10-16 | 2022-08-30 | Saf-Holland, Inc. | Displacement sensor utilizing ronchi grating interference |
DE102018251727A1 (de) * | 2017-12-29 | 2019-07-04 | Mitutoyo Corporation | Verschmutzungs- und defektbeständige optische Drehpositionsgeberkonfiguration zum Bereitstellen von Verschiebungssignalen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH426285A (de) * | 1964-03-16 | 1966-12-15 | Contraves Ag | Digitale Winkelmesseinrichtung |
US3400275A (en) * | 1965-07-22 | 1968-09-03 | Trump Ross Ind Controls Inc | Optical encoder having a common light source located in a rotatable shuttered housing |
GB1247975A (en) * | 1969-09-24 | 1971-09-29 | Rolls Royce | Improvements in or relating to apparatus, e.g. for determining the position of a movable member, and method of using same |
US4641027A (en) * | 1984-12-18 | 1987-02-03 | Battelle Memorial Institute | Indicating positions |
DE3633574A1 (de) * | 1986-10-02 | 1988-04-14 | Heidenhain Gmbh Dr Johannes | Lichtelektrische winkelmesseinrichtung |
-
1987
- 1987-06-29 US US07/068,009 patent/US4819051A/en not_active Expired - Lifetime
-
1988
- 1988-06-27 EP EP88110217A patent/EP0297482B1/de not_active Expired - Lifetime
- 1988-06-27 DE DE88110217T patent/DE3884474T2/de not_active Expired - Fee Related
- 1988-06-29 JP JP63159590A patent/JPS6423116A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6423116A (en) | 1989-01-25 |
DE3884474T2 (de) | 1994-02-17 |
EP0297482A3 (de) | 1991-10-16 |
US4819051A (en) | 1989-04-04 |
EP0297482B1 (de) | 1993-09-29 |
EP0297482A2 (de) | 1989-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |