DE69818160D1 - Optischer Kodierer - Google Patents
Optischer KodiererInfo
- Publication number
- DE69818160D1 DE69818160D1 DE69818160T DE69818160T DE69818160D1 DE 69818160 D1 DE69818160 D1 DE 69818160D1 DE 69818160 T DE69818160 T DE 69818160T DE 69818160 T DE69818160 T DE 69818160T DE 69818160 D1 DE69818160 D1 DE 69818160D1
- Authority
- DE
- Germany
- Prior art keywords
- optical encoder
- encoder
- optical
- 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
- 230000003287 optical effect Effects 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
- G01D5/347—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 using displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
- G01D5/34723—Scale reading or illumination devices involving light-guides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9182763A JPH1123322A (ja) | 1997-07-08 | 1997-07-08 | 光学式エンコーダ |
JP18276397 | 1997-07-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69818160D1 true DE69818160D1 (de) | 2003-10-23 |
DE69818160T2 DE69818160T2 (de) | 2004-04-08 |
Family
ID=16124007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69818160T Expired - Fee Related DE69818160T2 (de) | 1997-07-08 | 1998-06-22 | Optischer Kodierer |
Country Status (4)
Country | Link |
---|---|
US (1) | US6127677A (de) |
EP (1) | EP0890842B1 (de) |
JP (1) | JPH1123322A (de) |
DE (1) | DE69818160T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19922009B4 (de) * | 1999-05-12 | 2012-02-16 | Dr. Johannes Heidenhain Gmbh | Rotatorische Positionsmeßeinrichtung |
US20030145331A1 (en) * | 2002-01-31 | 2003-07-31 | Escobar George D. | Modifying content retrieved from a set-top box |
EP1528369B1 (de) * | 2003-10-27 | 2014-03-12 | SICK STEGMANN GmbH | Optischer Drehwinkelsensor |
CN114739325B (zh) * | 2022-03-17 | 2024-03-29 | 张剑辉 | 一种步进电机转子中心偏差测量装置及测量方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1259621B (de) * | 1965-03-25 | 1968-01-25 | Telefunken Patent | Lichtelektrischer Messgenerator |
GB1461201A (en) * | 1974-03-18 | 1977-01-13 | Plessey Co Ltd | Optical tachometer |
JPS62123830A (ja) * | 1985-11-25 | 1987-06-05 | Sharp Corp | ロ−タリ−エンコ−ダ |
DE4113720C2 (de) * | 1991-04-26 | 1996-01-11 | Daimler Benz Ag | Gabellichtschranke |
EP0646796B1 (de) * | 1993-09-30 | 1999-12-08 | Koninklijke Philips Electronics N.V. | Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts |
US5569912A (en) * | 1993-09-30 | 1996-10-29 | U.S. Philips Corporation | Optical velocity measuring with efficient use of radiation passing through patterns on discs |
-
1997
- 1997-07-08 JP JP9182763A patent/JPH1123322A/ja not_active Withdrawn
-
1998
- 1998-06-22 DE DE69818160T patent/DE69818160T2/de not_active Expired - Fee Related
- 1998-06-22 EP EP98304875A patent/EP0890842B1/de not_active Expired - Lifetime
- 1998-07-08 US US09/111,992 patent/US6127677A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH1123322A (ja) | 1999-01-29 |
EP0890842B1 (de) | 2003-09-17 |
EP0890842A1 (de) | 1999-01-13 |
US6127677A (en) | 2000-10-03 |
DE69818160T2 (de) | 2004-04-08 |
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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 |