ATE458985T1 - Drehgeber - Google Patents
DrehgeberInfo
- Publication number
- ATE458985T1 ATE458985T1 AT00919788T AT00919788T ATE458985T1 AT E458985 T1 ATE458985 T1 AT E458985T1 AT 00919788 T AT00919788 T AT 00919788T AT 00919788 T AT00919788 T AT 00919788T AT E458985 T1 ATE458985 T1 AT E458985T1
- Authority
- AT
- Austria
- Prior art keywords
- read head
- measurement pattern
- strip
- disk
- position measurement
- Prior art date
Links
- 238000005259 measurement Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 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
- G01D5/34776—Absolute encoders with analogue or digital scales
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Stepping Motors (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2000/008294 WO2001073379A1 (en) | 2000-03-28 | 2000-03-28 | Rotary encoder |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE458985T1 true ATE458985T1 (de) | 2010-03-15 |
Family
ID=21741210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00919788T ATE458985T1 (de) | 2000-03-28 | 2000-03-28 | Drehgeber |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1272817B1 (de) |
AT (1) | ATE458985T1 (de) |
AU (1) | AU2000240414A1 (de) |
CA (1) | CA2443768C (de) |
DE (1) | DE60043898D1 (de) |
WO (1) | WO2001073379A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2391302A (en) * | 2002-06-13 | 2004-02-04 | Graham Cyril Rumsey | A system for the measurement of torque,vibration, balance and/or speed |
US7385178B2 (en) | 2005-10-26 | 2008-06-10 | Avago Technologies Ecbu Ip Pte Ltd | Reflective encoders with various emitter-detector configurations |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59224515A (ja) * | 1983-06-03 | 1984-12-17 | Mitsubishi Electric Corp | 光学式エンコ−ダ |
JPS6255511A (ja) * | 1985-09-05 | 1987-03-11 | Sharp Corp | ロ−タリ−エンコ−ダ |
NL8502679A (nl) * | 1985-10-01 | 1987-05-04 | Philips Nv | Optisch omzetelement en verplaatsingsmeter voorzien van dit element. |
EP0330150B1 (de) * | 1988-02-22 | 1993-05-05 | Victor Company Of Japan, Limited | Detektorsystem mit einem optischen rotierenden Kodierer zur Feststellung der Verschiebung einer beweglichen Vorrichtung |
JP3098358B2 (ja) * | 1992-11-27 | 2000-10-16 | 三菱電機株式会社 | 位置検出素子、その位置検出素子を用いた位置検出方法、および光学式ロータリーエンコーダ |
US5699058A (en) * | 1994-03-17 | 1997-12-16 | Copal Company Limited | Absolute encoder generating phase-shifted triangular waveforms to produce multi-bit signals |
JP3530573B2 (ja) * | 1994-04-27 | 2004-05-24 | キヤノン株式会社 | 光学式変位センサ |
US5844676A (en) * | 1997-05-29 | 1998-12-01 | Quadrant Engineering, Inc. | Method and apparatus for measuring radial error of rotating encoded disks |
-
2000
- 2000-03-28 AT AT00919788T patent/ATE458985T1/de not_active IP Right Cessation
- 2000-03-28 EP EP00919788A patent/EP1272817B1/de not_active Expired - Lifetime
- 2000-03-28 CA CA002443768A patent/CA2443768C/en not_active Expired - Fee Related
- 2000-03-28 WO PCT/US2000/008294 patent/WO2001073379A1/en active Application Filing
- 2000-03-28 AU AU2000240414A patent/AU2000240414A1/en not_active Abandoned
- 2000-03-28 DE DE60043898T patent/DE60043898D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2001073379A1 (en) | 2001-10-04 |
CA2443768C (en) | 2007-11-20 |
DE60043898D1 (de) | 2010-04-08 |
EP1272817B1 (de) | 2010-02-24 |
CA2443768A1 (en) | 2001-10-04 |
EP1272817A1 (de) | 2003-01-08 |
AU2000240414A1 (en) | 2001-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |