FI921531A0 - Lägeskala och optisk läsgivare för läsning av denna lägeskala - Google Patents
Lägeskala och optisk läsgivare för läsning av denna lägeskalaInfo
- Publication number
- FI921531A0 FI921531A0 FI921531A FI921531A FI921531A0 FI 921531 A0 FI921531 A0 FI 921531A0 FI 921531 A FI921531 A FI 921531A FI 921531 A FI921531 A FI 921531A FI 921531 A0 FI921531 A0 FI 921531A0
- Authority
- FI
- Finland
- Prior art keywords
- position scale
- read
- sensor
- optical
- scale
- Prior art date
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
- G01D5/12—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 using electric or magnetic means
- G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2492—Pulse stream
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI921531A FI91325C (sv) | 1992-04-07 | 1992-04-07 | Lägeskala och optisk läsgivare för läsning av denna lägeskala |
EP93906655A EP0635115B1 (en) | 1992-04-07 | 1993-03-25 | Location scale and optical reading sensor for reading said location scale |
DE69307135T DE69307135T2 (de) | 1992-04-07 | 1993-03-25 | Positionsskala und optischer lesesensor zum lesen derselben |
AU37545/93A AU3754593A (en) | 1992-04-07 | 1993-03-25 | Location scale and optical reading sensor for reading said location scale |
PCT/FI1993/000120 WO1993020403A1 (en) | 1992-04-07 | 1993-03-25 | Location scale and optical reading sensor for reading said location scale |
US08/313,180 US5539993A (en) | 1992-04-07 | 1994-03-25 | Location scale and optical reading sensor for reading the location scale |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI921531A FI91325C (sv) | 1992-04-07 | 1992-04-07 | Lägeskala och optisk läsgivare för läsning av denna lägeskala |
FI921531 | 1992-04-07 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI921531A0 true FI921531A0 (sv) | 1992-04-07 |
FI921531A FI921531A (sv) | 1993-10-08 |
FI91325B FI91325B (sv) | 1994-02-28 |
FI91325C FI91325C (sv) | 1994-06-10 |
Family
ID=8535060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI921531A FI91325C (sv) | 1992-04-07 | 1992-04-07 | Lägeskala och optisk läsgivare för läsning av denna lägeskala |
Country Status (6)
Country | Link |
---|---|
US (1) | US5539993A (sv) |
EP (1) | EP0635115B1 (sv) |
AU (1) | AU3754593A (sv) |
DE (1) | DE69307135T2 (sv) |
FI (1) | FI91325C (sv) |
WO (1) | WO1993020403A1 (sv) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3683350B2 (ja) * | 1996-07-24 | 2005-08-17 | 株式会社ソキア | 電子レベル用標尺及び電子レベル |
JP3789625B2 (ja) * | 1997-12-19 | 2006-06-28 | 株式会社ソキア | 電子レベル用標尺及び電子レベル |
DE29802933U1 (de) * | 1998-02-19 | 1998-04-16 | Della Torre Alfred Ing | Positioniersystem |
GB9807020D0 (en) | 1998-04-02 | 1998-06-03 | Bamford Excavators Ltd | A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element |
US6147342A (en) * | 1998-06-02 | 2000-11-14 | Caterpillar Inc. | Encoding system for determining the position of a cylinder rod along a path of movement |
DE19915105A1 (de) * | 1999-04-01 | 2000-10-12 | Fraunhofer Ges Forschung | Lenkvorrichtung für Fahrzeuge |
US6327791B1 (en) | 1999-06-09 | 2001-12-11 | The Government Of The United States As Represented By The Secretary Of Commerce | Chain code position detector |
US6556946B2 (en) | 2000-12-19 | 2003-04-29 | Caterpillar Inc | Linear position sensor |
GB0109057D0 (en) * | 2001-04-11 | 2001-05-30 | Renishaw Plc | Absolute postition measurement |
WO2003058161A1 (en) * | 2002-01-04 | 2003-07-17 | Parker Hannifin Corporation | Cylinder with optical sensing device and method |
US7552671B2 (en) * | 2002-01-04 | 2009-06-30 | Parker-Hannifin Corporation | Cylinder with fiber optical position sensing device and method |
DE10327680A1 (de) * | 2003-05-17 | 2004-12-09 | Thyssenkrupp Automotive Ag | Sensor zur Messung einer Länge oder eines Winkels |
WO2004102123A1 (de) | 2003-05-17 | 2004-11-25 | Thyssenkrupp Presta Ag | Sensor zur messung einer länge oder eines winkels |
ITTO20030365A1 (it) * | 2003-05-20 | 2004-11-21 | Fiat Ricerche | Dispositivo e procedimento per determinare la posizione |
US7162947B2 (en) * | 2003-12-19 | 2007-01-16 | Caterpillar Inc | Mount for cylinder position sensor |
US6941827B2 (en) * | 2003-12-19 | 2005-09-13 | Caterpillar Inc. | Mounting apparatus and method for cylinder position sensor |
EP1593935A1 (en) * | 2004-05-06 | 2005-11-09 | Leica Geosystems AG | Levelling rod, level determining apparatus for said rod and level determining method |
US7634155B2 (en) * | 2005-01-31 | 2009-12-15 | Caterpillar Inc. | Hybrid optical cylinder position sensor |
DE102005047009A1 (de) * | 2005-09-30 | 2007-04-05 | Bosch Rexroth Mechatronics Gmbh | Absolutes Positionsmesssystem |
US7468522B2 (en) * | 2006-04-25 | 2008-12-23 | Phaedrus, Llc | Collar, system and method for detecting a mark on a rod |
US8168917B2 (en) * | 2006-05-30 | 2012-05-01 | Caterpillar Inc. | System and method for laser-encoding information on hydraulic rods |
US20080023553A1 (en) * | 2006-07-31 | 2008-01-31 | Robert Jones | Optical reader having integral lens and diffuser |
US8011112B2 (en) * | 2006-12-07 | 2011-09-06 | Leica Geosystems Ag | Method and apparatus for determining positions |
DE102008022027A1 (de) * | 2008-05-02 | 2009-11-05 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
US8240240B2 (en) * | 2008-10-31 | 2012-08-14 | Cnh America Llc | Cylinder position sensor |
CN102301205B (zh) | 2009-01-27 | 2014-07-09 | 瑞尼斯豪公司 | 磁性编码器装置 |
GB0906257D0 (en) | 2009-04-08 | 2009-05-20 | Renishaw Plc | Position encoder apparatus |
GB0906258D0 (en) | 2009-04-08 | 2009-05-20 | Renishaw Plc | Position encoder apparatus |
JP5829848B2 (ja) * | 2011-07-04 | 2015-12-09 | 株式会社トプコン | 電子レベル用標尺 |
AT511883B1 (de) * | 2011-08-25 | 2013-09-15 | Weber Hydraulik Gmbh | Positionsmessvorrichtung für fluidzylinder |
PL2798311T3 (pl) * | 2011-12-28 | 2019-07-31 | Servosense (Smc) Ltd. | Enkoder absolutny wysokiej rozdzielczości |
DE102015104201A1 (de) | 2015-03-20 | 2016-09-22 | Jungheinrich Aktiengesellschaft | Fluidzylinder |
DE102016103721A1 (de) | 2016-03-02 | 2017-09-07 | Jungheinrich Aktiengesellschaft | Zylinder mit einem optischen Positionssensor |
FI127477B (sv) | 2017-04-27 | 2018-06-29 | Mikronix Oy | Arrangemang för mätering rörelse |
DE102017118509A1 (de) * | 2017-08-14 | 2019-02-14 | Jungheinrich Aktiengesellschaft | Zylinder mit einer Kolbenstange und einem optischen Positionsmesser |
US10859363B2 (en) | 2017-09-27 | 2020-12-08 | Stanley Black & Decker, Inc. | Tape rule assembly with linear optical encoder for sensing human-readable graduations of length |
EP3693708A1 (de) | 2019-02-08 | 2020-08-12 | Jungheinrich Aktiengesellschaft | Zylinder mit einer kolbenstange und einem optischen positionsmesser |
ES2943517T3 (es) * | 2020-04-08 | 2023-06-13 | Heidenhain Gmbh Dr Johannes | Disposición para medición de posición |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE293190C (sv) * | ||||
US4161781A (en) * | 1977-11-25 | 1979-07-17 | The Stanley Works | Digital tape rule |
DE3427411A1 (de) * | 1984-07-25 | 1986-02-06 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Messeinrichtung |
US4901073A (en) * | 1986-12-04 | 1990-02-13 | Regent Of The University Of California | Encoder for measuring the absolute position of moving elements |
DE3818044A1 (de) * | 1988-05-27 | 1989-11-30 | Christoph Dipl Phys Kuehne | Praezisions-messeinrichtung fuer grosse verschiebungen |
DE3910873A1 (de) * | 1989-04-04 | 1990-10-18 | Stahl R Foerdertech Gmbh | Positionsmessvorrichtung fuer kran- und elektrohaengebahnen |
ATE83314T1 (de) * | 1989-10-06 | 1992-12-15 | Heidenhain Gmbh Dr Johannes | Lichtelektrische positionsmesseinrichtung. |
EP0473808A1 (de) * | 1990-09-03 | 1992-03-11 | Hottinger Baldwin Messtechnik Gmbh | Messeinrichtung zur Ermittlung eines Weges oder einer Position |
JP2555083Y2 (ja) * | 1991-12-24 | 1997-11-19 | 株式会社ニコン | 回転角測定装置 |
-
1992
- 1992-04-07 FI FI921531A patent/FI91325C/sv active
-
1993
- 1993-03-25 EP EP93906655A patent/EP0635115B1/en not_active Expired - Lifetime
- 1993-03-25 WO PCT/FI1993/000120 patent/WO1993020403A1/en active IP Right Grant
- 1993-03-25 AU AU37545/93A patent/AU3754593A/en not_active Abandoned
- 1993-03-25 DE DE69307135T patent/DE69307135T2/de not_active Expired - Fee Related
-
1994
- 1994-03-25 US US08/313,180 patent/US5539993A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69307135D1 (de) | 1997-02-13 |
FI91325C (sv) | 1994-06-10 |
FI921531A (sv) | 1993-10-08 |
FI91325B (sv) | 1994-02-28 |
EP0635115A1 (en) | 1995-01-25 |
DE69307135T2 (de) | 1997-04-24 |
WO1993020403A1 (en) | 1993-10-14 |
EP0635115B1 (en) | 1997-01-02 |
US5539993A (en) | 1996-07-30 |
AU3754593A (en) | 1993-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application |