DE3427411C2 - - Google Patents
Info
- Publication number
- DE3427411C2 DE3427411C2 DE3427411A DE3427411A DE3427411C2 DE 3427411 C2 DE3427411 C2 DE 3427411C2 DE 3427411 A DE3427411 A DE 3427411A DE 3427411 A DE3427411 A DE 3427411A DE 3427411 C2 DE3427411 C2 DE 3427411C2
- Authority
- DE
- Germany
- Prior art keywords
- code mark
- mark
- elements
- spacing
- binary number
- 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
Links
Classifications
-
- 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
-
- 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
- G01D5/245—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 a variable number of pulses in a train
- G01D5/2454—Encoders incorporating incremental and absolute signals
- G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
- G01D5/2457—Incremental encoders having reference marks
-
- 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
- H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843427411 DE3427411A1 (de) | 1984-07-25 | 1984-07-25 | Messeinrichtung |
DE8585106497T DE3562531D1 (en) | 1984-07-25 | 1985-05-25 | Measuring apparatus |
AT85106497T ATE34043T1 (de) | 1984-07-25 | 1985-05-25 | Messeinrichtung. |
EP85106497A EP0172323B1 (de) | 1984-07-25 | 1985-05-25 | Messeinrichtung |
US06/755,928 US4701615A (en) | 1984-07-25 | 1985-07-17 | Measuring scale coding system for length or angle measuring instruments |
JP16308785A JPS6138512A (ja) | 1984-07-25 | 1985-07-25 | 測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843427411 DE3427411A1 (de) | 1984-07-25 | 1984-07-25 | Messeinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3427411A1 DE3427411A1 (de) | 1986-02-06 |
DE3427411C2 true DE3427411C2 (de) | 1987-01-08 |
Family
ID=6241530
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843427411 Granted DE3427411A1 (de) | 1984-07-25 | 1984-07-25 | Messeinrichtung |
DE8585106497T Expired DE3562531D1 (en) | 1984-07-25 | 1985-05-25 | Measuring apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585106497T Expired DE3562531D1 (en) | 1984-07-25 | 1985-05-25 | Measuring apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US4701615A (de) |
EP (1) | EP0172323B1 (de) |
JP (1) | JPS6138512A (de) |
AT (1) | ATE34043T1 (de) |
DE (2) | DE3427411A1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188805B (en) * | 1986-03-27 | 1991-01-09 | Duracell Int | Device |
DE8613887U1 (de) * | 1986-05-22 | 1990-09-13 | Heidenhain Gmbh Dr Johannes Ok | |
JPS62278408A (ja) * | 1986-05-28 | 1987-12-03 | Tamagawa Seiki Co Ltd | アナログ三角波出力エンコ−ダ |
US5057686A (en) * | 1988-10-12 | 1991-10-15 | Mitutoyo Corporation | Self-stabilizing photoelectric displacement detector |
AT394781B (de) * | 1989-02-03 | 1992-06-25 | Rsf Elektronik Gmbh | Inkrementales messsystem |
US5251013A (en) * | 1989-03-27 | 1993-10-05 | Danielson Glen C | Vehicle straightener measuring unit, measuring apparatus reliant on reflected beam(s), and source, targets and method |
DE4037545C2 (de) * | 1990-11-26 | 1994-03-17 | Heidenhain Gmbh Dr Johannes | Meßeinrichtung |
FI91325C (fi) * | 1992-04-07 | 1994-06-10 | Partek Cargotec Oy | Paikka-asteikko ja optinen lukuanturi tämän paikka-asteikon lukemiseksi |
US5336884A (en) * | 1992-07-01 | 1994-08-09 | Rockwell International Corporation | High resolution optical hybrid absolute incremental position encoder |
BE1007404A3 (nl) * | 1993-08-09 | 1995-06-06 | Agfa Gevaert Nv | Encoder element. |
DE59305801D1 (de) * | 1993-12-08 | 1997-04-17 | Heidenhain Gmbh Dr Johannes | Längenmesssystem |
FR2757628B1 (fr) * | 1996-12-20 | 1999-02-26 | Eaton Controls | Procede et dispositif de mesure numerique de positions angulaires |
EP1056989B1 (de) | 1998-02-21 | 2002-12-18 | Dr. Johannes Heidenhain GmbH | Verfahren zum betrieb eines positionsmesssystems und geeignetes positionsmesssystem hierzu |
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 |
JP3506613B2 (ja) * | 1998-09-21 | 2004-03-15 | 株式会社ミツトヨ | 原点検出方式 |
DE19962278A1 (de) | 1999-12-23 | 2001-08-02 | Heidenhain Gmbh Dr Johannes | Positionsmeßeinrichtung |
US7552671B2 (en) * | 2002-01-04 | 2009-06-30 | Parker-Hannifin Corporation | Cylinder with fiber optical position sensing device and method |
EP1461585B1 (de) * | 2002-01-04 | 2010-12-08 | Parker Hannifin Corporation | Zylinder mit optischer erfassungsvorrichtung und verfahren |
US6765664B2 (en) * | 2002-01-09 | 2004-07-20 | Delaware Capital Formation, Inc. | Laser scanner with parabolic collector |
ITTO20030365A1 (it) * | 2003-05-20 | 2004-11-21 | Fiat Ricerche | Dispositivo e procedimento per determinare la posizione |
GB0413711D0 (en) * | 2004-06-21 | 2004-07-21 | Renishaw Plc | Scale and readhead apparatus |
JP4148194B2 (ja) * | 2004-07-22 | 2008-09-10 | 村田機械株式会社 | 搬送台車システム |
US7191943B2 (en) * | 2004-07-28 | 2007-03-20 | Caterpillar Inc | Robust barcode and reader for rod position determination |
DE102005047009A1 (de) * | 2005-09-30 | 2007-04-05 | Bosch Rexroth Mechatronics Gmbh | Absolutes Positionsmesssystem |
US7458309B2 (en) * | 2006-05-18 | 2008-12-02 | Simmons Tom M | Reciprocating pump, system or reciprocating pumps, and method of driving reciprocating pumps |
DE102007031218B4 (de) * | 2006-07-05 | 2020-10-29 | Sew-Eurodrive Gmbh & Co Kg | Vorrichtung, Etikettiermaschine und Verfahren zum Betreiben einer Vorrichtung |
DE102007045362A1 (de) * | 2007-09-22 | 2009-04-02 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
WO2009140503A1 (en) | 2008-05-16 | 2009-11-19 | Parker Hannifin Corporation | Probe for determining an absolute position of a rod of a cylinder |
FI122500B (fi) | 2009-11-11 | 2012-02-29 | Andritz Oy | Menetelmä ja laitteisto pyörivän sylinterimäisen laitteen mittaamiseksi ja linjaamiseksi |
EP2357451B1 (de) * | 2010-02-09 | 2011-11-16 | SICK STEGMANN GmbH | Messvorrichtung zur Absolutwertbestimmung von Längen oder Winkeln mit aus einzelnen Teilstücken zusammengesetzter aktiver Massverkörperung |
US9470556B2 (en) | 2012-10-18 | 2016-10-18 | Cnh Industrial Canada, Ltd. | Method and apparatus for sensing position |
EP2725325B1 (de) * | 2012-10-26 | 2019-12-11 | Robert Bosch Gmbh | Positionsmesssystem |
EP3892962B1 (de) * | 2020-04-08 | 2023-03-08 | Dr. Johannes Heidenhain GmbH | Anordnung für eine positionsmessung |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2103196A1 (de) * | 1971-01-23 | 1972-07-27 | Ferranti Ltd | Meßvorrichtung |
US3982106A (en) * | 1973-05-14 | 1976-09-21 | Contraves Ag | System for measuring the longitudinal or angular displacement of a movable component |
FR2310549A1 (fr) * | 1975-05-07 | 1976-12-03 | Sagem | Perfectionnements aux dispositifs optiques de determination de la position d'un organe mobile |
JPS5925441B2 (ja) * | 1976-02-20 | 1984-06-18 | ソニー株式会社 | 磁気スケ−ル装置 |
DE2952106C2 (de) * | 1979-12-22 | 1982-11-04 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Lichtelektrische inkrementale Längen- oder Winkelmeßeinrichtung |
JPS56159794A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Optical | Length or angle measuring device |
JPS56159798A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Shibaura Electric Co | Length or angle measuring device |
DE3039483C2 (de) * | 1980-10-18 | 1986-09-11 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Inkrementale Längen- oder Winkelmeßeinrichtung |
JPS6051650B2 (ja) * | 1981-08-04 | 1985-11-15 | 株式会社 三豊製作所 | 光電型エンコ−ダの零点検出装置 |
JPS5829093A (ja) * | 1981-08-13 | 1983-02-21 | 株式会社トプコン | アブソリユ−トエンコ−ダ |
DE3144334C2 (de) * | 1981-11-07 | 1985-06-13 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Wegmeßeinrichtung mit Referenzmarken |
JPS58204314A (ja) * | 1982-05-24 | 1983-11-29 | Nippon Kogaku Kk <Nikon> | エンコ−ダ装置 |
-
1984
- 1984-07-25 DE DE19843427411 patent/DE3427411A1/de active Granted
-
1985
- 1985-05-25 EP EP85106497A patent/EP0172323B1/de not_active Expired
- 1985-05-25 DE DE8585106497T patent/DE3562531D1/de not_active Expired
- 1985-05-25 AT AT85106497T patent/ATE34043T1/de not_active IP Right Cessation
- 1985-07-17 US US06/755,928 patent/US4701615A/en not_active Expired - Lifetime
- 1985-07-25 JP JP16308785A patent/JPS6138512A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6138512A (ja) | 1986-02-24 |
JPH0548841B2 (de) | 1993-07-22 |
US4701615A (en) | 1987-10-20 |
DE3427411A1 (de) | 1986-02-06 |
DE3562531D1 (en) | 1988-06-09 |
ATE34043T1 (de) | 1988-05-15 |
EP0172323A1 (de) | 1986-02-26 |
EP0172323B1 (de) | 1988-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |