ES8601566A1 - Perfeccionamientos en un transductor optico - Google Patents
Perfeccionamientos en un transductor opticoInfo
- Publication number
- ES8601566A1 ES8601566A1 ES536387A ES536387A ES8601566A1 ES 8601566 A1 ES8601566 A1 ES 8601566A1 ES 536387 A ES536387 A ES 536387A ES 536387 A ES536387 A ES 536387A ES 8601566 A1 ES8601566 A1 ES 8601566A1
- Authority
- ES
- Spain
- Prior art keywords
- cells
- several
- shutter
- groups
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000005286 illumination Methods 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
- G01D5/36—Forming the light into pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Microscoopes, Condenser (AREA)
Abstract
TRANSDUCTOR OPTICO. COMPRENDE UN OBTURADOR DOTADO DE ELEMENTOS TRANSPARENTES EN INTERVALO A ZONAS OPACAS Y UN EMISOR DE LUZ ASOCIADO A UNA SERIE DE CELULAS FOTOSENSIBLES ESTANDO LAS CELULAS DISPUESTAS DE MODO SIMETRICO RESPECTO A UN EJE OPTICO CENTRAL TENIENDO CADA GRUPO DE CELULAS EL BARICENTRO DE ILUMINACION COINCIDENTE CON EL CITADO EJE OPTICO CENTRAL. LAS CELULAS ESTAN DISPUESTAS EN CUATRO GRUPOS GENERANDO SEÑALES ELECTRICAS DESFASADAS 90JC ENTRE SI. LA SUPERFICIE TOTAL DE CADA GRUPO ES IGUAL A UN VALOR COMUN PREDETERMINADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68006/83A IT1160210B (it) | 1983-09-30 | 1983-09-30 | Trasduttore ottico per rilevare la posizione di un organo mobile rispetto ad una struttura fissa |
Publications (2)
Publication Number | Publication Date |
---|---|
ES536387A0 ES536387A0 (es) | 1985-10-16 |
ES8601566A1 true ES8601566A1 (es) | 1985-10-16 |
Family
ID=11307136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES536387A Expired ES8601566A1 (es) | 1983-09-30 | 1984-09-28 | Perfeccionamientos en un transductor optico |
Country Status (10)
Country | Link |
---|---|
US (1) | US4650993A (es) |
EP (1) | EP0143525B2 (es) |
JP (1) | JPS6097214A (es) |
AU (1) | AU580008B2 (es) |
BR (1) | BR8404897A (es) |
CA (1) | CA1226921A (es) |
DE (1) | DE3473646D1 (es) |
ES (1) | ES8601566A1 (es) |
IT (1) | IT1160210B (es) |
MX (1) | MX156118A (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3616144A1 (de) * | 1986-05-14 | 1987-11-19 | Heidenhain Gmbh Dr Johannes | Fotoelektrische messeinrichtung |
JPH0249244A (ja) * | 1988-05-24 | 1990-02-19 | Clarion Co Ltd | テープ巻込み検出装置 |
JPH02176418A (ja) * | 1988-12-28 | 1990-07-09 | Fanuc Ltd | パルスエンコーダにおける固定スリット板のスリット配設構造 |
JP2785195B2 (ja) * | 1989-01-11 | 1998-08-13 | ソニー株式会社 | ディスク装置の光学式エンコーダ |
US4965446A (en) * | 1989-04-20 | 1990-10-23 | Ivac Corporation | Optical interrupter system with vibration compensation |
DE3942178A1 (de) * | 1989-08-08 | 1991-02-21 | Heidenhain Gmbh Dr Johannes | Laengen- oder winkelmesseinrichtung |
US5001336A (en) * | 1989-12-11 | 1991-03-19 | The Boeing Company | Optical signal summing device |
US5274229A (en) * | 1991-06-11 | 1993-12-28 | Hewlett-Packard Company | Absolute position encoder |
EP0843159A3 (en) * | 1991-11-06 | 1999-06-02 | Renishaw Transducer Systems Limited | Opto-electronic scale-reading apparatus |
GB9522491D0 (en) * | 1995-11-02 | 1996-01-03 | Renishaw Plc | Opto-electronic rotary encoder |
US6635863B1 (en) | 1999-08-06 | 2003-10-21 | Mitutoyo Corporation | Optical encoder |
US6563108B1 (en) * | 1999-10-25 | 2003-05-13 | Quantum Devices, Inc. | System for tracking angular and linear motion |
ES2166717B1 (es) * | 2000-06-15 | 2003-04-16 | Fagor S Coop | Disposicion optoelectronica de fotodetectores para la medicion de longitud. |
JP4476682B2 (ja) * | 2003-05-16 | 2010-06-09 | 株式会社ミツトヨ | 光電式エンコーダ |
CN100535605C (zh) * | 2003-05-16 | 2009-09-02 | 三丰株式会社 | 光电式编码器 |
TWI232631B (en) * | 2004-03-09 | 2005-05-11 | Delta Electronics Inc | Rotary optical encoder |
EP1640693A1 (en) * | 2004-09-28 | 2006-03-29 | FAGOR, S.Coop | Optical position sensor with three photodetectors |
DE102005009043A1 (de) * | 2005-02-22 | 2006-08-31 | Dr. Johannes Heidenhain Gmbh | Abtasteinheit für eine Positionsmesseinrichtung |
US20070241269A1 (en) * | 2006-04-14 | 2007-10-18 | Saidan Saiful B | Optical encoders having improved resolution |
DE102012018458A1 (de) * | 2012-09-19 | 2014-03-20 | Prema Semiconductor Gmbh | Vorrichtung zur Erfassung von Winkel- oder Lageänderungen |
US11237024B2 (en) * | 2018-10-08 | 2022-02-01 | Pixart Imaging Inc. | Optical encoder with covered photo diode |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3757128A (en) * | 1972-03-20 | 1973-09-04 | Ibm | Multiphase tachometer |
DE2649898A1 (de) * | 1976-10-29 | 1978-05-03 | Parras Karl Heinz Dipl Ing | Optoelektronischer weg- und winkelgeber |
US4224514A (en) * | 1978-06-16 | 1980-09-23 | Sensor Technology, Inc. | Optical encoder |
JPS5550117A (en) * | 1978-10-06 | 1980-04-11 | Fanuc Ltd | Led light source device for pulse encoder |
IT1165711B (it) | 1979-09-27 | 1987-04-22 | Olivetti & Co Spa | Trasduttore ottico per rilevare la posizione angolare di un organo rotante rispetto ad una struttura fissa |
IT1144232B (it) * | 1981-06-15 | 1986-10-29 | Olivetti & Co Spa | Trasduttore ottico |
BR8203482A (pt) * | 1981-06-15 | 1983-06-07 | Olivetti & Co Spa | Transdutor otico e disco constituindo o mesmo |
-
1983
- 1983-09-30 IT IT68006/83A patent/IT1160210B/it active
-
1984
- 1984-09-19 US US06/652,098 patent/US4650993A/en not_active Expired - Fee Related
- 1984-09-24 DE DE8484306491T patent/DE3473646D1/de not_active Expired
- 1984-09-24 CA CA000463883A patent/CA1226921A/en not_active Expired
- 1984-09-24 EP EP84306491A patent/EP0143525B2/en not_active Expired - Lifetime
- 1984-09-26 AU AU33553/84A patent/AU580008B2/en not_active Ceased
- 1984-09-28 BR BR8404897A patent/BR8404897A/pt not_active IP Right Cessation
- 1984-09-28 ES ES536387A patent/ES8601566A1/es not_active Expired
- 1984-09-28 MX MX202877A patent/MX156118A/es unknown
- 1984-10-01 JP JP59206130A patent/JPS6097214A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU3355384A (en) | 1985-04-04 |
EP0143525B2 (en) | 1993-12-29 |
AU580008B2 (en) | 1988-12-22 |
BR8404897A (pt) | 1985-08-20 |
EP0143525A1 (en) | 1985-06-05 |
ES536387A0 (es) | 1985-10-16 |
IT8368006A0 (it) | 1983-09-30 |
EP0143525B1 (en) | 1988-08-24 |
JPS6097214A (ja) | 1985-05-31 |
US4650993A (en) | 1987-03-17 |
CA1226921A (en) | 1987-09-15 |
IT1160210B (it) | 1987-03-04 |
MX156118A (es) | 1988-07-12 |
DE3473646D1 (en) | 1988-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970303 |