BR8702468A - Dispositivo de medicao fotoeletrico - Google Patents

Dispositivo de medicao fotoeletrico

Info

Publication number
BR8702468A
BR8702468A BR8702468A BR8702468A BR8702468A BR 8702468 A BR8702468 A BR 8702468A BR 8702468 A BR8702468 A BR 8702468A BR 8702468 A BR8702468 A BR 8702468A BR 8702468 A BR8702468 A BR 8702468A
Authority
BR
Brazil
Prior art keywords
photoelectric
medication device
oscillation pattern
photoelements
harmonics
Prior art date
Application number
BR8702468A
Other languages
English (en)
Inventor
Alfons Ernst
Original Assignee
Heidenhain Gmbh Dr Johannes
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6300759&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8702468(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heidenhain Gmbh Dr Johannes filed Critical Heidenhain Gmbh Dr Johannes
Publication of BR8702468A publication Critical patent/BR8702468A/pt

Links

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
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Hybrid Cells (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
BR8702468A 1986-05-14 1987-05-14 Dispositivo de medicao fotoeletrico BR8702468A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863616144 DE3616144A1 (de) 1986-05-14 1986-05-14 Fotoelektrische messeinrichtung

Publications (1)

Publication Number Publication Date
BR8702468A true BR8702468A (pt) 1988-02-23

Family

ID=6300759

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8702468A BR8702468A (pt) 1986-05-14 1987-05-14 Dispositivo de medicao fotoeletrico

Country Status (7)

Country Link
US (1) US4782229A (pt)
EP (1) EP0250711B1 (pt)
JP (1) JPH0663783B2 (pt)
AT (1) ATE72325T1 (pt)
BR (1) BR8702468A (pt)
DE (2) DE3616144A1 (pt)
ES (1) ES2029802T3 (pt)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786454B2 (ja) * 1987-12-29 1995-09-20 株式会社島津製作所 粒度分布測定装置の散乱光検出器
FR2645260A1 (fr) * 1989-03-29 1990-10-05 Celette Sa Dispositif de mesure du positionnement et du deplacement d'un point, et application a l'equipement d'un marbre pour le controle et le redressement de vehicules automobiles
US5148020A (en) * 1991-04-17 1992-09-15 Hewlett-Packard Company Optical encoder with photodetectors of width equal to and one-half of code wheel's window and spoke width
DE4114419C2 (de) * 1991-05-03 1993-11-18 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
DE59102126D1 (de) * 1991-05-18 1994-08-11 Heidenhain Gmbh Dr Johannes Interferentielle Positionsmessvorrichtung.
EP0541828B1 (de) * 1991-11-04 1995-02-01 Dr. Johannes Heidenhain GmbH Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale
EP0541829B1 (de) * 1991-11-04 1995-01-11 Dr. Johannes Heidenhain GmbH Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale
EP0541827B1 (de) * 1991-11-04 1995-04-12 Dr. Johannes Heidenhain GmbH Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale
EP0843159A3 (en) * 1991-11-06 1999-06-02 Renishaw Transducer Systems Limited Opto-electronic scale-reading apparatus
DE59105538D1 (de) * 1991-12-20 1995-06-22 Heidenhain Gmbh Dr Johannes Fotoelektrische Vorrichtung zur Erzeugung oberwellenfreier periodischer Signale.
DE4323712C2 (de) * 1993-07-15 1997-12-11 Heidenhain Gmbh Dr Johannes Lichtelektrische Längen- oder Winkelmeßeinrichtung
DE4328525A1 (de) * 1993-08-25 1995-04-06 Mikroelektronik Und Technologi Längen- oder Winkelmeßeinrichtung
JP2695623B2 (ja) * 1994-11-25 1998-01-14 株式会社ミツトヨ 光学式エンコーダ
DE59508231D1 (de) * 1995-06-22 2000-05-31 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung
DE19530560A1 (de) * 1995-08-19 1997-02-20 Ct Fuer Intelligente Sensorik Längen- oder Winkelmeßeinrichtung
GB9522491D0 (en) * 1995-11-02 1996-01-03 Renishaw Plc Opto-electronic rotary encoder
JPH09196705A (ja) * 1996-01-23 1997-07-31 Mitsutoyo Corp 変位測定装置
DE19652562C2 (de) * 1996-12-17 1999-07-22 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
ATE229642T1 (de) 1997-08-07 2002-12-15 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische positionsmesseinrichtung
DE19830294C2 (de) * 1998-07-07 2000-12-07 Fraba Ag Meßvorrichtung
DE10028136B4 (de) 1999-06-04 2011-01-27 Dr. Johannes Heidenhain Gmbh Positionsmeßsystem
DE19941318A1 (de) 1999-08-31 2001-03-15 Heidenhain Gmbh Dr Johannes Optische Positionsmeßeinrichtung
DE10020575A1 (de) 2000-04-28 2001-10-31 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmesseinrichtung
FR2808167B1 (fr) * 2000-04-28 2005-03-18 Mars Alimentaire Procede de realisation de confiseries en vrac
ES2166717B1 (es) * 2000-06-15 2003-04-16 Fagor S Coop Disposicion optoelectronica de fotodetectores para la medicion de longitud.
DE10118796B4 (de) * 2001-04-05 2013-02-14 Dr. Johannes Heidenhain Gmbh Abtasteinheit eines Positionsmeßsystems mit einem optoelektronischen Strahlungsemfänger und Positionsmeßsystem
CA2458964A1 (en) * 2001-08-30 2003-03-13 William G. Thorburn Harmonic suppressing photodetector array
DE10319609A1 (de) * 2003-05-02 2004-11-18 Dr. Johannes Heidenhain Gmbh Optoelektronische Detektoranordnung
TW593970B (en) * 2003-06-18 2004-06-21 Opto Tech Corp Position detection device
DE10338991A1 (de) * 2003-08-18 2005-03-17 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
DE10347604A1 (de) 2003-10-14 2005-05-12 Heidenhain Gmbh Dr Johannes Optische Positionsmesseinrichtung
DE102004041950A1 (de) 2004-08-31 2006-03-02 Dr. Johannes Heidenhain Gmbh Optische Positionsmesseinrichtung
US20070024865A1 (en) 2005-07-26 2007-02-01 Mitchell Donald K Optical encoder having slanted optical detector elements for harmonic suppression
JP4724495B2 (ja) * 2005-08-29 2011-07-13 キヤノン株式会社 光学式エンコーダ
DE102006017290B4 (de) * 2006-02-01 2017-06-22 Siemens Healthcare Gmbh Fokus/Detektor-System einer Röntgenapparatur, Röntgen-System und Verfahren zur Erzeugung von Phasenkontrastaufnahmen
DE102006038577B4 (de) * 2006-08-17 2016-09-01 Siemens Healthcare Gmbh Fotodetektor für einen optischen Positionssensor und optischer Positionssensor
GB0903550D0 (en) 2009-03-02 2009-04-08 Rls Merilna Tehnika D O O Position encoder apparatus
JP2011075581A (ja) * 2011-01-17 2011-04-14 Canon Inc 光学式エンコーダ
JP5964162B2 (ja) 2012-07-18 2016-08-03 株式会社ミツトヨ エンコーダ
KR101428971B1 (ko) * 2013-03-21 2014-08-13 숭실대학교산학협력단 변위 측정 장치
JP6138664B2 (ja) * 2013-10-30 2017-05-31 オークマ株式会社 光学式エンコーダ
ES2830777T3 (es) 2015-09-09 2021-06-04 Renishaw Plc Aparato codificador

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886717A (en) * 1953-03-14 1959-05-12 Ferranti Ltd Measuring apparatus
GB1227941A (pt) * 1967-03-16 1971-04-15
DE1941731C2 (de) * 1969-08-16 1973-11-15 Fa. Carl Zeiss, 7920 Heidenheim Einrichtung zur Messung von Lageande rungen zweier relativ zueinander bewegli eher Teile
US3951548A (en) * 1974-07-22 1976-04-20 Baird-Atomic, Inc. Electro-optical fourier vernier device
DE2500798A1 (de) * 1975-01-10 1976-07-15 Leitz Ernst Gmbh Optisches messystem
US3961318A (en) * 1975-01-17 1976-06-01 Inductosyn Corporation Electrostatic position-measuring transducer
JPS5685364A (en) * 1979-12-13 1981-07-11 Matsushita Electric Ind Co Ltd Health instrument
JPS57169613A (en) * 1981-04-13 1982-10-19 Tokyo Optical Co Ltd Photoelectric encoder
US4430566A (en) * 1981-04-21 1984-02-07 Vibrac Corporation Electro-optical angular displacement
DE3239108A1 (de) * 1982-10-22 1984-04-26 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmessverfahren und einrichtungen zur durchfuehrung des verfahrens
JPS5999219A (ja) * 1982-11-29 1984-06-07 Nippon Kogaku Kk <Nikon> 回折格子を用いたエンコ−ダ
US4663588A (en) * 1983-07-27 1987-05-05 Sony Magnescale Incorporation Detector for use for measuring dimensions of an object
JPH0235246B2 (ja) * 1983-08-19 1990-08-09 Sony Magnescale Inc Kogakusukeerusochi
IT1160210B (it) * 1983-09-30 1987-03-04 Olivetti & Co Spa Trasduttore ottico per rilevare la posizione di un organo mobile rispetto ad una struttura fissa
DE3412128C1 (de) * 1984-03-31 1985-05-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmesseinrichtung
JPS60237318A (ja) * 1984-05-10 1985-11-26 Yokogawa Hokushin Electric Corp 変位変換器
JPS60237317A (ja) * 1984-05-10 1985-11-26 Yokogawa Hokushin Electric Corp 変位変換器
JPS60237316A (ja) * 1984-05-10 1985-11-26 Yokogawa Hokushin Electric Corp 変位変換器
DE3417176C2 (de) * 1984-05-09 1986-07-31 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Photoelektrische Meßeinrichtung
JPS6144511U (ja) * 1984-08-24 1986-03-24 株式会社安川電機 透過型オプテイカルエンコ−ダ

Also Published As

Publication number Publication date
DE3616144C2 (pt) 1992-06-04
EP0250711A3 (en) 1989-06-14
DE3616144A1 (de) 1987-11-19
ES2029802T3 (es) 1992-10-01
US4782229A (en) 1988-11-01
ATE72325T1 (de) 1992-02-15
JPH0663783B2 (ja) 1994-08-22
JPS62274217A (ja) 1987-11-28
EP0250711B1 (de) 1992-01-29
DE3776424D1 (de) 1992-03-12
EP0250711A2 (de) 1988-01-07

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 14/05/2002