BR8200832A - Transdutor otico - Google Patents

Transdutor otico

Info

Publication number
BR8200832A
BR8200832A BR8200832A BR8200832A BR8200832A BR 8200832 A BR8200832 A BR 8200832A BR 8200832 A BR8200832 A BR 8200832A BR 8200832 A BR8200832 A BR 8200832A BR 8200832 A BR8200832 A BR 8200832A
Authority
BR
Brazil
Prior art keywords
optical transducer
transducer
optical
Prior art date
Application number
BR8200832A
Other languages
English (en)
Inventor
Vananzio Micheletti Cremasco
Original Assignee
Olivetti & Co Spa
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
Application filed by Olivetti & Co Spa filed Critical Olivetti & Co Spa
Publication of BR8200832A publication Critical patent/BR8200832A/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
    • G01D5/347—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
    • G01D5/3473—Circular or rotary encoders
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
BR8200832A 1981-02-17 1982-02-16 Transdutor otico BR8200832A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67218/81A IT1143507B (it) 1981-02-17 1981-02-17 Trasduttore ottico

Publications (1)

Publication Number Publication Date
BR8200832A true BR8200832A (pt) 1982-12-28

Family

ID=11300583

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200832A BR8200832A (pt) 1981-02-17 1982-02-16 Transdutor otico

Country Status (5)

Country Link
EP (1) EP0060021A3 (pt)
JP (1) JPS57151816A (pt)
BR (1) BR8200832A (pt)
IT (1) IT1143507B (pt)
MX (1) MX151102A (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59176917U (ja) * 1983-05-12 1984-11-27 オムロン株式会社 リニアエンコ−ダ
IT1159993B (it) * 1983-12-07 1987-03-04 Olivetti & Co Spa Trasduttore ottico collegabile ad un organo rotante per rilevarne la posizione angolare e generare corrispondenti segnali elettrici
FR2609801B1 (fr) * 1987-01-19 1993-05-28 Aerospatiale Dispositif pour le codage binaire pas-a-pas d'un angle de rotation autour d'un axe
JPH0544732Y2 (pt) * 1987-08-28 1993-11-15
DE19607179C1 (de) * 1996-02-27 1997-07-10 Heidenhain Gmbh Dr Johannes Elektrische Positionsmeßeinrichtung
DE19712828A1 (de) 1997-03-26 1998-10-15 Sick Ag Lichtgitter und Verfahren zu seiner Herstellung
DE19820358C1 (de) * 1998-05-07 1999-08-05 Leuze Electronic Gmbh & Co Optoelektronischer Sensor
DE19855828A1 (de) * 1998-12-03 2000-06-08 Heidenhain Gmbh Dr Johannes Dreidimensionales Meßmodul
DE19858247C1 (de) * 1998-12-17 2000-01-27 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung zum Erfassen von Gegenständen in einem Überwachungsbereich
JP4326631B2 (ja) * 1999-07-16 2009-09-09 浜松ホトニクス株式会社 重水素ランプボックス及びポータブル型光源装置
DE10308285A1 (de) 2003-02-26 2004-09-09 Sick Ag Optische Sende- und Empfangsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476405A (en) * 1974-06-07 1977-06-16 Vactoric Control Equip Optical encoder
US4152589A (en) * 1977-09-28 1979-05-01 Silonics, Inc. Optical rotational encoder
US4196994A (en) * 1977-12-19 1980-04-08 Polaroid Corporation Desensitized photoelectric detector unit
JPS557649A (en) * 1978-07-04 1980-01-19 Canon Inc Photo encoder
DE2848612C2 (de) * 1978-11-09 1981-05-27 Pfaff Haushaltsmaschinen GmbH, 7500 Karlsruhe Impulsgeber eines Nähmaschinenantriebes

Also Published As

Publication number Publication date
JPS57151816A (en) 1982-09-20
EP0060021A2 (en) 1982-09-15
IT1143507B (it) 1986-10-22
IT8167218A0 (it) 1981-02-17
MX151102A (es) 1984-09-28
EP0060021A3 (en) 1984-11-21

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