IT1184495B - Codificatore (encoder) ottico incrementale a nonio accordato - Google Patents

Codificatore (encoder) ottico incrementale a nonio accordato

Info

Publication number
IT1184495B
IT1184495B IT20510/85A IT2051085A IT1184495B IT 1184495 B IT1184495 B IT 1184495B IT 20510/85 A IT20510/85 A IT 20510/85A IT 2051085 A IT2051085 A IT 2051085A IT 1184495 B IT1184495 B IT 1184495B
Authority
IT
Italy
Prior art keywords
incorrected
encoder
optical coder
vernier
vernier optical
Prior art date
Application number
IT20510/85A
Other languages
English (en)
Other versions
IT8520510A0 (it
Inventor
Michele Merlo
Original Assignee
Michele Merlo
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 Michele Merlo filed Critical Michele Merlo
Priority to IT20510/85A priority Critical patent/IT1184495B/it
Publication of IT8520510A0 publication Critical patent/IT8520510A0/it
Priority to US06/847,474 priority patent/US4686362A/en
Priority to GB08609262A priority patent/GB2174493B/en
Priority to FR8605767A priority patent/FR2581179B3/fr
Priority to DE19863613873 priority patent/DE3613873A1/de
Application granted granted Critical
Publication of IT1184495B publication Critical patent/IT1184495B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
IT20510/85A 1985-04-26 1985-04-26 Codificatore (encoder) ottico incrementale a nonio accordato IT1184495B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT20510/85A IT1184495B (it) 1985-04-26 1985-04-26 Codificatore (encoder) ottico incrementale a nonio accordato
US06/847,474 US4686362A (en) 1985-04-26 1986-04-03 Incremental optical encoder with a tuned vernier
GB08609262A GB2174493B (en) 1985-04-26 1986-04-16 Incremental optical encoder
FR8605767A FR2581179B3 (fr) 1985-04-26 1986-04-22 Encodeur optique incremental a vernier accorde
DE19863613873 DE3613873A1 (de) 1985-04-26 1986-04-24 Optischer incrementalcodierer mit abgestimmtem nonius

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20510/85A IT1184495B (it) 1985-04-26 1985-04-26 Codificatore (encoder) ottico incrementale a nonio accordato

Publications (2)

Publication Number Publication Date
IT8520510A0 IT8520510A0 (it) 1985-04-26
IT1184495B true IT1184495B (it) 1987-10-28

Family

ID=11168024

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20510/85A IT1184495B (it) 1985-04-26 1985-04-26 Codificatore (encoder) ottico incrementale a nonio accordato

Country Status (5)

Country Link
US (1) US4686362A (it)
DE (1) DE3613873A1 (it)
FR (1) FR2581179B3 (it)
GB (1) GB2174493B (it)
IT (1) IT1184495B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0727763Y2 (ja) * 1986-11-21 1995-06-21 株式会社ナブコ ブレ−キ制御器または主幹制御器
JPH0747682Y2 (ja) * 1987-12-03 1995-11-01 株式会社東海理化電機製作所 自動車用ステアリングホイールの回転検出装置
DE3820906A1 (de) * 1988-06-21 1989-12-28 Bodenseewerk Geraetetech Winkelabgriff hoher aufloesung
US5097164A (en) * 1988-12-29 1992-03-17 Canon Kabushiki Kaisha Hermetically sealed type dynamic pressure fluid bearing motor
US4991125A (en) * 1989-04-19 1991-02-05 Mitutoyo Corporation Displacement detector
US5013912A (en) * 1989-07-14 1991-05-07 University Of The Pacific General phase modulation method for stored waveform inverse fourier transform excitation for fourier transform ion cyclotron resonance mass spectrometry
DE3934339A1 (de) * 1989-10-14 1991-04-25 Heidenhain Gmbh Dr Johannes Teilungstraeger aus kunststoff mit einer teilungsstruktur
DE4300663C1 (de) * 1993-01-13 1994-06-23 Kostal Leopold Gmbh & Co Kg Optischer Lenkwinkelsensor
US7405392B2 (en) * 2004-03-31 2008-07-29 Mitsubishi Electric Corporation Optical rotary encoder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163858A (en) * 1960-03-18 1964-12-29 Gen Precision Inc Analog-to-digital converter
US3725902A (en) * 1970-07-01 1973-04-03 Veeder Industries Inc Optical endcoder
US3725904A (en) * 1971-07-23 1973-04-03 Itek Corp Encoder with a redundant optical system
IT1116276B (it) * 1977-12-30 1986-02-10 Olivetti & Co Spa Trasduttore di posizione angolare per un organo ruotante
US4385234A (en) * 1980-11-25 1983-05-24 Bei Electronics, Inc. Optical systems for optical encoders
DE3228507C2 (de) * 1982-07-30 1986-11-13 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Winkelmeßeinrichtung
US4654525A (en) * 1982-08-31 1987-03-31 Sharp Kabushiki Kaisha Optical rotary encoder
US4628200A (en) * 1984-08-20 1986-12-09 Westinghouse Electric Corp. Pulse wheel system with shaft mounting

Also Published As

Publication number Publication date
GB2174493B (en) 1988-09-21
GB2174493A (en) 1986-11-05
FR2581179B3 (fr) 1987-07-24
GB8609262D0 (en) 1986-05-21
DE3613873A1 (de) 1986-11-06
FR2581179A1 (fr) 1986-10-31
US4686362A (en) 1987-08-11
DE3613873C2 (it) 1993-09-02
IT8520510A0 (it) 1985-04-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970506