CH676901A5 - - Google Patents

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Publication number
CH676901A5
CH676901A5 CH3499/88A CH349988A CH676901A5 CH 676901 A5 CH676901 A5 CH 676901A5 CH 3499/88 A CH3499/88 A CH 3499/88A CH 349988 A CH349988 A CH 349988A CH 676901 A5 CH676901 A5 CH 676901A5
Authority
CH
Switzerland
Prior art keywords
disc
incremental optical
light source
optical encoder
detector
Prior art date
Application number
CH3499/88A
Other languages
English (en)
French (fr)
Inventor
Marc Heyraud
Original Assignee
Johnson Electric Sa
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 Johnson Electric Sa filed Critical Johnson Electric Sa
Priority to CH3499/88A priority Critical patent/CH676901A5/fr
Priority to EP89309425A priority patent/EP0360514B1/en
Priority to ES89309425T priority patent/ES2056221T3/es
Priority to DE68914925T priority patent/DE68914925T2/de
Priority to US07/409,564 priority patent/US4982085A/en
Priority to JP1244892A priority patent/JPH02176522A/ja
Publication of CH676901A5 publication Critical patent/CH676901A5/fr

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
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/301—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
CH3499/88A 1988-09-20 1988-09-20 CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH3499/88A CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-20 1988-09-20
EP89309425A EP0360514B1 (en) 1988-09-20 1989-09-15 Incremental optical encoder
ES89309425T ES2056221T3 (es) 1988-09-20 1989-09-15 Codificador optico incremental.
DE68914925T DE68914925T2 (de) 1988-09-20 1989-09-15 Optischer Inkrementalcodierer.
US07/409,564 US4982085A (en) 1988-09-20 1989-09-19 Incremental optical encoder with radiation regulation means
JP1244892A JPH02176522A (ja) 1988-09-20 1989-09-20 増分形光学エンコーダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3499/88A CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-20 1988-09-20

Publications (1)

Publication Number Publication Date
CH676901A5 true CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-03-15

Family

ID=4257311

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3499/88A CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-20 1988-09-20

Country Status (6)

Country Link
US (1) US4982085A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0360514B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH02176522A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH676901A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE68914925T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES2056221T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506599A (en) * 1948-08-24 1950-05-09 Baldwin Co Shutter mechanism
US3100846A (en) * 1958-11-12 1963-08-13 Wenczler & Heidenhain Photoelectric process for measuring and adjusting the position of objects, particularly of scale lines
US3068746A (en) * 1960-01-29 1962-12-18 North American Aviation Inc Measuring and comparing device of the pyrometer type
US3365714A (en) * 1964-10-12 1968-01-23 Fma Inc Incremental code block apparatus
US3400275A (en) * 1965-07-22 1968-09-03 Trump Ross Ind Controls Inc Optical encoder having a common light source located in a rotatable shuttered housing
AU2383277A (en) * 1976-05-05 1978-10-05 Gen Electric Photoelectric signal generating circuits
SE402355B (sv) * 1976-10-15 1978-06-26 Bergkvist Lars A Anordning for indikering av en vinkel eller en vinkelhastighet
US4654525A (en) * 1982-08-31 1987-03-31 Sharp Kabushiki Kaisha Optical rotary encoder
US4511798A (en) * 1983-02-23 1985-04-16 Westinghouse Electric Corp. Meter encoding register with tapered aperture in baffle insert
US4593194A (en) * 1983-10-05 1986-06-03 Quantum Corporation Optical encoder with digital gain compensation controlling source intensity

Also Published As

Publication number Publication date
JPH02176522A (ja) 1990-07-09
US4982085A (en) 1991-01-01
ES2056221T3 (es) 1994-10-01
DE68914925D1 (de) 1994-06-01
EP0360514A1 (en) 1990-03-28
DE68914925T2 (de) 1994-08-18
EP0360514B1 (en) 1994-04-27

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Legal Events

Date Code Title Description
PL Patent ceased