DE69022571D1 - Rotations-Detektorapparat. - Google Patents

Rotations-Detektorapparat.

Info

Publication number
DE69022571D1
DE69022571D1 DE69022571T DE69022571T DE69022571D1 DE 69022571 D1 DE69022571 D1 DE 69022571D1 DE 69022571 T DE69022571 T DE 69022571T DE 69022571 T DE69022571 T DE 69022571T DE 69022571 D1 DE69022571 D1 DE 69022571D1
Authority
DE
Germany
Prior art keywords
rotation detector
detector apparatus
rotation
detector
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 - Fee Related
Application number
DE69022571T
Other languages
English (en)
Other versions
DE69022571T2 (de
Inventor
Masahiko Igaki
Yoshifumi Nishimoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP33922189A external-priority patent/JP2697939B2/ja
Priority claimed from JP2252280A external-priority patent/JP2810521B2/ja
Priority claimed from JP25228190A external-priority patent/JP2749987B2/ja
Priority claimed from JP25630390A external-priority patent/JPH04132912A/ja
Priority claimed from JP2280695A external-priority patent/JP2810524B2/ja
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69022571D1 publication Critical patent/DE69022571D1/de
Application granted granted Critical
Publication of DE69022571T2 publication Critical patent/DE69022571T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DE1990622571 1989-12-26 1990-12-21 Rotations-Detektorapparat. Expired - Fee Related DE69022571T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP33922189A JP2697939B2 (ja) 1989-12-26 1989-12-26 ロータリーエンコーダー
JP2252280A JP2810521B2 (ja) 1990-09-21 1990-09-21 ロータリーエンコーダ及びこれを用いた装置
JP25228190A JP2749987B2 (ja) 1990-09-21 1990-09-21 ロータリーエンコーダー
JP25630390A JPH04132912A (ja) 1990-09-26 1990-09-26 ロータリーエンコーダ及びこれを用いたシステム
JP2280695A JP2810524B2 (ja) 1990-10-19 1990-10-19 回転検出計

Publications (2)

Publication Number Publication Date
DE69022571D1 true DE69022571D1 (de) 1995-10-26
DE69022571T2 DE69022571T2 (de) 1996-03-28

Family

ID=27530241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990622571 Expired - Fee Related DE69022571T2 (de) 1989-12-26 1990-12-21 Rotations-Detektorapparat.

Country Status (2)

Country Link
EP (1) EP0439804B1 (de)
DE (1) DE69022571T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2941953B2 (ja) * 1990-12-04 1999-08-30 キヤノン株式会社 基準位置の検出方法および回転検出計
JP3227206B2 (ja) * 1992-06-30 2001-11-12 キヤノン株式会社 光学式エンコーダ
GB2293876A (en) * 1994-10-05 1996-04-10 Motorola Semiconducteurs Rotation sensor
DE19820630A1 (de) 1998-05-08 1999-11-11 Heidelberger Druckmasch Ag Vorrichtung zur Positionserfassung von rotierenden Objekten
GB0608812D0 (en) 2006-05-04 2006-06-14 Renishaw Plc Rotary encoder apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1247975A (en) * 1969-09-24 1971-09-29 Rolls Royce Improvements in or relating to apparatus, e.g. for determining the position of a movable member, and method of using same
DE2003492A1 (de) * 1970-01-27 1971-08-12 Leitz Ernst Gmbh Messverfahren fuer Schrittgeber zum Messen von Laengen oder Winkeln sowie Anordnungen zur Durchfuehrung dieses Messverfahrens
DE3633574A1 (de) * 1986-10-02 1988-04-14 Heidenhain Gmbh Dr Johannes Lichtelektrische winkelmesseinrichtung
US4819051A (en) * 1987-06-29 1989-04-04 Honeywell Inc. Compensated rotary position encoder

Also Published As

Publication number Publication date
DE69022571T2 (de) 1996-03-28
EP0439804B1 (de) 1995-09-20
EP0439804A3 (en) 1993-03-03
EP0439804A2 (de) 1991-08-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee