DE68905591D1 - Genauigkeitsverbesserungen fuer rotationsdetektor. - Google Patents

Genauigkeitsverbesserungen fuer rotationsdetektor.

Info

Publication number
DE68905591D1
DE68905591D1 DE8989124117T DE68905591T DE68905591D1 DE 68905591 D1 DE68905591 D1 DE 68905591D1 DE 8989124117 T DE8989124117 T DE 8989124117T DE 68905591 T DE68905591 T DE 68905591T DE 68905591 D1 DE68905591 D1 DE 68905591D1
Authority
DE
Germany
Prior art keywords
rotation detector
accuracy improvements
accuracy
detector
rotation
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
DE8989124117T
Other languages
English (en)
Other versions
DE68905591T2 (de
Inventor
Ryoichi Intellectual Kurosawa
Kozo Intellectual Proper Taira
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 JP64000017A external-priority patent/JP2567934B2/ja
Priority claimed from JP64000015A external-priority patent/JPH076812B2/ja
Priority claimed from JP1002929A external-priority patent/JPH02184719A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE68905591D1 publication Critical patent/DE68905591D1/de
Publication of DE68905591T2 publication Critical patent/DE68905591T2/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
    • G01D5/347—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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
DE8989124117T 1989-01-04 1989-12-28 Genauigkeitsverbesserungen fuer rotationsdetektor. Expired - Fee Related DE68905591T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP64000017A JP2567934B2 (ja) 1989-01-04 1989-01-04 回転検出装置
JP64000015A JPH076812B2 (ja) 1989-01-04 1989-01-04 回転検出装置に用いる回転円盤の製造方法
JP1002929A JPH02184719A (ja) 1989-01-11 1989-01-11 回転検出装置

Publications (2)

Publication Number Publication Date
DE68905591D1 true DE68905591D1 (de) 1993-04-29
DE68905591T2 DE68905591T2 (de) 1993-08-19

Family

ID=27274268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989124117T Expired - Fee Related DE68905591T2 (de) 1989-01-04 1989-12-28 Genauigkeitsverbesserungen fuer rotationsdetektor.

Country Status (4)

Country Link
US (1) US5057685A (de)
EP (1) EP0380810B1 (de)
DE (1) DE68905591T2 (de)
PH (1) PH27211A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005456A1 (en) * 1995-07-25 1997-02-13 The Regents Of The University Of California Compact disc based high-precision optical shaft encoder
US6081339A (en) 1997-05-29 2000-06-27 Aim Controls, Inc. Method and apparatus for measuring the direction and position of rotating bodies
WO1999020427A1 (en) * 1997-10-17 1999-04-29 Bishop Innovation Pty. Limited Method for manufacture of optical torque transducers
AU743409B2 (en) * 1997-10-17 2002-01-24 Bishop Innovation Limited Method for manufacture of optical torque transducers
US6039747A (en) * 1998-04-08 2000-03-21 Shturman Cardiology Systems, Inc. Rotational atherectomy device with improved optical tachometer
GB0127410D0 (en) 2001-11-15 2002-01-09 Renishaw Plc Laser substrate treatment
GB0201101D0 (en) 2002-01-18 2002-03-06 Renishaw Plc Laser marking
KR100640153B1 (ko) * 2004-05-03 2006-10-31 (주)나노스토리지 바이오 셀 패턴화 장치
WO2005038053A1 (en) * 2003-10-18 2005-04-28 Nanostorage Co., Ltd. Biochip analysis system and diagnosis system having biochip analysis apparatus
US20100282955A1 (en) * 2009-05-07 2010-11-11 Nikon Corporation Sealed rotary measurement system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360660A (en) * 1965-04-07 1967-12-26 Gen Motors Corp Position and rate readout system with dual phase-displaced gratings
DE1623768B1 (de) * 1967-07-04 1971-09-23 Leitz Ernst Gmbh Fotoelektrische einrichtung
US4222070A (en) * 1978-03-13 1980-09-09 Eastman Kodak Company Recording video information on a flexible master disc
JPH0246366B2 (de) * 1980-08-11 1990-10-15 Discovision Ass
DE3036005A1 (de) * 1980-09-24 1982-05-06 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung einer codescheibe fuer optische winkelschrittgeber bzw. winkelcodierer
JPS57149912A (en) * 1981-03-13 1982-09-16 Nippon Telegr & Teleph Corp <Ntt> Optical position detector
WO1983001700A1 (en) * 1981-11-09 1983-05-11 Burroughs Corp Deposition techniques for archival recording media for digital data storage
EP0107374B1 (de) * 1982-09-25 1987-11-11 Renishaw plc Wegmesseinrichtung
JPS6070311A (ja) * 1983-09-27 1985-04-22 Mitsubishi Electric Corp 光学式エンコ−ダ
JPS60118912U (ja) * 1984-01-18 1985-08-12 アルプス電気株式会社 反射型光学式ロ−タリエンコ−ダのコ−ドホイ−ル
JPS60134117U (ja) * 1984-02-16 1985-09-06 アルプス電気株式会社 光学式ロ−タリエンコ−ダ
JPS61176817A (ja) * 1985-01-31 1986-08-08 Foster Denki Kk エンコ−ダ
JPS6255511A (ja) * 1985-09-05 1987-03-11 Sharp Corp ロ−タリ−エンコ−ダ
US4780610A (en) * 1986-03-04 1988-10-25 Alps Electric Co., Ltd. Optical rotary encoder having superposed metal plate and shield plate

Also Published As

Publication number Publication date
EP0380810A3 (en) 1990-12-27
DE68905591T2 (de) 1993-08-19
PH27211A (en) 1993-05-04
EP0380810A2 (de) 1990-08-08
EP0380810B1 (de) 1993-03-24
US5057685A (en) 1991-10-15

Similar Documents

Publication Publication Date Title
DE58903543D1 (de) Dreherkennungsvorrichtung.
DE69001386D1 (de) Hochempfindliches positionsmess-verfahren.
DE59002057D1 (de) Inkrementales messsystem.
DE69014262D1 (de) Hämatokritmessvorrichtung.
DE58904606D1 (de) Winkelmessvorrichtung.
DE68915411D1 (de) Unterdruck-Messvorrichtung.
DE58900833D1 (de) Positionsmesseinrichtung.
DE3888168D1 (de) Detektorvorrichtung.
DE69004631D1 (de) Positionsmesseinrichtung.
DE69012837D1 (de) Messgerät.
DE69001445D1 (de) Maehvorrichtung.
DE68915275D1 (de) Detektor.
DE3852946D1 (de) Immuno-Agglutinationsmessgerät.
DE3774479D1 (de) Winkelmessinterferometer.
DE69024016D1 (de) Messvorrichtung.
DE3765573D1 (de) Kapazitiver positionsdetektor.
DE58901912D1 (de) Winkelmessgeraet.
DE69019212D1 (de) Strahlungsmessvorrichtung.
DE69013439D1 (de) Phasendetektor.
DE68905591D1 (de) Genauigkeitsverbesserungen fuer rotationsdetektor.
DE69020953D1 (de) Röntgenstrahlungsmessgerät.
DE68908785D1 (de) Vakuummessgerät.
DE69020425D1 (de) Oberflächenpotentialmesssystem.
DE58904338D1 (de) Positionsmesseinrichtung.
DE58901701D1 (de) Inkrementales messsystem.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, KRAMER & PARTNER, 81245 MUENCHEN

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee