DE69207958D1 - Kodierer der absoluten Position - Google Patents

Kodierer der absoluten Position

Info

Publication number
DE69207958D1
DE69207958D1 DE69207958T DE69207958T DE69207958D1 DE 69207958 D1 DE69207958 D1 DE 69207958D1 DE 69207958 T DE69207958 T DE 69207958T DE 69207958 T DE69207958 T DE 69207958T DE 69207958 D1 DE69207958 D1 DE 69207958D1
Authority
DE
Germany
Prior art keywords
absolute position
position encoder
encoder
absolute
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 - Lifetime
Application number
DE69207958T
Other languages
English (en)
Other versions
DE69207958T2 (de
Inventor
Akhtar R Khan
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.)
Avago Technologies International Sales Pte Ltd
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of DE69207958D1 publication Critical patent/DE69207958D1/de
Application granted granted Critical
Publication of DE69207958T2 publication Critical patent/DE69207958T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2497—Absolute encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69207958T 1991-06-11 1992-06-09 Kodierer der absoluten Position Expired - Lifetime DE69207958T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/713,718 US5274229A (en) 1991-06-11 1991-06-11 Absolute position encoder

Publications (2)

Publication Number Publication Date
DE69207958D1 true DE69207958D1 (de) 1996-03-14
DE69207958T2 DE69207958T2 (de) 1996-05-30

Family

ID=24867244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69207958T Expired - Lifetime DE69207958T2 (de) 1991-06-11 1992-06-09 Kodierer der absoluten Position

Country Status (4)

Country Link
US (1) US5274229A (de)
EP (1) EP0518620B1 (de)
JP (1) JP3262842B2 (de)
DE (1) DE69207958T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4439693C2 (de) * 1994-11-05 1997-04-24 Hengstler Gmbh Sensoreinheit für einen Drehgeber oder Lineargeber
DE59806597D1 (de) * 1997-08-07 2003-01-23 Heidenhain Gmbh Dr Johannes Abtasteinheit für eine optische Positionsmesseinrichtung
US6684334B1 (en) 1998-05-27 2004-01-27 Trusted Security Solutions, Inc. Secure establishment of cryptographic keys using persistent key component
US6175109B1 (en) * 1998-12-16 2001-01-16 Renco Encoders, Inc. Encoder for providing incremental and absolute position data
US6653619B2 (en) 2000-09-15 2003-11-25 Agilent Technologies, Inc. Optical motion encoder with a reflective member allowing the light source and sensor to be on the same side
US6660997B2 (en) 2001-04-26 2003-12-09 Creo Srl Absolute position Moiré type encoder for use in a control system
US6972403B2 (en) * 2003-06-26 2005-12-06 Xerox Corporation Position encoder
US20040262503A1 (en) * 2003-06-26 2004-12-30 Xerox Corporation Position encoder
US20040262502A1 (en) * 2003-06-26 2004-12-30 Xerox Corporation Position encoder
US7559711B2 (en) * 2005-01-24 2009-07-14 Lexmark International, Inc. Method for controlling media feed in an imaging apparatus
US7521669B2 (en) * 2006-06-02 2009-04-21 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Multi-bit absolute position optical encoder with reduced number of tracks
JP5379761B2 (ja) * 2010-08-06 2013-12-25 キヤノン株式会社 アブソリュートエンコーダ
CN115790677B (zh) * 2022-11-11 2024-09-10 广东美的智能科技有限公司 光电编码器、电机、电机检测方法及计算机可读存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035012C2 (de) * 1980-09-17 1982-08-12 Fa. Carl Zeiss, 7920 Heidenheim Einrichtung zur Winkelmessung
JPS59226822A (ja) * 1983-06-07 1984-12-20 Matsushita Electric Works Ltd ロ−タリエンコ−ダ
IT1160210B (it) * 1983-09-30 1987-03-04 Olivetti & Co Spa Trasduttore ottico per rilevare la posizione di un organo mobile rispetto ad una struttura fissa
US4691101A (en) * 1985-06-19 1987-09-01 Hewlett-Packard Company Optical positional encoder comprising immediately adjacent detectors

Also Published As

Publication number Publication date
EP0518620B1 (de) 1996-01-31
JPH05187890A (ja) 1993-07-27
EP0518620A3 (en) 1993-05-19
JP3262842B2 (ja) 2002-03-04
US5274229A (en) 1993-12-28
DE69207958T2 (de) 1996-05-30
EP0518620A2 (de) 1992-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.,

8328 Change in the person/name/address of the agent

Representative=s name: DILG HAEUSLER SCHINDELMANN PATENTANWALTSGESELLSCHA

R071 Expiry of right

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