GB2116313B - Sine wave generator for position encoder - Google Patents

Sine wave generator for position encoder

Info

Publication number
GB2116313B
GB2116313B GB08205558A GB8205558A GB2116313B GB 2116313 B GB2116313 B GB 2116313B GB 08205558 A GB08205558 A GB 08205558A GB 8205558 A GB8205558 A GB 8205558A GB 2116313 B GB2116313 B GB 2116313B
Authority
GB
United Kingdom
Prior art keywords
sine wave
wave generator
position encoder
encoder
generator
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
Application number
GB08205558A
Other versions
GB2116313A (en
Inventor
Douglas James Rogers
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08205558A priority Critical patent/GB2116313B/en
Priority to DE19833305921 priority patent/DE3305921A1/en
Priority to FR8302903A priority patent/FR2522164A1/en
Priority to JP2863783A priority patent/JPS58157203A/en
Publication of GB2116313A publication Critical patent/GB2116313A/en
Application granted granted Critical
Publication of GB2116313B publication Critical patent/GB2116313B/en
Expired 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
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB08205558A 1982-02-25 1982-02-25 Sine wave generator for position encoder Expired GB2116313B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08205558A GB2116313B (en) 1982-02-25 1982-02-25 Sine wave generator for position encoder
DE19833305921 DE3305921A1 (en) 1982-02-25 1983-02-21 OPTICAL DEVICE FOR GENERATING A SINUS-SHAPED WAVE SHAPE WITH A LOW PART OF HARMONIOUS
FR8302903A FR2522164A1 (en) 1982-02-25 1983-02-23 OPTICAL MEANS FOR FORMING A LOW HARMONIC SINUSOIDAL SIGNAL, APPARATUS AND POSITION ENCODER THEREFOR
JP2863783A JPS58157203A (en) 1982-02-25 1983-02-24 Optical device for generating sinusoidal wave of low harmonic wave content

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08205558A GB2116313B (en) 1982-02-25 1982-02-25 Sine wave generator for position encoder

Publications (2)

Publication Number Publication Date
GB2116313A GB2116313A (en) 1983-09-21
GB2116313B true GB2116313B (en) 1985-09-04

Family

ID=10528603

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08205558A Expired GB2116313B (en) 1982-02-25 1982-02-25 Sine wave generator for position encoder

Country Status (4)

Country Link
JP (1) JPS58157203A (en)
DE (1) DE3305921A1 (en)
FR (1) FR2522164A1 (en)
GB (1) GB2116313B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9354089B2 (en) 2011-04-14 2016-05-31 Canon Kabushiki Kaisha Encoder

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2549280B2 (en) * 1986-04-15 1996-10-30 ファナック 株式会社 Rotary Encoder
JPH01196515A (en) * 1988-02-01 1989-08-08 Fuji Electric Co Ltd Photoelectric conversion type rotary position detector
EP0541827B1 (en) * 1991-11-04 1995-04-12 Dr. Johannes Heidenhain GmbH Apparatus for producing upper-harmonic free periodic signals
EP0541829B1 (en) * 1991-11-04 1995-01-11 Dr. Johannes Heidenhain GmbH Device to create periodic signals without harmonics
DE59105538D1 (en) * 1991-12-20 1995-06-22 Heidenhain Gmbh Dr Johannes Photoelectric device for generating harmonic-free periodic signals.
CH690971A5 (en) * 1994-02-25 2001-03-15 Hera Rotterdam Bv Methods for measuring and exploitation of a shift of a scanning head with respect to a measuring scale and optical encoders for performing this method.
EP0750179B1 (en) 1995-06-22 2000-04-26 Dr. Johannes Heidenhain GmbH Position measuring device
DE19830294C2 (en) * 1998-07-07 2000-12-07 Fraba Ag Measuring device
DE19962525B4 (en) * 1999-12-23 2013-11-21 Continental Automotive Gmbh Optical torque sensor
DE19962278A1 (en) * 1999-12-23 2001-08-02 Heidenhain Gmbh Dr Johannes Position measuring device
DE10130938A1 (en) 2001-06-27 2003-01-23 Heidenhain Gmbh Dr Johannes Position measuring device and method for operating a position measuring device
DE102004041950A1 (en) 2004-08-31 2006-03-02 Dr. Johannes Heidenhain Gmbh Optical position measuring device
JP2008241243A (en) * 2005-06-30 2008-10-09 Mitsubishi Electric Corp Optical encoder
US7399956B2 (en) 2005-11-28 2008-07-15 Avago Technologies Ecbuip Pte Ltd Optical encoder with sinusoidal photodetector output signal
JP6032924B2 (en) * 2011-04-13 2016-11-30 キヤノン株式会社 Encoder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814934A (en) * 1972-11-10 1974-06-04 Gilbert & Barker Mfg Co Pulse generating apparatus responsive to shaft rotation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9354089B2 (en) 2011-04-14 2016-05-31 Canon Kabushiki Kaisha Encoder

Also Published As

Publication number Publication date
DE3305921A1 (en) 1983-09-01
FR2522164A1 (en) 1983-08-26
JPS58157203A (en) 1983-09-19
GB2116313A (en) 1983-09-21

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940225