JPS52122137A - Shaft encoder - Google Patents

Shaft encoder

Info

Publication number
JPS52122137A
JPS52122137A JP2079977A JP2079977A JPS52122137A JP S52122137 A JPS52122137 A JP S52122137A JP 2079977 A JP2079977 A JP 2079977A JP 2079977 A JP2079977 A JP 2079977A JP S52122137 A JPS52122137 A JP S52122137A
Authority
JP
Japan
Prior art keywords
shaft encoder
encoder
shaft
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.)
Pending
Application number
JP2079977A
Other languages
Japanese (ja)
Inventor
Kuronmeiyaa Haan
Ragunaa Furanku
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.)
Varian Techtron Pty Ltd
Original Assignee
Varian Techtron Pty Ltd
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 Varian Techtron Pty Ltd filed Critical Varian Techtron Pty Ltd
Publication of JPS52122137A publication Critical patent/JPS52122137A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/06—Scanning arrangements arrangements for order-selection
    • 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
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/161—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps in pattern-reading type converters, e.g. with gearings
    • 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
    • H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Spectrometry And Color Measurement (AREA)
JP2079977A 1976-02-27 1977-02-26 Shaft encoder Pending JPS52122137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU502276 1976-02-27

Publications (1)

Publication Number Publication Date
JPS52122137A true JPS52122137A (en) 1977-10-14

Family

ID=3695474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2079977A Pending JPS52122137A (en) 1976-02-27 1977-02-26 Shaft encoder

Country Status (3)

Country Link
JP (1) JPS52122137A (en)
AU (1) AU497186B2 (en)
DE (1) DE2708289A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020117237A1 (en) * 2018-12-06 2020-06-11 Harmonic Drive Systems Inc. Dual absolute encoder

Also Published As

Publication number Publication date
DE2708289A1 (en) 1977-09-01
AU497186B2 (en) 1978-12-07
AU2240677A (en) 1978-08-24

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