CH476987A - Skala mit in ungleichen Abständen aufeinanderfolgenden Teilungsmarkierungen - Google Patents

Skala mit in ungleichen Abständen aufeinanderfolgenden Teilungsmarkierungen

Info

Publication number
CH476987A
CH476987A CH1212267A CH1212267A CH476987A CH 476987 A CH476987 A CH 476987A CH 1212267 A CH1212267 A CH 1212267A CH 1212267 A CH1212267 A CH 1212267A CH 476987 A CH476987 A CH 476987A
Authority
CH
Switzerland
Prior art keywords
scale
another
unequal intervals
graduation marks
marks following
Prior art date
Application number
CH1212267A
Other languages
English (en)
Inventor
Seewald Gerhard
Original Assignee
Wenczler & Heidenhain
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 Wenczler & Heidenhain filed Critical Wenczler & Heidenhain
Publication of CH476987A publication Critical patent/CH476987A/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Medicinal Preparation (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
CH1212267A 1966-09-01 1967-08-29 Skala mit in ungleichen Abständen aufeinanderfolgenden Teilungsmarkierungen CH476987A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0042317 1966-09-01

Publications (1)

Publication Number Publication Date
CH476987A true CH476987A (de) 1969-08-15

Family

ID=7603182

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1212267A CH476987A (de) 1966-09-01 1967-08-29 Skala mit in ungleichen Abständen aufeinanderfolgenden Teilungsmarkierungen

Country Status (4)

Country Link
CH (1) CH476987A (de)
DE (1) DE1548869B2 (de)
FR (1) FR1548418A (de)
GB (1) GB1203787A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4451731A (en) * 1981-08-10 1984-05-29 Hewlett-Packard Company Apparatus and method for modulating light to generate an index pulse
US4602155A (en) * 1983-07-25 1986-07-22 Bei Electronics, Inc. Zero reference generating method and apparatus for optical encoders
US4678908A (en) * 1983-07-25 1987-07-07 Bei Electronics, Inc. Zero reference generating method and apparatus for optical encoders

Also Published As

Publication number Publication date
DE1548869B2 (de) 1972-02-17
DE1548869A1 (de) 1971-05-13
GB1203787A (en) 1970-09-03
FR1548418A (de) 1968-12-06

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Legal Events

Date Code Title Description
NE Patent not ceased