CH365231A - Convertisseur analogique numérique - Google Patents

Convertisseur analogique numérique

Info

Publication number
CH365231A
CH365231A CH7053459A CH7053459A CH365231A CH 365231 A CH365231 A CH 365231A CH 7053459 A CH7053459 A CH 7053459A CH 7053459 A CH7053459 A CH 7053459A CH 365231 A CH365231 A CH 365231A
Authority
CH
Switzerland
Prior art keywords
tracks
group
scale
electric
scanned
Prior art date
Application number
CH7053459A
Other languages
English (en)
Inventor
Koulicovitch Maurice
Original Assignee
Genevoise Instr Physique
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 Genevoise Instr Physique filed Critical Genevoise Instr Physique
Priority to CH7053459A priority Critical patent/CH365231A/fr
Priority to GB6449/60A priority patent/GB933013A/en
Priority to US12178A priority patent/US3089133A/en
Publication of CH365231A publication Critical patent/CH365231A/fr

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
    • G01D5/3473—Circular or rotary encoders
    • 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
    • H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
CH7053459A 1959-03-06 1959-03-06 Convertisseur analogique numérique CH365231A (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH7053459A CH365231A (fr) 1959-03-06 1959-03-06 Convertisseur analogique numérique
GB6449/60A GB933013A (en) 1959-03-06 1960-02-24 Improvements in and relating to dynamic coders
US12178A US3089133A (en) 1959-03-06 1960-03-01 Dynamic coders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH7053459A CH365231A (fr) 1959-03-06 1959-03-06 Convertisseur analogique numérique

Publications (1)

Publication Number Publication Date
CH365231A true CH365231A (fr) 1962-10-31

Family

ID=4530340

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7053459A CH365231A (fr) 1959-03-06 1959-03-06 Convertisseur analogique numérique

Country Status (3)

Country Link
US (1) US3089133A (fr)
CH (1) CH365231A (fr)
GB (1) GB933013A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540040A (en) * 1966-12-29 1970-11-10 Electro Dynamics & Telecom Ltd Digital telemetry transducers
DE3412063A1 (de) * 1984-03-31 1985-11-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmesseinrichtung
GB2228842B (en) * 1989-01-09 1993-01-06 Schlumberger Ind Ltd Relative position transducer
DD297701B5 (de) * 1990-09-07 1993-09-23 Carl Zeiss Jena Gmbh Zentralbe Verfahren zum messen von laengen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734188A (en) * 1956-02-07 jacobs
US2707212A (en) * 1950-05-25 1955-04-26 John H Hickey Means for automatically coding and decoding a magnetic tape
US2679644A (en) * 1951-04-03 1954-05-25 Us Army Data encoder system
US2779539A (en) * 1954-04-19 1957-01-29 Bell Telephone Labor Inc Multiple code wheel analogue-digital translator
US2900629A (en) * 1955-03-23 1959-08-18 Sperry Rand Corp Indexing apparatus

Also Published As

Publication number Publication date
GB933013A (en) 1963-07-31
US3089133A (en) 1963-05-07

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