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AU548196B2 - Optical transducer - Google Patents
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AU548196B2 - Optical transducer - Google Patents

Optical transducer

Info

Publication number
AU548196B2
AU548196B2 AU68715/81A AU6871581A AU548196B2 AU 548196 B2 AU548196 B2 AU 548196B2 AU 68715/81 A AU68715/81 A AU 68715/81A AU 6871581 A AU6871581 A AU 6871581A AU 548196 B2 AU548196 B2 AU 548196B2
Authority
AU
Australia
Prior art keywords
optical transducer
transducer
optical
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.)
Ceased
Application number
AU68715/81A
Other versions
AU6871581A (en
Inventor
Andrea Accattino
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.)
TIM SpA
Original Assignee
Olivetti SpA
Ing C Olivetti and C SpA
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 Olivetti SpA, Ing C Olivetti and C SpA filed Critical Olivetti SpA
Priority to AU68715/81A priority Critical patent/AU548196B2/en
Publication of AU6871581A publication Critical patent/AU6871581A/en
Application granted granted Critical
Publication of AU548196B2 publication Critical patent/AU548196B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G01D5/3473—Circular or rotary encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
AU68715/81A 1981-03-25 1981-03-25 Optical transducer Ceased AU548196B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU68715/81A AU548196B2 (en) 1981-03-25 1981-03-25 Optical transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU68715/81A AU548196B2 (en) 1981-03-25 1981-03-25 Optical transducer

Publications (2)

Publication Number Publication Date
AU6871581A AU6871581A (en) 1982-09-30
AU548196B2 true AU548196B2 (en) 1985-11-28

Family

ID=3752582

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68715/81A Ceased AU548196B2 (en) 1981-03-25 1981-03-25 Optical transducer

Country Status (1)

Country Link
AU (1) AU548196B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU586900B2 (en) * 1985-11-15 1989-07-27 E.I. Du Pont De Nemours And Company Laser scanning apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU586900B2 (en) * 1985-11-15 1989-07-27 E.I. Du Pont De Nemours And Company Laser scanning apparatus

Also Published As

Publication number Publication date
AU6871581A (en) 1982-09-30

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