GB8422016D0 - Photoelectric scanning - Google Patents

Photoelectric scanning

Info

Publication number
GB8422016D0
GB8422016D0 GB848422016A GB8422016A GB8422016D0 GB 8422016 D0 GB8422016 D0 GB 8422016D0 GB 848422016 A GB848422016 A GB 848422016A GB 8422016 A GB8422016 A GB 8422016A GB 8422016 D0 GB8422016 D0 GB 8422016D0
Authority
GB
United Kingdom
Prior art keywords
photoelectric scanning
photoelectric
scanning
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.)
Withdrawn
Application number
GB848422016A
Other versions
GB2146765A (en
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.)
Jenoptik AG
Original Assignee
Carl Zeiss Jena GmbH
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 Carl Zeiss Jena GmbH filed Critical Carl Zeiss Jena GmbH
Publication of GB8422016D0 publication Critical patent/GB8422016D0/en
Publication of GB2146765A publication Critical patent/GB2146765A/en
Withdrawn legal-status Critical Current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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
GB08422016A 1983-09-01 1984-08-31 Arrangement for photoelectric scanning of graduations in reflected light Withdrawn GB2146765A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD25442183A DD221828A1 (en) 1983-09-01 1983-09-01 DEVICE FOR THE PHOTOELECTRIC TESTING OF DIVISIONS

Publications (2)

Publication Number Publication Date
GB8422016D0 true GB8422016D0 (en) 1984-10-03
GB2146765A GB2146765A (en) 1985-04-24

Family

ID=5550124

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08422016A Withdrawn GB2146765A (en) 1983-09-01 1984-08-31 Arrangement for photoelectric scanning of graduations in reflected light

Country Status (4)

Country Link
DD (1) DD221828A1 (en)
DE (1) DE3427047A1 (en)
GB (1) GB2146765A (en)
NL (1) NL8402650A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3625327C1 (en) * 1986-07-26 1988-02-18 Heidenhain Gmbh Dr Johannes Photoelectric position measuring device
DE3702314C1 (en) * 1987-01-27 1988-01-14 Heidenhain Gmbh Dr Johannes Photoelectric measuring device
DE8717558U1 (en) * 1987-02-21 1989-02-23 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De
DE3918726C1 (en) * 1989-06-08 1991-01-10 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De
GB9109501D0 (en) * 1991-05-02 1991-06-26 Orton Paul A Shaft displacement measuring system
FR2686689B1 (en) * 1992-01-24 1997-01-03 Paris Sud Universite POSITION SENSOR AND GAUGE FOR INDICATING THE LEVEL OF A LIQUID IN A TANK COMPRISING SUCH A SENSOR.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB822543A (en) * 1955-02-14 1959-10-28 Nat Res Dev Improvements in or relating to optical measuring systems
GB1380045A (en) * 1970-12-21 1975-01-08 Secretary Trade Ind Brit Position detection and control devices
GB1456366A (en) * 1972-12-14 1976-11-24 Hawker Siddeley Dynamics Ltd Linear displacement devices
DD143953B1 (en) * 1979-07-31 1981-07-29 Der Goenne Rainer Von Optical-electronic measuring device for incremental angle measurement
DE2952106C2 (en) * 1979-12-22 1982-11-04 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Photoelectric incremental length or angle measuring device
US4427883A (en) * 1981-05-27 1984-01-24 The Stanley Works Optical sensing system for extensible tape rules
DE3278050D1 (en) * 1981-09-07 1988-03-03 Kelly H P G Improvements in or relating to linear motor and control circuitry therefor
US4475034A (en) * 1982-06-24 1984-10-02 International Business Machines Corporation Modular shaft encoder

Also Published As

Publication number Publication date
DE3427047A1 (en) 1985-03-21
NL8402650A (en) 1985-04-01
DD221828A1 (en) 1985-05-02
GB2146765A (en) 1985-04-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)