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FR2344002A1 - Reading device for linear or angular scales - has division marks omitted and figures are presented in window of twice size of figures - Google Patents

Reading device for linear or angular scales - has division marks omitted and figures are presented in window of twice size of figures

Info

Publication number
FR2344002A1
FR2344002A1 FR7705084A FR7705084A FR2344002A1 FR 2344002 A1 FR2344002 A1 FR 2344002A1 FR 7705084 A FR7705084 A FR 7705084A FR 7705084 A FR7705084 A FR 7705084A FR 2344002 A1 FR2344002 A1 FR 2344002A1
Authority
FR
France
Prior art keywords
figures
window
linear
reading device
presented
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Withdrawn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
FR7705084A
Other languages
French (fr)
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.)
Leica Geosystems AG
Original Assignee
Wild Heerbrugg AG
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
Priority claimed from CH297276A external-priority patent/CH591741A5/xx
Application filed by Wild Heerbrugg AG filed Critical Wild Heerbrugg AG
Publication of FR2344002A1 publication Critical patent/FR2344002A1/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Withdrawn legal-status Critical Current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
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02—Scales; Dials
    • G01D13/04—Construction
    • G01D13/10—Construction with adjustable scales; with auxiliary scales, e.g. vernier
    • 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
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/02—Scales; Dials
    • G01D13/12—Graduation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

An optical reading device is for linear or angular scales in which the result is displayed in figures in a window without the use of scale division markings. The positioning of the figures on the scale and their size in relation to the window opening present the result in unambiguous form without the need for division marks. Reading is simplified, and also the production of the scales, which need have only the printed figures. To permit extrapolation between two values, the window opening (3, 4) may be twice as high as the figure size, with a central reading frame of the same size as the figures.
FR7705084A 1976-03-10 1977-02-22 Reading device for linear or angular scales - has division marks omitted and figures are presented in window of twice size of figures Withdrawn FR2344002A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH297276A CH591741A5 (en) 1975-03-27 1976-03-10

Publications (1)

Publication Number Publication Date
FR2344002A1 true FR2344002A1 (en) 1977-10-07

Family

ID=4245767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7705084A Withdrawn FR2344002A1 (en) 1976-03-10 1977-02-22 Reading device for linear or angular scales - has division marks omitted and figures are presented in window of twice size of figures

Country Status (3)

Country Link
DE (1) DE2705113B2 (en)
FR (1) FR2344002A1 (en)
IT (1) IT1076975B (en)

Also Published As

Publication number Publication date
IT1076975B (en) 1985-04-27
DE2705113B2 (en) 1980-02-14
DE2705113A1 (en) 1977-10-13

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Legal Events

Date Code Title Description
ST Notification of lapse