FR1272772A - Improvements made to the reading accuracy of graduated rulers - Google Patents

Improvements made to the reading accuracy of graduated rulers

Info

Publication number
FR1272772A
FR1272772A FR44001892A FR44001892A FR1272772A FR 1272772 A FR1272772 A FR 1272772A FR 44001892 A FR44001892 A FR 44001892A FR 44001892 A FR44001892 A FR 44001892A FR 1272772 A FR1272772 A FR 1272772A
Authority
FR
France
Prior art keywords
improvements made
reading accuracy
graduated rulers
rulers
graduated
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.)
Expired
Application number
FR44001892A
Other languages
French (fr)
Inventor
Jean-Louis Viellard
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 filed Critical
Priority to FR44001892A priority Critical patent/FR1272772A/en
Application granted granted Critical
Publication of FR1272772A publication Critical patent/FR1272772A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR44001892A 1960-11-02 1960-11-02 Improvements made to the reading accuracy of graduated rulers Expired FR1272772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR44001892A FR1272772A (en) 1960-11-02 1960-11-02 Improvements made to the reading accuracy of graduated rulers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR44001892A FR1272772A (en) 1960-11-02 1960-11-02 Improvements made to the reading accuracy of graduated rulers

Publications (1)

Publication Number Publication Date
FR1272772A true FR1272772A (en) 1961-09-29

Family

ID=1570512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44001892A Expired FR1272772A (en) 1960-11-02 1960-11-02 Improvements made to the reading accuracy of graduated rulers

Country Status (1)

Country Link
FR (1) FR1272772A (en)

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