FR876873A - Improvements to pocket calculators - Google Patents

Improvements to pocket calculators

Info

Publication number
FR876873A
FR876873A FR876873DA FR876873A FR 876873 A FR876873 A FR 876873A FR 876873D A FR876873D A FR 876873DA FR 876873 A FR876873 A FR 876873A
Authority
FR
France
Prior art keywords
pocket calculators
calculators
pocket
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
Other languages
French (fr)
Inventor
Andre-Francois-Alpho Genot
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
Application granted granted Critical
Publication of FR876873A publication Critical patent/FR876873A/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)
FR876873D 1941-11-14 1941-11-14 Improvements to pocket calculators Expired FR876873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR876873T 1941-11-14

Publications (1)

Publication Number Publication Date
FR876873A true FR876873A (en) 1942-11-19

Family

ID=9360765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876873D Expired FR876873A (en) 1941-11-14 1941-11-14 Improvements to pocket calculators

Country Status (1)

Country Link
FR (1) FR876873A (en)

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